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Either two things come to mind, first I would check the shear pins. When a shear pin is broken, the auger turns but stops as soon as it hits a load (snow). The shaft is turning, but there's no mechanical connection between the shaft and the auger.
The second thing is the belt either needs adjusting or replaced. Belt adjustments should be checked before every winter and are simple to preform. When checking the drive and auger belts, look for glazed running surfaces, and cracking. Either sign means the belt(s) need replacing. Also if the belt(s) have streched beyond their normal adjustment.
One of the grip levers should engage a clutch that controls the augers. The other grip lever should engage a clutch to drive the wheels. Figure out which is which, and track the linkage from that lever down to the gearbox between the augers and the impeller. See if there's an adjustment you can make there.
If not... the gearbox may be damaged, possibly by hitting a solid object with hardened bolts in the place of your shear pins. ALWAYS use soft shear pins!
This is a fairly frequent problem that is easily fixed. What happened was the snowblower's auger was either overloaded or got jammed (ice, debris - something other than snow). Rather than twist, damage or break the auger itself, an inexpensive part called a "shear pin" is designed to fail. A shear pin employed between the auger sleeve and drive shaft that is inside the sleeve. You may have broken one if one side of the auger spins) or both (if both sides of the auger spins). Purchase several replacements for your particular machine to have on hand. Do NOT replace s shear pin (or shear bolt) with a regular bolt under any circumstances! Check the video linked below on how to replace the shear pins. Good luck!
Check the auger shear pins replace if necessary with correct parts(not regular bolts). If auger and the impeller are not turning your cable is out of adjustment. If only the auger doesn't turn, and the shear pins are ok then the brass/bronze gear has shredded which is why proper shear pins must be used. Donyboy73 on youtube show how to replace that gear on an older but similar MTD affiliated blower.
Hi, Yes, you have a shear pin and that is probably the problem... The shear pin often will not fall out and look like a normal piece but in fact be broken... The shear pin usually is in the main shaft from the transmission to the auger drive... Some are right on the auger its self...look around you will find it...
If you start the machine and the axles spin but the augers do not it is because the shear pins are broke. If you look closely you will see the the augers have shear bolts and nuts or shear pins. If you jam a piece of ice or a stick in the augers while they are spinning the bolts will shear so you do not damage the expensive augers or the worm drive gears. If the axle spins with the augers you may have torn up the front worm gear in the front of the auger intake. If you spin the small auger and the large auger moves but when you start and engage the auger nothing happens you will have to remove the under cover and inspect the drive belt pulleys for jammed or broken parts or more commonly broken drive belts.
sure sounds like a shear pin, usually one end will be missing if it is broke. They are simple to replace but get one that is rated for your machine to avoid damage. Can you turn it freely without the engine running?? if so, it's the shear pin
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