Chevrolet 10 Series 1970 Service Manual page 171

Ball Joint Adjustm ent
Fron t axle b all joint adjustment is g en era lly n ecessary
only when there is e x c e s s iv e play in steerin g, irre g u la r
w ea r on tire s o r p ersisten t loosening o f the tie rod.
1. R aise veh icle on hoist then place jack stands just
inside o f front springs.
2. Disconnect connecting rod and tie rod to allow in­
dependent m ovem ent of each steerin g knuckle.
3. A t top o f knuckle, apply torque wrench to one of the
ste e rin g arm s a t t a c h i n g
torque n ecessary to turn the steerin g knuckle. (See
F igu re 44).
Maxim um torque should be:
15 ft. lb s ...........................................................A x le 44-5B
NOTE:
Knuckle should turn sm oothly through
turning arc but have no v e r tic a l end play.
FREE-WHEELING HUB
The fr e e wheeling hub assem b lies used on the front
w heels are serv ic e a b le .
K 10 Series
Removal (Figure 45 )
1. Turn actuator le v e r to set hub to " L O C K " position
(fig . 46) and ra ise v e h icle on hoist.
F ig . 4 5 —Hub A ssem bly (K -1 0 )
1. S pring R eta in er Plate
2. Pressure Spring
3. In n e r C lu tc h Ring and
Bushing Assem bly
4 . A x le S haft S leeve and
C lu tc h Ring A ssem bly
5. O u te r C lu tc h R e ta in in g Ring
6 . In te rn a l Snap Ring
stud nuts, then check
COMPONENT PARTS REPLACEMENT
7. " O " Ring
8. R eta in ing P late
9. R eta in ing P late Bolts
and Seals
10. A c tu a to r Knob
11. A x le S haft Snap Ring
12. " O " Ring
13. A c tu a tin g Cam Body
IMPORTANT: Tem perature w ill a ffe c t turning
torque considerably.
5. If torque is too low on axle 44-5B, p e rfo rm the
follow in g:
a. Rem ove upper ball stud locknut and co tter pin.
b. Torque b all stud adjusting s le e v e to 50 ft. lb.
c. R ein stall locknut and new co tter pin.
d. Recheck starting torque n ecessary to turn the
knuckle. If there is s till excessive play, retorque
b all stud adjusting sleeve to 60 ft. lbs. befo re
taking furth er steps to c o r re c t condition.
NOTE: If Specifications on torque of steerin g
knuckle on turning
requ ired parts o r make n ecessary adjustments.
e. L o w er veh icle on hoist.
2. Rem ove six retaining plate bolts and rem o ve retain ­
ing plate actuating knob and " O " ring.
3. Rem ove internal snap ring, outer clutch retaining
ring and actuating cam body.
4. R elie v e p ressu re on the axle shaft snap ring and r e ­
m ove snap ring.
5. Rem ove the axle shaft sleeve and clutch ring a s ­
sem bly and inner clutch ring and bushing assem bly.
6. Rem ove p ressu re spring and spring reta in er plate.
Disassembly
1. Rem ove actuator knob and " O " ring fro m retaining
plate, discard " O " ring and replace with a new
" O " ring during assem bly.
2. Slide inner clutch rin g and bushing assem bly fro m
axle sleeve and clutch ring assem bly.
FREE
POSITION
LOCK
POSITION
F ig . 4 6 —Hub Key Positions (K -1 0 )
FRONT SUSPENSION 3-23
a re not adequate replace
CHEVROLET TRUCK SERVICE MANUAL