Advance acoustic Terra 4300B User manual

TerraTM 4300B
SERVICE MANUAL
Advance model: 908 4309 010
1463200000(2)2008-07

INDEX
SERVICE MANUAL ENGLISH
TerraTM 4300B 146 2889 000(2)2007-08 1
INDEX
GENERAL INFORMATION ........................................................................................................................................ 3
MACHINE LIFTING ............................................................................................................................................... 3
MACHINE TRANSPORTATION ............................................................................................................................ 3
PUSHING OR TOWING THE MACHINE .............................................................................................................. 3
OTHER REFERENCE MANUALS AVAILABLE ..................................................................................................... 3
SAFETY ................................................................................................................................................................ 3
GENERAL SAFETY PRECAUTIONS ................................................................................................................... 4
TECHNICAL DATA ................................................................................................................................................ 6
MAINTENANCE .................................................................................................................................................... 9
SCHEDULED MAINTENANCE .............................................................................................................................. 9
SCHEDULED MAINTENANCE TABLE ................................................................................................................. 9
MACHINE NOMENCLATURE ............................................................................................................................. 10
SWEEPING SYSTEM ............................................................................................................................................... 13
MAIN BROOM HEIGHT CHECK AND ADJUSTMENT ........................................................................................ 13
MAIN BROOM DISASSEMBLY/REASSEMBLY................................................................................................... 13
SIDE BROOM HEIGHT CHECK AND ADJUSTMENT......................................................................................... 14
SIDE BROOM DISASSEMBLY/REASSEMBLY ................................................................................................... 16
SIDE BROOM LIFTING CABLE DISASSEMBLY/REASSEMBLY........................................................................ 17
MAIN BROOM DRIVING BELT VISUAL INSPECTION........................................................................................ 18
MAIN BROOM DRIVING BELT DISASSEMBLY/REASSEMBLY ......................................................................... 19
MAIN BROOM GAS SPRING DISASSEMBLY/REASSEMBLY ........................................................................... 20
MAIN BROOM PULLEY BEARING REPLACEMENT.......................................................................................... 21
MAIN BROOM MOTOR ELECTRICAL INPUT CHECK ....................................................................................... 22
MAIN BROOM MOTOR CARBON BRUSH CHECK AND REPLACEMENT........................................................ 23
MAIN BROOM MOTOR DISASSEMBLY/REASSEMBLY .................................................................................... 28
SIDE BROOM MOTOR ELECTRICAL INPUT CHECK........................................................................................ 25
SIDE BROOM MOTOR CARBON BRUSH CHECK AND REPLACEMENT ........................................................ 26
SIDE BROOM MOTOR DISASSEMBLY/REASSEMBLY..................................................................................... 27
SIDE BROOM ACTIVATION MICROSWITCH ADJUSTMENT AND DISASSEMBLY/REASSEMBLY................. 28
MAIN BROOM ACTIVATION MICROSWITCH ADJUSTMENT AND DISASSEMBLY/REASSEMBLY ................ 29
TROUBLESHOOTING ......................................................................................................................................... 30
SKIRT........................................................................................................................................................................ 31
SKIRT HEIGHT AND OPERATION CHECK AND ADJUSTMENT ....................................................................... 31
SIDE SKIRT DISASSEMBLY/REASSEMBLY ...................................................................................................... 33
REAR SKIRT DISASSEMBLY/REASSEMBLY..................................................................................................... 34
FRONT SKIRT DISASSEMBLY/REASSEMBLY .................................................................................................. 35
FRONT SKIRT LIFTING CABLE DISASSEMBLY/REASSEMBLY....................................................................... 36

