Figure 2-40. Steer wheel. rim tire and tube exploded view.

Figure 2-40. Steer wheel. rim tire and tube exploded view.

and bearings races. Check for excessive wear or

2-58. Bearings and Seals (Steer Wheels

damage. Check grease seals for leaks.

Only)

c. lnstallation and Adjustment.

a. Removal.

(1) Install cleaning cups with the taper to the

(1) Remove the steering wheel (para 2-57).

outside. Tap into place using a brass drift pin. Tap

(2) Remove the hub cap (fig, 2-40).

evenly around the edge of the cup. Use care to prevent

(3) Remove the cotter pin (19) from the bearing

cup from binding.

adjusting nuts (20) and remove the nut and washer.

(2) Lubricate wheel bearings with bearing grease.

(4) Remove the outer bearing cone (2).

(3) Install the bearing cones and hub assemblies

(5) Slide the hub assembly (4) from the steer

in reverse order of rim oval. Hold the hub assemblies

axle spindle.

in position while installing the outer bearings.

(6) Remove the inner bearing cone and grease

(4) Install the washer and nut.

retainer from the hub assembly.

(5) Rotate wheel six times in each direction while

(7) Carefully top both bearing cups (3 and 5)

torquing nut to 50 ft-lbs. Hack nut off to 0-ft-lb. then

from the hub assembly.

retorque to 25 ft-lb. while, turning the wheel. Finally

b. Cleaning and Inspection. Every 1000 hours wheel

hack nut off 30 minimum to 60 maximum and

bearings and races are to be lubricated. Clean bearings

install the cotter pin.

Section XV. MAINTENANCE OF THE STEERING SYSTEM

2-59. General

2 - 6 0 . P o w e r S t e e r i n g Cylinder

The steering system consists of the power steering unit,

a. Inspection. Inspect the steering cylinder, for

power steer cylinder, and the steering axle assembly.

leaks or damaged condition. Replace power steer

The steering axle is located beneath the engine at the

cylinder if damaged.

rear of the truck. The steering unit is mounted in the

b. Removal. Refer to figure 2-41 and remove the

truck chassis in front of the operator.

power steering cylinder.

2-46