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  Belt Related Noise Testing and Inspection (Sample Document from Premium area)

  Posted by AMN Admin on May 28, 2021 at 12:05 pm

  IMPORTANT: Keep hands, body parts and tools clear of belt and related parts when engine is running.

  Mark each item OK or FAIL

  With belt installed and engine NOT running inspect for:
  _____ Belt contamination (fluid or other debris)
  _____ Belt cracking excessive
  _____ Belt routing correct (compare with diagram)

  With belt installed and engine running:
  _____ Pulley temperatures excessive (thermal imaging test)

  When belt is sprayed with water:
  _____ Noise decreases or stops (normally caused by misalignment)
  _____ Noise increases (normally caused by lack of proper tension)
  _____ No change in noise level

  With belt removed and engine running briefly:
  _____ Noise is not heard

  With belt removed and engine NOT running:
  _____ Pulleys have excess play when rocked back and forth
  _____ Pulleys make excessive noise when spun by hand
  _____ Pulleys misaligned when checked with alignment tool

  AMN Admin replied 2 years, 11 months ago 1 Member · 0 Replies

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