GPS 8500/GPS 9700 Troubleshooting Voltage Issues
wc_tx000828gb.fm 21
3.4 Checking the Stator Windings
Prerequisites
Generator shut down
Multimeter
Procedure
Follow the procedure below to check the stator windings.
1. Shut down the generator.
2. Remove the front panel (a) from the generator.
3. Disconnect the main wiring connector.
4. Measure the resistance between the red and white wires; also measure the
resistance between the blue and brown wires.
Is 0.2–0.3 Ohms measured in each case?
5. Check if the stator winding is shorted to ground by checking the continuity
between each wire (red, white, blue, and brown) and ground.
Is there continuity?
This procedure continues on the next page.
wc_gr004673
1000
200
20
2
200m
F
V
A
V- COM
WARNING
Electric shock hazard. High voltage exists at the connector. High voltage can cause
severe injury or death.
f Never touch the internals of the connector while the engine is running.
Yes ____ No ____
Continue. The stator windings have failed; replace the stator.
Yes ____ No ____
The stator windings have failed; replace the stator. Continue.
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