Caterpillar C15 / C15 Generator Set — Fuel System - Prime
Maintenance
For the Caterpillar C15 / C15 Generator Set, from the Caterpillar owner's manual.
Applies to: Caterpillar C15, Caterpillar C1.5 engine
Before you start
- Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire. Turn the start switch off when changing fuel filters.
Procedure
- Unlock the fuel priming pump by turning the handle counterclockwise. Move the plunger in and out until strong pressure is felt and the check valve clicks. Lock the pump.
- Crank the engine after the system is pressurized.
- If the engine does not start, repeat Steps 1 and 2.
Specs & values
- Do not crank the engine continuously for more than 30 seconds. Allow the starting motor to cool for two minutes before cranking again.
Full service-parts list: Caterpillar C15 →
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.