Caterpillar 3044C — Fuel System - Prime
Maintenance
For the Caterpillar 3044C, from the Caterpillar owner's manual.
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Before you start
- Damage to fuel injection pump, battery, and starter motor can occur if starter motor is used excessively.
Procedure
- Turn key switch to RUN position. Leave for 1 minute.
- Turn key switch to OFF position.
- Loosen flare nuts (1) for high pressure fuel lines on all fuel injection nozzles.
- Operate starting motor and crank engine until fuel is free of air. Do not crank more than 10 seconds; allow starter to cool 30 seconds.
- Tighten flare nuts to 26.5 to 32.4 N·m (19.5 to 23.9 lb ft).
- Operate engine at low idle for minimum five minutes.
Specs & values
- 26.5 to 32.4 N·m
- 10 seconds
- 30 seconds
- 5 minutes
Source: Caterpillar owner'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.