INDEX
ENGLISH SERVICE MANUAL
2146 2889 000(2)2007-08 TerraTM 4300B
DUST AND DEBRIS COLLECTION SYSTEM ......................................................................................................... 37
DUST FILTER CLEANING AND INTEGRITY CHECK ......................................................................................... 37
FILTER SHAKER OPERATION CHECK .............................................................................................................. 39
FILTER SHAKER MOTOR DISASSEMBLY/REASSEMBLY ................................................................................ 39
VACUUM FAN DISASSEMBLY/REASSEMBLY
[till S/N 072820295] .............................................................................................................................................. 40
POWER VACUUM FAN DISASSEMBLY/REASSEMBLY
[starting from S/N 072820296] ............................................................................................................................. 41
TROUBLESHOOTING ......................................................................................................................................... 42
STEERING AND BRAKING SYSTEM...................................................................................................................... 43
STEERING CHAIN CHECK AND CLEANING ..................................................................................................... 43
STEERING CHAIN DISASSEMBLY/REASSEMBLY............................................................................................ 44
SERVICE AND PARKING BRAKE CHECK AND ADJUSTMENT ........................................................................ 45
BRAKE CONTROL CABLE REPLACEMENT ...................................................................................................... 46
BRAKE SYSTEM DISASSEMBLY/REASSEMBLY .............................................................................................. 47
DRIVE SYSTEM........................................................................................................................................................ 48
DRIVE SYSTEM DRIVE MOTOR ELECTRICAL INPUT CHECK........................................................................ 48
DRIVE MOTOR CARBON BRUSH CHECK AND REPLACEMENT .................................................................... 49
DRIVE SYSTEM DISASSEMBLY/REASSEMBLY ............................................................................................... 50
DRIVE MOTOR DISASSEMBLY/REASSEMBLY................................................................................................. 51
FORWARD/REVERSE GEAR PEDAL DISASSEMBLY/REASSEMBLY.............................................................. 52
FORWARD/REVERSE GEAR PEDAL POTENTIOMETER CHECK AND ADJUSTMENT ................................. 53
TROUBLESHOOTING ......................................................................................................................................... 54
TABLE OF DRIVE BOARD ERROR CODES....................................................................................................... 55
OTHER SYSTEMS.................................................................................................................................................... 56
SCREW AND NUT TIGHTENING CHECK........................................................................................................... 56
FRONT COVER DISASSEMBLY/REASSEMBLY ................................................................................................ 57
SEAT RUNNING CONSENT MICROSWITCH DISASSEMBLY/REASSEMBLY.................................................. 59
ELECTRICAL SYSTEM ............................................................................................................................................ 60
BATTERY CHARGING......................................................................................................................................... 60
FUSE REPLACEMENT........................................................................................................................................ 60
DRIVE ELECTRONIC BOARD DISASSEMBLY/REASSEMBLY ......................................................................... 60
TROUBLESHOOTING ......................................................................................................................................... 61
COMPONENT LOCATION ................................................................................................................................... 61
WIRING DIAGRAM .............................................................................................................................................. 64

GENERAL INFORMATION
SERVICE MANUAL ENGLISH
TerraTM 4300B 146 2889 000(2)2007-08 3
GENERAL INFORMATION
CONVENTIONS
Front, rear, right or left indications in this manual are intended with reference to the operator’s driver’s seat position.
MACHINE LIFTING
WARNING!
Do not work under the lifted machine without supporting it with safety stands.
MACHINE TRANSPORTATION
WARNING!
Before transporting the machine, make sure that:
All doors and carters are closed–
The ignition key is not inserted–
The machine is securely fastened to the means of transport–
PUSHING OR TOWING THE MACHINE
WARNING!
When pushing or towing the machine, carefully follow the relevant instructions given in the User Manual. If you
do not follow the given instructions the machine can be damaged.
OTHER REFERENCE MANUALS AVAILABLE
The following manuals are available at Advance Literature Service Department:
Terra–TM 4300B Part List - Advance Form Number 146 2811 000
Terra–TM 4300B User Manual - Advance Form Number 146 2810 000
Installation instruction for Kit aspiratore Comex - Form Number 1463196000–
Installation instruction for Kit battery charger - Form Number 146 2055 000–
Installation instruction for Kit remote vacuum - Form Number 146 2523 000–
Installation instruction for Kit working light - Form Number 146 2526 000–
Installation instruction for Kit brush bumper - Form Number 146 2698 000–
Installation instruction for Kit overhead guard - Form Number 146 2738 000–
Installation instruction for Kit carpet - Form Number 146 2742 000–
Installation instruction for Kit ashing beacon - Form Number 146 2693 000–
SAFETY
Advance uses the following symbols to indicate potentially dangerous situations. Always read this information carefully and take all
necessary precautions to safeguard people and property.
DANGER!
It indicates a dangerous situation with risk of death for the operator.
WARNING!
It indicates a potential risk of injury for people.
CAUTION!
It indicates a caution or a remark related to important or useful functions. Pay the greatest attention to the
paragraphs marked by this symbol.
NOTE
It indicates a note related to important or useful functions.
CONSULTATION
It indicates the necessity to refer to the User Manual before performing any procedure.

