Vacuum Motor Electrical Input Check - Nilfisk-Advance BA 600S Service Manual

SERVICE MANUAL

VACUUM MOTOR ELECTRICAL INPUT CHECK

WARNING!
This procedure must be performed by qualified personnel only.
1. Drain the recycling water, if any, from the related tank (70) by using the pipe (36).
2. Drain the solution, if any, from the related tank (71) by using the pipe (37).
3. Position the machine on a level ground.
4. Turn the ignition key (10) to "0" position.
5. Unscrew the handwheel (66).
6. Hold the handlebar (2) and carefully lift the tank assembly (78) to be able to work on the deck (79).
7. Release the acoustic insulation assembly (A).
8. Apply the ammetric pliers (B) to a vacuum motor (D) cable (C).
9. Turn the ignition key (10) to "I" position.
10. Activate the vacuum motor by pushing down the lever (35) and check that the motor electrical input is within 18-22A
at 24V. Stop the vacuum motor by pulling the lever (35). Turn the ignition key (10) to "0" position and remove the
ammetric pliers (B).
If the input exceeds the specified value, perform the motor carbon brush check (see the procedure on the following
page). If necessary, disassemble the vacuum motor (see the procedure on the following pages), then clean the
motor properly and inspect the condition of its moving parts.
If the above-mentioned procedures do not lead to a correct motor input, it is necessary to replace the motor (see
the procedure on the following pages).
11. Carry out steps from 1 to 7 in the reverse order.
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Figure 2
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909 5484 000(1)2004-03