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TM 10-3930-669-34
12-5.
STEERING CONTROL PUMP REPAIR (CONT).
c.
Assembly.
NOTE
Make sure that check ball retainer sits
straight and is not tilted.
(1)
Install check ball retainer (29) and check
ball (28) in control pump housing (1).
(2)
Install two preformed packings (27) on
check ball seat (26).
(3)
Using a screw, install check ball seat (26)
in control pump housing (1) without
twisting or damaging preformed packings.
(4)
Install setscrew (25) and tighten setscrew
100 lb-in. (11.3 N•m).
NOTE
•
Some spool and sleeve sets are
marked; if present, align marks
as shown.
•
Spool should rotate smoothly in
sleeve
with
fingertip
force
applied at splined end.
(5)
Assemble spool (22) and sleeve (23)
carefully so that the spring slots line up at
the same end. Rotate spool while sliding
parts together.
(6)
Install two sets of three centering springs
(24) with notches facing sleeve (23) and
arched centers back-to-back.
(7)
Center installed springs so that they push
down evenly and flush with upper surface
of the spool (22) and sleeve (23).
(8)
Install pin (21) through spool (22) and
sleeve (23) until pin is flush on both sides.
12-20
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