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MTD
Gas Snowblower

Model # 31AS5BHE799 Official MTD gas snow thrower

Here are the diagrams and repair parts for Official MTD 31AS5BHE799 gas snow thrower, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 207 parts  |
Lawn & Garden Equipment Cotter Pin, 1/4- To 5/16-in 714-04040
Lawn & garden equipment cotter pin, 1/4- to 5/16-in

Part #714-04040

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Troybilt Snowblower Shear Pin (replaces 738-04124) 738-04124A
#21

Auger & housing/impeller diagram

Troybilt snowblower shear pin (replaces 738-04124)

Part #738-04124A

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Yard Machines Lawn & Garden Equipment Lock Nut, 5/16-18 (replaces 753-05591) 712-04063
Yard machines lawn & garden equipment lock nut, 5/16-18 (replaces 753-05591)

Part #712-04063

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Shave Plate 790-00120
#35

Auger & housing/impeller diagram

Shave plate

Part #790-00120

Replaced by #790-00120-0637

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Manufacturer substitution
This part replaces 790-00120. Substitute parts can look different from the original.
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Yard Machines Lawn & Garden Equipment Nut 712-04064
Yard machines lawn & garden equipment nut

Part #712-04064

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Toro Lawn & Garden Equipment Carriage Bolt (replaces 753-08024, 910-0451) 710-0451
Toro lawn & garden equipment carriage bolt (replaces 753-08024, 910-0451)

Part #710-0451

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Snowblower Steering Control Trigger 731-06113
#20

Handles diagram

Snowblower steering control trigger

Part #731-06113

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Snowblower Auger Drive Belt, 1/2 X 37-in 954-04195A
#42

Handles diagram

Snowblower auger drive belt, 1/2 x 37-in

Part #954-04195A

Replaced by #490-501-Y080

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Manufacturer substitution
This part replaces 954-04195A. Substitute parts can look different from the original.
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Snowblower Ground Drive Belt, 3/8 X 36-1/8-in (replaces 754-04201a, 954-04201, Oem-754-04201) 954-04201A
#56

Handles diagram

Snowblower ground drive belt, 3/8 x 36-1/8-in (replaces 754-04201a, 954-04201, oem-754-04201)

Part #954-04201A

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Snowblower Clean-out Tool (replaces 731-2643) 931-2643
#18

Auger & housing/impeller diagram

Snowblower clean-out tool (replaces 731-2643)

Part #931-2643

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Symptoms for gas snowblowers

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How do I tune up my snowblower?

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

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Why won't my snowblower throw snow far enough?

Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

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Why does my snowblower stop running after a few seconds?

Main causes: dirty carburetor, stale fuel…

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What should I do about a damaged snowblower tire?

Main causes: punctured tire, damaged rim…

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Why does my snowblower engine run rough?

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

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Why won't my snowblower start?

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

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Why doesn't my snowblower self propel?

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

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Why won't my snowblower chute turn?

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

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Why won't my snowblower clear snow well?

Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

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Repair guides for gas snowblowers

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Adjust the engine valve lash on your snowblower to keep the engine starting and running smoothly.…

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 15 minutes or less
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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.…

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How to make your snowblower last longer

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