Cummins/Onan M-1600-2 — Raising the Under-Floor Mount Generator Set
Maintenance
For the Cummins/Onan M-1600-2, from the Cummins/Onan operator's manual.
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Before you start
- Use an adequate floor jack; refer to SPECIFICATIONS for unit weight
- Make sure all components are reinstalled in original places and exhaust system is operation-worthy
Procedure
- Reposition floor jack under reinforcement ribs of drip tray; check for damage to electrical connections and fuel line
- Slowly lift up the generator set
- When set reaches upward limit, re-install support bracket and engage safety hooks
- Apply Loctite or similar thread locking material and install 5/16-inch bolts to 14 ft-lb (19 N·m)
- Fasten or secure any fuel line and exhaust components moved or disconnected
- Fasten battery cables at generator set terminals if disconnected
- Reconnect battery cables at battery: positive lead first, negative ground lead last
- Replenish engine oil if drained; close access door
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Install 5/16-inch FridayParts $221.94 bolts to 14 ft-lb (19 N·m)
Source: Cummins/Onan 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.