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Model # 31AM63EF729 Official MTD snow thrower
Here are the diagrams and repair parts for Official MTD 31AM63EF729 snow thrower, as well as links to manuals and error code tables, if available.
Owner’s manualBy Schematic
By Part
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Browse Parts for31AM63EF729 Snowblowers
- #24
Auger & housing diagram
Craftsman snowblower shear pinPart #738-04124A
This item is not returnable$2.63 |28% OFF Phone Price : $3.63In Stock - #27
Auger & housing diagram
Shave platePart #790-00120
Replaced by #790-00120-0637
?Manufacturer substitutionThis part replaces 790-00120. Substitute parts can look different from the original.$38.59 |13% OFF Phone Price : $44.59In Stock - #29
Drive system diagram
Lawn & garden equipment hex flange nutPart #712-0417A
$8.24 |11% OFF Phone Price : $9.24Back Order - Yard machines lawn & garden equipment lock nut, 5/16-18
Part #712-04063
This item is not returnable$4.67 |18% OFF Phone Price : $5.67Back Order - Mtd toro lawn & garden equipment carriage bolt
Part #710-0451
This item is not returnable$5.76 |15% OFF Phone Price : $6.76In Stock - Mtd yard machines lawn tractor flange nut
Part #712-04065
This item is not returnable$5.50 |15% OFF Phone Price : $6.50In Stock - #59
Drive system diagram
Snowblower ground drive beltPart #754-0367
Replaced by #954-0367
?Manufacturer substitutionThis part replaces 754-0367. Substitute parts can look different from the original.Get free shipping with Automatic Reorder
$29.91 |17% OFF Phone Price : $35.91In Stock - #27A
Auger & housing diagram
Shave platePart #790-00121
Replaced by #790-00121-0637
?Manufacturer substitutionThis part replaces 790-00121. Substitute parts can look different from the original.$42.66 |12% OFF Phone Price : $48.66In Stock - Speed cable
Part #746-04396
Replaced by #946-04396A
?Manufacturer substitutionThis part replaces 746-04396. Substitute parts can look different from the original.$29.40 |17% OFF Phone Price : $35.40In Stock - #27B
Auger & housing diagram
Shave platePart #790-00118
Replaced by #790-00118-0637
?Manufacturer substitutionThis part replaces 790-00118. Substitute parts can look different from the original.$43.36 |12% OFF Phone Price : $49.36In Stock
Symptoms for gas snowblowers
Choose a symptom to see related snowblower repairs.
Main causes: punctured tire, damaged rim…
Main causes: dirty carburetor, stale fuel…
Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…
Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…
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: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…
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…
Repair guides for gas snowblowers
These step-by-step repair guides will help you safely fix what’s broken on your snowblower.
How to replace a snowblower fuel filter
Replace the fuel filter on your snowblower if it's clogged or damaged.…
Repair difficulty
Time required
15 minutes or less
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 difficulty
Time required
15 minutes or less
How to rebuild a snowblower carburetor
Rebuild the carburetor on your snowblower if the engine isn't getting fuel.…
Repair difficulty
Time required
45 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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