Remove And Install Wormshaft And Ball Nut; Disassemble And Assemble Worm Bearing Adjuster; Disassemble And Assemble Wormshaft And Ball Nut - Chevrolet 1991 Light Duty Truck Repair Manual

3B2-4 MANUAL STEERING GEAR
3. REMOVE AND INSTALL WORMSHAFT
AND BALL NUT
REMOVE
1. Loosen lock nut. Use punch
against edge of slot.
2. Remove parts as shown.
NOTICE:
Use care that the ball nut does not run down to
either end of the worm. Damage may be done to the ends of
the ball guides if the ball nut is allowed to rotate until
stopped at the end of the worm.
WORM BEARING
ADJUSTER LOCKNUT
BRASS
D R IFT
Remove bearing cup
from housing only
if necessary.
Remove Cup
INSTALL
1. Install parts as shown.
" I r *
J-35365
Install Cup
Figure 3—Model 535—Chart B
4. DISASSEMBLE AND ASSEMBLE WORM
BEARING ADJUSTER
DISASSEMBLE
1 Pry low er bearing retainer
ou t w ith screwdriver.
2. Remove cup using
J 29369-1 pu lle r and
slide hammer.
WORM BEARING
ADJUSTER
LOWER WORM
/
BEARING CUP
/ LOWER WORM
> / BEARING
5. DISASSEMBLE AND ASSEMBLE
WORMSHAFT AND BALL NUT
DISASSEMBLE
1. Disassemble parts as
shown.
2. Clean and inspect all
parts for excessive
wear.
BALLS
BALL GUIDES
BALL GUIDE
CLAMP SCREW
Installing Balls
ASSEMBLE
Press cup into adjust
using Tool A
Install parts as shown.
LOWER BEARING RETAINER
ASSEMBLE
1. Assemble parts as
shown.
2. Refer to figure 3
(fig. A) for number
of balls used.
BALL NUT
WORMSHAFT
n
Viewed From
Splined End of
Wormshaft
F5904