OPERATING THE MACHINE
GTZZ18J Operation Manual 7-3 © Oct. 2022
Figure 7-2 Position of least backward stability
1. Turntable rotated to the position as shown in the figure, and articulated boom fully retracted;
2. Main boom raised to the indicated position (boom tube at 75° above the horizontal);
3. Telescopic boom fully retracted;
4. Jib boom fully raised;
5. The machine will tip over in the direction as indicated by the arrow if overloaded or operated on a tilted
surface beyond the maximum allowable tilt angle.
EMERGENCY STOP
• Push in the emergency stop button at the platform
controller to OFF position, and then all functions
controlled by the platform controller will get
inoperative.
• Push in the emergency stop button at the ground
controller to OFF position, and then all functions
controlled by the ground controller and platform
controller will get inoperative.
• Open the right turntable cover, push in the main
power switch on the right side of the chassis to OFF
position, the system power will be disconnected and
all functions will get inoperative. The main power
switch is located as shown in the below figure.
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