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MTD 993 gas snowthrower Parts
Here are the diagrams and repair parts for MTD 993 gas snowthrower, as well as links to manuals and error code tables, if available.
Owner’s manualBy Schematic
By Part
SELECT DIAGRAM
Browse Parts for 993 Snowblowers
Blade assembly diagram
Fan Block Assembly
Part #684-0090
The manufacturer no longer makes this part, and there's no substitute part
Wheels diagram
Snowblower Sprocket
Part #713-0413
The manufacturer no longer makes this part, and there's no substitute part
Wheels diagram
Spacer
Part #750-1196
The manufacturer no longer makes this part, and there's no substitute part
Wheels diagram
Auger Bracket
Part #684-0118
The manufacturer no longer makes this part, and there's no substitute part
Idler
Part #756-0240
The manufacturer no longer makes this part, and there's no substitute part
Wheels diagram
Support Assembly
Part #684-0115
The manufacturer no longer makes this part, and there's no substitute part
Blade assembly diagram
Bearing Housing
Part #05244A
The manufacturer no longer makes this part, and there's no substitute part
Wheels diagram
Aluminum Plate
Part #717-0302
The manufacturer no longer makes this part, and there's no substitute part
Body diagram
Crank Assy-c
Part #684-0053A
The manufacturer no longer makes this part, and there's no substitute part
Body diagram
Clutch Handle
Part #705-5219
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: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…
Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…
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: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…
Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…
Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …
Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…
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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