TROUBLESHOOTING PROCEDURES - CONTINUED
Table 1. Engine Troubleshooting Procedures - Continued.
TEST OR INSPECTION
3. Check fan V-belts for damage or 1. If fan V-belts are damaged, replace
10. Engine is Unusually Noisy - Continued.
looseness. Check fan V-belts for
damage such as cracks to the belt
fiber, one or more cracks 1/8 inch 2. If belt tension is 50 lbs or less,
adjust fan V-belt tension (WP
in depth or 50% of belt thickness,
splits, grease buildup, glazed
sides, and peeling. Attach belt 3. If fan V-belts are not damaged or
tension gauge to fan V-belts.
loose, remove belt tension gauge
Correct belt tension is 80 lbs.
from fan V-belts. Go to Step 4.