EXHAUST SYSTEM REMOVAL.

TM 10-3930-623-34

4. With block upside down on a clean surface,

2. Loosen capscrew (2, figure 4-32) securing

remove screws (32 and 33) and remove main bearing

steering column flexible coupling (6).

caps (25, 26, 27 and 28). Remove main bearing inserts

3. Disconnect horn button lead at suitable point.

(34, 35 and 36) from caps, lift out shaft (37) and remove

4. Support direction control lever by wiring to

upper halves of main bearing inserts.

overhead guard. Remove capscrews and lockwashers

securing lever bracket and remove from steering

column.

NOTE

5. Remove steering column bracket clamp (17,

Tag main bearing inserts to insure

figure 4-31) and remove steering column (22).

returning to proper position if bearing

inserts are to be reused.

4-111. INSTALLATION.

4-104. EXHAUST SYSTEM REMOVAL.

1. Assemble steering column flexible coupling (6,

figure 4-32) to splined end of the steering gear. Tighten

NOTE

clamp capscrew (2).

The

muffler

nested

within

2. Holding steering column (22, figure 4-31) in

counterweight. See TM 10-3930-623-

place, assemble bracket clamp (17) with previously

12 for removal and installation of

removed attaching parts.

overhead guard and counterweight.

3. Assemble direction control lever to steering

1. Remove clamp (8, figure 4-29) and flexible pipe

column. Reconnect horn wire lead.

(7) located between manifold elbow (9) and exhaust pipe

4. Replace floor plate, see paragraph 4-20.

(3).

2. Remove nut (10), washer (11), exhaust manifold

4-112. POWER STEERING GEAR.

elbow (9) and gasket (12) from exhaust manifold.

3. Remove screws (4), lockwasher (5), and flat

4-113. REMOVAL

washer (6) attaching the exhaust pipe (3) to truck frame.

4. Remove muffler (1) and pipe (3). Remove

1. Remove steering column, see paragraph 4-113.

clamp (2) and tube from muffler.

2. Carefully remove power steering system

pressure and return lines at steering gear. Plug or

otherwise cover ends of lines and ports of steering gear

4-105. Deleted.

to prevent entrance of dirt.

3. Remove nut securing drag link ball joint to

4-106. Deleted.

steering lever (26, figure 4-32); and, with suitable tool,

press ball stud from lever. The ball stud is tapered,

4-107. Deleted.

thereby requiring a tool to facilitate separation.

4. Remove capscrews (23 and 24, figure 4-31) and

4-108. STEERING CONTROL SYSTEM.

llockwashers (25) attaching steering gear to chassis.

The steering control system shown in figure 4-30

Remove gear to clean area.

is not subject to complete periodic overhaul.

The

following instructions are for removal of component units

4-114. DISASSEMBLY.

Complete disassembly of

as necessary.

steering gear at one time is not an overhaul operation.

The following instructions present complete information

necessary to correct any malfunction of the gear. Before

4-109. STEERING COLUMN.

beginning repairs, diagnose the probable cause of

malfunction by referring to the troubleshooting chart for

4-110. REMOVAL

the steering gear (figure 7-11) at the end of the steering

1. Remove floor plate, see paragraph 4-19.

gear repair instructions. Limit disassembly to necessary

operations.

4-33