56
- FORM NO. 56043126 - CR 1100, CR 1200
SCRUB SYSTEM
TROUBLESHOOTING GUIDE
Possible Symptom
1
Scrub deck motors will not operate.
Part B: Load Circuit
Note: Do all testing with the key switch on, seat switch closed, scrub deck pressure set on (1) foot pedal activated and solution shut off.
All the scrub brush motors will not turn
Inspect motor gearbox assy for
possible mechanical problems, (debris
in and around motors). Replace fuse.
Repair or replace
defective wire. Does
the motor run?
Replace defective
solenoid. Does the
motor run?
At the solenoid load wires K1 WHT/ORN,
K2 GRA/BLK, K3 BLU/YEL (+ output to
motor) check for 36V to battery ground.
Check for 36V at brush
motors wires M2, M3 & M4
Is the F11 250 amp Fuse open
Inspect individual motor gearbox assy for
possible mechanical problems.
Repair motor gearbox.
Left brush motor does not run.
Check for 36V at K1 brush motor load wire
RED/VIO (+ battery input) to battery ground.
Right brush does not run.
Check for 36V at K3 brush motor load wire
RED/VIO (+ battery input) to battery ground.
Center brush does not run.
Check for 36V at K2 brush motor load wire
RED/VIO (+ battery input) to battery ground.
Repair or replace
defective wire. Does
the motor run?
Repair or replace defective
motor.
no
no
no
no
no
no
no
yes
yes
yes
yes
yes
yes
yes
no
no
no
Summary of Contents for Cr 1100
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