GENERAL INFORMATION
ENGLISH SERVICE MANUAL
4146 2889 000(2)2007-08 TerraTM 4300B
GENERAL SAFETY PRECAUTIONS
Specic warnings and cautions used to indicate potential damage to people and machines are shown below.
DANGER!
Before performing any maintenance, repair, cleaning or replacement procedure disconnect the battery–
connector, remove the ignition key and engage the parking brake.
This machine must be used by properly trained operators only. Children or disabled people cannot use this–
machine.
Keep sparks, ames and smoking materials away from the batteries. During the normal operation explosive –
gases are released.
Do not wear jewels when working near electrical components.–
Do not work under the lifted machine without supporting it with safety stands.–
When working under the open hood, ensure that it cannot be closed by accident.–
Do not operate the machine near toxic, dangerous, ammable and/or explosive powders, liquids or –
vapours. This machine is not suitable for collecting dangerous powders.
When lead batteries (WET) are installed on this machine, do not tilt the machine more than 30° from its–
horizontal position to not allow the highly corrosive acid to leak out of the batteries. When the machine is to
be tilted to perform maintenance procedures, remove the batteries.
If the machine is equipped with lead (WET) batteries, battery charging produces highly explosive hydrogen –
gas. Keep the hood open when charging the batteries and perform this procedure in well-ventilated areas
and away from naked ames.

GENERAL INFORMATION
SERVICE MANUAL ENGLISH
TerraTM 4300B 146 2889 000(2)2007-08 5
WARNING!
Carefully read all the instructions before performing any maintenance/repair procedure.–
Take all necessary precautions to prevent hair, jewels and loose clothes from being caught by the machine–
moving parts.
For machines with electronic battery charger (optional):–
Before using the battery charger, ensure that frequency and voltage values, shown on the machine serial –
number plate, match the electrical mains voltage.
Do not pull or carry the machine by the battery charger cable and never use the battery charger cable as–
a handle. Do not close a door on the battery charger cable, or pull the battery charger cable around sharp
edges or corners. Do not run the machine on the battery charger cable.
Keep the battery charger cable away from heated surfaces.–
Do not charge the batteries if the battery charger cable or the plug are damaged. If the battery charger cable–
is damaged, contact Advance Service Center.
To reduce the risk of re, electric shock, or injury, do not leave the machine unattended when it is plugged –
in. Before performing any maintenance procedure, disconnect the battery charger cable from the electrical
mains.
To avoid any unauthorized use of the machine, remove the ignition key.–
Do not leave the machine unattended without being sure that it cannot move independently.–
Do not use the machine on slopes with a gradient exceeding the specications.–
Use only brooms supplied with the machine and those specied in the User Manual. Using other brooms –
could reduce safety.
Do not smoke while charging the batteries.–
Before using the machine, close all doors and/or covers.–
Do not use the machine in excessively dusty areas.–
Do not wash the machine with direct or pressurised water jets, or with corrosive substances.–
Do not use compressed air to clean this type of machine, except for the lters (see the relevant paragraph).–
While using this machine, take care not to cause damage to other people, and children especially.–
Do not put any can containing uids on the machine.–
The machine storage temperature must be between 32°F and 104°F (0°C and +40°C).–
The machine working temperature must be between32°F and 104°F (0°C and +40°C).–
The humidity must be between 30% and 95%.–
Always protect the machine against the sun, rain and bad weather, both under operation and inactivity–
condition. Store the machine indoors, in a dry place. This machine must be used in dry conditions, it must
not be used or kept outdoors in wet conditions.
Do not use the machine as a means of transport, or for pushing/towing.–
Do not allow the brooms to operate while the machine is stationary to avoid damaging the oor.–
In case of re, possibly use a powder re extinguisher, not a water one.–
Do not bump into shelves or scaffoldings, especially where there is a risk of falling objects.–
Adjust the operation speed to suit the oor conditions.–
Do not use the machine on slopes with a gradient exceeding the specications.–
This machine cannot be used on roads or public streets.–
Do not tamper with the machine safety guards.–
Follow the routine maintenance procedures scrupulously.–
Do not remove or modify the plates afxed to the machine.–
In case of machine malfunctions, ensure that these are not due to lack of maintenance. Otherwise, request –
assistance from the authorised personnel or from an authorised Service Center.
If parts must be replaced, require ORIGINAL spare parts from an Authorised Dealer or Retailer.–
To ensure machine proper and safe operation, the scheduled maintenance shown in the relevant chapter of–
this Manual must be performed by the authorised personnel or by an authorised Service Center.
The machine must be disposed of properly, because of the presence of toxic-harmful materials (batteries, –
oils, plastics, etc.), which are subject to standards that require disposal in special centres (see the
Scrapping chapter).

