BRUSHING SYSTEM
SERVICE MANUAL
ENGLISH
BA 451 / BA 451D / BA 531 / BA 531D / BA 551 / BA 551D / BA 551CD / BA 611D
CA 451 / CA 531 / CA 551
909 6756 000(
5)2010-03
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BRUSH MOTOR CARBON BRUSH CHECK/REPLACEMENT (For BA 551CD)
Check
Remove the brush motor (see the procedure in the relevant paragraph).
1.
At the workbench, remove dust and debris from the motor, especially in the area of the protection clamp (A).
2.
Remove the protection clamp (A).
3.
For each carbon brush, move the protection (B) and remove the screws (C).
4.
Remove the carbon brushes (D).
5.
Check if the carbon brushes (D) are worn. Replace the carbon brushes when: the contact with the motor armature is
6.
insufficient, the carbon brushes are worn, the carbon brush contact surface is not integral, the thrust spring is broken, etc.
Replace the carbon brushes as an assembly.
Reset
Assemble the components in the reverse order of disassembly.
7.
B
C
B
A
D
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