Caterpillar 3512 — Air Starting Motor Lubricator Oil Level - Check
Maintenance
For the Caterpillar 3512, from the Caterpillar owner's manual.
Applies to: Caterpillar 3512, Caterpillar 3512B engine
Before you start
- Never allow the lubricator bowl to become empty
- Do not disconnect or remove hoses or fittings until all pressure has been relieved
Parts for this job
- 1R0719 Oil filter — Caterpillar 3512 eBay $20.00 FridayParts $31.32 KuduParts $58.00
- 3890434 Oil filter — Caterpillar 3512B engine Amazon eBay $82.42 PartsGeek $30.97 NAPA $45.70
Part numbers from the service-parts lists for Caterpillar 3512, Caterpillar 3512B engine. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Observe the oil level in the sight gauge; if less than 1/2, add oil.
- Ensure the air supply to the lubricator is OFF.
- Slowly loosen the filler plug to release pressure from the lubricator bowl.
- Remove the filler plug and pour oil into the lubricator bowl.
- Install the filler plug.
Specs & values
- Use nondetergent SAE 10W oil for temperatures greater than 0 °C (32 °F)
- Use air tool oil for temperatures below 0 °C (32 °F)
Full service-parts list: Caterpillar 3512 →, Caterpillar 3512B 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.