Repair Manual Mobile Generator - Wacker Neuson
Repair Manual Mobile Generator - Wacker Neuson
Repair Manual Mobile Generator - Wacker Neuson
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Output Voltage Troubleshooting G 70<br />
8.4 Checking the Main Circuit Breaker<br />
Prerequisites Fully-charged battery<br />
Emergency stop switch in disengaged (out) position.<br />
Engine shut down.<br />
Procedure Follow the procedure below to check the main circuit breaker.<br />
WARNING<br />
Electric shock hazard. High voltage exists at the lugs with the engine running. High<br />
voltage can cause severe injury or death.<br />
Do not conduct this test with the engine running.<br />
1. Remove the “key” (latch) (a) from the lug door and place in the slot of the lug<br />
door switch. NOTICE: Do not place anything but the key into the slot of the lug<br />
door switch.<br />
2. Place the main circuit breaker in the ON position.<br />
Does the main circuit breaker stay in the ON position?<br />
Yes ____ No ____<br />
Continue. The main circuit breaker has failed; replace it.<br />
3. With the main circuit breaker in the ON position, remove the key from the lug<br />
door switch.<br />
Does the main circuit breaker trip?<br />
4. Disconnect the yellow wire of the main circuit breaker from the two yellow wires.<br />
This procedure continues on the next page.<br />
wc_tx000958gb.fm 70<br />
Yes ____ No ____<br />
Continue with step 6. Continue.
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