Spicer Tandem Drive Axles Service Manual D170, D190, and D590 Series - Manual (Page 13)

9
Differential Carrier Assembly
Remove Differential Carrier (Forward and Rear)
Note: The removal of the forward carrier does not require
disconnecting of the inter-axle driveline and removal of the
output shaft yoke assembly as most other Spicer tandems
require.
Standard Differentials
1. Block the vehicle.
2. Drain axle lubricant.
3. Rear Only: Disconnect inter-axle driveline.
4. Front Only: Disconnect main driveline.
5. Front Only: Disconnect differential lockout air line.
6. Disconnect lead wires to the selector switch and air
line at shift cylinder.
7. Remove axle shafts.
Do not lie under carrier after fasteners are removed. Use
transmission jack to support differential carrier assembly
prior to loosening fasteners.
8. To remove axle shaft, remove axle stud nuts.
(If used, remove lock washers and taper dowels.)
9. Remove axle shafts.
Note: All models in this publication use axle shafts with
unequal lengths. Axle shafts may also be location
specific with various wheel equipment. Do not misplace
axle shafts from their intended location. Identify left and
right shafts for reference during reassembly.
TIP: If necessary, loosen dowels by holding a brass
drift in the center of the shaft head and striking drift
with a sharp blow with a hammer.
Do not strike the shaft head with a steel hammer. Do not
use chisels or wedges to loosen shaft or dowels.
10. Remove carrier capscrews, nuts, and lock washers.
11. Remove differential carrier assembly.
WARNING
CAUTION
Differential Carrier
Assembly