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If lifting is possible but impossible to load 2.5T
Adjust the fluid valve. It is possible to press the "▲" button while turn the screw clockwise)
slowly, until the lifting arm rises.
If lifting is still impossible after above actions have been taken
Remove fluid valve and put it into diesel oil to wash. After that, install it again and operate
according to above action once more.
If there is any abnormal noise from hydraulic system during lifting
The hydraulic system may inhale air or the power voltage is too low. Check the oil level
and add oil if necessary. Move the cylinder up and down for several times to expel the air.
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Troubleshooting
