Advance acoustic Terra 128B User manual

146 0721 000(2)2003-04
Terra 128B - 132B
SERVICE MANUAL

SERVICE MANUAL
146 0721 000(2)2003-04 1
INDEX
GENERAL INFORMATION 3
MACHINE LIFTING 3
MACHINE TRANSPORTATION 3
OTHER AVAILABLE MANUALS 3
SAFETY - ACCIDENT PREVENTION 4
GENERAL SAFETY RULES 4
TECHNICAL DATA 5
MAINTENANCE 7
SCHEDULED MAINTENANCE 7
SCHEDULED MAINTENANCE TABLE 7
MACHINE NOMENCLATURE 8
SWEEPING SYSTEM 11
VISUAL INSPECTION OF THE BELT FROM THE ENGINE TO THE MAIN BRUSH 11
BELT REPLACEMENT FROM THE ENGINE TO THE MAIN BRUSH 11
MAIN BRUSH HEIGHT ADJUSTMENT 12
MAIN BRUSH REPLACEMENT 13
SIDE BRUSH HEIGHT ADJUSTMENT 14
SIDE BRUSH REPLACEMENT 15
MAIN MOTOR ELECTRICAL INPUT CHECK 16
MAIN MOTOR BRUSH/CARBON BRUSH CHECK AND REPLACEMENT 18
MAIN BRUSH AND REDUCTION UNIT REPLACEMENT 19
SIDE BRUSH MOTOR ELECTRICAL INPUT CHECK 22
SIDE BRUSH MOTOR REPLACEMENT 23
TROUBLESHOOTING 24
FLAP 25
FLAP HEIGHT AND OPERATION CHECK (AND ADJUSTMENT) 25
SIDE FLAP REPLACEMENT 27
FRONT AND REAR FLAP REPLACEMENT 28
FRONT FLAP LIFTING CABLE ADJUSTMENT (only for Terra 132B) 29
FRONT FLAP LIFTING CABLE REPLACEMENT (only for Terra 132B) 31
DUST AND DEBRIS COLLECTION SYSTEM 33
DUST FILTER CLEANING AND INTEGRITY CHECK 33
FILTER-SHAKER OPERATION CHECK 34
FILTER-SHAKER MOTOR ELECTRICAL INPUT CHECK (optional) 34
TROUBLESHOOTING 35
TRACTION SYSTEM 36
DRIVING BELT VISUAL INSPECTION 36
DRIVING BELT TENSOR ADJUSTMENT 36
DRIVING BELT CONTROL CABLE REPLACEMENT 37
DRIVING BELT CONTROL CABLE SHEATH REPLACEMENT 38
DRIVING BELT REPLACEMENT 39
DRIVING WHEEL OR AXLE BEARING REPLACEMENT 40
TROUBLESHOOTING 42
OTHER SYSTEMS 43
SCREW AND NUT TIGHTENING CHECK 43

SERVICE MANUAL
2146 0721 000(2)2003-04
ELECTRICAL SYSTEM 44
BATTERY MAINTENANCE AND RECHARGING 44
BATTERY INSTALLATION AND BATTERY TYPE SETTING (WET OR GEL) 44
FUSE REPLACEMENT 45
ELECTRONIC BOARD REPLACEMENT 46
HOOD SAFETY SWITCH OPERATION CHECK 47
CHECK IF THE MACHINE DOES NOT START WHEN THE (OPTIONAL) BATTERY CHARGER PLUG IS
CONNECTED TO THE NET OUTLET 47
COMPONENT LAYOUT 48
WIRING DIAGRAMS 50
In this manual, all the references to front part, R.H. side, L.H. side or rear part have to be intended
with the operator on the driving seat.

