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 TM 55-1905-220-14-11
5-143. COMPRESSOR-HVAC-MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
OVERHAUL (Cont)
NOTE
Attempting to clean a lightly scored bearing head can
seriously affect pump operation and cause failure of a new
pump.
End play is critical for proper pump operation. Take
extreme care to insure proper end play.
f.
Bushing
1.
Install new bushing
Bushing oil
(69)
by pressing bushing
groove must be
into bearing head
located at top
(61) from bearing
of bearing head.
end with small end
toward pump.
2.
Insure sufficient
clearance for pump
by tapping bushing
lightly toward bear-
ing end of bearing
head.
3.
Place a .001 inch
circular shim
against bushing.
g.
Idler
Install.
(67),
and
rotor
(68)
h.
Oil pump
1.
Assemble.
Use new gasket.
cover
(65),
2.
Install screws (63),
and
and lockwashers (64).
gasket
(66)
3.
Tighten to 12 to 16
lb. ft. (16.3 to
21.7 Nm) torque.
5-1512
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