甲醇动力高压泵测试新能源汽车喷嘴实验设备；
Methanol-powered high-pressure pump testing equipment for new energy vehicle nozzles；
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
