OPERATOR'S MANUAL MAINTENANCE

Section E - Hydraulics
E-153 E-153
9803/9880-3
Slew Motor Reduction Gear Assembly
Removal and Replacement
TE-028
C077990
Fig 1.
Removal
!MWARNING
Hydraulic Pressure
Hydraulic fluid at system pressure can injure you.
Before connecting or removing any hydraulic hose,
residual hydraulic pressure trapped in the service
hose line must be vented. Make sure the hose service
line has been vented before connecting or removing
hoses. Make sure the engine cannot be started while
the hoses are open.
INT-3-1-11_2
1 Make the machine safe, refer to Section E, Service
Procedures.
2 Remove slew motor, refer to Section E, Slew Motor.
3 Disconnect all hydraulic hoses from the slew gearbox
and plug all orifices to prevent ingress of dirt. Label
each hose before disconnection.
4 Remove bolts X and reference pin Y.
5 Using suitable lifting equipment carefully lift slew
gearbox until clear of machine, refer to Section E,
Technical Data.
Y
X