Nilfisk-Advance BR 601, Руководство по обслуживанию

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ENGLISH
SERVICE MANUAL
28 909 6424 000(3)2007-12 BR 601 / BR 651 / BR 751 / BR 751 C
BRUSHING SYSTEM
DISC BRUSH MOTOR CARBON BRUSH CHECK AND REPLACEMENT
Remove the brush/pad-holder deck (see the procedure in the relevant paragraph).
(For cylindrical brush deck only) Remove the brush motor (see the procedure in the relevant paragraph).
Remove dust and dirt from the motor carbon brush support area (A).
Disengage the fasteners (B) and (C), then remove the four carbon brush supports (A). If necessary, disconnect the electrical
connections (D).
Check the carbon brushes (E) for wear. Replace the carbon brushes when: the contact with the motor armature is insuffi cient,
the carbon brushes are worn, the carbon brush contact surface is not integral, the thrust spring is broken, etc. The minimum
length of the carbon brushes (E) is 0.59 in (15 mm). When this length is reached, the carbon brushes must replaced.
If necessary, disconnect the connections (F) and remove the carbon brushes with their supports (A) and replace them.
Replace the carbon brushes as an assembly.
Assemble the components in the reverse order of disassembly, and note the following:
When connecting the terminals (F), take care of their insulation from the surrounding parts of the frame.
S301327
CYLINDRICAL BRUSH MOTOR CARBON BRUSH CHECK AND REPLACEMENT
Remove the brush motor (see the procedure in the relevant paragraph).
At the workbench, remove dust and debris from the motor, especially in the area of the protection clamp (A).
Remove the protection clamp (A).
For each carbon brush, move the protection (B) and remove the screws (C).
Remove the carbon brushes (D).
Check if the carbon brushes (D) are worn. Replace the carbon brushes when: the contact with the motor armature is
insuffi cient, 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.
Assemble the components in the reverse order of disassembly.
B
C
B
A
D
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