Hayter Mowers 533A manual Spark Plug Service, Keeping Engine Clean

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MOWER MAINTENANCE

Spark Plug Service

Use only Briggs & Stratton spark tester (1) to check for a spark as shown in the diagram.

Replace the spark plug every 100 hours or every season, whichever

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occurs first. A spark plug wrench is available from any authorised Briggs & Stratton service dealer.

Check the spark plug gap with a feeler gauge and set at 0.76mm.

Keeping Engine Clean

Remove all grass and debris from the engine including the exhaust/exhaust guard, the air ways in the top cowl and the surround- ing deck areas on a daily basis after use. Never spray the engine with water during cleaning. Water can contaminate the fuel. Always clean with a brush or compressed air.

Grass and debris may clog the engine’s air cooling system especially after prolonged operation while cutting tall, dry grass. The internal cool- ing fins and surfaces may require cleaning to prevent overheating and engine damage. We recommended that this service be carried out by an authorised Briggs and Stratton dealer.

Grassbag

Remove grass debris from the grassbag immediately after use and check its condition for signs of damage.

To prevent accidents replace a damaged grassbag immediately.

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Contents Double Main Features Main Features /SPECIFICATIONSSpecifications Model Code 533AContents Introduction Limited Warranty WarrantySafety Alert Symbol Safety PrecautionsTraining PreparationOperation Stop the engine and disconnect the spark plug lead Maintenance & StorageDecal Symbols Safety SymbolsAdjust Handlebar Height Delivery ChecklistAssembling the Mower HandlebarPrevent Engine Damage Before Starting the MowerOil Type Check Oil LevelControls Operating the MowerStarting Step StepTurning Forward TravelStopping SlopesBefore Mowing Height of CutGrassbag MulchingNon-Grassed Areas Side DischargeLawn Care Calendar September AugustOctober NovemberMaintenance Schedule Throttle Cable Adjustment Mower MaintenanceCarburettor Adjustments EngineAir Cleaner Service Oil ServiceKeeping Engine Clean Spark Plug ServiceDeck Housing Clutch Cable AdjustmentSecuring Nuts & Bolts Cutterblade Removal LubricationCutterblade Sharpening Cutterblade AssemblyStorage Problem Possible Fault Remedy Trouble ShootingTrouble Shooting EC Declaration of Conformity Declaration of ConformityDescription QTY Item Note Parts ListNO. Description QTY Item Note Parts List Parts Customer Information /NOTES