Several Points for Attention in Maintenance of Vacuum Pumping Station

1. Because of the high requirement of pump accuracy, it is necessary to test carefully before repairing. It is not necessary to disassemble the pump before repairing, so as to avoid improper repairing and reduce the accuracy. Of course, it is necessary to adjust some parts when their performances become worse or their mating clearance varies.

2. Pump maintenance needs to be done step by step, not hard dismantling or forced dismantling. The disassembled pump parts are required to be sorted and labeled, which can be used when assembling. For example, the maintenance of Lyboa vacuum pump can be carried out according to the sequence of dismantling the motor, coupling, end cover and taking out the spindle first. But no matter what kind of pump is assembled, the parts must be dry and clean.

3. General assembly. After the parts and vacuum chambers are installed separately, try to rotate them to ensure that there is no blocking and tripping phenomenon. After the front cover is installed, the tension bolt can be penetrated from top to bottom, and the seat can be leveled after tension. Adjust the intake pipe of each vacuum chamber to make it on the same plane, then tighten the tension bolt, and try to turn the connecting rod. Its torque should be less than 100 kg?? cm, and there is no serious sense of local blockage. After installing exhaust valve, one-way valve, etc. At this time, the sprocket can be rotated. In this way, the seats have been assembled. Assemble the box part in reverse order when the pump is dismantled. Care should be taken to ensure that no leakage is allowed in the sealing area and oil leakage is not allowed in the oil sealing chamber.

Before the pump test run, put the oil in the vacuum pump station to the central position of the oil-viewing mirror, and then test the pump to observe the effect of the pump.

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