36
2‒2‒1 HydraulicOilSpecifications
Selectthehydraulicoiltypesbyreferringtothe
followingfigure:
Table7‒2 HydraulicOilSpecifications
Type Specifiedbrand Grade
Intendedfor
generalusage
ShellTellusS2M22
orequivalent
ISOVG22
Forcold
region
JXTGNipponOil&Energy
HydluxLT15
orequivalent
M094K121
-20 -10 0 10 20 30 40(℃)
Ambientairtemperature
General
ForCold
Region
Fig.7‒3
NOTICE
•Whentheoutdooratmospheric
temperatureislowerthantheserviceable
temperaturerangeofthehydraulicoil
beingusedinthemachine,firstraisethe
hydraulicoiltemperaturebyallowingthe
machinetorunidleforwarmupbefore
startingwork.
•Thehydraulicoiltemperaturecurvediffers
withtheoperationtimeandworkdetails.
Ifthehydraulicoiltemperatureovershoots
inanabnormalwaybythelong-time
operationorbythehighloadwork,
interrupttheworktoallowthehydraulic
oiltemperaturetogodown.
•ContactAICHIoranAICHIdealerforthe
replacementwork.
•Forotheroils,refertoSection3‒3‒1“List
ofRecommendedLubricants”inthis
chapter.
2‒3 ChecktheBatteryFluidLevel
CAUTION
Thebatteryfluidcontainscorrosiveacid.
Whendealingwiththebattery,always
wearappropriateprotectiveclothingand
equipmenttoprotectyourhands,eyes,
faceandbody,andavoidcontacting
batteryfluid.
Checkthebatteryfluidlevelineachcell.It
shouldbebetweenthe“UPPERLEVEL”and
“LOWERLEVEL”lines.
Upperlevel
Ventcap
Lowerlevel
M161C120
Fig.7‒4
Whentheamountoffluidnearsthe“LOWER
LEVEL”line,openthecapandfillwithdistilled
watersoitisatthe“UPPERLEVEL”line.
NOTICE
•Ifoperationcontinueswithinsufficient
batteryfluid,thebatterylifeisshortened,
andthebatterymayoverheatand
explode.
•Donotoverfill.
•Donotaddanythingotherthandistilled
water.Failuretoobeythisinstruction
couldshortenthebatterylife.
Wipeupanyspillsimmediately.Keepthe
terminalsandtheuppersurfaceofthebattery
clean.