© Oct. 2022 6-12 GTZZ18J Operation Manual
PRE-OPERATION FUNCTION TEST
Rear position drive switch
When the rear position indicator light is flashing, the
drive function should be closed. Flip the rear position
drive switch, the light shall be lit and the drive
function should resume.
NOTICE
When driving reverse, the machine will drive and
steer in opposite direction as indicated.
Hydraulic generator switch (if equipped)
When the engine runs at idle speed stably, depress
the foot switch and move the hydraulic generator
switch. All movements (including boom and travel
movements) of the machine will be stopped, and the
engine will automatically turn to high speed. After the
engine runs at high speed stably for 5s, the solenoid
valve of the hydraulic generator will be energized and
start to generate electricity.
Lighting lamp switch (if equipped)
Flip the lighting lamp switch, the lighting lamp should
be on/off.
Buzzer
The buzzer should give a sound-light alarm at variable
frequency in the event of any of the following situations:
• Main boom or jib boom down
• Machine overloaded
• Machine tilted
• Length sensor faulted
• Angle sensor faulted
• Other faults
System distress indicator light
The system distress indicator light will be lit under
any of the following conditions:
• Low fuel level
• Low engine oil pressure
• High engine water temperature
• CAN bus error
• Other faults
Chassis tilt indicator light
When the machine is tilted, the alarm should sound
and the chassis tilt indicator light should be on.
NOTICE
Should the chassis tilt indicator light come on when
the boom is raised or extended, retract and lower the
boom to stowed position.
Overload indicator light
When the load on the platform exceeds the rated
platform capacity, the overload indicator light should
be on.
High engine speed indicator light
When the engine runs at high idle (rpm), the high
engine speed indicator light should be on.
Anti-pinch/soft touch unlock switch (if
equipped)
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