August 2021 Service and Repair Manual
Hydraulic Pump
Part No. 1309020GT GS
â„¢
-30m • 32m • 30 • 32 • 46 • 55 45
4-1
Function Pump
The hydraulic pump is attached to the motor which
makes up the hydraulic power unit.
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.
Models with electric drive
1 Disconnect the battery pack from the
machine.
Electrocution/burn hazard.
Contact with electrically charged
circuits coul
d result in death or
serious injury. Remove all rings,
watches and other jewelry.
2 Refer to Repair Procedure, How to Remove
the Hydraulic Tank.
3 Disconnect the filter head from the filter head
mounting bracket. Rotate the filter out and
away from the hydraulic power unit.
4 Tag, disconnect and plug the hoses from the
power unit. Cap the fittings on the power unit.
5 Remove the hydraulic power unit mounting
bolts, then remove the hydraulic power unit
from the machine.
6 Tag and remove the hydraulic tank mounting
bolts and clamps, then remove the hydraulic
tank from the machine.
7 Disconnect the pump inlet line and remove
the pump mounting bolts. Cap the fittings on
the pump, manifolds and hydraulic tank.
8 Carefully remove the pump.
Models with hydraulic drive
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.
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