Nilfisk-Advance BR 751 - VACUUM SYSTEM MOTOR CARBON BRUSH CHECK and REPLACEMENT (before S;N

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SERVICE MANUAL
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909 6424 000(3)2007-12 BR 601 / BR 651 / BR 751 / BR 751 C
RECOVERY WATER SYSTEM
VACUUM SYSTEM MOTOR CARBON BRUSH CHECK AND REPLACEMENT (before S/N ..........)
Drive the machine to the appointed disposal area, and empty the recovery water tank (58) with the hose (22).
Empty the solution/washing water tank (59) with the tap (36).
Drive the machine on a level fl oor.
Turn the ignition key (12) to "0".
Carefully lift the tank assembly (60) to reach the batteries.
Disconnect the battery connector (63).
Remove the cover (A) from the vacuum system motor (B).
Remove the screws (C).
Disconnect the electrical connections (D).
Remove the carbon brushes (E).
Check the carbon brushes 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.
If necessary, replace the carbon brushes. Replace the carbon brushes as an assembly.
Assemble the components in the reverse order of disassembly.
S301337
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