SERVICE MANUAL
GENERAL INFORMATION
146 0721 000(2)2003-04 3
GENERAL INFORMATION
MACHINE LIFTING
MACHINE TRANSPORTATION
OTHER AVAILABLE MANUALS
The following manuals are available by Advance Literature Service Department:
– Terra 128B - Spare Part List - Advance Form Number 146 0597 000
– Terra 128B - Use and Maintenance Manual - Advance Form Number 146 0596 000
– Terra 132B - Spare Part List - Advance Form Number 146 0788 000
– Terra 132B - Use and Maintenance Manual - Advance Form Number 146 0791 000
WARNING!
Do not work under the lifted machine, if it is not securely fixed.
WARNING!
Before transporting the machine, ensure that:
• All doors, drawers and carters are closed
• The ignition key is not inserted
• The machine is fastened to the mean of transportation

SERVICE MANUAL
GENERAL INFORMATION
4146 0721 000(2)2003-04
SAFETY - ACCIDENT PREVENTION
The following symbols indicate potentially dangerous situations. Always read carefully this information and take
the necessary precautions to protect people and objects.
GENERAL SAFETY RULES
Specific warnings and cautions to inform about potential damages to people and machine are shown below.
DANGER!
Indicates a dangerous situation (risk of death) for the User.
WARNING!
Indicates the risk of being injured.
CAUTION!
Indicates a caution or a remark related to important or useful functions. Take care of the
paragraphs marked by this symbol.
DANGER!
– To perform maintenance/repair procedures turn the machine ignition key to OFF position and
disconnect the battery.
– This machine must be used by qualified and authorized personnel only. Children or disabled
people cannot use this machine.
– Keep the battery far from sparks, flames and smoke. During the normal operation explosive
gases are delivered.
– Do not wear jewels when working near electrical components.
– Do not work under the lifted machine, if it is not securely fixed.
– Do not operate the machine near dangerous, inflammable and/or explosive powders, liquids
or vapors.
– Battery charging produces explosive hydrogen gas. Keep the hood open during battery
charging and perform the operation only in well-ventilated areas and far from naked flames.

SERVICE MANUAL
GENERAL INFORMATION
146 0721 000(2)2003-04 5
TECHNICAL DATA
WARNING!
– Carefully read all maintenance/repair 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.
– Do not smoke during battery charging.
– Do not leave the machine unattended with the ignition key inserted and the parking brake
deactivated.
– Do not use the machine on surfaces with a gradient greater than the one indicated on the
machine.
– Do not wash the machine with pressurized water or corrosive substances. Do not use
compressed air to clean this type of machine.
– Do not use the machine in too dusty areas.
– While using this machine take care not to cause damage to people.
– Storage temperature must be within +32°F - +104°F (0°C - +40°C).
– The machine working temperature must be within +32°F - +104°F (0°C - +40°C).
– Humidity range should be within 30% and 95%.
– Do not use the machine as a transport vehicle.
– Do not allow the brushes to operate while the machine is stationary to avoid damaging the
floor.
– In case of fire, use a powder extinguisher. Do not use water.
– Do not remove or modify the plates affixed on the machine.
– If parts must be replaced, require ORIGINAL spare parts from a Dealer or Authorized Retailer.
– The machine must be disposed of properly, because of the presence of toxic-harmful
materials (battery acid, oil, etc.), which are subject to standards that require disposal in
special centers (see the related chapter in the Use and Maintenance Manual).
– 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 it is necessary to tilt the machine for maintenance, remove the batteries.
Dimensions Terra 128B Terra 132B
Cleaning width (with side brush) 700 mm (27.6 in) 820 mm (32.3 in)
Minimum machine length 1070 mm (42.13 in)
Machine width, without side brush 667 mm (26.26 in) 773 mm (30.4 in)
Height when the handlebar is
lowered 836 mm (32.91 in)
Minimum height from ground 40 mm (1.6 in)
Handlebar height,
minimum/maximum 824 /1120 mm (32.4 / 44 in)
Main brush size Ø 245 mm x 500 mm
(9.65 x 19.69 in)
Ø 245 mm x 600 mm
(9.65 x 23.62 in)
Side brush size Ø 347 mm (13.7 in)
Speed with maximum push force 4,24 Km/h (2.63 mph) 4,38 Km/h (2.74 mph)
Maximum slope 2 %
Hopper capacity 40 Lt (1.4 ft3) 50 Lt (1.7 ft3)
Machine total weight94,78 Kg (210.62 lb)100,9 Kg (222.4 lb)
Front wheel, steering Ø 125/37.5-50 mm (4.92/1.48-1.97 in)
Continues

