Beforeperforminganytypeof maintenance/service,disengageallcontrolsand stoptheengine.Waituntilall movingpartshavecometoa completestop.Disconnectsparkplugwireandgrounditagainsttheengineto preventunintendedstarting.Alwayswearsafetyglassesduringoperationor whileperforminganyadjustmentsor repairs.Enginefails to startEnginerunserratically1. Throttlelevernot in correctstartingposition2. Chokenot in the CHOKEposition3. Sparkplugwire disconnected4. Faultyspark plug5. Fueltank emptyor stale fuel6. Cannotpull recoilcord7. Engineflooded1. Unit runningon CHOKE2. Sparkplugwire loose3. Stalefuel4. Wateror dirt in fuel system5. Dirtyair cleaner6. LowengineRPM7. Carburetorout of adjustment1. Engineoil levellow2. Air flow restrictedEngineoverheatsEnginehesitatesat high RPMs 1. Sparkpluggap set toocloseEngineidles poorly 1. Fouledspark plug2. Dirtyair cleanerExcessivevibration 1. Loosepartsor damagedimpellerUnitdoes notdischarge 1. Chuteddlector cloggedRateof dischargeslowsconsiderablyor compositionofdischargedmaterialchanges2. Foreignobject lodgedin impeller3. Lowengine RPM1. LowengineRPM2. Chipperbladedull1. Movethrottleleverto START/RUNposition.2. MoveCHOKEto theCHOKEposition.3. Connectwireto spark plug.4. Clean,adjustgap,or replace.5. Filltank with clean, freshgasoline.6. Obstructionlodgedin impeller.Disconnectsparkplugwire and removelodgedobject.7. Waita few minutesto restart.1. Movechokeleverto the RUNposition.2. Connectand tightenspark plugwire.3. Filltank with fresh gasoline.4. Refillwith fresh fuel.5. Cleanor replaceair cleanerfilter.6. Alwaysrun engineat full throttle.7. Contactyour SearsParts& RepairCenter.1. Fillengine with properamountand type of oil.2. Cleandebrisfrom aroundthe engine'scoolingfinsand blowerhousing.1. Removesparkplug and adjustgap.1. Replacesparkplug and adjustgap.2. Replaceair cleanercartridge.1. Stopengineimmediatelyand disconnectsparkplugwire.ContactyourSearsParts & RepairCenter.1. Stopengineimmediatelyand disconnectsparkplugwire. Cleanflail screenand insideof dischargeopening.2. Stopengineand disconnectspark plugwire.Removelodgedobject.3. Alwaysrun engineat full throttle.1. Alwaysrun engineat full throttle.2. Replaceor sharpenchipperbladeor contactyourSearsParts& RepairCenter.