Ariens Sno-Thro 926 Service Manual page 36

WHEELS AND AXLE
The wheels are held onto the axle with locking pins. To remove a wheel pull the locking pin and the wheel will slide
off.
To remove the axle:
1. Place the unit in upright service position.
20.Remove the bottom plate.
21.Remove both wheels.
22.Drive out roll pin.
23.The axle will slide out either side.
NOTE: Make a record of the positions for the washers and flanges for reassembly.
To install the axle:
1. Slide the axle into the main frame from either direction.
24.Place bearings, washers, and spur gear into the axle in correct order.
NOTE: The spur gear can go on in either way. The nylon flanges must enter into the bushings from the inside out.
25.Insert the woodruff key into the axle and slide the spur gear into position.
26.Move washers into position and drive the roll pins into the axle
27.Replace wheels.
SPROCKET AND CHAIN
A friction wheel is driven and provides power to the axle shaft. Power is transferred using a chain to a sprocket
assembly. To replace the drive chain remove both shafts.
To remove pinion shaft:
1. Place unit in up right service position.
28.Remove wheels and bottom plate.
29.Drive out the two roll pins. These two pins are different in diameter. Make note of which pin is in each hole.
30.Slide the shaft out towards the end with the grease fitting.
NOTE: The components on the pinion shaft can all be removed. The hex shaft must be removed (at least partially)
to remove the roller chain.
To remove the hex shaft:
(see Friction Disc Replacement on page 30).
To install pinion shaft:
1. Slide pinion shaft into the main body with the roll pin hole closest to the end away from the pinion.
31.Put the washer, flange, and pinion over the shaft. The shaft should be through the center of the chain.
32.Position the shaft with pinion and other parts in place.
33.Select the correct roll pin for the hole on the shaft and drive it into position.
34.Drive the second roll pin into the shaft.
35.Grease the pinion using the grease fitting on the end of the shaft.
WHEELS, AXLE AND REDUCTION DRIVE
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