WHEEL ASSEMBLIES.

TM 55-1740-200-14

4 - 6 1 7 . FRAME AND BRACKETS ASSEMBLY.

(22) with twelve screws (19). Place hub (22) over spindle

(76) rotating it back and forth carefully over packing

4-618. REASSEMBLY. See figure 4-49 and reassemble

(72). Press outer bearing (15) onto spindle (76) barrel.

the frame assembly as follows: -

Install screw (73), nut (75) and washer (74).

a. Assemble frame plate (154) to frame rails (163) and

j. Install packing (13) in groove of plate (12) with lip

secure with eight screws (155) washers (156), and nuts

towards outside of wheel. Install shims (14), plate (12)

(157). Attach bracket (158) to frame with four screws

and lock plate (10) using screws (11).

(159), washers (160) and nuts (161).

NOTE

b. Insert two grommets (153) in frame. Install four

shock absorber brackets (149) and secure each with two

Do not bend ears of lock plate (10) until after

screws (150), washers (151), and nuts (152). Secure

adjustment.

mounting brackets (142, 147 and 148) with four screws

(143 and 144), washers (145), and nuts (146). Attach

k. With hub (22) at right angles to stub (82) to rotate

support bracket (141) and mounting bracket (137) with

hub (22). The bearings (15) are properly adjusted when

four screws (148), washers (139) and nuts (140).

there is only a slight drag when rotating hub (22) and

when no end play can be felt when pushing hub (22) in

c. Install cab support (131) and secure with four

and out. If there is not a slight drag, add shims (14) and

screws (132), wedge washers (134), washers (135), and

if there is too much drag, remove shims (14).

nuts (136). Attach mounting bracket (127) with two

screws (128), washers (129), and nuts (130). Install spark

1. Press bushings (7 and 8) into ring (9). Assemble

arrestor (123) and secure with one loop clamp (124), two

yoke (6) to ring (9) with pins (5) and spring pins (4).

washers (125) and nuts (126). Install pipe plug (122) in

spark arrestor (123).

NOTE

d. Slide exhaust pipe assembly into spark arrestor

Ensure the beveled side of pin (3) is away

(123) and secure with clamp, U bolt (119), two washers

from yoke (6) and towards the back of hub

(118) and nuts (117).

(22).

e. Secure steering bracket (111) with five screws (112

m. Install yoke (6) and ring (9) assembly into hub

and 113), two wedge washers (114), five washers (115),

(22) with pins (3) and secure with plugs (2). Ensure the

and nuts (116). Install two step supports (105) and two

slot in pin (3) is in line with stud (21).

supports (106) and (107). Secure each with two screws

(108), washers (109), and nuts (110).

4-613. INSTALLATION. Install the hub assemblies as

outlined in paragraph 4-609.

Attach steering gear bracket (99) with five screws

(100

and 101), two washers (93), five washers (103) and

4-614. WHEEL ASSEMBLIES.

nuts

(104). Assemble two screws (95) washers (96), and

nuts

(97) to bracket (98) and secure bracket assembly

with

one screw (92), washer (93) and nut (94).

4-615. REASSEMBLY. See figure 4-48 and reassemble

the wheel assemblies as follows:

g. Attach cab supports (86 and 87) with four screws

(88), wedge washers (89), washers (90) and nuts (91).

a. Install tire (7) over rim (4). Insert flap (5) into tire

(7) and around rim (4). Insert inner tube, partially

h. Install crossmember (85) and four spring brackets

inflated, into tire.

(80) and secure each with two screws (81 and 82),

washers (83), and nuts (84). Install bracket (79) and four

b. Press tire (7) down around rim and install flange

spring shackle brackets (74) and secure each with two

(3). Ensure flange (3) is securely seated before inflating

screws (75 and 76), washers (77) and nuts (78).

tire. Inflate tire to proper pressure of 20 psi.

i. Insert two bushings (62) in leaf spring (63). Attach

two alinement clips (59) to leaf spring (66) with rivets

4-616. INSTALLATION. Install the wheel assemblies as

(61) Attach two alinernent clips (60) to leaf spring (69)

outlined in Chapter 3, Section VI.

4-127