Steering Cylinder - TM-10-3930-630-120097

TM 10-3930-630-12

(d) Lower truck to ground and operate

pins (6).

Refer to paragraph 4-74 to install and adjust drag link to

truck to check tie rod movement and adjustment.

c. Drag Link.

position wheels correctly.

(1) Removal.

(4) Remove caps or plugs from cylinder and

(a) Lift rear of truck and block into

hoses and connect hoses to cylinder fittings.

(5) Check steering cylinder operation as

position. Block rear wheels.

(b) Working under truck, disconnect drag

described in paragraph 4-74.

(6) Check hydraulic reservoir (para 3-18) and

link (3, fig. 4-68) from cylinder.

add hydraulic oil if necessary.

(7) Check hydraulic connections for leaks.

adjusting plug (1). Lift drag link from ball stud on pivot

(8) Lower truck to ground. Operate truck and

arm.

(d) Loosen nut (4) and unscrew drag link

again check steering operation.

from steering cylinder.

4-77.

Steering Wheel

(2) Inspection and Repair.

(a) Remove adjusting plug (1, fig. 4-58)

a. General. The steering wheel is mounted at the

and remove ball seat, spring and link plug from socket.

(b) Inspect ball seat, spring and adjusting

top of the steering column above the instrument panel

Rotation of the wheel actuates the steering valve and

plug for wear and damage.

operates the steering cylinder.

b. Removal

damage.

(d) Replace unserviceable parts.

(1) Remove horn cover (1, fig. 4-59) by

(3) Installation.

pressing down and turning counterclockwise.

(a) Install plug, spring and ball seat in

(2) Remove horn button (2), contact cap (3)

spring (4) and cup(5) from steering wheel

socket. Install adjusting plug (1, fig. 4-58) in socket but

(3) Remove screws (6) and disconnect wire (8)

do not tighten.

(b) Install drag link on steering cylinder

from contact plate (7). Remove contact plate

(4) Remove nut (9) and lockwasher (10) from

(5) by screwing on cylinder rod.

steering column. Use a suitable puller and remove

steering wheel (11) from column.

arm.

c. Installation.

(d) Refer to paragraph 4-74 and adjust

(1) Install steering wheel (11, fig. 4-59) on

steering cylinder and drag link. Install cotter pin (2) to

splines of steering column and push or tap in place.

secure adjusting plug.

(e) Lower truck to ground Operate truck

Secure wheel with nut (9) and lockwasher (10).

(2) Install wire (8) on contact plate (7) and

and check steering cylinder action.

secure contact plate with screws (6).

4-76.

Steering Cylinder

(3) Install cup (5), spring (4) and cap (3) under

horn button (2). Install cover (1) in steering wheel by

a. Removal

pressing cover down and turning clockwise

(4) Depress horn button to check horn

(1) Lift rear of truck and block in position.

operation

Block front wheels.

(2) Disconnect hoses from steering cylinder (5,

4-78.

Steering Axle

fig. 4-58). Cap or plug hoses and fittings to prevent

entrance of foreign material into hydraulic system.

a. General. The steering axle is mounted under

(3) Remove cotter pin (2) and loosen adjusting

the rear of the truck. It mounts the rear wheels and tie

plug (1) and lift drag link (3) from pivot arm ball stud

rods.

(4) Support cylinder and remove cotter pins

b. Service

(6). and washers (7). Tap or drive pin (8) from frame

(1) Inspect steering axle for secure mounting.

bracket and cylinder.

(2) Check steering axle by pressing axle and

(5) Remove cylinder from truck. Loosen lock

attempting to shift axle in mounting. There should be no

nut (4) and remove drag link from cylinder.

b. Installation.

end play of axle. If axle shifts, loosen lock nut on

adjusting screw at rear of truck.

Turn screw

(1) Install drag link (3, fig. 4-58) and lock nut

counterclockwise to tighten axle in mounts. Tighten lock

(4) on threaded end of cylinder rod. Do not tighten lock

nut.

(3) Service the axle by lubricating. Refer to

(2) Install cylinder and drag link in truck with

current Lubrication Order for points of lubrication and

cylinder in line with hole in frame bracket. Secure

intervals.

cylinder to bracket with pin (8), washer (7) and cotter

4-69