LGMG SR1623, Operation And Maintenance Manual

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Lifting Work Platform Operation and Maintenance Manual
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Result: The engine shall be shut down and all functions shall be disabled.
6) Turn the key switch to the operation platform control unit, and pull out the red emergency shutdown
switch to the "On" position on the GCU.
7) Start the engine through the work platform.
8) It is strictly forbidden to press the function enabling switch and try to perform all platform functions.
Result: Operation of all platform functions shall be forbidden.
9) Press and hold the function enabling switch. Try to perform all platform functions.
Result: All platform functions shall be performed for a full cycle.
10) Push the red emergency shutdown switch button on the PCU to the "Off" position.
Result: The engine shall be shut down and all functions shall be disabled.
11.6 Check for Tilt Sensors and Buzzers
This step is performed every 8 hours or every day.
1) Start up the engine on the GCU.
2) Open the left box cover and press one side of the tilt sensor.
Result: The buzzer will sound to give an alarm.
11.7 Check for Wires
1) This check item shall be conducted every 8 hours or once a day, whichever comes first.
2) Keeping wires in a good condition is critical for safe operation and good performance of the platform.
Failure to find and replace wires burned, scratched, corroded or bent will result in unsafe operating
conditions or even cause damage to platform parts.
Electric Shock/Explosion Hazards
Thermal contact or live conductors may lead to serious casualty accidents. Do not wear rings, watches
or other jewelry.
1) Check if the ground wires under the chassis are missing or damaged.
2) Check the following areas for wires burned, scratched, corroded, bent or loosened:

Interior of GCU box

Hydraulic valve group wires

Wires in battery area inside the battery tray

Interior of PCU box
3) Turn the key switch to the PCU and pull out the red emergency shutdown switches on the GCU and
PCU.
4) Raise the platform to a height which is about 3.2 m away from the ground.
5) Lift the safety arm and move it to the middle of scissors axle sleeve, revolve it upward until it is
vertical.
6) Lower the platform height until the safety arm contacts the axle sleeve completely.
Smashing and Pressing Hazards
When the platform is lowered, make sure the operator's hand is in the correct position of the safety arm.
7) Check the chassis and scissors area for wires burned, scratched, corroded, bent or loosened:
8) Check the following areas for wires burned, scratched, corroded, bent or loosened:

Scissors arm wire

ECU to platform