TM 5-4320-300-14
4-23. ALTERNATOR AND FAN DRIVE BELTS (CONT)
Location/Item
Action
Remarks
2. Alternator
Remove.
drive belts
3. Cooling fan
Loosen pulley bracket bolts
assembly
and jostle pulley to loosen
bracket.
4. Fan drive belt
Remove.
REPLACEMENT
NOTE
Replace belts as a matched set. The are matched to 0.032 inch (0.013 cm)of their specified center distances.
5. Alternator
Install matched replacement belts. Tighten in
drive belts
position by pulling alternator away from engine.
6. Upper and lower
Tighten.
alternator ad-
justment bolts
7. Alternator
Depress each belt in turn midpoint
drive belt
between pulleys. Belts should
tension
deflect 1/2-3/4 inch
(12.7-19 mm). If belt
tension is incorrect,
loosen adjustment
bolts slightly and
pull alternator away
from engine to tighten
belts, or push it toward
engine slightly to loosen.
Retighten bolts.
4-109