KUHN HR4004D User manual

Original instructions
KN208JGB_C
Read carefully before starting the machine
Power harrow
HR4004D-4504D
KN208JGB_C - English - 12-2019
Operator's manual
J0001 > J9999
*KN208JGB_C*

1. - Dear Owner
HR4004D-4504D
3
KN208JGB_C
Power harrow
1. Dear Owner
Copyright 2019 KUHN
In buying a Kuhn machine you have chosen wisely. Into it have gone years of thought, research and
improvement. You will find, as have thousands of owners all over the world, that you have the best that
engineering skill and actual field testing can produce. You have purchased a dependable machine, but only
through proper care and operation can you expect to receive the performance and long service built into it.
This manual contains all the necessary information for you to receive full efficiency from your machine. The
performance you get from this machine is largely dependent on how well you read and understand this
manual and apply this knowledge. Please DO NOT ASSUME YOU KNOW HOW TO OPERATE AND
MAINTAIN YOUR MACHINE before reading this manual carefully. KEEP THIS MANUAL AVAILABLE FOR
REFERENCE. Pass it on to the next owner if you re-sell the machine.
Your KUHN dealer can offer a complete line of genuine KUHN service parts. These parts are manufactured
andcarefullyinspectedinthesamefactorythatbuilds the machineto assure high quality and accurate fitting
of any necessary replacements.
About improvements
We are continually striving to improve our products. We therefore reserve the right to make improvements
or changes when it becomes practical to do so, without incurring any obligations to make changes or
additions to the equipment sold previously.
Wear parts
Wearing parts fitted on our machines have been tested in very different situations to optimize their service
life. Nevertheless, the service life depends highly on the conditions of use (products to handle, soil, weather
conditions, etc...).
Document illustrations
The illustrations in this manual may be based on one type of machine only. However, all instructions apply
to all machines covered in this manual.

HR4004D-4504D
42. - Contents
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2. Contents
1. Dear Owner .....................................................................................................................3
2. Contents..........................................................................................................................4
3. Identification of the machine.........................................................................................8
3.1 Front view ........................................................................................................................................ 8
3.2 Rear view......................................................................................................................................... 8
3.3 Model identification plate ................................................................................................................. 9
3.4 Optional equipment........................................................................................................................ 10
4. Safety.............................................................................................................................11
4.1 Description of symbols used in this document................................................................................11
4.2 Safety instructions ......................................................................................................................... 12
4.2.1 Introduction....................................................................................................................... 12
4.2.2 Read and follow the safety instructions............................................................................12
4.2.3 Precautions to be taken before carrying out any operations on the machine................... 13
4.2.4 Precautions to take before using the machine ................................................................. 13
4.2.5 Precautions when driving ................................................................................................. 14
4.2.6 Precautions when driving on public roads........................................................................ 14
4.2.7 Maximum speed...............................................................................................................18
4.2.8 Precautions when coupling...............................................................................................18
4.2.9 Hydraulic circuit................................................................................................................ 19
4.2.10 PTO shaft..........................................................................................................................20
4.2.11 Precautions during manoeuvres....................................................................................... 21
4.2.12 Remote controlled components........................................................................................21
4.2.13 Safety decals.................................................................................................................... 21
4.2.14 Waste disposal .................................................................................................................22
4.2.15 Precautions for maintenance and repair work.................................................................. 22
4.2.16 Projection of stones and foreign objects........................................................................... 23
4.2.17 Precautions for machine use............................................................................................ 23
4.2.18 Precautions to take before using the parking stands........................................................ 24
4.3 Location and description of safety decals on the machine ............................................................ 25
4.3.1 Location of safety decals..................................................................................................25
4.3.2 Description of safety decals.............................................................................................. 26
4.4 Road safety equipment and recommendations ............................................................................. 28
4.5 Likely critical failures......................................................................................................................28
4.6 Incorrect use of the machine by the user....................................................................................... 29
4.7 Limit state criteria........................................................................................................................... 29

2. - Contents
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5
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5. Machine specifications................................................................................................ 30
5.1 Description and glossary ............................................................................................................... 30
5.1.1 Designated use of the machine........................................................................................ 31
5.2 Technical specifications................................................................................................................. 31
5.2.1 Designated parameters.................................................................................................... 32
5.3 Required equipment...................................................................................................................... 32
5.3.1 Intermediate PTO shaft .................................................................................................... 32
5.3.2 Power harrow blades........................................................................................................32
5.3.3 Rollers.............................................................................................................................. 33
5.4 Sound levels.................................................................................................................................. 36
6. Putting into service...................................................................................................... 37
6.1 Coupling and uncoupling............................................................................................................... 37
6.1.1 Description of coupling elements ..................................................................................... 37
6.1.2 Preparing the tractor......................................................................................................... 37
6.1.3 Coupling the machine.......................................................................................................39
6.1.4 Primary PTO shaft............................................................................................................ 41
6.1.5 Cam type cut-out clutch....................................................................................................42
6.1.6 PTO output stub on gearbox............................................................................................ 48
6.2 Adjusting the machine ................................................................................................................... 49
6.2.1 Front/rear machine levelling............................................................................................. 49
6.2.2 Rotor speed adjustment................................................................................................... 49
6.2.3 Adjusting the roller scrapers............................................................................................. 50
6.2.4 Adjusting the scraper plate holder.................................................................................... 53
6.2.5 Adjusting the side deflector.............................................................................................. 53
6.2.6 Uncoupling the machine................................................................................................... 55
6.2.7 Handling........................................................................................................................... 56
7. Instructions for transport............................................................................................ 57
7.1 Putting the machine into transport position ................................................................................... 57
7.2 Conformity with the road regulations............................................................................................. 58
7.3 Machine transport using transport means ..................................................................................... 58
8. Instructions for work................................................................................................... 59
8.1 Putting the machine into work position.......................................................................................... 59
8.2 Adjustments in working position .................................................................................................... 60
8.2.1 Working depth.................................................................................................................. 60
8.3 Machine use .................................................................................................................................. 61
8.3.1 Drive speed...................................................................................................................... 62

