Driving Wheel System 123Service Manual – SC3000
Drive system motor carbon brush check/replacement
Check and replacement
1. Drivethemachineonaleveloor.
2. Turn the ignition key to “0” and disconnect the
batteries.
3. Remove the electromagnetic brake (see the
procedure in the relevant paragraph).
4. Remove the drive system motor (see the
procedure in the relevant paragraph).
5. At the workbench, with indelible pen (A) mark
theinstallationpositionoftheangeonthe
drive system motor.
6. Removethescrews(B),theange(C)andthe
plastic ring (D).
7. Disengage the spring (E) and remove the 2
carbon brushes (F).
8. Check the carbon brushes for wear.
9. The carbon brushes are worn when the contact
withthemotorarmatureisinsufcient,the
contact surface is not even, the thrust spring is
broken, etc.
10. If necessary, replace the carbon brushes.
Reset
11. Assemble the components in the reverse order of
disassembly, and note the following:
◦ Clean with compressed air the area around
the carbon brushes and the removed compo-
nents.
◦ Assemble the carbon brushes (F) with the
cables(G)positionedasshowninthegure.
◦ Installtheange(C)onthedrivesystemmo-
tor using the mark (A) as reference.
D
E
F
C
A
BB
F
G
P100390