Excessive Belt Noise

CONDITION
^ Excessive belt noise.

POSSIBLE SOURCE
^ Loose belt.
- Use belt tension gauge to measure belt tension. Tighten to specification.

CAUTION: Do not use a pry bar to move air pump.

^ Seized pump.
- Replace pump.

^ Loose pulley.
- Replace pulley and/or pump if damaged. Tighten bolts to 13.6-17.0 Nm (120-150 in lb).

^ Loose or broken mounting brackets or bolts.
- Replace parts as required and tighten bolts to specification.