IHI IC70-2 Operation Manual page 93

Itisessentialtodetectanyabnorma[ityatearlystageandpreventtroubleinadvanceby
fuIlyunderstandingnormalperformanceandconditionsofthemachineduringdaily
operation。Ifanyabnormaiityisdetected,immediatelyinvestigatecauseandtake
necessaryactbnsuchasadjustment,repair,andsoon.Keepingoperationwithdetected
abnorma]itymaycausemoreserioustrouble.
Regardingtoproceduresmarkedwith★,contactthedistributororservicepersonneI.
■Engine
SYMPTOMPROBABLECAUSEREMEDY
Enginedoesnotstart.・ShotoffueI●Supplyfuelandbleedair.
Engineoilpressure●ShortofoHinoilpan・Supplyoil.
waminglamp[ights.・Clo99edoi田lter●RepIaceeIement.
Enginewatertemperature●ShortorIeakageofcooIant●SupPlycooIantor行xwaterleakage.
gauge・Siackoffanbeit●Adjusttensionoffanbelt.
Enginewaterthermometer●Defectofthermostat★Replacethermostat.
gaugepointswhitezone
evenafterIongopera重ion
Exhaustoftheengineis.ExcessiveoilofoiIpanoDrainoiluptothespecifiedIevel.
whiteorbIue.●MixedwaterinfueI・Drainmixedwater.
Exhaustofengineisblack●Oi[ofpoorquality・Rep]acewithspecifiedfuel.
ofdarkgray.●Clo99edaircleaner■CIeanorreplaceCleaner.
TROUBLESHOOT誕NG
5卿1TROUBLEANDREMEDY
●CloggedfueI捌ter●CleanthefuelfiIter.
●Mixedwaterinfuelsystem●Drainmixedwater.
・StoPPedfuelpump●Repiacethefuelpump.
・Burnedfuse●Checkandrepiacefuse.
●1nsuf「icientIychargedba廿e【y●Chargetheba廿ery、
・Defectofwiring★Checkandrepairwires.
。Defectofinjectionpumpornozzle★RepairandreplacepumpornozzIe.
●lnsu伍cientcompressedpressure★Repairpaほs,
●Defectofoilpressureswitch★RepIacepa貢s.
●Defectofmonitor★RepIacepa貢s.
・Damageorstaininsidethecooling●Replacecooiantandcleancooiing
systemsystem、
・CIo99edradiatorfinorfallof罰n・αeanorrepair莉n.
・Defectofthermostat★Replacethermostat.
●Defectofthermosensororwater★Rep[acewatertemperaturegaugeor
temperaturegaugesensor.
・DefectofnozzIe★Replacenozzle.
●lnsufncientlycompressed★Disassembletorepairorreplace
P「essure
5‑1