48
- FORM NO. 56043126 - CR 1100, CR 1200
VACUUM SYSTEM
TROUBLESHOOTING GUIDE
Possible Symptom
1
Vacuum motor will not activate
Part B:
Note: Do all testing with the key switch on, empty recovery tank, hopper closed, squeegee lowered, seat switch and the foot pedal activated.
Vacuum motor(s) will not run
Inspect motor(s) for possible
mechanical binding, (debris in
and around motor).
Reset or replace CB
At the K7 solenoid load wire
GRN/RED (+ battery input) check
for 36V to battery ground.
Repair or replace
defective wire. Do the
motor(s) run?
Repair or replace the
M6/M7 vacuum motors
Replace K7 solenoid.
Do the motor(s) run?
At the K7 solenoid load wire
BLU/GRA (+) output to motor(s)
check for 36V to battery ground.
Check for 36V at each
motor wires
BLU/GRA(+) & BLK(-)
Repair or replace defective
wires or connectors at motor(s).
Do the motor(s) run?
Is the F8 40amp CB open
yes
yes
yes
yes
no
no
no
no
no
no
no
no
Summary of Contents for Cr 1100
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