![]() ![]() Overtightening could stress the shear pin and result in premature failure. If your manual isn't handy, just finger tighten until the nut no longer spins freely. ![]() Secure it with the nut and tighten to the torque specification listed in your operator's manual. Once the broken shear pin is removed, keep the holes in the auger and the auger shaft aligned and insert the new shear pin. In rare cases, you will need to gently tap the shear pin out of the hole with a fairly flat punch and hammer. Then, use a tool, like a thin screwdriver, to push the rest of the pin out. ![]() To remove it, carefully rotate the auger to align the holes in the auger with the holes in the auger shaft. Typically, when a shear pin breaks, only half of it will fall out while the other half remains inside the auger shaft hole. Shear pins can be replaced quickly and are a lot cheaper to replace than the auger or gear case. We recommend keeping extra shear pins on hand because you never know when you'll need them.īefore replacing a shear bolt, stop the unit, remove the key and disconnect the spark plug wire from the engine. Move the unit to a warm, enclosed area and wipe the auger shaft clean for easier sight and access to the shear pin. If you don't see the shear pin head or nut and you can manually spin the auger along the auger shaft, you broke a shear pin. When it's safe, visually inspect the augers. If you suspect a shear bolt is broken, stop the engine, remove the key, disconnect the spark plug wire and wait for all moving parts to stop. Without a spinning auger, snow isn't ingested or thrown. As un-ingested snow piles up in front of your snow blower, you face more resistance and slow your clearing speed. When the shear bolt busts, the auger shaft continues to spin, but the auger itself isn't spinning. If it feels like your snow blower is pushing snow rather than processing it, or if you see snow building up outside either side of your auger housing, you likely broke a shear bolt. ![]() How to tell if your shear pins are broken
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