Enginefailsto start
Enginerunserratically
1. PTO/BladeEngageleverengaged.
2. Parkingbrakenotengaged.
3. Sparkplugwire(s)disconnected.
4. Throttle/Chokecontrollevernotincorrect
startingposition.
5. Chokenotactivated
6. Fueltankempty,or stalefuel.
7. BIockedfuelline.
8. Faultysparkplug(s).
9. Engineflooded.
10. BlownFuse(s)
1. UnitrunningwithCHOKEactivated.
2. Sparkplugwire(s)loose.
3. Blockedfuellineor stalefuel.
4. Ventingas cap plugged.
5. Waterordirt infuel system.
6. Dirtyair cleaner.
Engineoverheats 1. Engineoillevellow. 1.
2. Airflowrestricted. 2.
Enginehesitatesat highRPM 1. Sparkpluggaptoo close. 1.
Engineidlesrough 1. Sparkplugfouled,faultyor gaptoo wide. 1.
2. Dirtyair cleaner. 2.
Excessivevibration
Mowerwillnot mulchgrass
Unevencut
1. Cuttingbladelooseor unbalanced.
2. Damagedor bentcuttingblade.
1. Enginespeedtoolow.
2. Wetgrass.
3. Excessivelyhighgrass.
4. Dullblade.
1. Decknot leveledproperly.
2. Dullblade.
3. Uneventirepressure.
1. Placeleverindisengaged(OFF)position.
2. Engageparkingbrake.
3. Connectwire(s)to sparkplug(s).
4. PlaceThrottle/Chokeleverintothe FASTposition.
5. MovetheThrottle/ChokeleverintotheChoke
position.
6. Filltankwithclean,fresh(lessthan30 daysold) gas.
7. Replacethefuellineandreplacefuel filter.
8. Clean,adjustgapor replaceplug(s).
9. Crankenginewiththrottlein FASTposition.
10. ReplaceFuse(s)
1. DeactivatetheCHOKE.
2. Connectsparkplugwire(s).
3. Replacethefuelline;filltankwithclean,fresh
gasolineandreplacefuel filter.
4. Clearventor replacecap if damaged.
5. Drainfueltank. Refillwithclean,freshgasoline.
6. Replaceair cleanerpaperelementor cleanfoam
pre-cleaner,ifequipped.
Fillcrankcasewith properamountandweightof oil.
Cleangrassclippingsanddebrisfromaroundthe
engine'scoolingfinsandhousing.
Removesparkplugandresetthe gap.
Replacesparkplug.Set pluggap.
Replaceair cleanerelementand/orclean pre-
cleaner.
1. Tightenbladeandspindle.
2. Replaceblade.
1. Placethrottlein FAST(rabbit)position.
2. Donotmulchwhengrassis wet.
3. Mowonceat a highcuttingheight,then mowagain
atdesiredheightor makea narrowercuttingswath.
4. Sharpenor replaceblade.
1. Performside-to-sidedeckadjustment.
2. Sharpenor replaceblade.
3. Checktirepressureinallfour tires.
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