Graco 395/490/495/595 important safety instructions Step

Page 35

Troubleshooting

Problem

What to Check

How to check

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.

GRN BLU R BLK

STEP 1:

GRN BLU R BLK

STEP 2:

GRN BLU R BLK

STEP 3:

334530A

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Image 35

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