Before use, the car lift must be tested with no load, according to the following procedures:
1 Turn on the power switch and check whether the power supply is normal.
2 Press the up button, the hydraulic motor starts to work, and the working platform of the 4-post car lift should be able to rise normally. Release the button, the hydraulic motor stops running immediately, and the working platform should stop.
3. Stop after the working platform of the car lift rises to a certain height, and hang the hooks of the working platform. At this time, the four hooks must be reliably hung on the hanging plates in the column.
4 When the reversing valve is turned to supply air, the four hooks should be completely detached from the hanging plate.
5 Press the down button, the hydraulic valve starts to work, and the working platform of the car lift should descend at a normal speed; release the down button, the hydraulic valve closes, and the working platform stops falling.
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