The part(s) or condition(s) listed below for the symptom Snowblower not throwing snow are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.
The shear bolt is a metal bolt that slides through the auger axle sleeve, locking the sleeve in place with the auger drive axle. Shear bolts are designed to break in half if the auger hits a rock or chunk of ice to prevent damage to the engine. If the shear bolt breaks, the auger won’t be able to turn. Inspect the shear bolt to determine if it is broken. If the shear bolt is broken, replace it.
The shear pin is a metal pin that slides through the auger axle sleeve, locking the sleeve in place with the auger drive axle. Shear pins are designed to break in half if the auger hits a rock or chunk of ice to prevent damage to the engine. If the shear pin breaks, the auger won’t be able to turn. Inspect the shear pin to determine if it is broken. If the shear pin is broken, replace it.
The shear bolt is a metal bolt that slides through the auger axle sleeve, locking the sleeve in place with the auger drive axle. Shear bolts are designed to break in half if the auger hits a rock or chunk of ice to prevent damage to the engine. If the shear bolt breaks, the auger won’t be able to turn. Inspect the shear bolt to determine if it is broken. If the shear bolt is broken, replace it.
First, check the shear pins for damage. If the shear pins are broken or worn out, replace them. Next, check the auger blades. If the auger blades are bent or damaged, replace them. If the entire auger assembly is worn out, replace the auger assembly.
The auger blade or blades collect the snow and throw it out of the chute. If the blades get worn they will not effectively throw the snow. Visually inspect the blades for excessive wear and replace if needed.
Inspect the belt to see if it is broken, stretched out, or out of place. If the cogged belt is broken or stretched out, replace it.
The V-belt rotates the drive pulleys to drive the lawn mower wheels. If the V-belt is worn out or broken, the lawn mower wheels won’t turn. Inspect the V-belt for damage. If the V-belt is defective, replace it.
The impeller propels the snow through the chute. If the impeller is not jammed or broken, the snowblower won’t blow the snow. If the impeller is broken, replace it.