Sears 536.886331 Traction Drive Belt, To Adjust the Belt Guides, To Adjust the Friction Wheel

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SERVICE AND ADJUSTMENTS

TRACTION DRIVE BELT

It your snow thrower will not move forward, ':heck the tractiondrive belt for wear. Itthe traction drive belt needs to be replaced, proceed as follows:

Disconnect the spark plug wire.

Remove the belt cover (See FIG. 7 In this section).

Loosen belt guides (See FIG. B) and pull belt guides away from the engine drive pulley.

Loosen nut on auger idler and pull auger idler pulley away from belt.

Remove augerdrive belt from engine pulley.

Pull drive belt idler pulley away from drive belt. Re- move drive belt.

Position new drive belt onto traction pulley.

Pull idler pulley away from belt, allowing belt to be positionedonto engine pulley,

Release idler pulley, Ensure idler pulley is properly engaged with belt.

Reinstall auger drive belt.

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

Adjust idler on auger belt.

Reinstall the belt cover.

Reconnect the spark plug wire,

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:

Disconnect the spark plug wire,

Remove the belt cover (See FIG. 7 in this section).

Engage the auger drive clutch lever.

Measurethedistancebelweenthebeltguidesandthe

belt (See FIG. 9 In this section). The distance should be 3/32" for each guide.

TO ADJUST THE FRICTION WHEEL

It the snow thrower will not move forward, you need to check the traction drive belt, the traction drive cable or the friction wheel. If the friction wheel is damaged, it will need to be replaced. See the To Replace Friction Wheei para- graph inthis section. If the fdction wheel is not worn, check the adjustment, as follows:

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. 10).

Position the shifter lever in first (1) forward 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. 11).

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 position (See FIG. 12).

Reinstall the ball joint and nut "B." Tighten nut "A."

Reinstall the bottom panel.

FRICTION

DISC DRIVI

 

PLATE

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

position. Tighten the mounting bolts.

Reinstallthe belt cover.

Reconnect the spark plug wire.

r

REMOVE BOLT

r_REMOVE BOLT

_i BOTTOMPANEL

LOOSEN BOLT _j_

_LOOSEN

BOLT

FiG. 10

FiG. 11

SPEED SELECT

ROD

NUT "J

ADAPTORE ASSEMBLY

BALL JOINT

\

 

FIG. 12

23

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Contents Part Number Part Description When Ordering Repair PARTS, AlwaysGive the Following Information Product Snow Thrower Model Number Engine Model NumberBefore USE Fuel SafetyOperating Safety Safe Storage Safety RulesREPAIR/ADJUSTMENTS Safety Spark Plug Aintenance AgreementJstomer Responsibilities Table of Contents Contents of Hardware Pack Measuring tape or ruLer AssemblyTools Required for Assembly To Remove Snow ThrowerRoll snow thrower off the skid by pulling on the handle HOW to SET UP Your Snow ThrowerTo Install the Upper Handle and Crank Assembly To Assemble Snow ChuteParts section of this manual To Install HeadlightPLASTIC\ Notchedsection To Assemble Control CablesTo Install Shifter Lever Knob To Install the Shifter LeverVerse OperationTo Move Forward and Backward HOW to USE Your SnowThrower To Stop Your Snow ThrowerFill OIL OperationBefore Starting the Engine To USE Wheel Lockout PINRequired Run the engine at full throttle RUN when throwingTo Stop Engine Warm StartFrozen Recoil Starter To Start Engine Recoil StarterSnow Throwing Tips Customer Responsibilities Service Records ScheduleGeneral Recommendationslubrication Chart Service DatesLubrication Every 25 Hours Snow ThrowerLubrication Every TEN Hours COLDER--i2 --WARMER 5W30SAE30 EngineLubrication Recommended Viscosity GradesTo Adjust Chute Crank Assembly Service and AdjustmentsTo Adjust Skid Height To Adjust Scraper BARTo Adjust Belts ServiceAdjustments To Adjust the Clutch Control CablesDOORS, Away from Fire or Flame To Replace BeltsAuger Drive Belt Remove the belt cover See in this section To Adjust the Belt GuidesTo Adjust the Friction Wheel Traction Drive BeltLBOTTOMPANEL To Replace Friction WheelAway from Fire or Flamf Remove the bottom panel See FIGLocknut To Adjust CarburetorTo Replace Auger Shear Bolt To Replace To Adjust or ReplaceTo Adjust Spark PlugOther StorageSnow Thrower Storage Engine StorageCorrection Trouble Shooting PointsTrouble Cause