Spicer Dana Spicer Steer Axles - Service Manaul - Manual (Page 27)

23
Disassembly, Overhaul, and
Assembly
Disassembl
y, Overhaul,
and Assembl
y
Steering Knuckle Assembly
Note: Always replace kingpin, thrust bearing and bushings if
any component is faulty.
1. Before installing the kingpins, lubricate inside of
bushing and outside of kingpins with Fleetrite EP2
Moly Grease or equivalent NLGI No. 2 multipurpose
lithium grease to provide initial lubrication.
2. Make certain that kingpin hole in axle center is clean
and dry.
3. There may be two styles of thrust bearings. One type
is installed on thrust bearing with seal on top, as
show in the following figure. Position and support
the steering knuckle assembly on the axle end.
4. The second style thrust bearing is a one piece design
with seal LIP installed TOWARDS the bottom of the
knuckles as show in the following figure.
5. Slide the thrust bearing between the lower face of
axle center and lower steering knuckle yoke.
6. Align the steering knuckle yoke holes with axle and
thrust bearing holes.
7. Pre-adjust knuckle vertical play by wedging the
steering knuckle up and filling the gap at the top side
of the knuckle with shim(s).
Note: Floor jack can be used to wedge up steering knuckle.
8. Install kingpin from the top with notch and draw key
hole aligned. Hand start pin in bushing.
1 - Seal cap
2 - Thrust bearing
1 - Steering knuckle
2 - Thrust bearing
3 - Axle beam
1
2
1
3
2
1 - Install shim(s) as needed
2 - Shim only top of knuckle
1 - Kingpin
2 - Steering knuckle
Never shim on the bottom side of the beam.
1 2
1
2
CAUTION