TM 5-3895-379-23-1
0024
TROUBLESHOOTING PROCEDURE
WARNING
Use caution while working under operator platform assembly. Falling platform may cause
injury or death.
SYMPTOM
ALTERNATOR IS NOISY
MALFUNCTION
V-belts Loose or Damaged.
CORRECTIVE ACTION
1.
Raise operator platform (Volume 2, WP 0235).
2.
Check fan V-belts for damage such as cracks to belt fiber, one or more cracks 1/8 inch in depth
or 50% of belt thickness, splits, grease buildup, glazed sides, and peeling.
3.
Attach belt tension gauge to fan V-belts.
4.
Correct belt tension is 80 lb (36.3 kg).
a.
If fan V-belts are damaged, replace fan V-belts (WP 0147).
b.
If belt tension is 50 lb (22.7 kg) or less, adjust alternator V-belt tension (WP 0147).
c.
If alternator is not damaged or loose, remove belt tension gauge from fan V-belts. Go to next
malfunction.
FAN
ASSEMBLY
FAN
FAN
V-BELTS
DRIVE
HOUSING
FAN
PULLEY
T0110SWR
Figure 1.
Engine Fan Assembly.