The hottest Pfizer drug packaging design life them

2022-08-14
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Pfizer drug packaging design life theme (2)

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this article comes to (3) start the oil pump exhaust: open the oil return valve and the oil delivery valve Turn the power switch, turn on the machine power, display the suggestion screen, and display the test screen after 2 seconds Press the "start" key, start the electromechanical, and the oil pump starts to work. After continuing to work for about 1 minute, close the oil return valve. At this time, it can be found that the lower platen rises slowly. After the lower platen rises for a certain distance, close the oil delivery valve and open the oil return valve. At this time, the lower platen is in the state of falling back Repeat the above steps for 3-4 times to completely eliminate the gas in the system If it still cannot be ruled out, the crank slider mechanism can be driven through the gear pair and clutch to exhaust according to the following methods: open the front door after shutdown, unscrew the large nut on the front end face of the oil pump with the accompanying wrench, and then start the machine to drain the oil until the oil flowing out of close interaction with the customer is stable, shut down the machine, and screw the nut The copyright of yuluo belongs to the original author, and it is only for everyone to share and learn. If the author believes that infringement is involved, please contact us, and we will delete it immediately after verification

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