Specifications
Assembly and Installation
80 MAINTENANCE MANUAL
6. On an axle with a driver-controlled main dif-
ferential lock, shift the lock into and hold the
lock in the locked or engaged position. The
locked position provides enough clearance
between the shift collar and the axle housing
for differential installation. See to Section 6.
7.Useahydraulicrollerjackoraliftingtooltoinstall
the differential in the axle housing. Figure 5.103.
• For fasteners with Nord-Lock washers, in-
stall the washers with the radial teeth side
facing the differential. Figure 5.104.
10. Carefully push the differential in the position.
Alternately tighten the four fasteners two or
three turns. Figure 5.105.
11. Repeat Step 10 until the four fasteners are
tightened to the correct torque value.
• For fasteners with standard at washers,
tighten the fasteners to 150-230 lb-ft (204-
312 Nm).
.
• ForfastenerswithNord-Lockwashers,tighten
the fasteners to 210 lb-ft (287 Nm).
.
12. Install the remaining fasteners and the
washers that hold the differential in the axle
housing. Tighten the fasteners to the cor-
rect torque value. See the Section 8.
13. Install the washers and tighten the capscrews
that fasten the output bearing cage to the axle
housing. Tighten the capscrews to 35-50 lb-ft
(48-67 Nm).
.
WARNING
Take care when you use Loctite® adhesive to
avoidseriouspersonalinjury.Readthemanu-
facturer’s instructions before using this product.
Follow the instructions carefully to prevent ir-
ritation to the eyes and skin.
8. Spray the capscrew threads with Loctite®
sealant. Allow the primer to dry for three to
veminutes.
CAUTION
DO NOT USE A HAMMER OR MALLET TO
INSTALL THE DIFFERENTIAL. A HAMMER
OR MALLET WILL DAMAGE THE MOUNT-
ING FLANGE OF THE DIFFERENTIAL AND
CAUSE OIL LEAKS.
NOTE: Nord-Lock washers are reusable, but
replace them if they are leaking
9.Install the nuts and washers or the capscrews
and washers in the four corner locations
around the differential and the axle housing.
Hand tighten the fasteners. Do not tighten to
thespeciedtorque
ROLLER JACK
Figure 5.103
RADIAL TEETH
SIDE
CAM SIDE
Figure 5.104
FASTENER
FASTENER
FASTENER,HIDEN
Figure 5.105