TM 9-2320-289-34
8-4.
POWER STEERING GEAR REPAIR (Con’t).
3 .
Install new “ O“ ring in outer groove (42). Install new teflon ring over top of “ O“ ring. Slide
worm gear (32) completely into rack piston (1 6). Turn worm gear until worm gear groove is
alined with rear ball return guide hole (41).
NOTE
Ensure that silver and black balls (43) are lubricated with hydraulic fluid
and installed alternately into rack piston (16). As balls are installed and
worm gear (32) is rotated, worm gear will be pushed out of rack piston.
4 .
Install 18 balls (43), alternating silver
balls with black balls, through rear
ball return guide hole (41) while
rotating
worm
gear
(32)
counterclockwise.
5.
Install 6 remaining balls (43) in guide
(38), alternating silver balls with black
balls, and retain with petrolatum,
6.
Assemble both halves of guide (38)
together. Install guide into rack piston
(16) and rotate worm gear (32)
clockwise until worm gear is seated in
rack piston.
7.
Install clamp (39) and 2 screws (40).
Tighten screws to 48 lb.-in, (5 Nom).
Install ball retainer tool into rack
piston (16) and remove worm gear
(32). Leave ball retainer tool in rack
piston.
TA50492
8-23
