Caterpillar 3126B / 3126B Industrial Engine — Fuel System - Prime
Maintenance
For the Caterpillar 3126B / 3126B Industrial Engine, from the Caterpillar owner's manual.
Applies to: Caterpillar 3126B, Caterpillar 3126B Industrial Engine engine
Before you start
- Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire.
- Do not crank the engine continuously for more than 30 seconds.
Procedure
- Engines with a fuel priming pump: open the fuel priming pump and operate until a strong pressure is felt. Lock the pump.
- Promptly start the engine. If the engine runs rough, continue operating at low idle.
- If the engine does not start, open the fuel priming pump and repeat.
- Engines without a priming pump: remove the plug to fill the fuel filter; ensure air can vent. Install and clean the plug.
- Start the engine and operate at low idle until the engine runs smoothly.
Full service-parts list: Caterpillar 3126B →, Caterpillar 3126B Industrial Engine engine →
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.