GENERAL INFORMATION
ENGLISH SERVICE MANUAL
6146 2889 000(2)2007-08 TerraTM 4300B
TECHNICAL DATA
Dimensions and weights Values
Machine length 58.3 in (1480 mm)
Machine width (with two side brooms) 47.2 in (1200 mm)
Machine maximum height (at the steering wheel) 48.0 in (1220 mm)
Cleaning width (without side brooms) 27.6 in (700 mm)
Cleaning width with two side broom 49.6 in (1260 mm)
Minimum ground clearance (skirts not included) 2.2 in (55 mm)
Front – rear wheelbase 30.1 in (765 mm)
Track (centres of rear wheels) 32.8 in (832 mm)
Seat cushion height 36.2 in (920 mm)
Main broom diameter - length 11.8-27.6 in (300-700 mm)
Side broom diameter 16.5 in (420 mm)
Front steering wheel diameter 9.8 in (250 mm)
Rear driving wheel diameter 9.8 in (250 mm)
Front wheel specic pressure on the ground (*) 159.5 psi (1.1 N/mm2)
Rear wheel specic pressure on the ground (*) 101.5 psi (0.7 N/mm2)
Machine kerb weight (without operator) 842.2 lb (382 Kg)
Waste container capacity 18.5 gal (70 litri)
Sound pressure level at operator ear (ISO 11201, ISO 4871) (LpA) 63.8 dB(A) ± 3dB(A)
Machine sound pressure level (ISO 3744, ISO 4871) (LwA) 81 dB(A)
Operator’s arm vibration (ISO 5349-1) (**) < 8.2 ft/s2 (< 2.5 m/s2)
Operator’s body vibration level (ISO 2631-1) (**) < 1.9 ft/s2 (< 0.6 m/s2)
(*): The machines is tested in the following conditions:
with operator 165.3 lb (75 Kg) if ride-on•
max size battery•
max size brush deck / squeegee•
optionals installed•
weight veried on each wheel•
print area veried on concrete for each wheel•
result expressed as max. value for front and max. value for rear wheels.•
(**): under normal working conditions and on a level asphalt surface.

GENERAL INFORMATION
SERVICE MANUAL ENGLISH
TerraTM 4300B 146 2889 000(2)2007-08 7
TECHNICAL DATA (continues)
Performance data Values
Max forward speed 3.7 mph (6 Km/h)
Maximum reverse speed 1.8 mph (3 Km/h)
Gradeability at full load 20%
Main broom rotation speed 550 rpm
Side broom rotation speed 80 rpm
Panel lter area 14.1 ft2(4,3 m2)
Panel lter rating 5-10 μm
Main broom compartment vacuum 0,43 in H2O (11 mm H2O)
Minimum turning radius (outer) 51,6 in (1310 mm)
Motor data Values
Drive motor power 24 V, 0.8 hp (600 W)
Main broom motor power 24 V, 0.67 hp (500 W)
Side broom motor power 24 V, 0.08 hp (60 W)
Vacuum motor power 24 V, 0.41 hp (310 W)
Filter shaker motor power 24 V, 0.12 hp (90 W)
Electrical system data Values
System voltage 24 V
Total consumption 30A
Autonomy > 4 hours (with battery 180Ah@5h)
> 5 hours (with battery 256Ah@5h)
Propulsion battery
Standard Lead (WET) with acid electrolyte
Optional Gel (GEL) hermetic
Battery capacity 256 Ah@5
Battery compartment maximum size 26.0x17.3x14.6 in
(660x440x370 mm)

