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Vacuum pump maintenance 21 - imports
1, regularly check the oil level position, does not conform to the rules must be adjusted to conform to the requirements. Import operation of the vacuum pump, the oil level in oil center shall prevail.
2, regularly check the oil situation, found that the oil metamorphism should be replaced in a timely manner, to guarantee the normal work of the import of the vacuum pump.
3, oil change period should be used by the user according to the actual situation and whether meet the performance requirements to decide on their own. In general, for new import vacuum pumps, in dry gas, clean advice once every 100 hours to replace imported vacuum pump oil. In oil can't see the black metal powder, may extend the oil change period.
4, under normal circumstances, vacuum pump should be in operation after 2000 hours overhaul, to check up on the aging of rubber seal, check whether the exhaust valve piece is broken, and clear the deposition of dirt on the valve and exhaust valve seat. Clean all parts of the imported vacuum pump cavity, such as rotor, rotor, spring, etc. Usually, it wash and dry with gasoline. Rubber parts after cleaning, dry with dry cloth. When cleaning and assembly, handle with care, handle with care and avoid collisions.
5, conditional on the same pipeline cleaning, ensure smooth tube.
6, after reassembling, should carry on the trial run. General should run 2 hours, the oil change twice. Due to the vacuum pump in the cleaning process will have a certain amount of volatile substances, normal operation should be put into normal operation.
7, check the import vacuum pump pipe and joint have loose phenomenon. Turn the vacuum pump with the hand, to see if it was flexible.
8, add bearing lubricant to the bearing body, observe the oil level should be in the center line of the oil standard, lubricating oil should be replaced in a timely manner or supplement
9, unscrewed the import vacuum pumps, pump body of water into the water, Or slurry) 。
10。 Close the outlet pipe of gate valves, outlet pressure gauge and vacuum gauge entrance.
11, motor running, try to see the motor steering is correct.
12, start the motor, when the vacuum pump running, open the outlet pressure gauge and vacuum pump, according to the appropriate pressure display, gradually open the gate valve, check the motor load at the same time.
13, try to control the capacity and head of the circulating water inlet vacuum pump in the range, within the scope of the instructions to ensure that the vacuum pump running at peak efficiency, to achieve maximum energy saving effect.
14, import operation of the vacuum pump, bearing temperature shall not exceed the ambient temperature 35, the highest temperature should not exceed 80.
15, if found abnormal sound import vacuum pumps should stop the machine immediately to check the reason.
16, vacuum pump to stop using, first close the gate valve, pressure gauge, then stop the motor.
17, in the first month of operation, import vacuum pumps will replace lubricating oil after 100 hours, and then once every 500 hours.
18, regularly adjust gland, ensure that the packing chamber leak is normal ( Advice in the form of droplets leaks) 。
19, regularly check the wear condition of shaft sleeve, wear larger should be replaced in a timely manner.
20, winter using a vacuum pump, after stopping the pump, should be unscrewed a drain plug at the bottom of the pump body, discharge medium. To prevent the frost crack.
21, imported vacuum pump has been discontinued for a long time. Must be completely disassemble pump, dry water, covered with grease for rotating parts and joint and properly kept.
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