March 2021
Service and Repair Manual
Hydraulic Pump
Part No. 1272217GT
GS
™
-30 • 32 • 46 • 47
53
How to Remove the Hydraulic Pump
How to Remove the Hydraulic
Pump
Note: When removing a hose assembly or fitting,
the O-ring (if equipped) on the fitting and/or hose
end must be replaced. All connections must be
torqued to specification during installation. Refer to
Specifications,
Hydraulic Hose and Fitting Torque
Specifications.
1 Disconnect the battery pack from the
machine.
Electrocution/burn hazard.
Contact with electrically charged
circuits could result in death or
serious injury. Remove all rings,
watches and other jewelry.
2 Tag and disconnect the hydraulic power unit
cables at the motor controller.
3 Disconnect the filter head from the filter head
mounting bracket. Rotate the filter out and
away from the hydraulic power unit.
4 Remove the hydraulic power unit retaining
fasteners.
5 Tag, disconnect and plug the hydraulic tank
hard line from the pump. Cap the fitting on the
pump.
6 Tag, disconnect and plug the high pressure
hose from the pump. Cap the fitting on the
pump.
Bodily injury hazard. Spraying
hydraulic oil can penetrate and
burn skin. Loosen hydraulic
connections very slowly to allow
the oil pressure to dissipate
gradually. Do not allow oil to
squirt or spray.
7 Remove the hydraulic power unit from the
machine.
8 Remove the pump mounting bolts. Carefully
remove the pump.
Tip-over hazard. After replacing
the hydraulic pump, it is critical
to return the function speed
settings to original factory
specifications. Failure to restore
the machine to original factory
specifications could cause the
machine to tip over resulting in
death or serious injury.