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Caterpillar 3044C — Alternator and Fan Belts - Inspect/Adjust/Replace

Maintenance

For the Caterpillar 3044C, from the Caterpillar owner's manual.

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Before you start

  • If belts too loose, vibration causes wear and slipping may cause overheating.

Procedure

  1. Inspect belts for wear and cracking. Replace worn or damaged belts.
  2. For multiple drive belts, replace in matched sets.
  3. Check belt tension: apply 45 N force midway between pulleys; deflection should be 10 mm.
  4. Adjust: loosen mounting bolts (1).
  5. Move alternator (4) to increase or decrease tension.
  6. Tighten mounting bolts (1).
  7. Replace: refer to Disassembly and Assembly, V-Belts - Remove and Install.
  8. After new belts, check tension again after 20 hours.

Tools required

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

Specs & values

  • 45 N force
  • 10 mm deflection
  • 20 hours recheck

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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