Case 2050M - Hydraulic and Hydrostatic Drive Filter and Fluid

7-MAINTENANCE
Hydraulicandhydrostaticdrivelteranduid
WARNING
Pressurizedhydraulicuidcanpenetratetheskinandcausesevereinjuries.
Hydraulicuidisunderextremepressure.Restthebucketorattachmentontheground.Shutthe
engineoff,turnthekeyon,andmovethehydrauliccontrolleverthroughallmovementsseveraltimes
torelieveresidualpressureinthesystem.
Failuretocomplycouldresultindeathorseriousinjury.
W0161A
Changethehydraulic/hydrostaticdrivesystemoilandltersevery2000hoursofoperationandevery2000hours
thereafter.Changetheoilmorefrequentlywhenoperatingconditionsaresevere.
Prioroperation:
Keepallunauthorizedpersonnelclearofthearea.Parkthemachineonlevelground,inneutralwiththeparking
brakeapplied,andtheattachmentloweredtotheground.Makesurethatallresidualpressureisrelievedfromcircuits
beforebeginningmaintenance.
Servicespecications
TypeofoilTUTELAAUTOSUPREME™ENGINEOILSAE10W-30
Totalsystemcapacity
210L(55USgal)
1.Stoptheengine.PutaDoNotOperatetagonthekey
switch.
2.Makesuretheaccumulatorsonthemachinearecom-
pletelydischarged.
3.Cleantheareaaroundthehydraulicoilllercap,and
slowlyloosenthecap.
RAPH12DOZ128AA1
4.Removetheboltsandthecoverplatefromtherearof
themachine.
RAIL13DOZ1266AA2
7-79