TM 5-4310-360-14
Installation.
d.
4-22. Draincock continued.
(2) Replace draincock if found to be
(1)
Install unloader valve (6, figure 4-6) in
defective.
the air receiver tank (16).
(2) Close draincock (9).
Installation.
c.
Screw draincock (9) tightly to the air
(1)
4-24. Globe Valve.
receiver tank (16).
Removal.
a.
(2) Close draincock (9).
(1)
Release air from the air receiver tank
(16, figure 4-6) by opening draincock
(9).
4-23. Unloader Valve
(2)
Remove hose adapter (13).
General
a.
(3)
Remove globe valve (12) and nipple
The unloader valve is a spring loaded release
(11) from the air receiver tank (16).
valve set to open at 175 psi.
Inspection.
b.
Removal.
b.
(1)
Inspect globe valve for obstructions,
stripped threads, and leaks.
Release all from the air receiver tank
(1)
(16, figure 4-6) by opening draincock
(2)
Replace globe valve if found to be
(9)
defective.
Remove unloader valve (61 from the air
(2)
Installation.
c.
receiver tank.
(1)
Screw globevalve (12) and nipple (11)
tightly to the air receiver tank (16).
Cleaning and Inspection.
c.
(2)
Attach hose adapter (131.
WARNING: Drycleaning solvent, P-D-680,
used to clean parts is potentially dangerous
(3) Close draincock (9).
to personnel and property. Avoid repeated
and prolonged skin contact by wearing
rubber or solvent impermeable gloves when
handling the solvent or material wet with
4-25. Air Receiver Tank.
drycleaning solvent. Wash hands immedi-
ately after exposure with soap and water
Removal.
a.
and use a lanolin based skin cream to
prevent skin drying. Do not use near open
(1 )
Release air from the air receiver tank
flame or excessive heat. Flash point of
(16, figure 4-6) by opening draincock
solvent is 100oF (38C). Ensure that venti-
(9).
lation adequate to reduce solvent vapor
concentrations below acceptable threshold
(2)
Remove safety arid relief valve (5)
limit values is provided.
from the air receiver tank
(3)
Remove air pressure gage (10) from the
( 1 ) C l e a n unloader assembly with cleaning
air receiver tank.
solvent, P D 680, and dry thoroughly.
(4)
Remove draincock (9) from the air
Examine mounting threads for defec-
(2)
receiver tank.
tive threads or cracks.
(5)
Remove hose adapter (13).
Replace
defective
unloader.
(3)
4-22
