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Operator's Manual
Controls And Instruments
MANUAL CONTROLS - GTH-4013 EX & GTH-
4017 EX
If the control lever is malfunctioning or a function
cannot be operated, it is possible to use the
emergency manual controls of the main valve.
The main valve has two control levers that operate
the following functions:
Lever 1 In position A Boom down
In position B Boom up
Lever 2 In position A Boom telescope in
In position B Boom telescope out
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:
•
Press the emergency stop button in the cabin
or in the plarform.
•
Open the rear cover to reach 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.
68
GTH-4013 SX - GTH-4017 SX - GTH-4013 EX - GTH-4017 EX
First Edition - Second Printing
DANGER
When operating the emergency controls in
manual mode, the load limiting device is disabled.
WARNING
For the use of the emergency controls, observe
the following sequence:
Lever 2 in A
Boom fully retracted
Lever 1 in A
Boom lowered
B
A
Z
09 4618 1416
Part No. 57.0009.0540
Courtesy of Crane.Market
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