GENERAL INFORMATION
ENGLISH SERVICE MANUAL
8146 2889 000(2)2007-08 TerraTM 4300B
DIMENSIONS
1480 mm (58.3 in)
1220 mm (48.0 in)
1220 mm (48.0 in)
S301231

GENERAL INFORMATION
SERVICE MANUAL ENGLISH
TerraTM 4300B 146 2889 000(2)2007-08 9
MAINTENANCE
SCHEDULED MAINTENANCE
The lifespan of the machine and its maximum operating safety are ensured by correct and regular maintenance.
NOTE
See GENERAL INFORMATION and SAFETY - ACCIDENT PREVENTION
The following table provides the scheduled maintenance. The intervals shown may vary according to particular working conditions,
which are to be dened by the person in charge of the maintenance.
The following paragraphs give further instructions about the maintenance interventions listed in the following Scheduled
Maintenance Table.
SCHEDULED MAINTENANCE TABLE
Maintenance operation On delivery Every 10
hours
Every 50
hours
Every 100
hours
Every 200
hours
Every 400
hours
Battery uid level check (WET)
Side and main broom height check and
adjustment
Dust lter cleaning and integrity check
Skirt height and operation check
Filter shaker operation check
Main broom drive belt visual inspection
Nut and screw tightening check (1)
Service and parking brake check and adjustment
Steering chain check and cleaning
Main broom drive belt replacement
Main motor and drive motor carbon brush check
and replacement
(1): And after the rst 8 running-in hours.

GENERAL INFORMATION
ENGLISH SERVICE MANUAL
10 146 2889 000(2)2007-08 TerraTM 4300B
MACHINE NOMENCLATURE
Throughout this manual you will nd numbers in brackets – for example: (2). These numbers refer to the components indicated in
these two nomenclature pages. Refer to these pages whenever it will be necessary to identify a component mentioned in the text.
Left control panel1.
Ignition key2.
Discharged battery warning light (red)3.
Semi-discharged battery warning light (yellow)4.
Charged battery warning light (green)5.
Display6.
Display selection switch: Hour counter/ hour and minute7.
counter / battery voltage (V)
Horn8.
Switch having the following functions:9.
Vacuum fan starting/stopping•
Filter shaker activation•
Manual vacuum system switch (optional)10.
Working light switch (optional)11.
Emergency switch12.
Control panel fastening screws13.
Right control panel14.
Left/right side broom lifting/lowering lever15.
Main broom lifting/lowering lever16.
Steering wheel position adjusting lever (forward/backward)17.
Steering wheel18.
Forward/reverse gear pedal19.
Service brake pedal (it acts on the front wheel)20.
Parking brake lever (it acts on the front wheel)21.
Front skirt lifting pedal22.
Can holder23.
Hood24.
Rear driving wheels on xed axle25.
Front wheel, steering26.
Right side broom27.
Left side broom (optional)28.
Main broom29.
Left side skirt30.
Right side skirt31.
Front skirt32.
Rear skirt33.
Waste container34.
Waste container safety hook35.
Waste container handle36.
Removable left door37.
Door knobs38.
Main broom right door39.
Door knobs40.
Pivoting light (always on when the ignition key is turned to41.
“I” position). (optional)
Driver’s seat with safety microswitch42.
Additional hole for manual vacuum kit (optional)43.
Steering column44.
Working light (optional)45.
Right side broom height adjusting knob46.
Left side broom height adjusting knob (optional)47.
Seat longitudinal position adjusting lever48.
Vacuum lter compartment cover49.
Cover knobs50.
Manual vacuum kit (optional)51.
Manual vacuum kit fasteners52.
Internal containers with handle for dumping (optional)53.
Serial number plate/technical data/EC certication54.
Hood lifting handles55.
Machine lifting anchors56.
Hood (open position)57.
Open hood support tie rod58.
Batteries59.
Battery connection diagrams60.
Battery caps (for lead batteries)61.
Battery connector62.
Electronic battery charger (optional)63.
Battery charger electrical cable64.
Lead (WET) or gel (GEL) battery selector switch located on65.
the optional electronic battery charger
Charged battery warning light66.
Lamellar fuse box67.
Main broom motor circuit breaker (30 A)68.
Side broom motor circuit breaker (10 A)69.
Drive board malfunction warning led70.
Electrical component box71.
Drive board72.
Battery case73.
Manual vacuum system (optional)74.
Main broom height adjusting knob75.
Air bafe plate76.

