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MTD 31AM63EF729 snow thrower Parts
Here are the diagrams and repair parts for MTD 31AM63EF729 snow thrower, as well as links to manuals and error code tables, if available.
Owner’s manualBy Schematic
By Part
SELECT DIAGRAM
Browse Parts for 31AM63EF729 Snowblowers
Drive system diagram
Gear
Part #717-04230Replaced by #917-04230B
Manufacturer substitutionThis part replaces 717-04230. Substitute parts can look different from the original.In Stock$99.4429% OFF Was : $139.66
Qty
Chute Support Bracket
Part #684-04311Replaced by #684-04311B-0637
Manufacturer substitutionThis part replaces 684-04311. Substitute parts can look different from the original.In Stock$56.16QtyDrive system diagram
Flat Washer
Part #736-3015Replaced by #936-3015
Manufacturer substitutionThis part replaces 736-3015. Substitute parts can look different from the original.This item is not returnableIn Stock$6.51QtyDrive system diagram
Spacer: .340
Part #750-04477Replaced by #750-04477A
Manufacturer substitutionThis part replaces 750-04477. Substitute parts can look different from the original.This item is not returnableIn Stock$9.49QtyAuger & housing diagram
Snowblower Auger
Part #684-04108Replaced by #684-04108A-0637
Manufacturer substitutionThis part replaces 684-04108. Substitute parts can look different from the original.In Stock$87.096% OFF Phone Price : $93.09QtyLawn & Garden Equipment Cable Tie
Part #725-0157Replaced by #726-0178
Manufacturer substitutionThis part replaces 725-0157. Substitute parts can look different from the original.This item is not returnableIn Stock$25.35QtyDrive system diagram
Snowblower Wheel Assembly
Part #634-04144AReplaced by #634-04144A-0911
Manufacturer substitutionThis part replaces 634-04144A. Substitute parts can look different from the original.In Stock$176.1712% OFF Was : $199.61QtyAuger & housing diagram
Snowblower Auger Shaft
Part #711-04284Replaced by #711-06144
Manufacturer substitutionThis part replaces 711-04284. Substitute parts can look different from the original.In Stock$118.339% OFF Phone Price : $130.33QtyStandard 2-way chute diagram
Bracket
Part #784-5647Replaced by #784-5647-0637
Manufacturer substitutionThis part replaces 784-5647. Substitute parts can look different from the original.This item is not returnableIn Stock$23.4520% OFF Phone Price : $29.45QtyHdl Asm-rh
Part #684-04106BReplaced by #684-04106D
Manufacturer substitutionThis part replaces 684-04106B. Substitute parts can look different from the original.This item is not returnableIn Stock$55.46Qty
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Snowblower Headlight Lens Decal
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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.
If you're looking for the age of you Craftsman snowblower, our guide will help.…
Proper drive control cable tension is key to smooth snowblower operation, and you can learn how to test and adjust it yo…
Avoid costly snowblower repairs this season. Watch how to lubricate the drive hex shaft to prevent friction, improve tra…
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