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Caterpillar 3516C / 3516C Generator Set — Adjusting the Alternator Belt

Adjustments · Alternator drive belt

For the Caterpillar 3516C / 3516C Generator Set, from the Caterpillar operator's manual.

Applies to: Caterpillar 3516C, Caterpillar 3516C engine

Before you start

  • Loose belts reduce efficiency; too tight belts reduce service life

Procedure

  1. Remove the drive belt guard.
  2. Loosen mounting bolt (1), adjusting nuts (2) and mounting bolt (3).
  3. Turn adjusting nuts (2) to increase or decrease drive belt tension.
  4. Tighten adjusting nuts (2), mounting bolt (3) and mounting bolt (1) to proper torque.
  5. Reinstall the drive belt guard.
  6. Check drive belt tension again after 30 minutes at rated rpm for new belts.

Specs & values

  • See Service Manual, Specifications module for proper torque

Full service-parts list: Caterpillar 3516C →, Caterpillar 3516C engine →

Source: Caterpillar operator'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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