GMC 1982 Light Duty Truck Service Manual page 255

6. ADJUST WORM BEARING PRELOAD
1. T ig h te n w o rm b earing a d ju ster u n til it b o tto m s then
loosen o n e -q u a rte r tu rn
2. C a re fu lly tu rn the w o rm sh aft all the w ay to end o f travel
then tu rn back o n e -h a lf tu rn
3 T ig h te n a d ju ste r plug u n til to rq u e w ren ch reads 0 6
to 1.0 N m (5 to in. lbs )
8
4. T ighten lo c k n u t using punch against edge of slot.
A D J U S T M E N T S P E C I F I C A T I O N S - M A N U A L S T E E R I N G
A D J U S T M E N T
W orm B e a rin g ........................................................................
O v e r C e n te r P r e l o a d ................................................................0 . 5 - 1 . 2 N - m
Total Steering G ear Preload
M A N U A L S T E E R IN G G EA R
G ear to Fram e Bolts ...................................................................... 95
Pitm an Shaft N ut
..........................................................................................251
Side C over Bolts ............................................................................... 40
Pitm an Shaft Adjusting Screw Locknut .................................
C oupling Flange
T o G e a r
C o u p lin g C la m p N u t ( S t a r f i r e )
Clamp T o Ball N u t Screw
J-21421-01
0 . 6 - 1 . 0 N - m
R E C O M M E N D E D T O R Q U E S P E C IF IC A T IO N S
Pinch ..................................... 40
B o l t
................................................... 70
T O O L S
J-5755
Fig. 3B2-14--M anual G ear O verhual, C hart C
MANUAL STEERING GEAR 3B2-11
T O R Q U E TO
T U R N W O R M S H A F T
................................................................... 5-8 In. Lbs.
................................................................. 4-10 In. Lbs.
in excess of W orm Bearing Preload.
1 .8 N - m ............................................ 16 In. Lbs. M axim um
N-m
34
5.5
J-21421-01 Seal Installer
J-5755 Worm Bearing
J-5822 Worm Bearing
J-5822
FT. LB.
. . . . 70
. . . 185
. . . . 30
. . . . 25
. . . . 30
. . . . 50
4
Cup Installer
Adjuster Cup Puller