Track Drive Assembly - MTD 500 series Shop Manual

Medium Frame 2 & 3 Stage Snow Throwers

Track Drive Assembly

To remove/replace the Track Drive Assembly:
1. Remove the Tracks by following the procedures
described in the Track removal/replacement section
of this chapter.
2. Remove the screw that secures the Drive Wheel to
the drive axle using a 1/2" wrench.Figure 6.13.
NOTE: Engaging the Drive Control Lever will help
hold the axle while removing the screw that
secures the Drive Wheel.
3. Slide the Drive Wheel off of the axle.
4. Remove the idler holding tool.
5. Remove the three screws that secure the Drive Axle
Bearing Cup using a 3/8" wrench.Figure 6.14.
NOTE: The Track Drive Frame may drop down
when the screws are removed.
6. Remove the Bearing Cup and bearing.
7. Remove the washer that rides in the slot in the
Track Frame.
8. Lower the Track Frame until the back side of the
Front Axle clears the fork of the Height Adjusting
Arm.
9. Slip the frame off of the Rear and Drive Axles.
10. Install the Track Drive Assembly by following the
previous steps in reverse order.
11. Test run the unit in a safe area before returning it to
service.
58
Drive Wheel
Figure 6.13
Bearing Cup
Figure 6.14
Washer
Figure 6.15