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TM 10-3930-664-24
D. REPAIR
Repair of the steering valve consists of removal and
replacement
of
defective,
deformed,
or
damaged
components.
E. ASSEMBLY
1.
Use tweezers or needle nose pliers to lower
retainer (33) into housing (4). Ensure retainer
is straight (not tilted). Install check ball (32).
2.
Install new seals (30, 31) onto check ball seat
(29). Lubricate seat and seals. Install seat into
housing (4), open end of seat first.
3.
Install set screw (28) into housing (4). Use 1/4
inch hex key to torque set screw to 100 in-lbs
(11 Nm).
4.
Assemble spool (24) and sleeve (25), ensuring
spring slots are properly aligned. Some spool
and sleeve sets have identification marks.
Align these marks.
5.
Test spool and sleeve assembly (21) for free
rotation. Spool (24) should rotate smoothly in
sleeve (25) with fingertip force applied at splined
end.
6.
Align spring slots and stand parts on bench.
7.
Assemble all six centering springs (26) on bench
so that extended edges are down and arched
center sections are together.
8.
Insert two outer springs (26) into spring slots of
spool
and
sleeve
assembly
(21).
Insert
remaining springs one at a time between the two
outer springs until all springs are in the spool and
sleeve assembly.
9.
Center spring set in spring slot. Seat springs
evenly, flush with upper surface of spool and
sleeve assembly (21).
10.
Push pin (23) into spool and sleeve assembly
(21) until pin is flush on both sides.
3-152
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