Small Engines (Lawn Mowers, etc.)/Snowthrower doesn't work

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Question
I have a Honda Tractor HT 3813 with a snowthrower attachment. Everything was working great until a large tree branch entered the auger from the side. The auger tried to snap the branch and I heard a slight whine and then a snap. I noticed that a shear bolt had snapped where the shaft from the gear box meets the innner auger... sorry I'm not fluent with each part. I replaced the shear bolt, checked the pto belt and started the tractor back up. when I engaged the lever for the pto the pto spun under the tractor and started to spin the yoke to the snowthrower.. but the tractor would stall right after I threw the pto lever. This scenario keeps happening. The tractor will keep running as long as the pto is disengaged. I took off the housing covering the sprocket and chain and all looks good. I have a feeling its the gear box on the front auger. I tried to turn the auger by hand, and it will not turn. I engaged the pto when the tractor was off and the auger would not turn.Let me know if I'm on the right track. if its the gear box is there a manual specific to the snowthrower? Its a H-0242(model#). Any help would be greatly appreciated. If theres no manual could you give me some advise on how to remove the gear box on the auger.

Answer
I could not find much on the H-0242 model number.

I did find the following snow blower manual for the HT 3813

http://cdn.powerequipment.honda.com/pe/pdf/manuals/SB1013A-AH.pdf

I would start by disconnecting the belt at the snowthrower and see if you can turn the pulley by hand.  If you can not rotate the pulley by hand then I would remove the chain guard on the side of the blower and then re-try spinning the pulley.  If you can turn the pulley then you know something is the auger is causing the problem.  If you still can not rotate the pulley then you know something between the snowthrower pulley and chain drive is the causing the problem.

Eric  

Small Engines (Lawn Mowers, etc.)

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Eric A. Jones

Expertise

Lawnmower Repair . Certified Master Service Technician from B&S. Have 23 years experience on B&S, Lawn Chief, Weed Eater, Echo, Peerless, Wheel Horse, Snapper, Atlas, MTD, McCulloch, Homelite and many other numerous brands. Specialize in electrical repair.

Experience

Born and raised in the midwest. Started tinkering with engines when I was about 14 on my Suzuki RM-80. I began lawn mower repair at a small hardware store. I knew absolutely nothing. I read lots of repair manuals and met an older fellow who taught me many lessons. I continued working on small engines through high school and paid my way through college working on mowers at the same hardware store. Decided to get away from the midwest and mower repair so I joined the Air Force. I repaired air traffic control electronic equipment and ended up in Hawaii where I got a part time job at Small Engine Clinic. I gained a lot of experience from the Small Engine Clinic and had a blast repairing small engines. I then took the Briggs and Stratton Master Service Technician test and earned my MST. I then traveled to Wisconsin where I attended the factory update training seminar and received formal training. Continued working on mowers part time as I completed 20 years of military. Retired from the military on a Friday and continued in the lawn and garden industry the next Monday.

Education/Credentials
MAS Aerospace Operations BA Mathematics AAS Electronic Communications AAS Electronic Technology

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