Hardi ZENIT 400 User manual

ZENIT
Original
Instruction book
67025002-200 - Version 2.00
GB - 09.2015
www.hardi.es
www.hardi-international.com

The original instruction book is approved and published in English. All other languages are trans-
lations of the original. In the event of any conflicts, inaccuracies or deviations between the English
original and other languages the English version shall prevail.
Since it is ILEMO-HARDI S.A.U. policy to continually improve our products, we reserve the right to
make changes in the design, accessories, specifications and maintenance instructions at any time
and without notice.
ILEMO-HARDI S.A.U. is exenpt from any obligation regarding instruments purchased before or af-
ter such changes. ILEMO-HARDI S.A.U. cannot undertake any responsibility for possible omissions
or inaccuracies in this publication, although it has done everything in its power to make this infor-
mation as complete and correct as possible.
As this instruction book covers models, specifications or equipment that are only available in cer-
tain countries, please pay particular attention to the paragraphs dealing with your specific model.
Published and printed by ILEMO-HARDI S.A.U.
Congratulations for choosing a HARDI crop protection product. The reliability and efficiency
of this machine depends entirely on the care it receives. The first step is to carefully read and
pay attention to this instruction book. It contains essential information on correctly using and
ensuring a long useful life of this quality product.
As this instruction book includes all versions of the equipment, including all the different hy-
draulic boom and operating unit versions, please pay particular attention to the paragraphs
dealing with your specific model.
This book should be read in conjunction with the ‘Spraying Techniques’ booklet

1
Table of Contents
1 - EC Declaration
EC Declaration of Conformity.............................................................................................................. 5
2 - Safety
Operator safety ................................................................................................................................... 7
Symbols.................................................................................................................................................................................................................................................................7
Precautions..........................................................................................................................................................................................................................................................7
3 - Description
General information............................................................................................................................ 9
Overview ..............................................................................................................................................................................................................................................................9
Use of the mistblower............................................................................................................................................................................................................................... 10
Roadworthiness ............................................................................................................................................................................................................................................ 10
Use of the mist blower..............................................................................................................................................................................................................................11
Roadworthiness ............................................................................................................................................................................................................................................ 11
Identification plate ......................................................................................................................................................................................................................................11
Chassis.................................................................................................................................................................................................................................................................11
Tank.......................................................................................................................................................................................................................................................................12
Liquid system .................................................................................................................................... 13
General information ...................................................................................................................................................................................................................................13
The liquid circuit ...........................................................................................................................................................................................................................................13
Diaphragm pump........................................................................................................................................................................................................................................13
Valves ...................................................................................................................................................................................................................................................................13
Valves and symbols..................................................................................................................................................................................................................................... 13
Manifold system............................................................................................................................................................................................................................................14
Safety valves ....................................................................................................................................................................................................................................................14
Blue valve – Blue disc = Return valve ..............................................................................................................................................................................................14
Pressure pulsation damper.....................................................................................................................................................................................................................14
Circuit Diagram.............................................................................................................................................................................................................................................. 15
Suction filter ....................................................................................................................................................................................................................................................15
Safety valve.......................................................................................................................................................................................................................................................16
Pressure manifold.........................................................................................................................................................................................................................................16
Suction and pressure pulsation dampers.....................................................................................................................................................................................16
Agitator...............................................................................................................................................................................................................................................................16
Operating unit................................................................................................................................................................................................................................................17
MC/2 operating unit................................................................................................................................................................................................................................... 17
SV operating unit..........................................................................................................................................................................................................................................17
CB operating unit.........................................................................................................................................................................................................................................17
Filters .................................................................................................................................................................................................................................................................... 17
Powder mixer..................................................................................................................................................................................................................................................17
TurboFiller ........................................................................................................................................................................................................................................................18
Axial blower units ............................................................................................................................. 19
Technical information................................................................................................................................................................................................................................19
EF820, EF920, AB750, AB820, AB920, AG820 and AG920.....................................................................................................................................................19
Aif flow for axial air kits..............................................................................................................................................................................................................................21
Deflectors..........................................................................................................................................................................................................................................................22
Gearbox..............................................................................................................................................................................................................................................................22
Fan .........................................................................................................................................................................................................................................................................22
Adjusting the fan..........................................................................................................................................................................................................................................23
Centrifugal Blower Units................................................................................................................... 24
General information ...................................................................................................................................................................................................................................24
HF540 (TS3 P540 / TS6 P540 Single)...............................................................................................................................................................................................24
HF540D (TD3-P540 Double) ............................................................................................................................................................................................................... 24
HF640D (TD3-P640 Double) ..............................................................................................................................................................................................................24
Protective grid................................................................................................................................................................................................................................................ 25
Gearbox..............................................................................................................................................................................................................................................................26
HF540, HF540D and HF 640D Turbine............................................................................................................................................................................................. 26
Clutch (All blower types) .........................................................................................................................................................................................................................26
Light kit............................................................................................................................................................................................................................................................... 27
Booms..................................................................................................................................................................................................................................................................27
The LINER boom .........................................................................................................................................................................................................................................27
The ATLAS boom..........................................................................................................................................................................................................................................28
The BOXER boom.........................................................................................................................................................................................................................................29

