Figure 37. Steer Wheel Assembly (Pneumatic Tire)

TM 10-3930-644-14&P

TOPIC 6. STEER WHEELS (PRT)

Figure 37. Steer Wheel Assembly (Pneumatic Tire)

A. REMOVAL AND DISASSEMBLY

CAUTION

Use care when removing bearing

1. Attach a suitable hoist of adequate capacity to

cups to prevent damage to the

the rear of the vehicle and raise it sufficiently so

bearing surface.

the steer wheels clear the floor. Carefully place

sturdy wooden blocks under both sides of the

B. CLEANING AND INSPECTION

frame. Lower vehicle enough to take stress off

the hoist and so the steer wheels clear the floor

1. Wash bearing cones and cups thoroughly with

and the wooden blocks.

solvent to remove grease. Tap the bearing

cones against a block of wood to remove

2. Remove the capscrews and lockwashers that

deposits, and rewash with solvent.

Repeat

secure the hub cap to the wheel and remove the

cleaning process until all old grease and

hub cap (Fig. 35).

deposits are removed.

3. Remove the cotter pin, retaining nut, washer,

2. Wipe the spindle and wheel hub with a soft cloth

and outer bearing cone from the spindle.

soaked in solvent and dry with compressed air.

4. Carefully remove steer wheel and Inner bearing

3. Inspect the bearing cones , bearing cups and

cone from spindle.

spindles, for nicks, scratches, scoring and wear.

Replace damaged or worn parts.

5. If needed, remove bearings cups from wheel by

driving them out with a soft punch.

C. REASSEMBLY AND INSTALLATION

1. If removed, position the bearing cups

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