TM 5-3810-294-34
d. Inspect balls, cages, and inner bearings for
of inner race in ball joint. Slide the inner race onto
rough spots, cracks and damages. Replace all
the shaft until it rests against the retaining ring.
unserviceable balls, cages, and inner bearings.
Compress retaining ring (64) with two screwdrivers
c. Inspect all threads on parts and tapped holes
until the inner race starts on the axle shaft. Then
for damaged or stripped threads. Retap thread if
tap the end of the shaft with a raw-hide mallet to
possible. Replace unserviceable parts.
seat the retaining ring.
16-18. Reassembly
I. Hand pack ball joint with grease by forcing
Refer to figure 16-5 and reassemble the front axle
grease into ball joint and inner race cavities. Hand
assembly as follows:
pack inner walls of trunnion socket (71).
a. Install oil seals (73) in trunnion socket ('71)
m. Install axle shaft (66) into housing through
using a suitable driver. Locate seals squarely
trunnion socket. Install with care to prevent
against the recessed shoulder in the trunnion
damage to oil seal.
socket.
n. Install oil seal (80), retainer (81), and
b. Install trunnion socket in a copper-jawed vise
retaining ring (83). Install bearing (33) on shaft of
and drive bearing (46) on knuckle pins using a
spindle. Install spindle on flange and secure with
suitable driver.
nuts (35) and washers (36). Tighten nuts to a
c. Install flanges (59 and 74) on trunnion socket
torque of 185 to 235 foot-pounds.
(71) and secure flanges together with bolt (401),
o. Press bushings (30) in brake shoes. Install
nuts (42) and washers (41). Tighten screws to a
brake shoe assemblies (27 and 28), camshafts (29),
torque of 92 to 118 foot-pounds. Install bearings
anchor pins (32), and retainers (25). Secure
cups 147) and retainers (45) in flange bores. Install
retainers with bolts (24), nuts (89), and cotter pins
bearing shim packs (48 and 49) and bearing caps
(88). Secure anchor pins with nuts (85) and
((67) on flanges. Secure caps with screws (69) and
washers (84).
washers (68). Tighten screws to a torque of 160 to
p. Install slack adjusters (96 and 97) and secure
2()05 foot-pounds.
with retaining rings (98) and washers (95). Install
d. Install ball stud (59) in steering arm (55) and
brackets (101) and secure with screws (100) and
secure stud with nut (56) and cotter pin (57).
washers (99). Tighten screws to a torque of 160 to
Install steering arm on flanges with shim pack (48
205 foot-pounds. Install brake chambers (102).
and 4'), secure steering arm with nuts (51 and 52)
q. lnstall bearing cups (117 and 31) in wheel hubs
and washers (50 and 53). Tighten nuts to a torque
(21). Install brake drums (22) and hubs (21) and
of 160 to 205 foot-pounds.
secure with nuts (19 and 23). Tighten nuts to a '-
e. Check steering flange for end play and
torque of 160 to 205 foot-pounds.
oscillation. Add or remove shim from shim packs to
r. Install bearing (16) and adjusting nuts (15).
reduce end play and oscillation. After end play has
Tighten the nut while drum is being rotated until
been reduced to zero, remove one 0.005-shim from
nut is tight. Rotate wheel in both directions to make
each shim pack.
sure bearings and related parts are fully seated.
f. After correcting end play, retorque screws and
Back off nut /4 turn to relieve preload on bearings.
nuts. After torquing a small amount of drag should
Check rotating torque with a scale and a wire.
be felt but there should be no binding. Install dust
Preload torque should be 5 to 9 foot-pounds. Adjust
shields (82) and secure with screws (92), washers
preload with adjusting nut. Where preload is
(91) and plates (90).
correct, install washers (13 and 141 and lock nut
g. Mount the trunnion assembly on the axle
(12). Secure load nut with tabs on washer (13).
housing and secure with screws (70), nuts (104)
s. Pack bearings with grease by hand and install
and washers (103). Tighten the nuts to a torque of
packings (11). Install retaining rings (6), washers
116 to 149 foot-pounds.
(5) and packings (4) in driving flanges (7).
h. Install inner race (67) in cage (63) by aligning
Install flanges on hub and secure with nuts (8) and
race teeth with elongated hole in cage. Turn race
washers (9). Install plates (3) and secure with
within cage to a position parallel with cage.
screws (1) and washers (2).
i. Install ball joint (61) in a vise with copper
t. Install tie rod (120) on axle and secure with tie
jaws. Install assembled race and cage in ball joint
rod bolts (75) and nuts (87). Install cotter pin (861.
and tilt into position in ball joint.
16-19. Installation
j. Tilt the cage until one ball (65) can be placed
a. Refer to paragraph 16-13 and install the
in cage. Continue to tilt cage and install balls until
differential assembly on the axle.
all balls are in place in cage.
b. Refer to paragraph 11-11 and install the front
k. Install retaining ring (64) in groove in axle
axle on the crane carrier.
shaft (66). Align splines of axle shaft with splines
16-14