2
Table of Contents
The CRONOS boom....................................................................................................................................................................................................................................30
Variant boom ..................................................................................................................................................................................................................................................31
Break away clutch ........................................................................................................................................................................................................................................32
Particulairly for CRONOS boom...........................................................................................................................................................................................................32
Pneumatic spray system ..........................................................................................................................................................................................................................33
Hydropneumatic spray system............................................................................................................................................................................................................33
IRIS system, continuation of Hydro pneumatic system ......................................................................................................................................................34
4 - Starting up
General information.......................................................................................................................... 35
Unloading the mistblower from the truck ...................................................................................................................................................................................35
Before starting up for the first time................................................................................................................................................................................................... 35
Counterweights ............................................................................................................................................................................................................................................35
Coupling the driveshaft............................................................................................................................................................................................................................36
Hooking up the mistblower ..................................................................................................................................................................................................................37
Hydraulic connections....................................................................................................................... 38
General information ...................................................................................................................................................................................................................................38
Tractor requirements..................................................................................................................................................................................................................................38
Electrical connections ....................................................................................................................... 39
General information ...................................................................................................................................................................................................................................39
Electrical operating units.........................................................................................................................................................................................................................39
Rate controller................................................................................................................................... 40
Rate controller DB 3610............................................................................................................................................................................................................................40
Rate controller DB 3620............................................................................................................................................................................................................................41
Fluid circuit ....................................................................................................................................... 42
Suction filter ....................................................................................................................................................................................................................................................42
Pressure damper...........................................................................................................................................................................................................................................42
Diaphragm pump........................................................................................................................................................................................................................................42
Deflectors..........................................................................................................................................................................................................................................................43
Booms ............................................................................................................................................... 45
General information ...................................................................................................................................................................................................................................45
FIX ..........................................................................................................................................................................................................................................................................45
START ...................................................................................................................................................................................................................................................................45
ATLAS START....................................................................................................................................................................................................................................................46
ATLAS AGILE.....................................................................................................................................................................................................................................................46
ATLAS SOLID FIX and ATLAS SOLID FIX GV..................................................................................................................................................................................46
ATLAS SOLID CONVERT and ATLAS SOLID GV CONVERT.....................................................................................................................................................46
BOXER START...................................................................................................................................................................................................................................................47
BOXER SOLID VERTICAL FIX or CONVERT .....................................................................................................................................................................................47
BOXER SOLID HORIZONTAL ...................................................................................................................................................................................................................47
Adjustment of BOXER boom.................................................................................................................................................................................................................48
CRONOS BOOM.............................................................................................................................................................................................................................................48
SOLID ...................................................................................................................................................................................................................................................................48
RIDER.................................................................................................................................................................................................................................................................... 49
VARIA.................................................................................................................................................................................................................................................................... 49
CRONOS GV .................................................................................................................................................................................................................................................... 49
General for all boom models ................................................................................................................................................................................................................ 50
Break away clutch .......................................................................................................................................................................................................................................50
Adjustment of hydraulic fold ................................................................................................................................................................................................................50
Transport bracket ........................................................................................................................................................................................................................................51
Adjustment of upright .............................................................................................................................................................................................................................51
Adjustment of out spray device..........................................................................................................................................................................................................51
The hydraulic version.................................................................................................................................................................................................................................52
Adjustment of inner 4 spray device..................................................................................................................................................................................................52
Hydraulic adjustment of the Convert brackets ........................................................................................................................................................................53
IRIS system setup..........................................................................................................................................................................................................................................53
Cannons.............................................................................................................................................................................................................................................................54
Calibration.........................................................................................................................................................................................................................................................54
5 - Operation
Blower unit ........................................................................................................................................ 55
Safety information .......................................................................................................................................................................................................................................55
Selecting the gear........................................................................................................................................................................................................................................55

