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Hydraulic test bench液壓齒輪泵比例閥試驗；

2.

2.

Before starting and stopping the motor, the electromagnet shall be powered off to

start or stop the motor under no-load state. And pay attention to the rotation direction;

3.

3.

During the use of oil suction and return filters, in case of blockage, the indicator light

sends a signal (the red light is on) and the blocked filter element should be replaced in

time;

4.

4.

The locked overflow valve shall not be adjusted at will;

5.

5.

All ball valves of the test bench are in reasonable positions. During the pump test, all

the ball valves used on the pump power platform are opened, and the unused pipeline

ball valves are closed

Before starting the machine, all knobs on the operating table must be in the fully open state,

otherwise it is not allowed to start the machine.

6.

6.The oil level should not be lower than the level gauge. If there is insufficient oil, it

should be filled in time;

7.

7.In case of system failure, stop the machine in time for inspection;

8.

8.During the use of this hydraulic system, detailed records should be made on the

replacement of oil, components and auxiliary parts,