Craftsman Guide to Carburetor Adjustment for Snowblower Performance
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CARBURETOR ADJUSTMENT

The carburetor on this snow thrower is not adjustable.

IMPORTANT: If you think the carburetor is not operating properly, contact your nearest Craftsman service center.

_ CAUTION: Never tamper with the engine governor which is factory set for proper engine speed. Over speeding the engine may increase the danger of personal injury and will void the engine warranty. If you think the engine governor

high speed needs adjusting, contact your nearest Craftsman service center who

has the proper equipment and experience to make any unnecessary adjustments.

TO ADJUST THE CHUTE CRANK

ASSEMBLY

If you cannot rotate the chute crank fully to the left and to the right, you need to adjust the

chute crank. See first figure on this page.

•Remove the top cover. See To Remove Top Cover instructions on this page.

•Loosen both 1/2" nuts on the crank adjusting bracket using 1/2" wrenches.

•Swivel the crank adjusting bracket to allow about 1/8" clearance between the

notch in the flange and the outer diameter of the worm.

•Once this clearance is set, tighten the nuts.

TO ADJUSTTHEAUGERCONTROL

CABLE

The auger control cable is set at the factory for proper operation. If you need to adjust the cable, because the control bar does not prop- erly engage or disengage the auger, do the

following:

•Remove "Z" hook from the auger control bar. See second figure.

•Slide the boot toward the loose end of the cable. See third figure.

•Push the cable down through the hole in the top of the cable adjustment bracket to provide slack in the cable. See third figure

•Remove the "Z" hook from the top hole in the cable adjustment bracket and move to the next hole away from the top of the bracket. See second figure.

•Pull cable slack through cable adjustment bracket and insert in the control bar. See

third figure.

•Replace boot o_/er cable adjustment bracket.

•Insert "Z" hook in the auger control bar. See second figure.

•Start the snow thrower and check that the auger does not continue to turn when the auger control bar is released.

Adjustments

Notch in

Flange

ust-

ment Bracket

orm

Auger Control

Bar

Hook

Cable--_ Cable Adjust- ._/j

_

ment Brlcket!/

Hook

 

"Z"

F,_' Cm_b,A_ dJcUkSeti

_i_o_o_Jm=;_Bracke t

TO REMOVE TOP COVER

•Follow these steps from operator's position.

•Remove the T-knob and fasteners on the discharge chute.

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Contents SEARS, Roebuck and CO., Hoffman Estates, IL 60179 U.S.A 761893 07/27/98Limited TWO-YEAR Warranty on Craftsman Snow Thrower Engine exhaust from this productBefore USE Fuel Safety Deadly GASSafe Storage REPAIR/ADJUSTMENTSSAFETY Checklist All assembly instructions have been CompletedTo Remove Snow Thrower from Carton To Assemble the Snow ThrowerChute Control Lower Handle Chute Deflector ChokeButtonPrimer Button Injects fuel directly into S. I Imperzal s.I. Metric To USE Auger Propel ActionBefore Starting Engine Fill GASGasoline and OIL Mixture To Stop EngineTo Start Engine Electric Start Cold StartTo Stop Engine Warm StartTo Start Engine Recoil Start Product Specifications DRY and Average SnowWET Packed Snow Snow Throwing TipsCustomer Responsibilities Service Lubrication Chart Lubrication AS RequiredRecords Spark PlugCarburetor Adjustment To Adjust the Chute Crank AssemblyTo Adjusttheaugercontrol Cable To Remove TOP CoverTo Adjust Brake PAD To Remove Belt CoverScrews to be Boltsto beremoved from Top removedfrom To Replace the Drive Belt To Replace the AugerLeft F#ame Push the spark plug wire onto the spark plug Engine ServiceAdjust Engine Speed Snow Thrower Storage Engine StorageCarbu Drain Right side view Engine OtherAdjust auger control cable TroubleCorrection CauseElectric Start Assembly Craftsman 21 5H.P. Snow ThrowerPart Name ENGINE/DRIVE Assembly Oraftsman 21 5H.P. Snow ThrowerPart Name Frame Assembly Discharge Chute AssemblyBelt Cover Assembly 481 52010540 51oCraftsman 21 -5H.P.SNOW Thrower Wheel Assembly Handle AssemblyPartname Part Name Craftsman 21 5H.P. Snow Thrower DecalsPart Name Partno Craftsman 2-CYCLE Engine Model Number Model Number REF. PART# Part Name Throttle ShutterStarter no Starter RewindRetainer Dust Washer Pinion DriverANTI-DRIFT Part

536.88521 specifications

The Craftsman 536.88521 is a versatile and powerful snow blower, designed to efficiently tackle heavy snowfall and keep pathways and driveways clear during winter months. With a strong focus on usability and performance, this model is favored by homeowners looking for reliable equipment that can handle various snow conditions.

One of the key features of the Craftsman 536.88521 is its 24-inch clearing width, which allows for quick and efficient snow removal. The robust auger design ensures that even heavy, wet snow can be efficiently thrown aside, making it suitable for various climates and snow types. The powerful 179cc engine provides ample power, allowing the snow blower to clear deep snow without straining.

Ergonomically designed, the Craftsman 536.88521 includes adjustable handles that promote comfortable operation while reducing fatigue during extended use. The easy-to-use controls are conveniently located, enabling users to adjust speed settings and the direction of the snow discharge without having to stop. The model features a 180-degree rotating chute that allows for precise snow placement, which is essential for maintaining clean walkways and driveways.

Technology is integral to the Craftsman 536.88521, featuring electric start capabilities for hassle-free ignition, eliminating the need for strenuous pull-starts in cold conditions. Additionally, the snow blower is equipped with a heavy-duty scraper blade that ensures efficient clearing down to the pavement, reducing the chances of ice buildup.

Another notable characteristic of the Craftsman 536.88521 is its durable construction. Built with high-quality materials, it is designed to withstand harsh winter conditions, ensuring longevity and reliability over time. The snow blower's large, enhanced tires provide excellent traction and maneuverability, allowing users to navigate through tough snow conditions with ease.

Overall, the Craftsman 536.88521 stands out as a dependable snow blower, combining power, efficiency, and user-friendly features. Its versatility makes it an excellent choice for homeowners looking to maintain clear and safe outdoor areas during winter storms. With the right balance of technology and practicality, it promises an effective solution for winter snow removal tasks.
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