3
Table of Contents
While moving the Sprayer......................................................................................................................................................................................................................56
Adjusting the fan AB820..........................................................................................................................................................................................................................57
Single side blinds (Optional) .................................................................................................................................................................................................................57
Liquid and air circuits........................................................................................................................ 58
Filling/washing location requirements........................................................................................................................................................................................... 58
Suction Filter....................................................................................................................................................................................................................................................58
Filling/washing location requirements........................................................................................................................................................................................... 59
Filling with water ..........................................................................................................................................................................................................................................59
Draining the main tank.............................................................................................................................................................................................................................59
Pressure filters.................................................................................................................................................................................................................................................60
Agitation ............................................................................................................................................................................................................................................................60
Clean water tank...........................................................................................................................................................................................................................................60
Powder mixer..................................................................................................................................................................................................................................................60
Filling through tank lid..............................................................................................................................................................................................................................61
Filling the rinsing tank...............................................................................................................................................................................................................................61
Rinsing nozzle.................................................................................................................................................................................................................................................62
Unexpected interruptions ......................................................................................................................................................................................................................62
Filling the clean water tank....................................................................................................................................................................................................................62
Drain valve........................................................................................................................................................................................................................................................62
Manifold system............................................................................................................................................................................................................................................63
Filling liquid chemicals by HARDI TurboFiller (optional)......................................................................................................................................................63
TurboFiller rinsing.........................................................................................................................................................................................................................................64
Power supply...................................................................................................................................................................................................................................................65
Installation of control unit brackets..................................................................................................................................................................................................65
SB 3002 or SB 3004......................................................................................................................................................................................................................................66
SV operating unit..........................................................................................................................................................................................................................................66
SB 3012 or SB 3014 etc..............................................................................................................................................................................................................................66
CA operating unit.........................................................................................................................................................................................................................................67
SB 3012 or SB 3014 etc..............................................................................................................................................................................................................................67
FB 3610 ...............................................................................................................................................................................................................................................................67
CB operating unit.........................................................................................................................................................................................................................................68
CB operating unit with by pass valve ..............................................................................................................................................................................................68
Hydraulic control boxes ..........................................................................................................................................................................................................................68
HB 3610 ..............................................................................................................................................................................................................................................................69
The Joystick S selector .............................................................................................................................................................................................................................69
Cannon L-M-T .................................................................................................................................................................................................................................................69
Hydraulic control of the CANNON ...................................................................................................................................................................................................70
The spout can be rotated180º by another double acting outlet. This allows treatment to either side independet of driving
direction.............................................................................................................................................................................................................................................................70
The hydraulic adjustment ......................................................................................................................................................................................................................70
HC 3100 control box .................................................................................................................................................................................................................................71
Vegetation sensor is optionally equipped....................................................................................................................................................................................71
Rate controller DB3610 and DB3620 ...........................................................................................................................................................................................72
Adjusting the BK/2 Operating Unit...................................................................................................................................................................................................74
MC/2 operating unit................................................................................................................................................................................................................................... 74
Cleaning ............................................................................................................................................ 75
General information ...................................................................................................................................................................................................................................75
Cleaning and maintaining the filters ...............................................................................................................................................................................................75
Filling/washing location requirements........................................................................................................................................................................................... 76
Suction Filter....................................................................................................................................................................................................................................................76
Nozzles................................................................................................................................................................................................................................................................77
Cleaning the tank and liquid system ...............................................................................................................................................................................................77
Use of rinsing tank and rinsing nozzles (optional)...................................................................................................................................................................78
6 - Maintenance
Lubrication........................................................................................................................................ 80
General information ...................................................................................................................................................................................................................................80
Recommended lubricants......................................................................................................................................................................................................................80
Lubricating and greasing the mistblower ....................................................................................................................................................................................80
Variant boom ..................................................................................................................................................................................................................................................82
Transmission shaft .......................................................................................................................................................................................................................................83
Mechanical clutch........................................................................................................................................................................................................................................ 83
Diaphragm pump........................................................................................................................................................................................................................................83

