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Maintaining Your Snow Blower Auger Parts
If your two-stage MTD snow blower isn't working properly, inspect its parts for wear and damage. Replacing snow thrower auger parts as necessary will make your winter cleanup safer and more efficient. If any of your snow thrower parts need to be replaced, MTD has you covered. We have all the replacements you need - including cables, belts and shear bolts - to get the most out of your machine. Follow these drive-loss and snow blower auger troubleshooting tips to get your equipment back on track before the snow piles up.
Step 1: Inspect cables
Inspect and perform the cable adjustments listed in the Final Adjustments section of the Snow Thrower Assembly section of your operator's manual. Cables stretch over time, and adjusting them will tighten any slack.
Step 2: Inspect belts
As part of your auger troubleshooting, it may be necessary to inspect and replace one or both of the belts on your machine. The belts operate the drive systems for the wheels and the snow thrower auger.
Step 3: Inspect shear bolts
If the belt(s) seem fine and the engine runs, but the snow blower auger is not working properly, then broken shear bolts are likely the problem. Inspect the shear bolts and replace them if necessary. Shear bolts are located along the main auger shaft in the center of each auger spiral. Refer to the illustrated parts list on this website or in your operator's manual to find the location and part numbers of your machine's shear bolts, as well as other snow blower auger parts.
Step 4: Troubleshooting Drive Loss
For loss of wheel drive, begin with inspection of the rubber friction wheel. This friction wheel rubber should be replaced when the thickness of the exposed rubber wears to approximately one-eighth inch. This drive component transfers power from the belts to the drive wheels, and operating the unit with worn out friction rubber may result in damage to the drive system. Check the friction rubber regularly for wear. Consult your Operator's Manual for more information on friction wheel maintenance.