SERVICE MANUAL
GENERAL INFORMATION
6146 0721 000(2)2003-04
S300366
Rear wheels, driving Ø 250 x 50 mm (Ø 9.84 x 1.97 in)
Main electric motor 600 W - 3000 RPM
Sound level (Lpa) 64 dB (A)
Electric filter-shaker (optional) 12 V, 30 W
Batteries Terra 128B Terra 132B
Standard battery Lead, with acid electrolyte (WET)
Optional battery Gel, hermetic (GEL)
Battery voltage 12 V
Battery compartment max. size 398x262x283 (15.7x10.3x11.1 in)
Dust suction and filtering Terra 128B Terra 132B
Paper dust filter 5-10 µm 2 m2(22 ft2)
Electric filter-shaker (optional) 12V, 30 W
Vacuum in main brush
compartment 4 mm H2O (0.63 in H2O)
(**) 1060,2 mm (41.7 in)
(*) 1062,8 mm (41.8 in)
(*) (**)
541,3 mm (21.3 in)
(*) 671,2 mm (26.4 in) (**) 772,9 mm (30.4 in)
(*) 939,7 mm (37 in)
(**) 938,8 mm (37 in)
(*) 612,9 mm (24.1 in)
(**) 712,9 mm (28.1 in)
(*) 353,8 mm (13.9 in)
(**) 382,8 mm (15.1 in)
(*) = Terra 132B
(**) = Terra 132B
(*) 666,8 mm (26.3 in) (**) 766,8 mm (30.2 in)

SERVICE MANUAL
GENERAL INFORMATION
146 0721 000(2)2003-04 7
MAINTENANCE
SCHEDULED MAINTENANCE
The machine proper and safe operation is granted by a careful and constant maintenance.
The following table sums up the scheduled maintenance. The indicated periods can be subjected to variations
according to working conditions. These must be defined by the person in charge of maintenance.
For maintenance operation instructions see the following paragraphs.
SCHEDULED MAINTENANCE TABLE
(1): Or before each start.
See GENERAL INFORMATION and SAFETY - ACCIDENT PREVENTION
Maintenance operation On delivery
Every
10
hours
Every
50
hours
Every
100
hours
Every
200
hours
Every
400
hours
Battery liquid level check ! ! (1)
Driving belt visual inspection:
traction, main brush ! !
Flap height and operation check ! !
Side and main brush height check !
Dust pre-filter cleaning and integrity
check !(1)
Filter-shaker operation check !
Nut and screw tightening check !
Drive belt check and tensor
adjustment !
Driving belt replacement: traction,
main brush !
Main electric motor brush (or
carbon brush) check or
replacement
!
Hood opening switch operation
check !
Check if the machine does not start
when the (optional) battery charger
plug is connected to the net outlet.
!

SERVICE MANUAL
GENERAL INFORMATION
8146 0721 000(2)2003-04
MACHINE NOMENCLATURE
In this Manual you find numbers in brackets –example: (2). These numbers refer to the components indicated in
these two nomenclature pages. Refer to these pages each time you want to find the component mentioned in the
text.
1. Control panel
2. Ignition key
3. Discharged battery warning light
4. Semi-discharged battery warning light
5. Charged battery warning light
6. Display
7. Display selection button: hour counter/ hour and minutes
counter / battery voltage (V),
8. Filter-shaker button (optional)
9. Panel fastening screws
10. Serial number plate / technical data / EC certification
11. Machine serial number
12. Handlebar
13. Selector lever
14. Handlebar inclination adjusting knobs
15. Can holder
16. Hood
17. Rear wheels on fixed axis
18. Pivoting front wheel
19. Side brush
20. Main brush (inside)
21. Side brush lifting and adjusting knob
22. Side brush retainer
23. Lift side flap
24. Right side flap
25. Front flap
26. Rear flap
27. Hopper
28. Hopper hook
29. Hopper hook handle
30. Manual filter-shaker handle
31. Main brush movable door
32. Main brush height left adjuster
33. Main brush height right adjuster
34. Main brush right door
35. Main brush right door fastening screws
36. Pedal brake on front wheel (optional)
37. Batteries
38. Battery connector
39. Battery charger
40. Battery charger electrical cable
41. Main fuse
42. Side brush motor fuse
43. (Lead) battery caps
44. Lead (WET) or gel (GEL) battery selector switch positioned on
the electronic battery charger
45. Battery assembly diagram
46. Charged battery warning light
47. Main brush belt
48. Drive belt
49. Drive pulley to main brush
50. Drive pulley to traction
51. Fan
52. Main electric motor
53. Hood safety switch
54. Battery charger electrical connector (brown) (prearrangement)
55. Front flap lifting lever (*)
56. Ground discharge chain
57. Key fuse
(*) Only on Terra 132B

