TM 5-4310-227-15
b. Disassembly.
exhaust spring (2), and the low-pres-
sure exhaust valve housing (13) on
(1) Remove the pipe plug (10, fig. 3-33)
the low pressure exhaust valve seat
from the lower body (9).
(15) and secure with the lockwasher
(6) and screw (1).
(2) Remove the nut (1) that secures the
spring button (13) and spring (12)
(4)
Install the gaskets (12 and 14) and
to the piston rod (3).
the low pressure exhaust valve as-
sembly in the cylinder (11).
Position the low-pressure intake valve
(5)
d i s k (12), the low-pressure intake
spring ( 2 0 ) , and the low-pressure
i n t a k e valve housing (21) on the
low-pressure intake valve seat (18)
and secure with the lockwasher (17)
and screw (16).
Install the gasket (22) and the low-
(6)
pressure intake valve assembly in the
cylinder (11).
Position the high-pressure exhaust
(7)
s p r i n g (25), the high-pressure ex-
haust disk (24), and the high pressure
exhaust valve seat (23) on the high-
pressure exhaust valve housing (26)
and secure with the screw (1) and
lockwasher (6).
Install the gaskets (7 and 10) and
(8)
the high-pressure exhaust valve as-
sembly in the cylinder.
Install the intake and exhaust mani-
(9)
folds (para 3-79).
a. Removal.
(1) Remove the aftercooler tube (para 3-
(2) L o o s e n the compression nuts (29,
(31) to the unloader valve (34) on
1 Nut, hex, 3/8-24
t h e bushing (25) and remove the
2 Piston rod packing
sensing tube.
3 Piston rod
4 Piston
(3) Remove the unloader valve (34) from
5 Piston packing
the bushing (25).
6 Body seat
(4) Turn the aftercooler manifold (30)
7 Gasket
toward the front of the air compres-
8 Valve
sor so the unloader valve cane be re-
9 Lower body
moved and remove the unloader valve
10 Plug, pipe, 1/4-18
11 Unloader valve body
and pipe nipple (32) from the after-
12 Spring
cooler manifold.
13 Spring button
(5) Remove the nipple (32) from the un-
loader valve.
3-71
