TM 5-3895-373-34
2.30
REPLACE/REPAIR PROPULSION PUMP - Continued.
E.
ASSEMBLE.
1.
INSTALL NEEDLE BEARING.
Oils from skin and moisture can cause
corrosion on needle bearings. Do not
handle bearings with bare hands. Wear
cotton gloves when handling bearings.
a.
Place end cap assembly housing on hydraulic
press frame.
b.
Insert needle bearing (124) into end cap
assembly housing.
Ensure printed (numbered) end of needle
bearing faces bearing press pin. Do not
install
needle
bearing
with
printed
(numbered) side down. Damage to needle
bearing and end cap assembly housing
may result from improper installation.
c.
Insert press pin into needle bearing (124),
resting against outer race.
d.
Align needle bearing (124) with bore on inside
end cap assembly housing.
e.
Press needle bearing (124) into position.
f.
Remove press pin from needle bearing (124).
g.
Use a micrometer depth gage and check needle
bearing protrusion from inside surface of end
cap assembly housing. Bearing should protrude
0.08 to 0.10 in. (2,0 to 2,5 mm).
2.
INSTALL SPECIAL SCREW, SERVO STOP, AND
SPRING GUIDES ON SERVO SPRING.
a.
Install one spring guide (121), servo stop (122),
servo spring (123), and second spring guide
(121) on special screw (113).
b.
Install hex nuts (114 and 120) on special screw.
c.
Use a wrench and hold special screw (113) from
’ turning.
d.
Tighten hex nut (114) closest to servo spring
(123) to compress servo spring. Tighten until
light resistance is felt.
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