Lingong Heavy Machinery Work Platform AS3246

Hydraulic System Pressure Checks

Is the pressure of the hydraulic system normal?

Is the lift system hydraulic pressure normal?

Is the steering system hydraulic pressure normal?

Is the driving system hydraulic pressure normal?

Hydraulic System Integrity Checks

Check for loose or damaged components

Ensure the platform is completely lowered

Drive two wheels on the same side of the machine up on a 1.37×7.9in (3.5×20cm) block

Lift the platform to the specified height from the table

Did the platform stop moving and the tilt alarm sound at 120 times per minute?

Is the drive function disabled when moving forward?

Is the drive function disabled when moving in reverse?

Check for loose or damaged bolts or abnormal noise

Check if any circlip or washer on fork arms are damaged, worn, or missing

Check if the platform, scissor stack arm, and chassis are deformed or have broken welds

Check if the paint is excessively chipped or peeling off

Check if the decals and safety signs are correct and legible

Check if the emergency lowering system operates properly

Machine performance and limit switches operate properly

Push up the platform lift switch to elevate the platform approximately 24 in (60cm)

Pull out the emergency lowering control button at the right front part of the machine

Did the platform descend without the lowering alarm sounding?

Switch the key switch to the platform controller

Check that all buttons/switches on the PCU panel function normally

Ensure the PCU emergency stop switch is secure

Check if all switches operate properly

Check for damaged wiring harnesses

Ensure the PCU wiring harness connector is secure

Check if the PCU wiring harness connector is not damaged

Check if the PCU wiring harness is crimped or damaged

Check if the lowering solenoid valve is secure and not damaged