液压累管件

1.

Turn on the power supply of the control switch;

2.

2.

Turn on the instrument switch,

3.

3.

Turn the above impact switch to the normally on state and conduct impact test in the

opposite direction

4.

4.

Select the left-hand and right-hand transfer switches according to the rotation

direction of the pump;

5.

5.

All loading, oil supply and pilot knobs are left turned back to zero, and the speed

regulation knob is back to zero;

6.

6.

The ball valve connecting the pipe is opened

7.

7.

The high-pressure port of the pump is connected to the open port a or B of the

corresponding pump table;

8.

8.

The oil port of the tested pump shell is connected with the oil drain port

13。The stop valve at the oil suction port of the pump suction port connecting the table is opened

齿轮泵油缸试验台GDI油嘴测试