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Troubleshooting
334530A 35
5.Perform Spin Test: Test at large
4-pin motor field connector.
Disconnect fluid pump from
sprayer. Test motor by placing a
jumper across pins 1 & 2. Rotate
motor fan at about 2 revolutions per
second. A cogging resistance to
motion should be felt at the fan.
The motor should be replaced if no
resistance is felt. Repeat for pin
combinations 1 & 3 and 2 & 3. Pin 4
(the green wire) is not used in this
test. If all spin test is positive,
continue to step 6.
Problem What to Check How to check
GRN BLU R BLK
GRN BLU R BLK
STEP 2:
STEP 3:
STEP 1:
GRN BLU R BLK