5 Assembly and Installation
26
Meritor Maintenance Manual MM-15103 (Issued 07-17)
1. If you are installing a new ring gear and drive pinion, the
correct thickness of the shim pack between the pinion inner
bearing cup and the carrier must be determined. Refer to the
procedure in this section before temporarily assembling and
installing the drive pinion assembly according to this
procedure.
If you are installing the original ring gear and drive pinion,
temporarily install the drive pinion assembly.
2. If removed, use a press and a sleeve to install the inner bearing
cone onto the drive pinion. Place the sleeve onto the inner race
of the bearing. Apply pressure until the bottom of the cone
touches the shoulder on the pinion. Figure 5.4.
Figure 5.4
3. Apply axle lubricant to the bearing cups and cones.
4. If removed, install the shim pack and the inner bearing cup of
the drive pinion.
A. Place the carrier into a press so that the legs of the carrier
are toward the TOP of the press.
B. Install the correct amount of shims into the bore for the
inner bearing cup of the drive pinion. Figure 5.5.
C. Place the cup into the bore. Figure 5.5.
D. Place supports under the differential carrier so that the
carrier is level.
Do not allow the bearing cup installation tool to contact the
active raceway surface during installation. Damage to the
bearing cup can result.
E. Place a sleeve or a bearing driver tool onto the cup and
press the cup into the bore until the bottom of the cup
touches the shims. If a press is not available, use a
sleeve, a brass drift or a bearing driver tool and a hammer
to install the cup. Figure 5.6.
Figure 5.5
Figure 5.6
5. If removed, install the outer bearing cup for the drive pinion.
A. Place the carrier into a press so that the legs of the carrier
are toward the BOTTOM of the press. Place supports
under the carrier so that the carrier is level.
B. Place the outer bearing cup for the drive pinion into the
bore of the carrier.
Figure 5.4
Figure 5.5
Figure 5.6
4011974a
SHIMS
4011976a
PRESS
BEARING
CUP
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