Simplicity 2690770 Replace Spark Plug, Pre-Cleaner Service, Air Filter Service Pre-Cleaner

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Pre-Cleaner Service

NOTE: Replace a worn or damaged pre-cleaner.

1.Figure 30. Wash the pre-cleaner in liquid detergent and water.

2.Squeeze the pre-cleaner dry and saturate with engine oil. Remove all excess oil by squeezing the pre-cleaner in an absorbent cloth.

Air Filter Service

NOTE: Replace a worn or damaged air filter.

Pre-Cleaner

1.

2.

Air Filter

1.

2.

1.Figure 30. If stamped “Washable,” the filter can be washed with warm water and mild soap.

2.Rinse with tap water with the screen side UP allowing dirt and debris to filter out.

3.Allow the filter to dry overnight before reinstalling.

Figure 30. Air Filter Service

REPLACE SPARK PLUG

Service Interval: Yearly

Replacement Spark Plug: 5066

Spark Plug Gap: .030” (.76mm)

1. Stop the engine and allow it to cool.

2. Clean the area around the spark plug.

3. Remove the spark plug.

4. Check the spark plug gap. It should be .030” (see Figure 31).

5. Reinstall the plug into the cylinder head. Torque the plug to 180 in. lbs (20 N.m.).

Figure 31. Spark Plug Gapping

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Contents Paper Size PressBindery CoversPage OPERATOR’S Manual 20HP Zero-Turn RidersPage Table of Contents Safety Rules General OperationIgnition System Only Ride UP and Down Hill Not Across Hill Degrees MAX Service & Maintenance Safe Handling of GasolineSafety & Operation Decals 2690716Mfg. No Identification Numbers ID TagOperation Control FunctionsGround Speed Levers Parking Brake Engine Speed ControlGeneral Operating Safety Checks Before Starting Fuel RecommendationsEmergency Stopping Stopping the Rider & EngineStarting the Engine MowingDriving Practice Smooth TravelForward Travel Practice Reverse Travel PracticePractice Turning Around a Corner Practice Turning In PlaceExecuting Turns Executing an End-Of-Row Zero TurnInstalling the Mower Deck Mower Deck Removal InstallationRemoving the Mower Deck Maintenance Maintenance ScheduleRider MAINTENANCE, All Models 20HP Briggs & StrattonAccessing the Engine Compartment Clean Debris from Rider Engine CompartmentClean Debris from Engine Cooling Areas and AIR Filter Check Tire PressureGrease LubricationOil Clean Deck Check / Replace Mower Blades Blade RemovalCheck Rider Safety System Clean the Battery and CablesOperational Safety Checks Check / Adjust PTO Clutch Adjust PTO Clutch Window Adjustment Nut Feeler GaugeChange Engine OIL Check Engine OIL LevelChange Engine OIL & Filter Service AIR Filter PRE-CLEANER Air Filter Removal & InstallationAir Filter Service Pre-Cleaner Pre-Cleaner ServiceReplace Spark Plug Service & Adjustments Ground Speed Control Lever AdjustmentSpeed Balancing Adjustment Cutting Height AdjustmentBrake Adjustment Battery ChargingEngine Adjustments 62cmMower Deck Leveling Adjustments Side to Side LevelingMower Drive Belt Replacement Mower Belt ReplacementFront To Back Leveling Storage StorageBefore Storage After StorageTroubleshooting Troubleshooting the RiderTroubleshooting the Mower Specifications Service ItemsEngine Transmission ChassisPage HOW and When to WATER, FertilizeAerate HOW High to MOW the GrassWhen and HOW Often to MOW Proper Mowing Speed