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 TM 55-1905-220-14-11
5-143. 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
move.
Refer to step 10
rod,
piston,
and
cylinder
sleeve
e.
Allen
1.
Reach into crankcase
head
through bottom plate.
screws
(56),
2.
Remove.
and
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 new power
Use new gasket.
element, gasket (58)
using screws (56)
and lockwashers (57).
5-1508
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