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Caterpillar — Belt Tensioner - Inspect

Maintenance

From a Caterpillar owner's manual covering: 3126B, 3126B Petroleum Engine, Z2A1-Up. Check it applies to your exact model before use.

Applies to: Caterpillar 3126B

Before you start

  • Use of standard belts on this engine may cause an explosion. Only non-static belts should be used.

Procedure

  1. Remove the belt.
  2. Inspect the belt tensioner for unusual noise, excessive looseness and/or shaking of the bearings.
  3. Inspect the other pulleys and idlers for unusual noise, excessive looseness and/or shaking of the bearings.

Full service-parts list: Caterpillar 3126B →

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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