PRE-OPERATION FUNCTION TEST
GTZZ18J Operation Manual 6-13 © Oct. 2022
NOTICE
“Anti-pinch/soft touch unlock switch” is only used to
get rid of the obstruction when the machine comes
into contact with an obstruction.
When the machine comes into contact with an
obstruction, flip the anti-pinch/soft touch unlock
switch, the machine can move away from the
obstruction.
X/Y drive switch (if equipped)
Not used.
TESTING DRIVE SPEED
1. Flip the engine start switch at the platform
controller.
2. Depress the foot switch.
3. Slowly push forward the drive/steer proportional
control handle to full drive speed.
4. Flip the engine speed select switch at the platform
controller to switch from low speed to high speed.
5. Flip the drive speed select switch at the platform
controller upward to switch from low speed to high
speed.
6. The test results should be as shown in the table
below:
Table 6-4
POSITION MAX DRIVE SPEED
Operating 1.1Km/h (0.68mph)
Non-operating 5Km/h (3.1mph)
NOTICE
If the drive speed exceeds the speed value as shown
above by 10%, please immediately tag the machine
and remove it from service.
TESTING THE EMERGENCY
LOWERING FUNCTION
When the engine/motor fails, depending on the actual
conditions, flip the emergency power switch on the
ground or platform controller to start the emergency
power unit, and meanwhile flip the function switch to
enable the required boom movement.
NOTICE
• The emergency power switch is only used for a
short period of time (with the platform fully
lowered and retracted to the minimum degree and
length) when the engine/motor fails.
• When the emergency power is in use, do not
perform two or more functions simultaneously,
otherwise the auxiliary motor and pump will get
overloaded.
Operating from the ground:
1. Turn the Ground/Platform select switch on the
ground controller to the ground control position.
2. Pull out the emergency stop button on the ground
controller to the ON position.
3. Flip and the hold the emergency power switch on
the ground controller.
4. Flip the corresponding boom function switch on the
ground controller to lower the platform.
Operating from the platform:
1. Turn the Ground/Platform select switch on the
ground controller to the platform control position.
2. Pull out the emergency stop button on both the
ground and platform controllers to the ON position.
3. Depress the foot switch, and flip and hold the
emergency power switch on the platform controller.
4. Flip the corresponding boom function switch on the
platform controller to lower the platform.
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