Checking and adjusting tie rods.

TM 55-1730-227-13&P

3-10. Lubrication and adjustment of wheel bearings (cont).

Before raising one side of the trailer to service wheel bearings, block

both wheels on the opposite side to prevent the trailer from rolling.

NOTE

When removing rear wheel hubs to service wheel bearings, make certain

that parking brake has been released to prevent brake pads from con-

tacting the brake drum.

Block tires on opposite side of trailer to be raised.

b. Raise trailer so that the wheel to be serviced clears the ground, and support

trailer in the raised position.

c . Remove hub cap, cotter pin, slotted nut, and bearing thrust washer.

NOTE

If a rear wheel is being serviced, inspect brake drum and brake linings

for signs of grease.

d . Remove hub and wheel assembly.

e . R e m o v e outer bearing cone from hub.

f . R e m o v e grease seal and inspect for defects. Remove inner bearing cone.

Repack inner and outer bearing cones using automotive and artillery grease,

MIL-G-10924.

h. Replace inner and outer bearing cones and inner grease seal.

Replace hub, wheel assembly and bearing thrust washer. Secure with slotted

nut.

Rotate wheel and tight en slotted nut until a slight drag is felt. Back off

slotted nut about 1/8 turn to the nearest cotter pin slot.

k. Install new cotter pin and hub cap.

Lower trailer and remove wheel blocks.

Checking and adjusting tie rods.

Checking.

(1) Adjust wheel bearings. See paragraph 3-9. Place trailer on level ground

or floor.

(2) Position tow bar so that both front tires are straight, so that if the trailer

were to be towed, it would not turn.

(3) Measure between tread centers at hub height behind tires (measurement A).

3-5