MTD 500 series Shop Manual page 60

Medium Frame 2 & 3 Stage Snow Throwers
3. Place the Rear Wheel into its groove in the Track.
4. Slide the Rear Wheel onto the Rear Axle with the
Track. See Figure 6.9.
5. Install the retaining nut a couple of threads deep.
IMPORTANT: Do not tighten the nut.
6. Repeat steps 2 through 5 on the opposite Track.
7. Lift the rear axle evenly to install the J-bolts.
NOTE: A pair of Quick Grip bar clamps in spreading
mode work well for this. See Figure 6.10.
8. Install both J-bolt nuts a couple of thread deep.
IMPORTANT: Do not tighten the nuts at this time.
9. Remove the bar clamps.
10. Tighten both J-bolt nuts simultaneously, until the
ends of the J-bolts extend 0.9" from the frame. See
Figure 6.11.
56
Groove
Figure 6.9
Quick Grip bar clamps
Figure 6.10
0.9"
Figure 6.11