Caterpillar 3512 — Fuel System Primary Filter - Clean/Inspect/Replace
Maintenance
For the Caterpillar 3512, from the Caterpillar owner's manual.
Applies to: Caterpillar 3512
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 or water separator elements.
Procedure
- Stop the engine. Ensure that the engine will not start.
- Shut off the fuel supply valve to the engine.
- Loosen nut (2). Hold filter case (1) and remove nut (2), catching the fuel in a suitable container. Remove the filter case.
- Remove the element and wash it in clean, nonflammable solvent. Allow to dry. Install a new element if damaged or deteriorated.
- Clean the inside of the filter case. Allow the filter case to dry.
- Inspect the seal rings. Install new seal rings if damaged or deteriorated.
- Place the element in the filter case. Slide the filter case over the mounting bolt.
- Install the nut.
- Open the fuel supply valve.
Specs & values
- Do not fill the fuel filters with fuel before installing them
Full service-parts list: Caterpillar 3512 →
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.