STEMCO Qwik Kit King Pin Spindle Conversion Ford and Mack - Manual

Use established procedures for teardown.
Remove steering knuckle from vehicle.
STEERING KNUCKLE PREPARATION
1. Drive out old bushings with a bushing driver.
2. Remove grease fittings and clean out grease
ports. (side spindle grease only)
3. Clean spindle bores and wipe dry.
4. Remove burrs from each bore including the
bores on the axle.
CAUTION: STEMCO Kaiser Qwik kit™ cannot correct worn spindle
bores. Nylon bushing applications: measure the spindle bores for
excessive wear after removing the bushings.
STEMCO Kaiser Qwik kit™ SPINDLE CONVERSION INSTALLATION
1. End plates must fit the surface above the bore for a good seal. Grind
edge of end plates to fit the contour of the surface.
2. Drilling and tapping spindle.
Use end plate as a template for hole location. Locate holes with a
center punch before drilling. (Each spindle top and bottom).
Use a 5/32” drill. Drill hole about 1/2” deep and blowout chips.
Tap each hole with a 10/32” two fluted tap. Check threads with a
cap screw from kit before assembly.
DO NOT PRESS OR DRIVE SPIRAL BUSHING INTO BORE. Bushing
will shear the corner of the bore and set up a burr as the bushing
enters. The bushing will not seat properly and will fail prematurely.
INSTALLING SPIRAL STEEL BUSHING
1. Wipe a small amount of grease in
each spindle bore. Place the tip of the
bushing at a slight angle to the bore.
With a push-in, clockwise twisting
action, the spiral bushing will enter the
bore. Continue with the twisting action
as far as the hand grip will permit.
2. Grip bushing wall with a "T" wrench or narrow
nose pliers away from the tip about 1/2”.
Continue the clockwise rotation to within 1/8"
of end plate surface.
DO NOT GRIP BUSHING ON TIP!!!
3. Tap bushing in the bore flush to the end plate
surface with a brass mallet. The tapping will
allow the bushing to seat itself properly.
NOTE: Spiral steel bushing will not move in the
bore or cause wear to the bores when instructions are followed.
4. Testing before assembly
Wipe bushing I.D. (inside diameter) and test king pin for alignment and fit
in both axle eye and spindle bores. King pin must have a smooth slip fit.
Burrs, grit, and dirt in the spindle bores will cause the bushing to bind
with the king pin. To correct this condition remove bushing with a bushing
driver. Remove obstruction with emery cloth. Wipe clean and reassemble
starting with Step 1.
5. Applications with bushing lip seals
When installing bushing lip seals the metal casing
of the seal must back up to the bushing. The lip of
the seal must face the axle eye from each bore.
(See arrow in drawing.)
After king pin installation is complete and
greased, check the spindle action. If
the spindle will not move from side to
side the bushing seals have been
installed backwards. Tear down, turn
seals around and reassemble.
6. Greasing before assembly
Pack thrust bearings with grease and wipe grease
in spindle bores. Install new grease fittings.
7. Finish assembling in your usual manner
NOTE: Top of king pin is marked "Top," these markings are parallel to
lock flats for ease of installation (straight pin applications).
8. Test spindle movement before final greasing.
Movement should be smooth and uninterrupted.
9. Greasing after assembly
Side spindle greasing: Apply grease until visible from between wear
surface (spindle and axle). The pressure relief valve in the end plates
prevent blowing seals. (top and bottom)
End plate greasing: Grease from each end until grease appears
between wear surface (axle and spindle).
NOTE: The vehicle can be greased without jacking up the front axle
when using Kaiser grooved pins and bushings.
FINAL INSPECTION
Make a final check of the assembly before placing vehicle in service.
NO REAM INSTALLATION
STEMCO Kaiser KING PIN SPINDLE CONVERSION FOR FORD AND MACK
01 577 0054 APRIL 2012
GETTING HELP
USE THE STEMCO Kaiser TECHNICAL SERVICE LINE
888-854-6474
WARNING: STRIKING STEEL PARTS WITH HAMMERS CAN RESULT IN CHIP PROJECTILES, ALWAYS WEAR SAFETY GLASSES TO PROTECT YOURSELF AGAINST INJURY.
STEMCO Kaiser IS NOT RESPONSIBLE FOR ANY INJURY THAT MAY OCCUR DURING THIS PROCESS.
4641 Industrial Drive, Millington, MI 48746 • 888-854-6474 • Fax: 989-871-4640 www.stemcokaiser.com