Sinoboom GTZZ15J - Testing the Drive Speed; Testing the Emergency Lowering; Function

PRE-OPERATION FUNCTION TEST
GTZZ15J Operation Manual 6-13 © Nov. 2022
NOTICE
The anti-pinch/soft contact unlock switch is only used
to break away from the obstacle when the machine is
stuck by an obstacle.
When the machine is stopped by an obstacle, flip the
anti-pinch/soft contact unlock switch to help the
machine break away from the obstacle.
Work light switch (if equipped)
Flip the work light switch, the work light should be on/
off.
X/Y drive switch (if equipped)
Not used.
TESTING THE DRIVE SPEED
1. Flip the engine start switch on the platform
controller.
2. Depress the foot switch.
3. Slowly push forward the drive/steer proportional
control handle to full drive speed.
4. Move the engine speed select switch on the
platform controller to select the engine high speed.
5. Move upward the drive speed select switch on the
platform controller to select the drive 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 test results as shown
above by 10%, please immediately tag and remove
the machine 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.
X
Y
CAUTION