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Caterpillar 3512 — Engine Oil and Filter - Change

Maintenance · Engine lubrication system

For the Caterpillar 3512, from the Caterpillar owner's manual.

Applies to: Caterpillar 3512

Before you start

  • Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact the skin.
  • Do not fill the oil filters with oil before installing them.

Parts for this job

Part numbers from the service-parts list for Caterpillar 3512. Verify against your serial number before ordering; some links are affiliate links.

Procedure

  1. After the engine has operated at normal operating temperature, STOP the engine.
  2. Drain the oil according to the equipment on the engine. Open the oil drain; after draining, close it.
  3. Remove the oil filter with a 1U-8760 Chain Wrench.
  4. Clean the sealing surface of the mounting base. Ensure all of the old gasket is removed.
  5. Apply clean engine oil to the gasket of the new oil filter.
  6. Place the oil filter in position. Tighten until the gasket contacts the base, then hand tighten an additional 3/4 turn (270 degrees).
  7. Cut the used filter element open with a 4C-5084 Oil Filter Cutter. Inspect the pleats for metal debris.
  8. Remove the oil filler cap. Fill the crankcase through the oil filler tube only.
  9. Clean and install the oil filler cap.
  10. Close the fuel supply line and crank the engine until the oil pressure gauge indicates 70 kPa (10 psi). Open the fuel supply line.
  11. Start the engine and operate at low idle for two minutes. Inspect for oil leaks.
  12. Stop the engine and allow the oil to drain back into the sump for a minimum of ten minutes.
  13. Check the oil level and maintain to the FULL mark on the ENGINE STOPPED WITH OIL COLD side.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • Oil filter tightening: 3/4 turn (270 degrees) after the gasket contacts the base
  • Cranking oil pressure: 70 kPa (10 psi)
  • Do not crank the engine for more than 30 seconds; allow the starting motor to cool for two minutes

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.

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