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SERVICE MANUAL
SWEEPING SYSTEM
SWEEPING SYSTEM
BRUSH CLEANING
CAUTION!
It is advisable to use protective gloves when cleaning the brushes/pads/cylindrical brushes as there
may be cutting debris.
1.
Remove the brushes (84) by using the switch (6).
2.
Clean and wash the brushes with water and solution.
3.
Check that the brush bristles are integral and not excessively worn; otherwise replace the brushes.
The brushes are to be considered worn when their bristles reach a length of 20 mm (that is, half their original length).
BRUSH MOTOR ELECTRICAL INPUT CHECK
WARNING!
This procedure must be performed by qualified personnel only.
1.
Drain the recycling water, if any, from the related tank (70) by using the pipe (36).
2.
Drain the solution, if any, from the related tank (71) by using the pipe (37).
3.
Position the machine on a level ground.
4.
Remove the brushes (84) by using the switch (6).
5.
Turn the ignition key (10) to "0" position.
6.
Turn the drive on/off switch (46) to "0" position.
7.
Unscrew the handwheel (66).
8.
Hold the handlebar (2) and carefully lift the tank assembly (78) to be able to work on the deck (79).
9.
Apply ammetric pliers (D) on the motor (F) electrical cable (E) or on the motor (H) electrical cable (G).
10. Turn the ignition key (10) to "I" position.
11. Remove the brushes (84) or the pad-holders (85) by using the switch (6).
12. Place two wooden shims (I) under the deck sides (L), as shown in the figure.
The wooden shim thickness must be about 140 mm
WARNING!
Keep the wooden shims (I) at a proper distance from the hubs (M).
13. Lower the deck (L) on the wooden shims (I) by using the switch (2). Check the hubs (M) do not touch the floor.
14. Push the forward/reverse and brush/pad/cylindrical brush rotation paddle (14) and check that the electrical input of
the motor (F) or (H) at 24 V is between 3 and 5A. Release the forward/reverse and brush/pad/cylindrical brush
rotation paddle (14). Turn the ignition key (10) to "0" position and remove the ammetric pliers (D).
If the electrical input exceeds the specifications, perform the following operations to identify and eliminate the cause
of the faulty input:
–
check the brush/pad-holder hub (M) for debris or dirt (cords, cables, etc.);
–
check the motor carbon brushes (see the procedure on the following page);
–
if necessary, disassemble the motor (see the procedure on the following pages) and check all its 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 pages).
15. Carry out steps from 4 to 13 in the reverse order.
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909 5484 000(1)2004-03
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Table of Contents
Troubleshooting
