TM 5-3805-261-20
COOLING SYSTEM MAINTENANCE.
6-44.
Fan Belts. (Sheet 3 of 3)
ADJUSTMENT
NOTE
Only one belt is used to adjust belt
tension.
1.
Position belt tension gage on belt farthest
from engine.
2.
Check tension of two new belts (3) with belt
tension gage. New belts should be
tightened to 120 + 5 ft-lb. Used belts should
be tightened to 90 + 10 ft-lb.
3.
Loosen three bolts (6, 7 and 8).
4.
Move alternator (1) on bracket (2) in, to
decrease tension; out, to increase tension
on two belts (3).
5.
Tighten three bolts (8, 7 and 6).
WARNING
Close
screen
and
fasten
before
performing next procedure. Failure to
do so may cause INJURY. If injured,
seek medical aid immediately.
6.
Start engine. Refer to TM 5-3805-261-10.
Operate at high idle for a minimum of 30
minutes.
7.
Stop engine.
8.
Check tension of two belts (3) with belt
tension gage. Make adjustment to correct
tension if needed using procedure in steps 1
thru 7.
NOTE
Return
130G
Grader
to
original
equipment condition.
End of Task
6-157
