Craftsman
Gas Snowblower

Model # 536886191 Official Craftsman 8.5-hp snow thrower

Here are the diagrams and repair parts for Official Craftsman 536886191 8.5-hp snow thrower, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 370 parts  |

Snowblower Drive Belt 579932
#57

Engine assembly diagram

Snowblower drive belt

Part #579932

Replaced by #1733324SM

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Manufacturer substitution
This part replaces 579932. Substitute parts can look different from the original.
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$25.00
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Snowblower Chute Retainer Ring, Outer 585193
#611

Discharge chute assembly diagram

Snowblower chute retainer ring, outer

Part #585193

Replaced by #585193MA

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Manufacturer substitution
This part replaces 585193. Substitute parts can look different from the original.
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$33.50
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Snowblower Chute Retainer Ring, Inner 337227
#610

Discharge chute assembly diagram

Snowblower chute retainer ring, inner

Part #337227

Replaced by #337227MA

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This part replaces 337227. Substitute parts can look different from the original.
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1/4-20 Hex N 780029
1/4-20 hex n

Part #780029

Replaced by #703232

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Manufacturer substitution
This part replaces 780029. Substitute parts can look different from the original.
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Worm Gear 51405
#315

Gear case assembly diagram

Worm gear

Part #51405

Replaced by #51405MA

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Manufacturer substitution
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$77.52
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Screw 6218
#6

Electric start assembly diagram

Screw

Part #6218

Replaced by #33329H

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$209.74
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Lock Nut 73826
Lock nut

Part #73826

Replaced by #703251

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$8.07
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Gasket 51279
#314

Gear case assembly diagram

Gasket

Part #51279

Replaced by #51279MA

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Idler Pulley 50793
#148

Frame assemlby diagram

Idler pulley

Part #50793

Replaced by #1502120MA

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$34.31
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Retaining Ring 239
#678

Wheel assembly diagram

Retaining ring

Part #239

Replaced by #1657528SM

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$6.89
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Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

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

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

Main causes: dirty carburetor, stale fuel…

Main causes: punctured tire, damaged rim…

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

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

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

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 engine valve lash

How to adjust snowblower engine valve lash

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

Repair difficulty
Time required
 15 minutes or less
How to adjust snowblower skid shoes

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 replace a snowblower shave plate

How to replace a snowblower shave plate

Follow the 7 easy steps in this repair guide/video to replace a worn out shave plate on your snowblower.…

Repair difficulty
Time required
 15 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.

How to make your snowblower last longer

How to make your snowblower last longer

Learn the steps to take to adjust and maintain your snowblower so it lasts longer.…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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Top questions about Sears and Sears PartsDirect

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