9.1 OVERVIEW
The front axle is steerable and rigidly at-
tached to the frame
The rear axle is a steerable, drive axle at-
tached to the frame by an oscillating center
mount.
Before beginning any repair, review the
Clark-Hurth (Dana) manual for guidelines.
These are provided to emphasize the need
for attention to detail and care when servic
-
ing the axle assembly.
9.2 CHANGING AXLE OIL
The rear axle has three drain plugs: one on
outside of each wheel end and one on axle
housing. The wheel end drain plugs are
also fill plugs.
1. Move tractor to a level surface. Shut off
engine and set parking brake.
2. Raise tractor and set on suitable sup-
ports. Make sure tractor is level.
3. Remove wheels from axle.
4. Using a clean rag and wire brush, thor-
oughly clean dirt and rust from around
the three drain plugs, axle housing fill
plug, and axle breather.
5. Place a catch pan under each drain plug.
6. To drain wheel ends, rotate wheel end
until plug hole is at its lowest position.
7. Remove each drain plug. Inspect and re
-
move metal particles from axle housing
plug. Normally, these particles are very
fine. If they appear to be irregular or of a
large size, there may be damage inside
axle. Notify your supervisor of this condi
-
tion.
8. When oil has drained, replace and
tighten axle housing drain plug.
9. Turn wheel ends so plug holes are
above level of axle shaft. If necessary,
M200 MB4 Tow Tractor Manual No. 42975
PAGE 9-2
JULY 15, 2001
FIGURE 9-1. AXLE LUBRICATION
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