GENERAL INFORMATION
SERVICE MANUAL ENGLISH
TerraTM 4300B 146 2889 000(2)2007-08 11
MACHINE NOMENCLATURE
S301231

GENERAL INFORMATION
ENGLISH SERVICE MANUAL
12 146 2889 000(2)2007-08 TerraTM 4300B
MACHINE NOMENCLATURE
S301232

SWEEPING SYSTEM
SERVICE MANUAL ENGLISH
TerraTM 4300B 146 2889 000(2)2007-08 13
SWEEPING SYSTEM
MAIN BROOM HEIGHT CHECK AND ADJUSTMENT
NOTE
Brooms of various hardness are available. This procedure is applicable to all types of brooms.
Check the main broom for proper ground clearance, proceeding as follows:1.
Drive the machine on a level ground.•
Keep the machine stationary, lower the main broom and rotate it for few seconds.•
Stop and lift the main broom, then move the machine and switch it off.•
Check that the main broom print (A), along its length, is from 2 to 4 cm wide.•
If the print (A) is not within specications, it is necessary to adjust the broom height by proceeding as described in step 2
below, after stopping and braking the machine.
Engage the parking brake by pressing the pedal (20 and 21) until it is blocked by the ratchet pawl of the parking brake lever2.
(21).
Turn the ignition key (2) to “0” position.3.
Open the hood (24).4.
Loosen the knob (B) on the left side of the machine.5.
Turn the knob (C), and remind that:6.
It must be screwed to lift the broom•
It must be unscrewed to lower the broom•
After the adjustment, keep the knob (C) stopped and tighten the knob (B).
Perform step 1 again to check the proper adjustment of the main broom height from the ground.7.
When the broom is too worn to be adjusted, replace it as shown in the next paragraph.8.
CAUTION!
An excessive print (larger than 4 cm) of the main broom can lead to machine malfunction and moving parts
overheating, thus reducing machine life.
Be extremely careful when performing the above-mentioned checks and always use the machine according to
the indicated conditions.
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SWEEPING SYSTEM
ENGLISH SERVICE MANUAL
14 146 2889 000(2)2007-08 TerraTM 4300B
MAIN BROOM DISASSEMBLY/REASSEMBLY
NOTE
Brooms of various hardness are available. This procedure is applicable to all types of brooms.
CAUTION!
It is advisable to use protective gloves when replacing the main broom because there can be cutting debris
between the bristles.
Drive the machine on a level ground and engage the parking brake (20 and 21).1.
Turn the ignition key (2) to “0” position.2.
Unscrew the knobs (40) and remove the right door (39).3.
Unscrew the knob (A).4.
Unscrew the knobs (B) and remove the broom compartment cover (C).5.
Remove the broom (D).6.
Check that the drive hub (E) is free from dirt or foreign materials (cords, clothes, etc.) accidentally rolled up.7.
The new broom must be installed with the bristles rows (F) positioned as shown in the gure.8.
Install the new broom (G) on the machine, and ensure that its opening (H) ts into the related drive hub (E).9.
Reinstall the broom compartment cover (C), then screw the knobs (B) and (A).10.
Install the right door (39), then screw the knobs (40).11.
Carry out the main broom height check and adjustment (see the procedure in the relevant paragraph).12.
S301237 S301238
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SWEEPING SYSTEM
SERVICE MANUAL ENGLISH
TerraTM 4300B 146 2889 000(2)2007-08 15
SIDE BROOM HEIGHT CHECK AND ADJUSTMENT
NOTE
Brooms of various hardness are available. This procedure is applicable to all types of brooms.
Check
Check the side brooms for proper ground clearance, proceeding as follows:1.
Drive the machine on a level ground and lower the side brooms.•
