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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