Check this friction rubber regularly for wear. Operating the unit with worn-out friction rubber may result in damage to the drive system. This is a drive component essentially responsible for transferring power from the belts to the drive wheels. This rubber friction wheel is considered a normal service wear item and should be replaced when the thickness of the exposed rubber wears to approximately 1/8 inch. Refer to the illustrated parts list for specific location and replacement part numbers of these shear bolts.įor loss of wheel drive, begin with inspection and replacement of the rubber friction wheel (as needed). Shear bolts are located along the main auger shaft in the center of each auger spiral. Inspect the shear bolts and replace as needed. If the belt(s) seem fine and engine runs, but the augers have lost half or full operation, broken shear bolt(s) is/are likely the failure. These belts operate the drive systems for the wheels and the auger. It may be necessary to inspect, and possibly replace, one or both belts. Cables do stretch over time performing these adjustments will tighten any slack that may have occurred due to stretching. Inspect and perform the cable adjustments listed in the "Final Adjustments" section of the snow blower "Assembly" section of your Operator's Manual. If you experience the loss of auger or drive control, it may be necessary to perform one or a combination of the tasks listed here: Instructions
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