Assembly. - TM-10-3930-618-340125

g. Cleaning and Inspection.

(4) Install adjusting springs (28), ball seats

(29), and plugs (30) in tie rods.

(1) Clean all parts with cleaning compound,

(5) Install tie rods on spindles (1 and 15) and

solvent (Spec. P-S-661).

pivot arm (22).

(2) Inspect all moving parts, bearings, and

(6) Tighten adjusting plugs (30), then back off

attaching parts for wear, corrosion, or other damage.

enough so there is some end play. Then secure plugs

(3) Worn or deteriorated parts must be

with cotter pins.

replaced as authorized.

h. Assembly.

(7) Secure tie rod ends to axle with flat

washer, nuts, and cotter pins.

(1) Refer to figure 5-10 and assemble and

(8) Lubricate tie rod ends and rods (TM 10-

install as follows:

3930-618-20).

(2) Install king pins (18) and spindles (1 and

k. Installation. Refer to paragraph 2-14 for steering

15) as follows:

(a) Install lubrication fittings and needle

axle installation.

l. Adjustment.

If the steering system should

bearings (14) in axle (8).

(b) Aline spindles (1 and 15) and thrust

require adjustment, the following procedure should be

followed:

washers (17) in axle and tap in king pins (18).

(1) Raise the rear end of the truck so that the

steer wheels clear the floor. Block in position.

15 ) and tap in pins ( 16) to secure king pins.

(2) Disconnect the steer cylinder from the

(d) Install expansion plugs.

pivot arm.

(e) Lubricate assembly (TM 10-3930-

(3) Turn the steer wheels full right and full left.

618-20).

Measure the distance between the wheel and the axle at

i. Install pivot arm (22) in axle (8) as follows:

both wheels. Clearance should be at least 1/2 inch.

(1) Install lubrication fittings and pack

While holding this distance, adjust the spindle stops to

bearing cones (11 and 21) with grease (GAA).

allow approximately 0.030 inch clearance between the

(2) Install retaining ring (9) and bearing cups

stop and the spindle (fig. 5-11).

(10 and 20) in axle (8), if they are removed.

(4) Center the steering gear.

Count the

(3) Press bearing cone (21) on pivot arm (22).

number of turns of the steering wheel from extreme right

(4) Install pivot arm (22) in axle (8), firmly

to extreme left, or vice-versa. Turn the steering wheel

seating bearing cone (21) in bearing cup (20).

back half this number of turns to its mid-position of

(5) Press bearing cone (11) into bearing cup

travel.

(10) at bottom of axle.

(5) Set the steer wheels straight ahead,

(6) Slide washer (12) on pivot arm (22) and

parallel with the sides of the truck frame. It may be

secure assembly with nut (13). To preload bearings,

necessary to adjust the tie rods to obtain this position,

torque nut to 20-30 foot pounds. Stake nut to hold in

as zero degrees toe-in must be maintained at all times.

position.

(6) With the steering gear centered and the

(7) Lubricate cavity with grease (TM 10-3930-

steer wheel correctly positioned, loosen the clamp bolt at

618-20).

the plunger end of the steer cylinder and with an open

(8) Install lubrication fitting, self-aligning

end wrench turn the plunger in or out of the clamp so

bearings (3), and spacer (4) in housing (6).

that the socket at the pivot arm end of the steering unit

(9) Lubricate housing (6) (TM 10-3930-618-

will be correctly aligned with the ball on the pivot arm.

20).

Screw in the plug and install the cotter pin. The steering

j. Assemble and Install Tie Rods (2 and 26) as

cylinder plunger will be half-way out of the cylinder.

follows:

(7) Start the engine and check the steering

(1) Install lubrication fittings on rods (2 and

system. With all adjustments correctly made, the wheel

26) and tie rod ends (24).

spindles should contact the stop screws on the axle to

(2) Install tie rod ends in rods and tighten jam

prevent the piston from bottoming in the steering

nuts (25).

cylinder. This prevents excessive thrust and cramping of

(3) Install covers (23) on tie rod ends.

the steering linkage and excessive relief valve operation.

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