FG Wilson 400 Series - 6.8 - 24 kVA — Generator Isolating
Maintenance
For the FG Wilson 400 Series - 6.8 - 24 kVA, from the FG Wilson operator's manual.
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Procedure
- Stop the engine.
- Isolate the battery with the battery isolator provided. Attach a DO NOT OPERATE warning tag and disconnect the engine starting circuit.
- Disconnect the generator from the distribution system.
- Lock out the circuit breaker. Attach a DO NOT OPERATE warning tag. Verify all points of possible reverse power flow have been locked out.
- Open miniature circuit breakers for power, sensing and control circuitry.
- Attach a DO NOT OPERATE warning tag to the generator excitation controls.
- Remove the cover of the generator's terminal box.
- Use an insulated audio/visual proximity tester to verify that the generator is de-energized.
- Add ground straps to the conductors or terminals and keep them connected during the entire work period.
Tools required
- Audio/visual proximity tester (insulated for the proper voltage rating) Amazon
- Ground straps Amazon
- Lockout devices and warning tags Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: FG Wilson operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.