MCi 102D Series Maintenance Manual page 25

102D SERIES MAINTENANCE MANUAL
NOTE: If one bushing requires replacement, replace
both bushings in the knuckle.
5. Set the dial indicator to zero.
6. Use the pry bar to push the knuckle upward.
Record the reading on the dial indicator.
The reading must be 0.001 to 0.125 inch (0.025 to
0.635 mm) for new or rebuilt axles and 0.001 to 0.065 inch
(0.025 to 1.650 mm) for axles in service (Figure 49).
If the reading is zero, remove the knuckle and remove
the shims from the shim pack. See the Assembly and
Installation subsection earlier in this manual.
It the reading is more than the maximum specification
remove the knuckle and add shims to the shim pack. See
the Assembly and Installation subsection earlier in this
manual.
Upper and lower king pin bushings
WARNING
Support the vehicle with safety stands. Do not
work under a vehicle supported only with jacks;
jacks can slip or fall over and cause serious
personal injury or death.
1. Make sure the vehicle is on a level surface.
2. Place blocks under the wheels not being serviced
to prevent the vehicle from moving.
3. Raise the vehicle so that the wheels to be serviced
are off the ground. Support the vehicle with safety stands.
4. Check the upper king pin bushing for wear. Install
a dial indicator so that the base is on the I beam and tip is
against the side of the top of the knuckle (Figure 50).
01-FRONT AXLE
NOTE: If one bushing requires replacement, replace
both bushings in the knuckle.
away from the vehicle. If the dial indicator moves more
than a total of 0.010 inch (0.254 mm) the upper bushing is
worn or damaged. Replace both bushings (Figure 50).
See the Assembly and Installation subsection earlier in
this manual.
indicator so that the base is on the I beam and the tip is
against the side of the bottom of the knuckle (Figure 51).
FIGURE 50. Dial indicator installation
5. Set the dial indicator to zero.
6. Move the top of the tire side to side towards and
7. Check the lower king pin bushing. Install a dial
August 2000
Date
1B 25
Page