Keep the machine stationary and rotate the side brooms for a few seconds.•
Lift the side brooms, then move the machine and switch it off.•
Check that the size and the orientation of the prints left by the side brooms match with the areas (A and B).•
If the prints are not within specications, it is necessary to adjust the broom height by proceeding as described in step 2 below,
after stopping and braking the machine.
Adjustment with the knobs
Loosen the knob (C) positioned above the broom.2.
Turn the knob (D), and remind that:3.
It must be screwed to lift the broom•
It must be unscrewed to lower the broom•
After the adjustment, hold the knob (D) and tighten the knob (C).
Perform step 1 again to check the proper adjustment of the side broom height from ground.4.
When the brooms are too worn out to be adjusted, replace them as shown in the next paragraph.5.
Adjustment with the cable sheath terminals
If necessary, adjust the broom height by using the adjustable terminals (E) for the right broom and (F) for the left broom.6.
S301240 S301241
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SWEEPING SYSTEM
ENGLISH SERVICE MANUAL
16 146 2889 000(2)2007-08 TerraTM 4300B
SIDE BROOM DISASSEMBLY/REASSEMBLY
NOTE
Brooms of various hardness are available. This procedure is applicable to all types of brooms.
CAUTION!
It is advisable to use protective gloves when replacing the side brooms, because there can be cutting debris
between the bristles.
Drive the machine on a level ground and engage the parking brake (20 and 21).1.
Turn the ignition key (2) to “0” position.2.
Put your hand into the side broom and press the tabs (A) inwards, then remove the broom (B) by disengaging it from the four3.
pins (C).
Install the new broom on the machine by engaging it on the pins (C) and on the tabs (A).4.
Carry out the main broom height check and adjustment (see the procedure in the relevant paragraph).5.
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SWEEPING SYSTEM
SERVICE MANUAL ENGLISH
TerraTM 4300B 146 2889 000(2)2007-08 17
SIDE BROOM LIFTING CABLE DISASSEMBLY/REASSEMBLY
Disassembly
Drive the machine onto an appropriate lifting hook.1.
Engage the parking brake (20 and 21).2.
Turn the ignition key (2) to “0” position.3.
Operating according to the safety rules, lift the machine.4.
If the lifting hook is not available, engage the machine to the four anchors (56), and lift it with a proper hoisting system,
operating according to the safety rules.
Unscrew the knobs (A) or (B) completely from the tie rods (C) or (D).5.
Loosen the pulley fastening screws (E) or (F) to let the cables (G) or (H) pass through.6.
Unscrew the adjusters (I) or (J).7.
Unscrew the adjusters (K) or (L).8.
Unscrew the nut (M) and disengage the cable terminal (N) or (O).9.
Remove the cable (G) or (H).10.
Reassembly
Reassemble in the reverse order of disassembly.11.
Carry out side broom height adjustment (see the procedure in the relevant paragraph).12.
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SWEEPING SYSTEM
ENGLISH SERVICE MANUAL
18 146 2889 000(2)2007-08 TerraTM 4300B
MAIN BROOM DRIVING BELT VISUAL INSPECTION
Drive the machine on a level ground and engage the parking brake (20 and 21).1.
Turn the ignition key (2) to “0” position.2.
Unscrew the knobs (38) and remove the left door (37).3.
Visually inspect the belt (A) for integrity, cracks or breaks, along its whole length; if necessary, replace it (see the procedure in4.
the relevant paragraph).
Tension belt adjustment is not necessary.5.
Install the left door (37), then screw the knobs (38).6.
S301245