Magnum — Changing Output Voltage (MMG235 Only)
Adjustments · Reconnect board
From a Magnum operator's manual covering: MMG120, MMG120 Super Start, MMG150D, MMG150D Super Start, MMG185, MMG185D Super Start, MMG235, MMG235 Super Start. Check it applies to your exact model before use.
Applies to: Magnum MMG120, Magnum MMG150D, Magnum MMG185, Magnum MMG235, Magnum MMG235 Super Start, John Deere PE4045HF285 engine, John Deere PE6068HF485 engine
Before you start
- Never change voltage while engine is running.
Procedure
- Shut down generator; main breaker and control power OFF.
- Remove reconnect box door.
- Remove all 1/2 inch nuts holding shorting board.
- Move board to upper position for 208/120V 3Ø.
- Move board to lower position for 480/277V 3Ø.
- Replace hardware and tighten to 25 ft-lbs.
- Reinstall reconnect box door.
- Start generator and verify voltage.
Tools required
- Wrench Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 25 ft-lbs
Source: Magnum 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.