Scrub System, Disc - Cable Version 79Service Manual – SC450
Removal and Installation
Brush Motor Amperage Check
Warning! Thisproceduremustbeperformedbyqualiedpersonnelonly.
1. Remove the brush.
2. Remove the recovery water tank.
Warning! Do not touch uncovered electrical components while performing the following steps.
3. Apply the Amp clamp (A) on the battery cable (B).
4. Turn on the brush and check that the brush motor amperage is between 2 and 4 Amp at 230 Vac.
Stop the brush rotation.
Remove the Amp clamp (A).
If the amperage is higher, pes to detect and correct the abnormal input:
• Check that the brush hub is free from foreign materials (ropes, dirt, ...) preventing it from turning.
• Remove the brush motor (see the procedure in the Brush Motor Disassembly/Assembly paragraph),
and check the condition of all its components.
If the above-mentioned procedures do not produce the correct readings for the brush motor amperage,
the motor must be replaced (see the procedure in the Brush Motor Disassembly/Assembly paragraph).
Reset
5. Assemble the components in the reverse order of disassembly.
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