Initial Inspection and Diagnostic Overview

1. Verify the customer concern by operating the system.

Visual Inspection Chart:

2. Visually inspect for obvious signs of mechanical damage.
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.

NOTE: Up to 15 cracks in a rib over a distance of 100 mm can be considered acceptable. If damage exceeds the acceptable limit or any chunks are found to be missing from the ribs, a new belt must be installed.

Under no circumstances should the belt or tensioner be lubricated as potential damage to the belt material construction and tensioner damping mechanism could occur.





4. The condition of the drive belt should be compared against the illustration and appropriate action taken.





5. Check the belt for cracks, up to 15 cracks in a rib over a distance of 100 mm can be considered acceptable. If cracks in excess of this are apparent a new belt should be installed.





6. There should be no chunks missing from the belt fibs. If the belt shows any evidence of this a new belt should be installed
7. If the concern is not visually evident, verify the symptom and refer to the Symptom Chart. Symptom Related Diagnostic Procedures