Cummins/Onan — Injectors - Replace (SRT 06-149)

Repair & overhaul · Fuel injectors

From a Cummins/Onan service manual — check it applies to your exact model before use.

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Procedure

1. Disconnect and connect battery cables
2. Drain and refill engine fluids
3. Remove fuel lines as needed
4. Remove fuel injection supply and return lines
5. Remove glowplugs
6. Remove and replace injectors and seals
7. Test run unit

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.

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