TM 5-4310-373-14
This task covers:
The adjustment of the V-belt tension.
INITIAL SETUP
Equipment Condition:
Tools:
Compressor Unit OFF
Main power OFF
Materials/Parts:
None
Approximate Time Required (minutes):
Personnel Required:
10
1 Mechanic
REMARKS
ACTION
LOCATION/lTEM
Remove.
1. Belt guard cover
Loosen 4 bolts.
2. Electric motor mounting
bolts (2)
Figure 4-46. Motor mounting tighten
Belt tension is right when belts move 1/2 inch when
Electric motor (1)
Slide in direction of arrows
3.
pushed on half way between pulley and flywheel.
and adjust position for
proper belt tension.
Tighten when proper belt
4.
Electric motor mounting
tension is achieved.
bolts (2)
CAUTION
Too little belt tension causes
belts to overheat and wear out
prematurely. Too much ten-
sion causes bearing wear in
motor and compressor.
5.
Install.
Belt guard cover
Figure 4-47. V-belt tension
4-38
