
Service and Repair Manual
May 2021
Hydraulic Pump
46
GS
™
-2669 DC • GS
™
-3369 DC • GS
™
-4069 DC
Part No. 1306585GT
Hydraulic Pump
5-1 Hydraulic Pump
5-1
Hydraulic Pump
The hydraulic pump is a single section, gear-type
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.
How to Test the Hydraulic Pump
How to Test the Hydraulic Pump
1 Connect a 0 to 5000 psi / 0 to 350 bar
pressure gauge to test port #1 (TP1) on the
function manifold.
2 Remove the platform controls from the
platform and place the controls near the
function manifold on the tank side of the
machine.
3 Steer the machine fully to the right or left and
hold. Note the pressure reading on the
pressure gauge. Refer to Specifications,
Hydraulic Specifications
.
How to Remove the Hydraulic Pump
How to Remove the Hydraulic
Pump
1 Tag, disconnect and plug the hydraulic hoses
on the pump. Cap the fittings 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.
2 Remove the pump mounting bolts. Carefully
remove the pump.
Component damage hazard.
After replacing the hydraulic
pump, it is critical to return the
lift and drive speed settings to
original factory specifications.
Refer to Specifications,
Performance Specifications
.
Summary of Contents for Genie GS-2669 DC
Page 138: ...Service and Repair Manual May 2021 126 Ground Control Box Layout ...
Page 140: ...Service and Repair Manual May 2021 128 Platform Control Box Layout ...
Page 141: ...May 2021 Service and Repair Manual 129 Electrical Schematics Electrical Schematic ...
Page 144: ...Service and Repair Manual May 2021 132 Electrical Schematic ...
Page 145: ...May 2021 Service and Repair Manual 133 Hydraulic Schematics Hydraulic Schematic ...
Page 147: ......