SERVICE MANUAL
GENERAL INFORMATION
146 0721 000(2)2003-04 9
MACHINE NOMENCLATURE (CONTINUES)
S300367

SERVICE MANUAL
GENERAL INFORMATION
10 146 0721 000(2)2003-04
MACHINE NOMENCLATURE (CONTINUES)
S300368

SERVICE MANUAL
SWEEPING SYSTEM
146 0721 000(2)2003-04 11
SWEEPING SYSTEM
VISUAL INSPECTION OF THE BELT FROM THE ENGINE TO THE MAIN
BRUSH
1. Drive the machine on a level ground and activate the pedal brake (36), if present.
2. Turn the ignition key (2) to “0”position.
3. Open the hood (16).
4. Visually inspect the timing belt (47) condition from the engine to the main brush. To check the belt completely,
rotate is by operating manually on the fan (51).
5. If the timing belt is worn, replace it performing the following procedure.
6. Carry out steps from 1. to 3. in the reverse order.
BELT REPLACEMENT FROM THE ENGINE TO THE MAIN BRUSH
1. Drive the machine on a level ground and activate the pedal brake (36), if present.
2. Turn the ignition key (2) to “0”position.
3. Remove the main brush (see the procedure in the related paragraph).
4. Remove the belt (47) from the pulley (49). To facilitate the operation, rotate the pulley (49) by manually
operating on the fan (51).
5. Remove the screws (35) and the right door (34) together with the belt (47).
6. Install in the reverse order of removal, with the following change:
–Set the belt tensioner (47) as shown in the figure below.
Figure 1
S300412

SERVICE MANUAL
SWEEPING SYSTEM
12 146 0721 000(2)2003-04
MAIN BRUSH HEIGHT ADJUSTMENT
Check
1. Check the main brush correct height from the ground, proceeding as follows:
–Drive the machine on a level ground.
–Keep the machine stationary and rotate the main brush for a few seconds.
–Stop the main brush and move the machine.
–Check that the main brush print (A), along is width, is from 0.8 to 1.6 in (2 to 4 cm).
In case the print (A) is not within the specifications, it is necessary to adjust the brush height, proceeding as
follows.
Adjustment
2. Drive the machine on a level ground and activate the pedal brake (36), if present.
3. Turn the ignition key (2) to “0”position.
4. Loosen the knobs (B) on both side of the machine.
5. Operating on the knobs (B) move, on both sides of the machine, the brush height variation indicator (C) as
necessary and then screw down the knobs (B).
The index (C) must be set to the same position on both machine sides.
6. Perform step 1 again to check the proper adjustment of the main brush height from the ground.
7. When the main brush is too worn out the adjustment is no more possible; replace the brush following the
instructions on the following page.
Remark: Brushes with harder or softer bristles are available. This procedure is applicable to each
type of brushes.
CAUTION!
If the main brush print is excessive (above 1,6 in [4 cm]), the machine regular operation is
affected and the moving or electrical parts can overheat, thus reducing machine life.
Take care when performing the above-mentioned checks and use the machine only according
to the indicated conditions.
Figure 1
S300228
Figure 2
S300229

