MCi Crusader II 1989 Maintenance Manual page 13

Date Page
1-7
MC-9 MAINTENANCE MANUAL
4. Repeat this procedure by reversing the knuckle for the
lower seal.
NOTE: In the absence of a suitable driver,
do not tap the seal in with a hammer. Set the
seal in the opening and cover it with a rigid
flat metal plate. Tap the plate with a hammer
directly over the seal until the seal is flush
with the machined surface. Do not drive the
seal any further.
If the seal is installed in a knuckle which has .. Easy Steer"
bushings:
1. Follow instructions 1 and 2 for above bronze bushed
knuckles.
2. Using a suitable sleeve and a bronze drift. tap the seal into
the knuckle bore until it is flush with the machined surface as
shown in figure 1-12.
. MACHINED SURFACE
BUSHING
Figure 1-12. GreaH Seal Installed in Knuckle
With "Easy Steer" Bushings.
STEERING KNUCKLE BUSHINGS
The earlier MC-9 front axles have bronze steering knuckle
bushings; the later MC-9 front axles have Rockwell "Easy Steer''
bushings. ·
The tool shown in figure
1-,
3 should be used when remov-
ing or replacing the bushings. The tool shown in figure 1-14
should be used to size the bushings.
Figure 1-13. Tool- King Pin Bushing Removal & Installation.
These tools may be used with either type ·of bushing, but the
diameter of the cutting surface of the reamer will vary. depend-
ing on whether the reamer is used on bronze or "Easy Steer"
type bushings.
DIMENSIONS:
INCHES
A
=
1.774: 0.001
8
=
1.7970: 0.0005 •
8
=
1.7955
t
.0005 ••
C = 1.7915: 0.001
D
= 9.30
MILLIMETERS
A
=
45.0596 : 0.0254
8 = 45.6438
t
0.0127
C = 45.5041 t
0.0254
D
=
236.0
• FOR REAMING BRONZE BUSHINGS .
.. FOR REAMING EASY STEER BUSHINGS.
Figure 1-14. Reamer- King Pin Bushing.
The tools can be made from round steel bar stock. A reaming
tool (part number 20-312) for the "Easy Steer" type bushings
may also be purchased.
di