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TM 10-3930-638-24&P
3-24. STEERING SYSTEM MAINTENANCE (cont)
30
b. Steering Gear (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
REPAIR
Upper cover (14), hous-
Clean up
Place 600 grit abrasive paper on an extreme-
(cont)
ing (43), commutator
ly flat surface. Hold each part so that
ring (8), manifold (9)
contact with abrasive paper is as flat as
and spacer (12)
possible, and lightly stroke 6 to 10 times
across paper as shown. Check lapped face
of each part for small bright areas which
indicate burrs. Replace parts which can-
not be cleaned up. After lapped surfaces
are clean, wash parts with cleaning solvent
P-D-680 and dry thoroughly with mois-
ture free compressed air
REASSEMBLY
31
Housing (43)
NOTE
Do not lubricate parts unless instructed to do so.
a. Spring (42), needle
Position
In cavity of housing (43)
roller (41), and
ball (40)
b. New O-ring (38)
Install and
Until plug (37) is securely mounted
and plug (37)
tighten
c. Two steel balls (36
Position
In cavity of housing (43)
and 39)
d. Plug (37) and new
Install and
Until plug (37) is securely mounted
O-ring (38)
tighten
e. Steel ball (36)
Position
In side cavity of housing (43)
f. Plug (34) and new
Install and
Tighten to 10-14 pounds foot torque
O-ring (35)
tighten
32
Input shaft
a. Thrust bearing (23)
Position
On input shaft
(27) and
and washers (22
spool (30)
and 24)
b. Retaining ring (21)
Install
Use snap ring pliers
3-171
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