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MTD H763 gas snowthrower Parts
Here are the diagrams and repair parts for MTD H763 gas snowthrower, as well as links to manuals and error code tables, if available.
Owner’s manual
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Browse Parts for H763 Snowblowers
Axle/chain/driveshaft diagram
Adhesive: Loctite
Part #721-0263
The manufacturer no longer makes this part, and there's no substitute part
Axle/chain/driveshaft diagram
Lubricant
Part #737-0170
The manufacturer no longer makes this part, and there's no substitute part
Axle/chain/driveshaft diagram
Split Spacer
Part #750-0903
The manufacturer no longer makes this part, and there's no substitute part
Handle/handle-panel diagram
Shift Handle
Part #784-5619A
The manufacturer no longer makes this part, and there's no substitute part
Handle/handle-panel diagram
Snowblower Handle
Part #749-0951
The manufacturer no longer makes this part, and there's no substitute part
Axle/chain/driveshaft diagram
Spacer
Part #750-0909
The manufacturer no longer makes this part, and there's no substitute part
Axle/chain/driveshaft diagram
Rod
Part #684-0009
The manufacturer no longer makes this part, and there's no substitute part
28" spiral/28" housing diagram
Snowblower Auger Housing
Part #684-0041C
The manufacturer no longer makes this part, and there's no substitute part
Handle/handle-panel diagram
Harness Assembly
Part #629-0936A
The manufacturer no longer makes this part, and there's no substitute part
Axle/chain/driveshaft diagram
Yard-man Drive Lift
Part #748-0353A
The manufacturer no longer makes this part, and there's no substitute part
Most common symptoms to help you fix your snowblowers
Choose a symptom to see related snowblower repairs.
Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…
Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…
Main causes: dirty carburetor, stale fuel…
Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …
Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…
Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…
Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…
Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…
Repair guides for gas snowblowers
These step-by-step repair guides will help you safely fix what’s broken on your snowblower.
How to adjust snowblower skid shoes
To prevent snowblower auger and shave plate damage, adjust the skid shoes regularly to keep the shave plate ¼-inch high.…
Repair time and Difficulty
15 minutes or less
How to rebuild a snowblower carburetor
Rebuild the carburetor on your snowblower if the engine isn't getting fuel.…
Repair time and Difficulty
45 minutes or less
How to replace a snowblower 4-way chute control assembly
Replace the 4-way chute control assembly on your snowblower if it’s damaged.…
Repair time and Difficulty
30 minutes or less
Effective articles & videos to help repair your snowblowers
Use the advice and tips in these articles and videos to get the most out of your snowblower.
Find easy DIY tips to fix your snowblower when it won't start…
Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
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