SERVICE MANUAL
SWEEPING SYSTEM
146 0721 000(2)2003-04 13
MAIN BRUSH REPLACEMENT
1. Drive the machine on a level ground and activate the pedal brake (36), if present.
2. Turn the ignition key (2) to “0”position.
3. Loosen the knobs (A) on both side of the machine.
4. Move the brush height variation indicators (B) until the brush reaches the maximum distance from the ground.
Screw down the knobs (A).
5. Open the hood (16).
6. On the left side of the machine, loosen the knob (C).
7. Remove the brush cover (D) pressing downward to disengage the retainers (E).
8. Pull out the brush (F).
9. Check that the drive hub (I) is free from dirt or foreign materials (cords, clothes, etc.) accidentally rolled up.
10. The new brush must be installed with the bristles rows (G) bended as shown in the figure (top view).
11. Install the new brush on the machine and ensure that its flange (H) correctly fits on the related drive hub (I).
12. Reinstall the brush cover (D), engaging the retainers (E).
13. Screw down the knob (C).
14. Carry out the Main Brush Height Adjustment as described on the previous page.
Remark: Brushes with harder or softer bristles are available. This procedure is applicable to each
type of brushes.
CAUTION!
It is advisable to use protective gloves when replacing the main brush because there can be
cutting debris between the bristles.
Figure 3
S300230
Figure 4
S300231
Figure 5
S300232
Figure 6
S300369
Figure 7
S300234
Figure 8
S300235
I

SERVICE MANUAL
SWEEPING SYSTEM
14 146 0721 000(2)2003-04
SIDE BRUSH HEIGHT ADJUSTMENT
Check
1. Check the side brush correct height from the ground, proceeding as follows:
–Drive the machine on a level ground and lower the side brush.
–Keep the machine stationary and rotate the side brush for few seconds.
–Stop the side brush and move the machine.
–Check that the side brush print (A) is, in extension and orientation, as shown in the figure. In case the
print is not within the specifications, it is necessary to adjust the brush height, proceeding as described
in step 2.
Adjustment
2. Rotate the handle (21) clockwise or counter-clockwise to adjust the brush height from ground.
3. Perform step 1 again to check the proper adjustment of the side brush height from the ground.
4. When the brush is too worn out and the adjustment is no more possible, replace the brush following the
instructions in the following paragraph.
Figure 9
S300413
Remark: Brushes with harder or softer bristles are available. This procedure is applicable to each
type of brushes.

SERVICE MANUAL
SWEEPING SYSTEM
146 0721 000(2)2003-04 15
SIDE BRUSH REPLACEMENT
1. Turn the ignition key (2) to “0”position.
2. Insert the hand inside the side brush and press the tabs (A) inward and then remove the brush (B)
disengaging it from the four pins (C).
3. Install the new brush on the machine engaging it on the pins (C) and on the tabs (A).
4. Carry out the Side Brush Height Adjustment as described above.
Figure 10
S300237
Remark: Brushes with harder or softer bristles are available. This procedure is applicable to each
type of brushes.
CAUTION!
It is advisable to use protective gloves when replacing the side brush because there can be
cutting debris between the bristles.

SERVICE MANUAL
SWEEPING SYSTEM
16 146 0721 000(2)2003-04
MAIN MOTOR ELECTRICAL INPUT CHECK
Discharged motor electrical input check
1. Remove the main brush (see the procedure in the related paragraph).
2. Open the hood (16).
3. Set an ammeter (A) on the battery positive cable (B).
4. Remove the side brush motor fuse (42).
5. Press and hold the hood safety switch (53), turn the ignition key to (2) “I”position, without pulling the selector
lever (13) and then check that the main motor electrical input is:
–Max. 50 A at 12 V, with cold engine
–Max. 45 A at 12 V, with hot engine
If the electrical input is higher, perform the following operations to detect and correct the causes:
–Remove any dirt or foreign materials from the transmission system, which can possibly hinder or slow
down regular movements.
–If necessary, carry out the motor brush check (see the procedure on the following pages).
–If necessary, disassemble the suction motor (see the procedure in the related paragraph), clean it and
check its moving parts.
If the above-mentioned procedures do not lead to a correct electrical input, it is necessary to replace the
motor (see the procedure on the following page).
6. Carry out steps from 1. to 4. in the reverse order.
7. If the electrical input with the engine discharged is correct, it is necessary to carry out the charged motor
electrical input check, according to the following procedure.
WARNING!
This procedure must be performed by qualified personnel only.
WARNING!
Carry out the following operation with extreme care.

