Cummins/Onan — Crankshaft - Remove And Install (SRT 01-112)
Repair & overhaul
From a Cummins/Onan service manual — check it applies to your exact model before use.
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Procedure
- Disconnect and connect battery cables
- Drain and refill engine fluids
- Remove generator assembly, flywheel, flywheel housing
- Remove coolant pump drive belt and pumps
- Remove valve cover rocker assembly and cylinder head and gasket
- Remove gearcase cover and oil pan
- Remove pistons and connecting rods and rod bearings
- Remove oil pump, rear main seal carrier, main bearing carrier and bearings
Specs & values
- Standard repair time 14.0 hrs
Source: Cummins/Onan service 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.