4
Table of Contents
Filters and fittings.........................................................................................................................................................................................................................................84
Winter storage................................................................................................................................................................................................................................................ 84
Preparing the equipment for use after storage.........................................................................................................................................................................84
Service and maintenance intervals ................................................................................................... 85
General information ...................................................................................................................................................................................................................................85
Every 10 working hours – Spray circuit ..........................................................................................................................................................................................85
Every 50 working hours – Transmission shaft, chassis, air pressure and diaphragm pump .........................................................................85
Every 100 working hours – Drawbar................................................................................................................................................................................................85
Every 250 working hours – Wheels, brakes, hoses and gearbox....................................................................................................................................85
Every 1000 working hours – Full service........................................................................................................................................................................................85
Regular maintenance ........................................................................................................................ 86
Every 10 working hours – Suction filter .........................................................................................................................................................................................86
Every 10 hours of operation – Pressure filters ............................................................................................................................................................................86
Every 10 working hours – Nozzles.....................................................................................................................................................................................................87
Every 1000 working hours - Gearbox oil change.....................................................................................................................................................................87
Every 1000 working hours - Fan clutch inspection.................................................................................................................................................................88
Every 1000 working hours - Fan transmission shaft inspection......................................................................................................................................88
Occasional maintenance ................................................................................................................... 89
Replacing the 321 valves and diaphragms..................................................................................................................................................................................89
SV operating unit..........................................................................................................................................................................................................................................89
CB Section valve............................................................................................................................................................................................................................................90
Cleaning the air kit .....................................................................................................................................................................................................................................92
Tank level indicator adjustment.......................................................................................................................................................................................................... 93
Replacing the valves and 363 and 463 diaphragms ..............................................................................................................................................................93
Lubrication........................................................................................................................................ 94
General information ...................................................................................................................................................................................................................................94
Grease Gun Calibration.............................................................................................................................................................................................................................95
Greasing the Pump .....................................................................................................................................................................................................................................95
Service and Maintenance Intervals ................................................................................................... 96
50 Hours Service - Greasing the Pump...........................................................................................................................................................................................96
Occasional Maintenance ................................................................................................................... 97
Lifting and Removing the Pump........................................................................................................................................................................................................97
Pump Valves and Diaphragms Renewal ........................................................................................................................................................................................97
Adjusting the 3-way valve ......................................................................................................................................................................................................................99
Replacing the driveshaft protector guard ....................................................................................................................................................................................99
Replacing the driveshaft crossheads ...............................................................................................................................................................................................99
Replacing the seal on the drain valve...........................................................................................................................................................................................100
Storing the mistblower at the end of the season................................................................................................................................................................. 100
Preparing the machine for use after storage........................................................................................................................................................................... 101
7 - Troubleshooting
Operational problems..................................................................................................................... 102
General information ................................................................................................................................................................................................................................ 102
Fluid circuit.................................................................................................................................................................................................................................................... 103
Blower unit .................................................................................................................................................................................................................................................... 104
Electrical problems ......................................................................................................................... 105
Emergency function – Fluid circuit................................................................................................................................................................................................ 105
8 - Technical specifications
Dimensions ..................................................................................................................................... 106
Zenit Axial ...................................................................................................................................................................................................................................................... 106
Zenit Liner...................................................................................................................................................................................................................................................... 106
Conversion factors (SI to Imperial).................................................................................................................................................................................................. 107
Pump model 363/7.................................................................................................................................................................................................................................. 107
Pump model 321/10............................................................................................................................................................................................................................... 107
Specifications .................................................................................................................................. 108
321/7 and 321/10 Diaphragm........................................................................................................................................................................................................... 108
363/7 Diaphragm...................................................................................................................................................................................................................................... 109
Filters and nozzles..................................................................................................................................................................................................................................... 109
Temperature and pressure range.................................................................................................................................................................................................... 109
Materials and recycling ................................................................................................................... 110
Disposing of the mistblower.............................................................................................................................................................................................................. 110
Index

