INSPECTION (cont) - TM-9-2320-285-24-20273

TM 9-2320-285-24-2

3-28.

STEERING SYSTEM MAINTENANCE (CONT) I

d. Power Steering Gear (cont).

STEP

LOCATION

ITEM

ACTION

REMARKS

INSPECTION (cont)

Screws (3, 7,

Inspect

Replace if worn, or if

(cont)

9, 15, 30,

threads damaged

and 36) and

nuts (14 and

29)

Seals (6 and

Inspect

Replace if cracked, deformed,

44) and 0-

or excessively worn

ring (45)

Rack piston

Inspect

Check that outer ground sur-

(12)

faces are free from nicks

and burrs. Clean up using a

soft hone. Replace rack

piston if cracked, or if

threads are damaged

Ball nut (38)

Inspect

For completeness Replace as

an assembly if ball return

guides (37) or balls (39

and 40) have been removed

from ball nut (38)

REASSEMBLY

Top cover

Seal ring (52)

Install

Retain using clean grease

assembly

(1)

CAUTION

Be sure the cellophane tape and mandrel do not separate from the ball nut (38) in the following step If a ball

accidently falls from the ball nut, replace the ball nut, balls, and ball return guides with a new assembly.

Ball nut (38)

Install

Press small end of mandrel

with ball nut attached

against hole in end of top

cover assembly (1) worm

shaft. Maintain pressure

against mandrel while

rotating ball nut (38)

counterclockwise to install

fully on worm shaft. Then

remove mandrel

3-267