Sears 536.886331 owner manual To Adjust or Replace, Spark Plug, To Replace

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SERVICE AND ADJUSTMENTS

TO ADJUST OR REPLACE

THE SPARK PLUG

If you have difficultystarting your snow thrower, you may

need to adjust or replace the spark plug. Follow the.030 GAP instructionsbelow.

Replace the spark plug ifelectrodes are pittedor burned or if the porcelain is cracked.

TO ADJUST:

• Clean the spark plug by carefully scraping electrodes (do not sand blast or use a wire brush).

• Be sure the spark plug is clean and free of foreign

matedal. Check electrodes gap (See FIG. 18) with a

FIG. 18

wire feeler gauge and reset the gap to .030 inch if necessary.

TO REPLACE:

•If you need a new spark plug, use only the proper replacement spark plug (See page 4).

•Set the gap to .030.

•Before installingthe spark plug, coat itsthreads lightly with oil or grease to insure easy removal.

•Tighten the plug firmly into the engine.

•If a torque wrench isavailable, torque the plug to 18 to 23 It - Ibs.

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Contents Model Number Engine Model Number When Ordering Repair PARTS, AlwaysGive the Following Information Product Snow Thrower Part Number Part DescriptionBefore USE Fuel SafetyOperating Safety Safe Storage Safety RulesREPAIR/ADJUSTMENTS Safety Spark Plug Aintenance AgreementJstomer Responsibilities Table of Contents Contents of Hardware Pack To Remove Snow Thrower AssemblyTools Required for Assembly Measuring tape or ruLerTo Assemble Snow Chute HOW to SET UP Your Snow ThrowerTo Install the Upper Handle and Crank Assembly Roll snow thrower off the skid by pulling on the handleTo Assemble Control Cables To Install HeadlightPLASTIC\ Notchedsection Parts section of this manualTo Install the Shifter Lever To Install Shifter Lever KnobOperation VerseTo Stop Your Snow Thrower HOW to USE Your SnowThrower To Move Forward and BackwardTo USE Wheel Lockout PIN OperationBefore Starting the Engine Fill OILWarm Start Run the engine at full throttle RUN when throwingTo Stop Engine RequiredTo Start Engine Recoil Starter Frozen Recoil StarterSnow Throwing Tips Service Dates Service Records ScheduleGeneral Recommendationslubrication Chart Customer ResponsibilitiesLubrication Every 25 Hours Snow ThrowerLubrication Every TEN Hours Recommended Viscosity Grades EngineLubrication COLDER--i2 --WARMER 5W30SAE30To Adjust Scraper BAR Service and AdjustmentsTo Adjust Skid Height To Adjust Chute Crank AssemblyTo Adjust the Clutch Control Cables ServiceAdjustments To Adjust BeltsDOORS, Away from Fire or Flame To Replace BeltsAuger Drive Belt Traction Drive Belt To Adjust the Belt GuidesTo Adjust the Friction Wheel Remove the belt cover See in this sectionRemove the bottom panel See FIG To Replace Friction WheelAway from Fire or Flamf LBOTTOMPANELLocknut To Adjust CarburetorTo Replace Auger Shear Bolt Spark Plug To Adjust or ReplaceTo Adjust To ReplaceEngine Storage StorageSnow Thrower Storage OtherCause Trouble Shooting PointsTrouble Correction