Specifications

Prepare Parts for Reassembly
34 MAINTENANCE MANUAL
1. Clean the oil and dirt from the outer diameters
of the bearing cups and bearing bores in the
differential and bearing caps. There is no spe-
cial cleaning required.
2. Apply axle lubricant to the bearing cones and
the inner diameters of the bearing cups of the
main differential. Do not get oil on the outer
diameter of the bearing cup and do not permit
oil to drip for the bearing bores.
NOTE:
Meritorspecication2297-T-4180adhesive,
will dry in approximately two hours. You
must complete the procedure within two
hours from the time you apply the adhesive.
If this period have passed since applica-
tion, clean the adhesive from the parts and
apply new adhesive.
3. Apply a single continuous bead of the adhe-
sive to the bearing bores in the differential
and bearing caps. Apply the adhesive around
the circumference of the smooth, ground sur-
faces only. Do not place the adhesive on the
threaded areas. Figure 4.10.
4. Install the main differential assembly, bearing
cups and bearing caps. See Section 5.
5.Adjustthepreloadofthedifferentialbearings,
backlash and tooth contact patterns of the
gear set as required. See Section 5.
Differential to Housing Joint Sealing
Procedure Aplication
1. Remove the differential from the housing.
See Section 3.
2. Remove all debris from inside the housing.
3. Use a rotary tool with a scour pad to clean
all silicone residue from the housing and dif-
ferential faces. Figure 4.11. Surfaces must be
clean, dry and free of foreign matter. The sur-
faces must not be oily to the touch.
4.Removemetallingsfromthemagnetsinside
the housing.
5. Use solvent to clean the inside of the housing.
6. Use Loctite ODC Free cleaner or brake clean-
er to clean the housing and differential faces.
7. Dry the housing and differential faces.
8. Use a rotary wire brush to remove any
threadlocker material and clean the capscrew
threads to differential. Use a clean cloth to
wipe the threads.
9. Use a tap to clean the internal threads in the
housing.
CAUTION
New capscrew kits have blue Dri-Loc® STS
threadlocker, an equivalent to Loctite® 242
threadlocker, applied to the capscrews. Do not
remove the blue Dri-Loc® STS threadlocker
from the capscrews. Damage to components
can result.
Figure 4.10
ADHESIVE
BEARING
CAP
MAIN DIFFER-
ENTIAL
Cleaning the housing face with a rotary
tool and a scour pad.
Figure 4.11