1. Before testing the machine, scrub the exposed hydraulic components and pipelines again, and use sponge to disable cotton yarn.
2. Add enough lubricating oil for guide rail, oil filler and other sliding pairs as required.
3. Check whether the rotary direction of the oil pump, the oil cylinder, the oil motor and the inlet and outlet oil pipes of the oil pump are connected incorrectly.

4, check the hydraulic components, pipelines and other connections are correct and reliable, the installation of the wrong to be corrected.
5. Check the position of each handle, confirm the position of "stop", "back" and "unloading", and fasten each stroke stop in the appropriate position.
6. Loosen the handle of the overflow valve and tighten the handle of the safety valve appropriately to adjust the overflow valve to a low working pressure. The flow valve is adjusted to small.
7. close the power supply.