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Caterpillar C1.7 / C2.2 — Alternator and Fan Belts - Replace (Single-V Belt)

Maintenance

For the Caterpillar C1.7 / C2.2, from the Caterpillar owner's manual.

Applies to: Caterpillar C2.2

Procedure

  1. If the engine is equipped with fan guards, remove the fan guards.
  2. Loosen bolt (1) and bolt (2) on the adjuster link.
  3. Loosen nut (4) and bolt (5).
  4. Push the alternator toward the engine and remove the belt.
  5. Position the new belt onto the alternator, water pump and crankshaft pulleys.
  6. Slide the alternator away from the engine to tighten the belt.
  7. Tighten bolt (1) and bolt (2) to a torque of 25 N·m.
  8. Tighten nut (4) and bolt (5) to a torque of 25 N·m.
  9. Install the fan guards.
  10. Check the belt tension again after 20 hours of engine operation.

Specs & values

  • New belt tension 400 N to 489 N (90 lb to 110 lb)
  • Bolt torque 25 N·m (221 lb in)

Full service-parts list: Caterpillar C2.2 →

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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