Sears 536.884821 Service AN ,.,DJUSTMENTS, Traction Drive Belt, To Adjust the Friction Wheel

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SERVICE AN ,.,DJUSTMENTS

TRACTION DRIVE BELT

If your snow thrower wilt not move forward, check the tractiondrive belt for wear. tfthe traction drivebelt needs

to be replaced,proceed as follows:

•Disconnect the spark plug wire.

eRemove the belt cover (See Fig. 26).

oLoosenbeltguides (See Fig..27) andpull belt guides away from the engine drivepulley..

eLoosennuton augeridler andpullaugeridlerpulley away from bell

oRemove auger drivebelt fromengine pulley.

ePull drive belt idler pulley away from drivebelt

i Remove drive belt..

ePositionnew drive beft ontotractionpulley.

ePull idler puUeyaway from belt, ailowingbelt to be positionedonto enginepulley

eRelease idlerpulley Ensureidlerpulleyis properly engaged withbelt.

eAdjust belt guides(see To Adjust The Belt Guides paragraph below).

eReinstallthe belt cover..

eReconnect the spark plug wire.

ijj ii

I1'

,111111

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TO ADJUST THE FRICTION WHEEL

If the snow thrower will not move forward, you need to checkthe trackdrivebelt,the tractiondrivecable or the frictionwheel,If thefriction wheel isdamaged;itwillneed to be replaced. See the To Replace Friction Wheel paragraphon page 21 ..If the friction wheel is notworn. checkthe adjustment, as follows:

e Disconnect the spark plug wire,

•Drain the gasoline from the gas tank.

•Stand snow thrower on the auger housing end.

•Remove the bottom panel (See Fig. 29)

•Position the shifter lever in first (1) gear.

•Note the position of the friction wheel on the disc drive plate. The right outer side of the disc drive plate should be 3" from the center of the friction wheel

(See Fig,.30).

if adjustment is necessary:

•Loosen nut "A"on the speed select rod.. Remove the ball joint by removing nut "B" from the shift yoke assembly_ Lengthen or shorten the rod by turning

the adaptor to obtain the correct friction wheel po. sition (See Fig, 31),

TO ADJUST THE BELT GUIDES

After you replace a track or auger drive belt, you need to adjust one or both of the belt guides. Proceed as follows:

e Disconnect the spark p_ug wirer

•Remove the belt cover (See Fig 26)

•Engage the auger drive clutch lever_

•Measure the distance between the belt guides and the belt (See Fig. 28).. The distance should be 3/32" for each guide_

•If adjustment is necessary, loosen the belt guide mounting bolts. Move the belt guides to the correct position. Tighten the mounting bolts

eReinstall the belt cover..

•Reconnect the spark plug wire.

•Reinstall the ball joint and nut "Bo" Tighten nut "A."

•Reinstall the bottom panel

WHEEL

/

/

-

/,

 

 

 

 

 

 

 

 

SPEED

SELECT

 

 

 

 

 

ROD

 

 

 

 

REMOVE

BOLT

 

 

 

 

 

OTTOM PANEL

 

 

 

 

 

 

 

ADAPTOI

 

YOKE

 

 

 

 

 

 

ASSEMBLY

 

li I

BOTTOM

PANEL

 

 

 

LOOSEN BOLT:_

:

,,-.--LOOSEN BOLT

8ALL JOINT

_

NUT "B"

i

 

 

 

 

 

 

.......................

FIG, 29

 

 

FlG 31

.............................................................

 

 

 

2O

 

 

 

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Contents CRRFr$IRN Before USE Safety RulesFuel Safety REPAIR/ADJUSTMENTS Safety Safe StorageMaintenance Agreement Optional AccessoryTable of Contents Contents of Shipping Carton Tools Required for AssemblyHOW to SET UP Your Snow Thrower To Remove Snow ThrowerRemovethe staples fromtop of carton Skids DOWN. this will HEt.P to PreventTo Install the Upper Handle and Crank Assembly Lightenuntil all bolts are in ptaceTjhtenlefthand side firstTo Checkjadjust Clutch Control Cables OffoffChute Deflector WEmHrTo Move Forward and Backward To Control Snow DischargeTo Stop Your Snow Thrower To USE Weight Transfer System Track DRIVE/FREE-WHEEL FeatureUftuphere FILL/ADD OILTo Start Engine Fill GASMove the throttle controlupto RUN position Push the key into the ignition slot found in partsOperation Warm StartButton Frozen StarterGeneral Recommendations Snow ThrowerAfter First USE Lubrication Every TEN HoursCheck the crankcase oil level See before EngineLubrication Adjust To Adjust Skid HeightTo Adjust Chute Crank Assembly Once this clearance is set, tighten the nutsTo Adjust Belts AdjustmentsTo Adjust the Clutch Control Cables Reinstallthe beltcover To Replace BeltsAuger Drive Belt Remove the beltcover See Fig,,26Service AN ,.,DJUSTMENTS To Adjust the Friction WheelTo Adjust the Belt Guides Traction Drive BeltFrom grease or oil To Replace Friction WheelAway from Fire or Flame To Adjust Track To Replace Auger Shear BoltSpacer provided FIG,.36To Adjust or Replace Spark Plug SE CE a Adjust TSTo Adjust Carburetor Engine Storage Snow Thrower StorageLubrication Other Areasare Still WarmService Service DatesLubrication Chart ScheduleOtlflcult=tBllng Shooting PointsTrouble Cause Correction I,iii Ii IHI Handle Assembly Repair Parts Craftsman 24 Snow ThrowerChute Control ROD Repair Parts Discharge Chute Repair Parts¸I Part NO. Part Name Part NO. Part NameAuger Housing Repair Parts 70978 Screw, WaTap, 1/4-20xl/2 Ino Ref. ItrnHOo 580773 Cover, Belt71067 Flatwasher,518Ino IndicatesStandardHardwarettems 580928 Frame 71393 Screw71100 70984Engine Components Repair Parts Drive Components Repair Parts Track Assembly Repair Parts Gear BOX Repair Parts Reri Decals Shift Yoke Repair Parts Partname Dog, Starter Carburetor NO, 632107A Rewind Starter noE90600 !Waer Craftsman 4-CYCLE Engine 30968 20 326OO650488 65O883 Nut,P/w335 342A350 35tOtes When Ordering Repair PARTS, Always PRODUCT= =SNOWTHROWERPart Number Model Number
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