SERVICE MANUAL
SWEEPING SYSTEM
146 0721 000(2)2003-04 17
Charged motor electrical input check
8. Reinstall the main brush (see the procedure in the related paragraph).
9. Check that the main brush height adjustment is correct (see the procedure in the related paragraph).
10. Warm up the main electric motor by operating the machine for at least ten minutes.
11. Open the hood (16).
12. Set an ammeter (A) on the battery positive cable (B).
13. Remove the side brush motor fuse (42).
14. Press and hold the hood safety switch (53), turn the ignition key to (2) “I”position, without pulling the selector
lever (13) and then check that the main motor electrical input is max. 55 A at 12 V.
15. If the electrical input is higher, check that the main brush height adjustment is correct (see the procedure in
the related paragraph) and then carry out steps from 10 to 14 again.
16. Carry out steps from 11. to 13. in the reverse order.
Figure 11
S300371
WARNING!
Carry out the following operation with extreme care.

SERVICE MANUAL
SWEEPING SYSTEM
18 146 0721 000(2)2003-04
MAIN MOTOR BRUSH/CARBON BRUSH CHECK AND REPLACEMENT
1. Drive the machine on a level ground and activate the pedal brake (36), if present.
2. Turn the ignition key (2) to “0”position.
3. Open the hood (16).
4. Disconnect the battery electrical connector (38) and remove the batteries (37) and the related holder.
5. Remove dust and dirt from the motor exterior part; then disengage and remove the clamp (A).
6. For each of the four brushes, lift the retaining spring (B) and remove the brushes (C).
7. Check if the four brushes are worn. The brushes are worn when there is not sufficient contact with the motor
armature, because of their use, of the contact surface which is not integral or because the thrust spring is
broken, etc.
8. If necessary, remove the brushes to replace them, by unscrewing the nuts (D) and disengaging the lead-in
wires (E).
9. It is advisable to replace all the brushes at the same time.
10. Install in the reverse order of removal, with the following caution:
–When connecting the terminals (E), take care of their insulation from the surrounding parts of the frame.
Figure 12
S300272

SERVICE MANUAL
SWEEPING SYSTEM
146 0721 000(2)2003-04 19
MAIN BRUSH AND REDUCTION UNIT REPLACEMENT
Removal
1. Drive the machine on a level ground and activate the pedal brake (36), if present.
2. Turn the ignition key (2) to “0”position.
3. Open the hood (16).
4. Disconnect the battery electrical connector (38).
5. Remove the belt (47) from the pulley (49). To facilitate the operation, rotate the pulley (49) by manually
operating on the fan (51).
6. Remove the belt (48) from the pulley (50).
7. Remove the screws (9) and lift the control panel (1).
8. Disconnect the main brush cables, (A) "red" and (B) "black", from the electromagnetic switch (C) and from
the insulator (D) respectively.
9. Remove the internal retaining clamp (F) and then remove the main motor electrical cable (E) from the frame.
10. Unscrew the seven screws (G) and remove the reduction unit assembly (H).
Disassembly at the cabinet bench
11. Remove the screws (L) and the carter (M) at the cabinet bench.
12. Remove the screws (K) and shaft with ring gear and pulley (N, O, P) assembly.
13. Unscrew the screws (Q) and remove the electric motor, reduction unit, ring gear and pulley (R, S, T, U).
14. Unscrew the screw (V) and pull out the shaft with ring gear and pulley (W, T, U).
15. Remove the screws (X) and the reduction unit (S).
16. Loosen the dowel (Y) and remove the screw (Z).
17. Pull out the fan (AA) and recover the key (AB).
18. Remove the screw and the bracket (AC) with the motor.
19. Remove the screws (AD) and the main electric motor (R).
20. Install in the reverse order of removal.
Figure 13
S300240
Figure 14
S300373