Genie GTH-636 Service Manual page 117

June 2007
REV B
How to Install the
Function Pump
1 Carefully install the hydraulic pump onto the
transmission. Install the fasteners and tighten to
finger tight.
2 Torque the fasteners evenly to
85 ft-lbs / 115 Nm.
3 Install the smaller high pressure hose onto the
pump outlet. Torque the fasteners to
27-37 ft-lbs / 37-50 Nm.
4 Install the larger low pressure hose onto the
pump outlet. Install the hose retaining rings and
fasteners. Torque the fasteners to
55-66 ft-lbs / 74-90 Nm.
5 Working at the case drain at the top of the
pump, fill the pump with hydraulic fluid until the
fluid is at the top of the case drain fitting.
6 Install the case drain hose onto the pump and
torque to specification. Refer to Section 2,
Specifications .
7 Securely install the wire harness onto the pump.
8 Install the heat exchanger onto the chassis
bulkhead. Install and securely tighten the
fasteners. Do not over tighten.
9 Check the level of the hydraulic fluid in the
hydraulic tank. Add fluid if needed.
10 Working inside the cab, press and hold the
button.
OFF
Note: The button is located under the
PUMP OFF
steering wheel.
Part No. 97487 GTH-636 • GTH-644 • GTH-842 • GTH-844 • GTH-1048 • GTH-1056
11 Start the engine.
12 Release the
13 Press and hold the
second, then release.
14 Repeat step 13.
15 Turn the machine off.
PUMP
Section 4 • Repair Procedures
HYDRAULIC PUMP
button for two seconds.
PUMP OFF
button for one
PUMP OFF
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