OPERATiON
3-6AFTERSTARTINGTHEENG匪NE
!CAUTiON
Keepenginespeedbwuntiltheengineoil
pressurewamingiamp90esout.Ifitdoesnot
gooutwithin10seconds,stoptheengineand
investigatethecausebeforestartingagain.
Failuretodoso,cancauseenginedamage.
Thiswi]laIlowtheo目toreachrelief
pressure,whichcausesittowarm
morerapidly.
CycleaIlcontro[stoal]owwarmoil
tocirculatethroughcylindersand
lines.
1.AllowtheenginetowarmupatLOWIDLE
foratleastfiveminutes.Engageand
disengagetheimplementcontrolstohelp
speedwarmupofhydraullccomponents.
!CAUTiON
4.Observethegaugesandindicators
frequentlyduringtheoperation.
*Thehydrauliccontrolva!vemaybecome
overheatedifthedumpisoperated
continuouslyunderreliefconditions.
*Operatethecontrolvalvefor10to15
secondsandthenreturnthecontrolleverto
theHOLDposltionforfivetotenseconds.
2.TowarmupthehydraulicoH,movetheengine
throttieievertomediumenginespeed.Run
theengineforaboutfiveminuteswhi]e
intermittentlyholdingthedumpcontrolleverin
thedumpIowerposition.
3.Turntheenginethrottlelevertothe
maximumenginespeed.Runtheenginefor
anadditionalfiveminuteswhi[eintermittently
ho[dingthedumpcontro口everinthedump
bwerposition.
OO
Coolanttemperature
一gauge臨to「L[正細團團團團竃
β
Oo
①Dumplever
1蕊
4.敵
しower
諺
Q
3‑7
BREAK‑IN"OPERATlON
Incaseofthenewmachine,asthesevere
operationfromthebeginningwiIIhaveabad
influenceuponthemachineIife,performthe
enoughbreak‑inoperationasdescribedthe
righttable.
HourmeterLoad
UptoIOhoursAbout60%[oad
Upto50hoursAbout80%bad
After50hoursFu旧oad
3‑18