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Caterpillar 3412C — Engine Crankcase Breather - Clean

Maintenance

For the Caterpillar 3412C, from the Caterpillar owner's manual.

Applies to: Caterpillar 3412C, Caterpillar 3412C engine

Before you start

  • Perform this maintenance with the engine stopped

Procedure

  1. Loosen hose clamp and remove hose from breather assembly.
  2. Loosen retaining clamp; remove breather assembly and seal.
  3. Wash the breather element in clean nonflammable solvent.
  4. Allow the breather element to dry before installation.
  5. Install clean dry element, seal, breather assembly, clamp.
  6. Install hose and hose clamp; refer to specifications for torques.

Full service-parts list: Caterpillar 3412C →, Caterpillar 3412C 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.

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