INSPECTION - TM-10-3930-607-150201

STEERING

6. Remove ball return guide clamp and guides from

ball nut. Turn ball nut over to remove balls and remove

ball nut from the steering shaft worm.

D. INSPECTION

1. Clean and inspect all ball and roller bearings and

races including race in housing.

2. Inspect pitman shaft bushings in gear housing

and side cover, Replace bushing in housing and replace

side cover if bushings are worn excessively.

3. It is advisable to replace pitman shaft grease

seal in housing to avoid leakage of lubricant. Seal must

be Installed with feather edge toward inside of housing.

4. Inspect steering shaft for wear or pits in bearing

races which would require replacement of shaft. Check

shaft for straightness.

5. Inspect teeth of ball nut and pitman shaft. If

scored or excessively worn it is advisable to replace

both parts to insure proper mating of teeth,

6. Check serrations of pitman shaft; if twisted,

replace shaft.

7. Check fitted pitman shaft adjusting screw and

shim in slot in end of pitman shaft. With shim in place,

screw head must be free to turn in slot with zero to .002

end play. If end play Is excessive, selectively fit a new

shim which is furnish-in four different thicknesses.

Figure 13.

8. Inspect steering column jacket for distortion, A

3. Remove pitman shaft from housing using care

ripple or wavy feeling in jacket surface, particularly at

that threads do not damage seal in housing.

lower end, would usually indicate a sprung jacket,

Replace jacket if sprung or otherwise damaged.

4. Loosen worm bearing adjuster locknut and

remove adjuster and lower bearing,

9. Inspect control shaft bearing in tube of gear

housing and steering shaft upper-bearing in control lever

5. Push worm and shaft with ball nut through

housing support. Replace worn or damaged parts.

bottom of housing and remove upper bearing.

B-165