Specifications
113
Vehicle Towing Instructions
MAINTENANCE MANUAL
Previous Tandem Axle, with Driver-Con-
trolled Main Differential Lock (DCDL
— Bolt-On DCDL Shift Assembly) and
with Inter-Axle Differential (IAD)
Before Towing or Drive-Away
1. Park the vehicle on a level surface. Block the
wheels to prevent the vehicle from rolling.
2. Apply the parking brake using the switch in-
side the cab of the vehicle.
3. Shift the transmission into neutral and start
the vehicle’s engine.
4. Shift the DCDL to the unlocked or disengaged
position using the switch inside the cab of the
vehicle. The indicator light in the cab will go
off.
5. Stop the engine.
NOTE:
Remove in this point, only axle shaft (s) show
(s) in table AI, that will remain on the road when
the vehicle is transported.
6. Remove the stud nuts or capscrews and the
washersfromtheangeoftheaxleshaf.FIG-
URE 11.4.
7. Loosenconicalwashers,fromtheangeof
the axle shaf,if used. Figure 11.4. See the
Section 3.
8. Identify each axle shaft to be removed from
the axle assembly so they can be installed
in the same location after transporting or re-
pair is completed.
9. Remove the conical washer, gasket, IF
used, and axle shaft Figure 11.4.
10.Remove the manual engaging capscrew
from the storage hole. The storage hole of
threaded shift assemblies is located in the
shift tower of the differential, next to the cyl-
inder. Figure 11.5.
8. Unlock or disengage the DCDL by removing
the manual engaging capscrew from the shift
assembly.
9. Install the manual engaging capscrew
into the storage hole. The storage hole of
threaded shift assemblies is located in the
shift tower of the differential next to the cyl-
inder. Tighten the capscrew to 15-25 lb-ft
(20-35 N m). Figure11.2.
10. Connect the air hose to the shift cylinder. Tight-
en the air hose to 22-30 lb-ft (30-40 Nm).
11. Install the remaining axle shaft into the axle
housing and differential
12. Check the lubricant level in the axles and
hubs where the axle shafts were removed.
Add the correct type and amount of lubricant
if necessary. See the Section 7.
AXLE SHAT OR
FLANGE
SHAFT
HUB AXLE
STUD
GASKET
PARAFUSO WASHER
WASHER
CONICAL WASHER
STUD NUT
NON CONICAL WASH-
ER RETENTION
CONICAL WASHER RETENTION
Figure 11.4
Table AI
Single
Axles
Remove de left side axle shaft inner side
of the road
Tandem
Axles
Front Axle
Remove the right side axle
shaft, outer side of the road
Rear Axle
Remove the left side axle
shaft, inner inside of the
road