Drive Axle Assemblies - MTD 500 series Shop Manual

Drive Axle Assemblies

Split bushings
Figure 6.16
Support Tube
Figure 6.17
Figure 6.18
Key
Hex flange bushing
700 Series 3-Wheel Track-Drive System
To remove the Drive Axles:
1. Remove the Tracks by following the procedures
described in the Track removal/replacement section
of this chapter.
2. Remove the Track Drive Assemblies by following the
procedures described in the Track Drive Assemblies
section of this chapter.
3. Remove the Split Bushings from the Drive Axle
4. Slide one of the large gears inward while gently pull-
ing the axle outward enough to expose the key that
engages the gear. See Figure 6.17.
5. Remove the key.
6. Hold the large gear and pull the shaft from the hous-
ing.
NOTE: Keep track of the order of the washers for reas-
sembly.
7. Remove the large gear and washers.
8. Remove the Support Tube.
9. Repeat steps 4 through 7 for the opposite axle.
10. Remove the hex flange bushings. See Figure 6.18.
NOTE: Examine the removed parts. If failure was do to
something other than normal wear, identify and
correct the cause before returning the snow
thrower to service
11. Install the axle assemblies by following the previous
steps in reverse order.
12. Test run the snow thrower in a safe area before
returning it to service.
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