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 TM 55-1905-219-14-11
5-140. COMPRESSOR - HVAC - MAINTENANCE INSTRUCTIONS
(Continued).
LOCATION
ITEM
ACTION
REMARKS
OVERHAUL (Cont)
11. Unloader
a. Cylinder
Remove.
Refer to step 6.
Power
head
Assembly
b. Discharge
Remove.
Refer to step 7.
valve
c.
Bottom
Remove.
Refer to step 9.
plate
d. Connecting
Remove.
Refer to step 10.
rod, pis-
ton, and
cylinder
sleeve
e. Allen
1. Reach into crank-
head
case through bottom
screws
plate.
(56),
and
2. Remove.
lock-
washers
(57)
f.
Gasket
Remove.
Discard.
(58),
and
unloader-
power
assembly
(59)
g. Unloader
1. Check unloader fork
Take measurement
power
height of a new
from base to
assembly
unloader power
highest point on
(59)
element.
fork arms. This
will ensure even
contact with
unloader sleeve.
2. Install power ele-
Use new gasket.
ment gasket (58),
with screws (56),
and lockwashers (57).
5-1438
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