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 TM 55-1905-220-14-6
3-169. LUBE OIL PUMP - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
INSPECTION (Cont)
b. Gears
Gears should
have a free-
running fit
(not loose)
in the pump
housing. If
the gear teeth
are scored or
worn, refer
to Direct
Support
Maintenance.
INSTALLATION
3.
a.
Oil
Hold the pump assembly
pump
against the main bear-
(14),
ing caps so the idler
and
gear meshes with the
shim
driving gear on the
(15)
crankshaft.
b.
Screws
Insert the four bolts
(12),
with lockwashers thru
and
the mounting feet of
lock-
the pump and into the
washers
bearing caps. Align
(13)
the pump so that the
teeth of the crankshaft
gear and the idler gear
are parallel; then
tighten the bolts to
35-39 ft-lb (47.8-53.2
Nm) and check clearance
between the gear teeth
with a feeler gage.
Proper clearance between
the crankshaft gear and
the idler gear is .005
inch (0.013 cm) minimum -
.012 inch (0.030 cm)
maximum.
3-2866
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