HR4004D-4504D
62. - Contents
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9. Optional equipment......................................................................................................63
9.1 Sets of gearwheels ........................................................................................................................ 63
9.2 Standard linkage............................................................................................................................ 64
9.2.1 Adjustment........................................................................................................................ 65
9.3 Hydraulic lift linkage....................................................................................................................... 65
9.3.1 Location and description of safety decals on the machine............................................... 66
9.3.2 Coupling and uncoupling.................................................................................................. 67
9.4.3 Removal ...........................................................................................................................77
9.4.4 Putting the machine into transport position ...................................................................... 78
9.3.5 Maintenance.....................................................................................................................72
9.3.6 Storage............................................................................................................................. 73
9.4 Rear attachment with double acting hydraulic lift........................................................................... 73
9.4.1 Location and description of safety decals on the machine............................................... 74
9.4.2 Coupling device................................................................................................................ 74
9.4.3 Removal ...........................................................................................................................77
9.4.4 Putting the machine into transport position ...................................................................... 78
9.4.5 Putting the machine into work position............................................................................. 79
9.4.6 Adjustments in working position ....................................................................................... 79
9.4.7 Maintenance.....................................................................................................................81
9.4.8 Storage............................................................................................................................. 81
9.5 Track eradicators........................................................................................................................... 82
9.5.1 Uncoupling the machine................................................................................................... 82
9.5.2 Adjustments in working position ....................................................................................... 83
9.5.3 Safety ............................................................................................................................... 84
9.5.4 Maintenance.....................................................................................................................84
9.6 Rear signalling elements................................................................................................................ 85
9.7 Lights and indicators...................................................................................................................... 85
9.7.1 Coupling and uncoupling.................................................................................................. 85
9.8 Lateral signalling equipment.......................................................................................................... 86
9.8.1 Instructions specific to France.......................................................................................... 86
9.9 Front signalling elements............................................................................................................... 86
9.9.1 Coupling and uncoupling.................................................................................................. 87
9.10 USA signalling equipment.............................................................................................................. 87
9.11 Front or rear levelling bar............................................................................................................... 88
9.11.1 Adjustments in working position....................................................................................... 88
9.12 Universal arm kit............................................................................................................................ 89
9.13 Adaptation parts for VENTA LC .....................................................................................................90
10. Maintenance and storage ............................................................................................91
10.1 Frequency chart............................................................................................................................. 91
10.2 Cleaning the machine.................................................................................................................... 92

2. - Contents
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10.3 Lubrication..................................................................................................................................... 92
10.3.1 Trough.............................................................................................................................. 93
10.3.2 Primary PTO shaft............................................................................................................ 93
10.3.3 Draining............................................................................................................................ 94
10.3.4 Greasing........................................................................................................................... 95
10.4 Maintenance.................................................................................................................................. 96
10.4.1 Gearbox oil level check.................................................................................................... 96
10.4.2 Checking the blades and their mounting hardware.......................................................... 96
10.4.3 Checking the side deflectors............................................................................................ 98
10.4.4 Oil seal replacement......................................................................................................... 99
10.5 Storage........................................................................................................................................ 102
10.5.1 At the end of each season.............................................................................................. 102
10.5.2 At the start of each season............................................................................................. 102
10.5.3 Storage........................................................................................................................... 103
10.6 Dismantling and scrapping of the machine.................................................................................. 103
11. Troubleshooting guide.............................................................................................. 104
12. Appendix.....................................................................................................................106
12.1 Calculating the load on an axle ................................................................................................... 106
13. Limited Warranty........................................................................................................ 114

HR4004D-4504D
83. - Identification of the machine
KN208JGB_C
Power harrow
3. Identification of the machine
3.1 Front view
3.2 Rear view

3. - Identification of the machine
HR4004D-4504D
9
KN208JGB_C
Power harrow
3.3 Model identification plate
- Please write below the type and serial number of
the machine. This information is to be given to the
Kuhn authorized dealer for any spare parts order
or warranty claim.
• (1) The manufacturer:
• (2) Type:
• (3) Serial Number:
• (4) Weight:
According to the country of destination,
additional plates can be fitted on the
machine.
For machines aimed at countries which are
members of the European Union (EC marking):
• (5) Manufacturing year:
For machines aimed at countries member of the
Eurasian customs union (EAC marking):
• (6) Model year:
• (7) Manufacturing year:
TYPE
MASSE kg
KUHN S.A.
67700 SAVERNE - FRANCE
N°
MADE IN FRANCE
1
3
2
4
5
09993600
25: Year of Construction
0000
00/0000
26: Model Year
7
6

HR4004D-4504D
10 3. - Identification of the machine
KN208JGB_C
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3.4 Optional equipment
- Tick box corresponding to the equipment fitted on your machine:
HR4004D / HR4504D
Set of gearwheels.
Standard linkage.
Hydraulic lift linkage.
Hydraulic lift linkage stroke limiters.
Rear attachment with double acting hydraulic lift.
Track eradicators.
Rear signalling elements.
Lights and indicators.
Lateral signalling equipment.
Front signalling elements.
USA signalling equipment.
Front or rear levelling bar.
Universal arm kit HR/HRB.
HR4004D
Adaptation parts for VENTA LC.