Enginefailsto start
Enginerunserratically
1. PTO/BladeEngageleverengaged.
2. Parkingbrakenotengaged.
3. Sparkplugwire(s)disconnected.
4. Throttle/Chokecontrollevernot incorrect
startingposition.
5. Chokenotactivated
6. Fueltank empty,or stalefuel.
7. Blockedfuelline.
8. Faultysparkplug(s).
9. Engineflooded.
10. BlownFuse(s)
1. UnitrunningwithCHOKEactivated.
2. Sparkplugwire(s)loose.
3. Blockedfuellineor stalefuel.
4. Ventingascap plugged.
5. Wateror dirtin fuel system.
6. Dirtyair cleaner.
Engineoverheats 1. Engineoillevellow. 1.
2. Air flowrestricted. 2.
Enginehesitatesathigh RPM 1. Sparkpluggaptoo close. 1.
Engineidlesrough 1. Sparkplugfouled,faultyor gaptoo wide. 1.
2. Dirtyair cleaner. 2.
Excessivevibration
Mowerwillnot mulchgrass
Unevencut
1. Cuttingbladelooseor unbalanced.
2. Damagedorbentcuttingblade.
1. Enginespeedtoo low.
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/Chokeleverintothe Choke
position.
6. Filltankwithclean,fresh(lessthan 30daysold)gas.
7. Replacethefuel lineandreplacefuel filter.
8. Clean,adjustgapor replaceplug(s).
9. Crankenginewiththrottlein FASTposition.
10. ReplaceFuse(s)See"Fuse"in Serviceand
Maintenancesection.
1. Deactivatethe CHOKE.
2. Connectsparkplugwire(s).
3. Replacethefuel line;fill tankwithclean,fresh
gasolineandreplacefuel filter.
4. Clearventor replacecap ifdamaged.
5. Drainfueltank. Refillwithclean,freshgasoline.
6. Replaceair cleanerpaperelementor cleanfoam
pre-cleaner,ifequipped.
Fillcrankcasewithproperamountandweightof oil.
Cleangrassclippingsanddebrisfromaroundthe
engine'scoolingfinsandhousing.
Removesparkplugandresetthegap.
Replacesparkplug.Set pluggap.
Replaceair cleanerelementand/orcleanpre-
cleaner.
1. Tightenbladeandspindle.
2. Replaceblade.
1. Placethrottlein FAST(rabbit)position.
2. Donotmulchwhengrassiswet.
3. Mowonceat a highcuttingheight,thenmowagain
atdesiredheightor makea narrowercuttingswath.
4. Sharpenor replaceblade.
1. Performside-to-sidedeckadjustment.
2. Sharpenor replaceblade.
3. Checktirepressureinallfour tires.
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