Nilfisk SC370 43B Manual De Servicio página 44

Service Manual- SC370
Brush Motor Carbon Brushes
Removal
1. Disconnect the electrical connections of the brush motor and remove the brush deck.
2. Remove 2 screws (A) and the protection strip (B) on brush motor (C).
For each of the motor's four carbon brushes, disengage spring (D) and remove the carbon brush (E) from its
3.
seat, then detach the carbon brush by disengaging its electrical connection (F).
4. Check the condition of the four carbon brushes (E). Replace them when their contact with the motor armature
is insufficient or their contact surface is not intact due to wear, or the thrust spring is broken, etc. If the residual
length of the carbon brushes reaches the minimum (7mm), they must be replaced in any case.
All carbon brushes of the motor need to be replaced at the same time.
Installation
Assemble components in reverse order of disassembly.
Figure 6
43
34 Scrub System