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.
c. lnstallation and Adjustment.
(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
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 - 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.