TM-9-2350-277-20-3
CARRIER M113A3, M577A3, M1059A3, M1064A3, M1068A3 AND M58
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 3 OF 6
TM-9-2350-277-20-3 - Page 29 of 941
TM 9-2350-277-20-3
ADJUST GENERATOR DRIVE BELT — Continued
0252 00
ADJUSTMENT
NOTE
To allow for initial belt stretching, make sure belt tension is rechecked after 30 minutes of
operation.
1.
Check generator drive belt (1) for damage. If damaged, replace drive belt (WP 0253 00).
2.
Position lower O-ring (2) on tensiometer (3) at maximum allowable belt deflection of 1/4 inch (0.6 cm) to 3/8 inch
(1.0 cm).
3.
Position upper O-ring (4) on tensiometer (3) to zero.
4.
Place yardstick (5) on pulleys (6) and (7).
5.
Place tensiometer (3) on belt (1) at midspan and at right angle to belt.
6.
Press on top of tensiometer (3) until lower O-ring (2) aligns with bottom of yardstick (5). Remove tensiometer.
7.
Take tensiometer reading at point where upper O-ring (4) stopped. Initial reading must be 15-17 lbs (7-8 kg). After 30
minutes of operation, reading must be 12-14 lbs (5-6 kg).
0252 00-2
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