7-MAINTENANCE
Frontandrearaxleoil-Change
Drainandreplacethefrontandrearaxleoilevery1000hoursorevery500hourswhenoperatingconditionsare
severe.
Shortentheoilchangeintervalinsevereapplicationswhenoperatedunderextremebrakingconditions,ambienttem-
peraturegreaterthan40°C(104.0°F)orusingoversizedattachments.
Prioroperation:
Keepallnon-authorizedpersonnelclearofthearea.Parkthemachineonlevelground,inneutralwiththeparking
brakeappliedandtheattachmentloweredtotheground.
621GServicespecications-TUTELATRANSAXLEFLUIDSAE80W-140
Frontaxle(standardandoptional)21.5L(22.7USqt)
Rearaxle(standardandoptional)21.5L(22.7USqt)
721GServicespecications-TUTELATRANSAXLEFLUIDSAE80W-140
Frontaxle
35L(37USqt)
Rearaxle
23L(24.3USqt)
721GOptionalaxle-TUTELATRANSAXLEFLUIDSAE80W-140
Frontaxle
35L(37USqt)
Rearaxle
35L(37USqt)
NOTE:donotuseGL-5oilintheseaxles.
1.Installthetransport/servicelinkintothelockedposition
topreventunexpectedarticulationmovements.
2.Cleantheareaaroundthedrainandllcapsofboth
axles.Cleantheareaaroundthefouraxleends.
3.Placeasuitablecontainerwithsufcientcapacityto
capturetheoldoilunderthefrontandrearaxles.Re-
movethedrainplugandallowoiltodrain.
RCPH10WHL081AAH1
4.Placeasuitablecontainerwithsufcientcapacityto
capturetheoldoilundereachaxleend.Removethe
drainplugstoallowoiltodrain.
RCPH10WHL082AAH2
5.Reinstallthedrainplugsofbothaxlesandthefouraxle
ends.T akecarenottodamagethedrainplugseal.
7-104