5
1 - EC Declaration
EC Declaration of Conformity
Manufacturer:
ILEMO HARDI S.A.U.
Poligono El Segre, 712, 713
25080 Lleida
SPAIN
Declares the following product(s):
NEPTUN
ZATURN
JUPITER
- hare manufactured in conformity with the applicable provisions of the Directive 2006/42/EC on machinery, and
- all the applicable provisions of the Council Directive 2004/108/EC (EMC)
Lleida, March 2015
Josep Maria Godia
Technical Director
ILEMO HARDI S.A.U.

6

7
Operator safety
Symbols
These symbols are used in the book and require special attention. The meaning of the four symbols is:
This symbol means DANGER. Be alert as your safety is involved!
This symbol means WARNING. Be alert as your safety may be involved!
This symbol means ATTENTION. This will guide you on how to correctly and safely use the sprayer equipment.
This symbol means NOTE.
Precautions
Please note these precautions and safe operating practices before using the sprayer.
General information
Read and fully understand this instruction book before using the equipment. It is also equally important that
other operators of the equipment read and understand this book.
If you do not fully understand any part of this instruction book after reading it, please contact your HARDI
distributor for further information before using the equipment.
Local law may demand the operator to be certified to use this spray equipment. Comply with the law.
The tractor seat is the safest area when handling the equipment.
Wear protective clothing. Protective clothing may vary according to the chemical product being used. Comply
with regulations.
Wash and change clothes after spraying. Clean the tools if they have become contaminated.
Do not eat, drink or smoke while spraying or working with contaminated equipment.
In the event of poisoning, immediately seek medical advice. Remember to identify the chemicals used.
Filling and spraying
Be careful not to hit persons or objects while manoeuvring the spraying equipment, especially when reversing.
Slow down when driving over uneven terrain as the machine could overturn.
Keep children away from the sprayer.
Do not attempt to enter the tank.
Do not climb over the sprayer unless it has been securely fastened. The boom is only secure when it is placed in
the transport brackets.
2 - Safety

8
2 - Safety
Service
Always pressure test with clean water before filling with chemicals. Do not remove the hose if the machine is
turned on.
DANGER! Do not exceed the maximum recommended r.p.m.
Rinse and wash out the equipment after use and before servicing.
Do not remove the hose if the machine is turned on. Always replace all safety devices or shields immediately after
servicing.
Disconnect the power supply before servicing, and de-pressurise the equipment after use and servicing.
If an arc welder is used on the equipment, disconnect any power leads before welding.
Remove all inflammable or explosive materials from the area.
The External Cleaning Device should not be used if any part of the equipment has been damaged, including
safety devices, high-pressure hoses, etc.

