MANUAL CONTROLS
If the control lever is defective or a function cannot
be operated, it is possible to use the emergency
controls of the main valve.
The main valve has 5 small control levers that operate
the following functions:
Lever 1
In position
A
Boom telescope out
In
position
B
Boom telescope in
Lever 2
In
position
A
Boom up
In
position
B
Boom down
Lever 3
In
position
A
Plate pitched back
In
position
B
Plate pitched forward
Lever 4
In
position
A
Attachment locked
In
position
B
Attachment unlocked
Lever 5
In
position
A
Turntable rotated counter-
clockwise
In position
B
Turntable rotated clockwise
The manual controls can be used only if the
machine is running or it is equipped with the
emergency pump.
In order to operate the emergency pump with the
manual controls, follow the instructions below:
• Open the rear hatch to access to the main
valve.
• Fit the control levers (supplied) to the elements
of the main valve.
• Activate the emergency pump by holding button
Z
pressed down. If the button is released, the
pump stops.
• Shift the lever of the main valve to the position
corresponding to the movement you wish to
obtain.
DANGER
• When operating the emergency controls in
manual mode, the load limiting device is
disabled.
• Do not operate lever
3
(forward/back pitching)
using the manual controls.
WARNING
For the use of the emergency controls, observe
the following sequence:
Lever
1
in
B
Boom fully retracted
Lever
2
in
B
Boom
lowered
Controls And Instruments
54 GTH-4518ER - GTH-4020ER - GTH-6025ER Part No. 57.0009.0404
Operator’s Manual
First Edition - Third Printing
Summary of Contents for Genie GTH-4020 ER
Page 188: ......
