TM 5-4310-356-14
Table 5-1. Troubleshooting (Cont'd)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Figure 5-4. Electric motor and compressor, cleaning, V-belt removal and installation.
WARNING
Dry cleaning solvent, P-D-680, used to clean parts is potentially dangerous to personnel and
property. Use in a well ventilated area as the fumes are dangerous if inhaled. Do not use near
open flame or excessive heat. Flash point of solvent is 100 . -138 . (38 . -59 . ).
F
F
C
C
b. Use a cloth dampened in dry cleaning solvent P-D-680 to remove oil and dust film. If
the belts appear to have been saturated, and the heat has glazed the surfaces of the Vee's,
proceed as follows:
c. Use a medium grade of grit paper (not emery cloth) and rough up the surfaces with
strokes of uneven direction.
d. Wipe off all grit particles. When surfaces have been deglazed, install the belts on
NOTE
When installing new belts, never pry the belts over the pulley grooves.
on the V-belts. Depress one of the V-belts midway between the pulley and flywheel; when
the top lines up with the bottom of the belt next to it under normal thumb pressure the
tension is correct.
CAUTION
Do not adjust the V-belts too tightly as this will overload motor and compressor bearings.
Also check and be sure pulley alinement is maintained.
5-8
