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SERVICE MANUAL
BRUSH MOTOR CARBON BRUSH CHECK AND REPLACEMENT
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.
Turn the ignition key (10) to "0" position.
5.
Disconnect the battery connector (40).
6.
Unscrew the handwheel (66).
7.
Hold the handlebar (2) and carefully lift the tank assembly (78) to be able to work on the deck (79).
8.
Remove dirt and dust from the motor outer part in the carbon brush holder (A) area.
9.
Remove the four carbon brush holders (A) after releasing the retainers (B) and (C). If necessary, disconnect the
connectors (D).
10. Check the four carbon brushes (E) for wear; the carbon brushes are worn when there is not sufficient contact with
the motor armature, because of the carbon brush wear, the contact surface deterioration, the thrust spring
breakage, etc. The carbon brush (E) minimum length is 15 mm: when this length is reached, the carbon brushes
have to be replaced.
11. If necessary, disconnect the connectors (F) and remove the carbon brushes with their holders (A) to replace them.
Replace all carbon brushes as an assembly.
12. Reassemble by carrying out the disassembly operations in the reverse order, with the following caution:
–
when connecting the terminals (F), make sure that they are insulated from the surrounding parts of the frame.
22
Figure 2
S300627
909 5484 000(1)2004-03
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Troubleshooting
