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 TM 55-1905-221-14-3
6-5.4
STEERING SYSTEM HELM UNIT (Continued)
LOCATION/ITEM
ACTION
REMARKS
INSPECTION
8. Helm Unit
a. Inspect threaded parts for
thread damage.
b. Inspect all moving surfaces
for scoring or abrasions by
dirt particles.
NOTE
Smooth burnished surfaces are normal in many areas.
c.
Inspect springs for loss of
tension.
d. Inspect-drive shaft for
burrs or nicks.
e. Inspect splines on spool
assembly for nicks or
burrs.
REPAIR
9. Helm Unit
a. Replace defective threaded
parts.
b. Replace packing.
c.
Replace other defective
parts as required with a
serviceable-like item.
6-51
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