Drive Motor Carbon Brush Check And Replacement - Nilfisk-Advance BA 600S Service Manual

DRIVE 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 drive motor.
8. Working under the machine, remove dirt and dust from the drive motor (B) outer part from the cover side (A).
9. Unscrew the covers (A) and extract the carbon brushes (C).
10. Check the two carbon brushes (C) 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 (C) minimum length is 13 mm: when this length is reached, the carbon brushes
have to be replaced.
11. If necessary, replace the carbon brushes.
Replace all carbon brushes as an assembly.
12. Reassemble by carrying out the disassembly operations in the reverse order.
909 5484 000(1)2004-03
Figure 2
SERVICE MANUAL
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