Spicer Dana Spicer Steer Axles - Service Manaul - Manual (Page 29)

25
Inspection
New Bushing End-Play Verification
Upper Bushing Lateral Inspection
This procedure measures upper bushing wear due to side and
vertical loading.
1. Mount dial indicator on the axle. Reference the upper
part of the steering knuckle.
E Family
EFA, I and D Family
2. Move the tire and wheel assembly in and out with a
push/pull motion and have an assistant record the
dial indicator reading.
3. Replace the upper bushing if readings are in excess
of .008" (0.20 mm).
Lower Bushing Lateral Inspection
This procedure measures lower bushing wear due to side and
vertical loading.
1. Mount dial indicator on the axle. Reference the base
of the lower arm on the steering knuckle.
E Family
EFA, I and D Family
2. Move bottom of tire and wheel assembly in and out
with a push/pull motion and have an assistant record
dial indicator reading.
3. Replace the lower bushing if dial indicator readings
are in excess of .008" (0.20 mm).
Note: To avoid inaccurate measurements, be careful not to let
the knuckle turn while moving assembly in and out.
Applying brakes will help lock wheel assembly.
Note: Locate indicator on a smooth, flat surface for best read-
ing.
1 - Dial indicator
2 - Reference on top lip of steering knuckle
3 - Attach to axle beam
1 - Dial indicator
2 - Reference on top lip of steering knuckle
3 - Attach to axle beam
0
10
20 30
40
50
40
30 20 10
2 1
3
2
1
3
1 - Attach to axle beam
2 - Reference on lower steering knuckle
3 - Dial indicator
1 - Attach to axle beam
2 - Reference on lower steering knuckle
3 - Dial indicator
0
01 20 30 04
50
40 30 20
10
3
2
1
3
2
1
Inspection