9
3 - Description
General information
Overview
1. Clean water tank
2. Main tank
3. Front level indicator
4. Operating Unit
5. 3-point hitch
6. Pump
7. Quick hitch
8. Attachment, lift arms
9. Suction filter
10. Rinse tank
11. Rinse tank cap
12. Main tank lid
5
4
3
2
1
7
6
8
9
10
11
12

10
3 - Description
13. Polyethylene fan housing
14. Air inlet grid
15. Fan
16. Support legs
17. Air outlet grid
18. Side level indicator
The illustrations are covering axial and turbine machines, both can
be equipped with optional extras, that might be or not be illustrated.
The turbine machine is either equipped with vine boom or a cannon
spout, as well as the axial machines might be equipped with deflectors.
More detail described further ahead in this chapter, and the following.
Use of the mistblower
The HARDI mistblower is designed for applying crop protection chemicals. The equipment should only be used for this
purpose. The mistblower must not be used for any other purpose. If there is no special regulations requiring operators to
be certified, you must have received the appropriate training for correctly spraying crops and safely handling chemicals
to avoid unnecessary risks to persons and the environment while spraying.
Roadworthiness
When driving on public roads and other places where the road safety code or where there are other special rules and
regulations for marking and lights on machinery, the machine must be equipped to comply with these regulations.
13
14
15
16
17
18
17
14
15 13

11
3 - Description
Use of the mist blower
The HARDI mist blower is designed for applying chemical products used for crop protection. This equipment may only
be used for this purpose. The use of this equipment for other purposes is not allowed. If there is no special law in your
region which obliges the user to have a permit, it is recommended to be well-prepared for protecting crops in a correct
way and for handling chemical products safely so as to avoid unnecessary risks to people and the environment while
spraying takes place.
For environmental issues the air kit is offered with option to close either left or right side of the air stream from the
blower. These blinds, are mandatory in some sensitive areas, to avoid chemical contaminated air, blowing towards river
sides and water channels
Roadworthiness
When driving on public roads and other places where the road safety code or where there are other special rules and
regulations for marking and lights on machinery, the machine must be equipped to comply with these regulations.
ATTENTION! For models not fitted with brakes the maximum speed is 25 km/h and 40 km/h for those with. This
could vary according to local legislation. Contact your local authorities to find out the current maximum speed
limits.
Identification plate
The identification plate is located on the front right-hand side of the
machine and is riveted to the chassis. It indicates the make, model,
serial number, and date of manufacture.
The serial number is also engraved onto the chassis. The number is
found above the identification plate, as indicated in the picture. The
serial number consist of five digits.
Chassis
The monoblock cold-pressed metal chassis is highly durable and built to last under everyday use under extreme
conditions. It is manufactured using only the most advanced laser cutting and automated soldering processes. To protect
against corrosion it is coated with a polyurethane bi-component paint on top of a highly adherent, steel blasted base.

12
3 - Description
Tank
The main tank made of impact-proof, UV-resistant and chemical resistant polyethylene, has a purposeful design with
no sharp corners for easy cleaning. Nominal contents are1000, 1500, 2000 or 3000 l. A large, easy to read tank contents
indicator is placed on the front - right-hand side and another one is placed on the left side. First one is visible from the
tractor cabin. The filling hole is accessible from the left-hand side. This ensures an easy access for the filling of spray liquid,
cleaning of the tank, etc. The mistblower is equipped with a clean water tank integrated with the main tank design.

13
3 - Description
Liquid system
General information
All the suction system functions are operated via a 3-way valve. The pressure valve is also to be found in the pressure
circuit. The low pressure circuit is called HLC (Hardi Liquid Circuit).
The liquid circuit
Consists of a manifold system in the working zone (front part) where pressure manifold receives liquid from the pump,
and distributes to the different options on the sprayer: to the operating unit, to the TurboFiller, to the bottle cleaner, to
the Powder mixer in strainer etc., all according to configuration of options. The suction manifold in same area allows
suction from main tank, rinsing tank or external water source, if fitted, depending on the configuration.
The pressure side of the liquid circuit is fitted with a safety valve to protect the circuit against misuse of excessive
pressure. See chapter “Safety valve”
Diaphragm pump
Pumps with a diaphragm: Models 321/10 (max. 20 bar) or 363/7 (max. 20 bar)
They are low pressure and robustly built. Use only grease for lubrication. The 363 model has six diaphragms and the 321
has two. This type of pump is self-priming, works without oil and can run dry as long as necessary.
Valves
The suction valve is located above the pump and is used to select
where to suck liquid from. Either suction from the main tank for
spraying or from the rinse tank for internal cleaning of the liquid circuit.
The function is selected by turning the handle of the valve towards the
desired function.
ATTENTION! If one of the handles is too tight - or too loose
(= liquid loss) - the valve needs to be serviced. For more
information, see section on “Maintenance”.
Valves and symbols
The valves are identified by coloured discs fitted on the valves themselves. The symbols correspond to the optional
accessories, and are located on the discs for quick identification and handling. To activate/open a function, turn the lever
to the desired function.
ATTENTION: Only the functions to be used should be activated – the other valves should always be kept closed.
ATTENTION: If the handle of a MANIFOLD valve is too tight – or too loose (loss of fluid)– the valve needs to be
serviced. For more information, see the section on ‘Maintenance’.

