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 TM 55-1905-221-14-3
6-5.4
STEERING SYSTEM HELM UNIT (Continued)
LOCATION/ITEM
ACTION
REMARKS
DISASSEMBLY (Cont)
5. Check Valve
a. Place housing in vise,
and Centering
control end up and remove
Spring Set
seal plug (14) and packing
(15).
b. Unscrew check valve seat
Use 3/16 hex
(16).
wrench.
c.
Position housing as shown and
tap slightly with heel of
hand.
d. Hold check valve hole towards
lowest corner and remove
check valve seat (16), steel
ball (17), and compression
spring (18).
6-47
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