PRE-OPERATION FUNCTION TEST
GTZZ15J Operation Manual 6-5 © Nov. 2022
1. Flip both the enable switch and the engine start
switch, the engine should fail to start.
2. Flip the engine start switch without flipping the
enable switch, the engine should start normally.
3. Flip any function switch without flipping the
enable switch, the corresponding function should
be inoperative.
4. Flip any function switch together with the enable
switch, each function should be performed
normally.
Articulated boom luffing switch
1. Flip the enable switch and meanwhile move
upward the articulated boom luffing switch, if the
articulated boom is not fully raised at that time,
the articulated boom shall go up smoothly without
shaking or abnormal noise; if the articulated boom
is fully raised at that time, the articulated boom
shall extend smoothly without shaking or
abnormal noise.
2. Flip the enable switch and meanwhile move
downward the articulated boom luffing switch, if
the articulated boom is not fully retracted at that
time, the articulated boom shall retract smoothly
without shaking or abnormal noise; if the
articulated boom is fully retracted at that time, the
articulated boom shall go down smoothly without
shaking or abnormal noise, and the buzzer shall
sound intermittently.
Main boom luffing switch
1. Flip the enable switch and meanwhile move
upward the main boom luffing switch, the main
boom shall go up.
2. Flip the enable switch and meanwhile move
downward the main boom luffing switch, the main
boom shall go down and the buzzer will sound.
Main boom telescoping switch
1. Flip the enable switch and meanwhile move the
main boom telescoping switch to the right, the
main boom should extend smoothly.
2. Flip the enable switch and meanwhile move the
main boom telescoping switch to the left, the main
boom should retract smoothly.
Turntable rotation switch
1. Flip the enable switch and meanwhile move
upward the turntable rotation switch, the turntable
should rotate counterclockwise.
2. Flip the enable switch and meanwhile move
downward the turntable rotation switch, the
turntable should rotate clockwise.
Platform leveling switch
FALL HAZARD
The platform leveling function is only
used for slight adjustment of the
platform. Improper operation may result
in unintended movement or fall of the
load/occupants.
1. Flip the enable switch and meanwhile move
upward the platform leveling switch, the platform
should level up.
2. Flip the enable switch and meanwhile move
downward the platform leveling switch, the
platform should level down.
Platform rotation switch
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