TROUBLESHOOTING
5‑1TROUBLEANDREMEDY
[tisessentialtodetectanyabnormaIityatearlystageandpreventtroubleinadvanceby
fullyunderstandingnormalperformanceandconditionsofthemachineduringdai!y
operation.Ifanyabnormalityisdetected,immediate[yinvestigatecauseandtake
necessaryactionsuchasadjustment,repair,andsoon.Keepingoperationwithdetected
abnormalitymaycausemoreserioustroubIe.
Regardingtoproceduresmarkedwith★,contactthedistributororservicepersonnel.
■Engine
SYMPTOMPROBABLECAUSEREMEDY
Enginedoesnotstart.・Shotoffuel●Supplyfuelandbleedair.
●C[oggedfuel創ter●Cleanthefuelfilter.
●Mixedwaterinfuelsystem・Drainmixedwater.
・StoPPedfuelpump●RepIacethefuelpump.
・Burnedfuse■Checkandrep[acefuse.
●1nsu伍cientlychargedbattery●Chargethebattery.
・Defectofwiring★Checkandrepairwires.
●Defectofinjectionpumpornozz[e★Repairandreplacepumpornozzle.
●Insuf何cientcompressedpressure★Repairpa㎡s.
Engineoilpressure●Shortofoi口noilpan・SUPP[yoiI.
waming[amp[ights.●Cloggedoi]創ter・Rep[acee[ement.
●Defectofoilpressureswitch★Replacepa吐s.
●Defectofmonitor★Repiacepaぱs.
Enginewatertemperature●Shortorieakageofcoolant●SupPlycoo]antorfixwaterleakage.
gauge。Slackoffanbelt・Adjusttensionoffanbelt.
●Damageorstaininsidethecooling.Replacecoolantanddeancooling
systemsystem、
●Cloggedradiator行norfallof而n●C[eanorrepair蒋n.
●Defectofthermostat★Rep[acethermostat.
●Defectofthermosensororwater★Replacewatertemperaturegaugeor
temperaturegaugesensor.
Enginewaterthermometer●Defectofthermostat★Replacethermostat.
gaugepointswhitezone
evenafterIongoperation
Exhaustoftheengineis●ExcessiveoilofoiIpan●DrainoiluptothespecifiedleveL
whiteorblue.●Mixedwaterinfuel・Drainmixedwater.
Exhaustofengineisb[ack・Oilofpoorqua[ity・Replacewithspeci屑edfuel.
ofdarkgray.●C[099edaircleaner●C]eanorrep]aceC[eaner.
●Defectofnozzle★Rep[acenozzle.
●Insufncientlycompressed★Disassembletorepairorreplace
P「essu「e
5‑1