MTD 500 series Shop Manual page 132

Medium Frame 2 & 3 Stage Snow Throwers
8. Remove the Pinion Gear Bushing. See Figure
11.24.
To reassembly the Remote Head:
9. Slide the Worm Gear onto the Gear Shaft so that
the alignment marks are facing and in-line with the
holes in the Gear Shaft. See Figure 11.25.
NOTE: If the worm gear is install backwards, the
chute will not have full rotation.
10. Place the washers and hex bushings on the Gear
Shaft.
11. Install the Pinion Shaft Bushing.
12. Install the Gear Shaft so that the holes in the Gear
Shaft are perpendicular to the Gear Support
Bracket. See Figure 11.26.
128
Pinion Gear Bushing
Figure 11.24
Alignment Mark
Figure 11.25
Figure 11.26