TM 5-4310-276-14
NOTE
This valve is preset at 60 psi (4.22 kg/sq cm). A de-
(2) Remove the safety and relief valve (4)
fective valve should be replaced rather than repair-
from the air receiver tank.
ed.
b. Cleaning and Inspection.
c. Installation. Install the intercooler safety
valve in the compressor cylinder head by turning
the valve clockwise.
Drycleaning solvent, P-D-680, used to
clean parts is potentially dangerous to
personnel and property. Avoid re-
Intercooler and Aftercooler
peated and prolonged skin contact.
Tubes.
Do not use near open flame or exces-
a. Removal.
sive heat. Flash point of solvent is
(1) Release all air from the compressor by
100F (38C).
opening the drain valve on air receiver tank.
(1) Clean all parts in cleaning solvent, item 5,
capscrew and nuts.
App. D, and dry thoroughly.
(2) Inspect all parts for breaks, cracks and
other damage. Replace a defective part.
Do not operate the air compressor
NOTE
with the belt guard removed.
This valve is preset at 200 psi (14.16 kg/sq cm). The
internal parts of the release and safety valve
cannot be repaired. Replace valve is defective.
to release tension on V-belts. Remove V-belts (2).
c. Installation.
(4) Loosen nut (3) and remove flywheel (4)
(1) Install the safety and relief valve (4) in
and key (5).
the air receiver tank (1).
intercooler tube. Loosen tube nuts (2) and remove
aftercooler tube.
4-37. Intercooler Safety Valve.
b. Cleaning and Inspection.
a. Removal.
(1) Drain air from the air receiver tank.
(2) Remove the intercooler safety valve from
Drycleaning solvent, P-D-680, used to
the compressor cylinder head by turning the valve
clean parts is potentially dangerous to
counterclockwise.
personnel and property. Avoid re-
b. Cleaning and Inspection.
peated and prolonged skin contact.
Do not use near open flame or exces-
sive heat. Flash point of solvent is
Drycleaning solvent, P-D-680, used to
100F(38C).
clean parts is potentially dangerous to
personnel and property. Avoid re-
(1) Clean all parts with cleaning solvent, item
peated and prolonged skin contact.
5, App. D, and dry thoroughly. Blow out all grease
Do not use near open flame or exces-
and dirt collected inside the tubes.
sive heat. Flash point of solvent is
c. Installation.
100F (38C).
and aftercooler tube nuts (2).
(1) Wash the intercooler safety valve with
cleaning solvent, item 5, App. D.
Tighten nut (3) to 43 foot-pounds.
(2) Inspect for cracks in the body of the valve.
(3) Install V-belts (2) and adjust tension to
(3) Inspect the threads for wear or damage.
obtain belt deflection of 3/4 to 1 inch midway be-
(4) Replace a defective intercooler safety
tween pulleys. Tighten engine mounting bolts (1).
valve.
capscrew.
