Cummins/Onan 4.0 BF-1R/9500 — Starter Removal
Repair & overhaul
For the Cummins/Onan 4.0 BF-1R/9500, from the Cummins/Onan service manual.
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Before you start
- Leave center cap screw loosely in place or blower wheel will fall
Procedure
- Remove blower scroll from front of engine (four screws)
- Remove flywheel with a flywheel puller or loosen center cap screw and strike a blow
- Remove left and right hand air shrouds covering cylinder heads
- Remove exhaust manifold
- Remove blower scroll backing plate (two screws bottom, two on gear cover)
- Disconnect heavy wire connected to starter
- Remove two starter hold-down studs and lift out starter
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
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.