18
Troubleshooting
8
Problem
Cause
Remedy
EngineFailstostart
1.Bladecontroldisengaged.
2. Spark plugbootdisconnected.
3.Fueltankemptyorstalefuel.
4. Enginenotprimed(ifequippedwithprimer).
5.Faultysparkplug.
6. Blockedfuelline.
7. Engineflooded.
8. Fuelvalve(ifequipped)closed.
9.
Enginenotchoked(ifequippedwithchoke).
1.Engagebladecontrol.
2. Connectwiretosparkboot.
3.Filltankwithclean,freshgasoline.
4. PrimeengineasinstructedintheOperation
section.
5.Clean,adjustgap,orreplace.
6. Cleanfuelline.
7. Waitafewminutestorestart,butdonot
prime.
8. Openfuelvalve.Seeenginemanual.
9.
Chokeengine.Seeenginemanual.
Enginerunserratic
1.Sparkplugbootloose.
2. Blockedfuellineorstalefuel.
3.Ventingascapplugged.
4. Waterordirtinfuelsystem.
5.Dirtyaircleaner.
6. UnitrunningwithCHOKE(ifequipped)
applied.
1.Connectandtightensparkplugboot.
2. Cleanfuelline;filltankwithclean,fresh
gasoline.
3.Clearvent.
4. Drainfueltank.Refillwithfreshfuel.
5.Refertoenginemanual.
6. PushCHOKEknob in.
Engineoverheats
1.Engineoillevellow.
2. Airflowrestricted.
1.Fillcrankcasewithproperoil.
2. Cleanareaaroundandontopofengine.
Occasionalskips
(hesitates)at
highspeed
1.Sparkpluggaptooclose.
1.Adjustgapto.030
”.
Idlespoorly
1.Sparkplugfouled,faulty,orgaptoowide.
2. Dirtyaircleaner.
1.Resetgapto.030
”orreplacesparkplug.
2. Refertoenginemanual.
ExcessiveVibration
1.Cuttingbladelooseorunbalanced.
2. Bentcuttingblade.
1.Tightenbladeandadapter.Balanceblade.
2. Seeanauthorizedservicedealer.
Mowerwillnot
mulchgrass
1.Wetgrass.
2. Excessivelyhighgrass.
3.Dullblade.
1.Donotmowwhengrassiswet;waituntil
latertocut.
2. Mowonceatahighcuttingheight,then
mowagainatdesiredheightormakea
narrowercuttingpath.
3.Sharpenorreplaceblade.
Unevencut
1.Wheelsnotpositionedcorrectly.
2. Dullblade.
1.Placeallfourwheelsinsameheightposition
(ifequippedwithindividualheightadjusters).
2. Sharpenorreplaceblade.
