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 TM 10-3930-632-34
KEY to figure 8-1:
unserviceable parts.
1. Cover
24.
Bolt
2. Horn button
25.
Lockwasher
8-5.
Reassembly
3. Cup
26.
End cover
4. Spring
27.
Gasket
Refer to figure 8-1 and reassemble the steering
5. Cap
28.
Shaft assembly
gear. Note the following:
6. Screw
29.
Bearing cone
7. Retainer
30.
Nut
a.
If the sleeve bearing (43) was removed,
8. Nut
31.
Adjuster
9. Steering handwheel
32.
Spring
position the new bearing on the housing and tap into
10.
Screw
33.
Retainer
place using a light hammer and a soft wooden block.
11.
Lockwasher
34.
Bearing assembly
Install the retainer (42).
12.
Cover
35.
Retaining washer
b.
Insert the ferrule (38) into the shaft assembly
13.
Screw
36.
Adapter
(28); pass the cable assembly (37) down through the
14.
Connector assembly 37.
Cable assembly
ferrule and out the opening provided in the side of the
15.
Nut
38.
Ferrule
shaft assembly. Solder the cable assembly end to the
16.
Bolt
39.
Spring
collar on the shaft. Press the bearing cup (41) into the
17.
Lockwasher
40.
Washer
housing assembly 445). Insert the shaft assembly into
18.
Side cover
41.
Bearing cup
19.
Lash adjuster
42.
Retainer
the housing assembly. Make sure the nut on the threads
20.
Shim
43.
Sleeve bearing
of the shaft is centered before installing the shaft.
21.
Gasket
44.
Plug
c.
Turn the adjuster (31) loosely into the cover
22.
Sleeve bearing
45.
Housing assembly
(26); turn the nut (30) loosely onto the adjuster.
23.
Shaft and gear assembly
Lubricate the bearing cone (29) with light oil. Position
the bearing cone in the adjuster. Position the new gasket
WARNING
(27) and assembled cover on the housing; secure in
place using the bolts (24) and lockwashers (25).
Dry cleaning solvent, P-D-680, used to clean
d.
Insert the lash adjuster (19) into the end of the
parts is potentially dangerous to personnel and
shaft and gear assembly (23) using a shim (20) that
property. Avoid repeated and prolonged skin
allows it to turn, but does not allow any end play. Position
contact. Do not use near open flame or
the cover (18), with bearing (22) installed, on the lash
excessive heat. Flash point of solvent is 100 F.
adjuster; with a screwdriver inserted through the
- 138 F. (39 C. - 59 C.).
threaded hole in the cover, turn the lash adjuster into the
cover as far as possible.
8-4.
Cleaning and Inspection
e.
Lightly oil the gear teeth on the shaft and gear
assembly (23). Place a new gasket (21) on the cover and
a.
Clean all parts of the steering gear in solvent,
position the cover on the housing, being careful to
Federal Specification P-D-680; dry with compressed air.
engage the teeth on the shaft and gear assembly (23)
b.
Inspect all bearings for cracks, binding, rough
with those of the nut on the shaft assembly (28). Secure
operation, flat spots, wear, or other damage; replace
with three bolts (16) and lockwashers (17). Turn the nut
damaged bearings.
(15) onto the lash adjuster.
c.
Inspect the housing for cracks, breaks,
f.
Position the adapter (36), bearing assembly
distortion, stripped threads, or other defects; retap
(34), retaining washer (35), spring retainer (33) and
threads as necessary. Replace housing if damaged.
spring (32) over the shaft assembly and into the housing
d.
Inspect the sleeve bearing (22) in the cover
assembly. Position the steering handwheel (9) on the
(18) for wear, burrs, or scoring; replace if the bearing is
shaft assembly and secure with the nut (8).
damaged.
g.
Position the retainer (7) in the steering
e.
Turn the ball nut slowly up and down the full
handwheel and under the horn contact; secure with the
length of the worm gear on the shaft assembly and
three screws (6). Place the cap (5) over the horn contact,
check for flat spots, rough operation, binding, wear or
and position the spring (4) and cup (3) on the retainer
other damage; replace a damaged shaft assembly.
over the cap. Place the horn button (2) into the steering
f.
Inspect the shaft and gear assembly for
handwheel so that its locking devices are alongside the
scoring, nicks, or worn teeth; replace the shaft and gear
retainer locking devices. Insert two small screw-drivers
assembly if damaged.
into opposite slots in the horn button; press down and
g.
Inspect the springs for distortion, loss of
turn the horn button clockwise until it is engaged.
tension, or other damage; replace the springs if
damaged.
h.
Discard all gaskets, preformed packings, and
8-3
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