Scrub System, Disc - Battery Version
67
Service Manual – SC450
Removal and Installation
Brush Motor Amperage Check
Warning! This procedure must be performed by qualified personnel only.
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 3 A at 24 V
Stop the brush rotation
Remove the Amp clamp (A)
If the amperage is higher, perform the following procedures to detect and correct the abnormal input:
• Check that the brush hub is free from foreign materials (ropes, dirt, ...) preventing it from turning.
•
Check that the brush fuse (F1) is properly positioned
•
Check the condition of the brush motor carbon brushes
• 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
A
B
P2000027
