1. Before testing the machine, scrub the exposed hydraulic components and pipelines again, and use sponge to disable cotton yarn.
2、Check the position of each handle, confirm the position of "stop", "back" and "unloading", etc., and fasten each stroke stop in proper position.
3、Unscrew the relief valve handle and tighten the relief valve handle properly to adjust the relief valve to low working pressure. The flow valve is adjusted to small.

4、The guide rail, each oil filler and other sliding pairs shall be filled with sufficient lubricating oil as required.
5、Check whether the rotary direction of oil pump, oil cylinder, oil motor and oil inlet and outlet pipes of oil pump are connected incorrectly.
6、Check whether the hydraulic components and pipelines are correctly and reliably connected, and correct the wrong ones.
7. close the power supply.