14
3 - Description
Manifold system
The pressure circuit HLC (Hardi Liquid Circuit) is used with diaphragm
pumps. The HLC distributor has three mechanical valves.
Valve (A) operates the agitator.
Valve (B) activates the powder mixer which flushes powder chemicals
through the tank strainer.
Valve (C) activates the rotating rinsing nozzle for rinsing the main tank
inside when the liquid circuit is rinsed with clean water.
Each function is identified by a pictorial symbol. Valves (A) and (B) are
optional.
Safety valves
The safety valve protects the liquid circuit against over pressure in the
event of failures or clogged lines.
If the spring-loaded safety valve opens the liquid is lead back to tank
via hose (A).
The safety valve opens at15 bar.
DANGER! Do not remove, bypass or block safety valve from the
liquid circuit as this could put your safety at risk.
Blue valve – Blue disc = Return valve
Towards agitation Towards the suction pump
The position of the return MANIFOLD valve determines where the
excess flow from the fluid circuit goes. When the arrow on the handle
points to a symbol, the excess fluid will be fully sent towards that
function (the example shows agitation). This valve does not have the ‘0’
position.
Pressure pulsation damper
The 321 pump is fitted with a pulsation damper on suction and
pressure sides. The pressure side damper is pressureized. The dampers
will reduce pulsations and secure an even flow from the pump.
The pressuredamper should be inflatedto the pressure shown in the
table on top of the pulsation damper (A).
A B C
A
A

15
3 - Description
Circuit Diagram
1. Main tank
2. Suction MANIFOLD (black)
3. Suction filter
4. Pump
5. External filling
6. Safety valve
7. Pressure collector
8. Agitation
9. Section valves
10. Pressure filters
11. Fan and nozzles
12. Powder mixer
13. Nozzle for internal cleaning
14. Return Manifold (Blue)
15. Pressure regulator
Circuit configuration can vary according to local legislation and standards, e.g. dump valve.
Suction filter
The suction filter is located underneath the three-way suction valve.
1
2
3
4
6
12
8
13
7 15
10
9
14
11
5

16
3 - Description
Safety valve
It is made of cast iron and is situated on the front of the machine
next to the operating unit. From this manifold it is possible to activate
the agitator and the rinsing nozzle for internal cleaning (optional),
as well as the Turbofiller (optional) or powder mixer. Do only open
the manifold valve in order do sent pressure to the desired device, as
example given the Turbofiller.
Pressure manifold
It is made of plastic and is situated on the front of the machine next
to the operating unit. From this manifold it is possible to activate the
agitator and the rinsing nozzle for internal cleaning (optional).
Suction and pressure pulsation dampers
The 321 pump is fitted with a pulsation damper on suction and
pressure sides. The pressure side damper is pressureized. The dampers
will reduce pulsations and secure an even flow from the pump.
Agitator
At the front and on each side of the inside of the tank there are two
ventury-shaped agitators. The agitators are activated by a valve on the
pressure manifold.
Each agitator has a Ø 3mm nozzle (D).
D
MAX. 20 bar
(HLC)
MAX. 40 bar
(HPC)