Spicer Dana Spicer Steer Axles - Service Manaul - Manual (Page 24)

20
Disassembly, Overhaul, and
Assembly
11. Dual draw keys. Remove both draw key nuts. Then
drive key out using a brass hammer and drift.
12. Drive kingpin out with a brass hammer and drift.
13. Remove steering knuckle from axle beam.
Never strike hardened metal parts with a steel hammer or
tool.
Cleaning
After disassembly and before attempting inspection, clean
parts as follows:
1. Steel parts with ground or polished surfaces.
• Wash in suitable cleaning solvent.
• Rinse thoroughly to remove cleaning solution.
• Dry parts with clean rags.
2. Clean castings, forgings and other rough-surface
parts.
• Wire brush or steam-clean areas that are susceptible
to accumulation of mud, road dirt, salt.
Gasoline is not an acceptable cleaning solvent because of
its extreme combustibility. It is unsafe in the workshop
environment.
Kingpin Bushing and Seal Replacement
Removal
1. Remove grease seals from knuckle arms using suit-
able tool.
Remove Kingpin Bushings
2. Drive bushings out of knuckles using suitable piloted
drift.
3. Remove all foreign material from kingpin bore of
steering knuckle and axle beam bore.
4. Wire brush machined surfaces taking care not to
damage them. Clean kingpin bores.
During removal and installation procedures, never use
steel hammer or tool to strike hardened metal parts.
1 - Brass hammer
2 - Drift
2
1
WARNING
WARNING
1 - Pilot
2 - Drift
3 - Steering knuckle
1 - Clean all machined surfaces
1
2
3
1
WARNING