one Long axis pump maintenance should be paid attention to the following: 1. According to the long axis of the pump running situation adjust gland firmness. Packing seal water 30 to 60 drops per minute. 2. Master packing wear condition change in time. Change when packing, each adjacent filler interface should be staggered is greater than 90 degrees, water seal tube should be focused on water seal ring and the outer packing should be down. 3. Long axis pump to complement in time within the bearing lubricating oil or grease, ensure the normal order of the oil level; To periodically change of oil, oil is unqualified to replace the new oil. 4. Regularly check the long axis pump electrical power limit switch Industrial Valves and manual and electric interlock. 5. Should be monitored regularly long axis pump pump vibration, when unreasonable vibration should be timely find out the reason and do the processing. 6. Should periodically check, adjust, change the Industrial Valves packing, fail don't leak, no pollution, no rust. 7. When using soft packing seal, should add the packing at any time according to actual condition, to prevent leakage. 8. Long axis pump parts should be in good condition, equipment nameplate marking should be clear. 9. Equipment external parts should be have four: no rust, no oil, no leakage, no leakage, no leakage. two Long axis pump regular maintenance should be paid attention to: 1. According to the condition monitoring data of the running technology determine the repair project, or according to the periodic preventive inspection, the defective parts for repair or replacement. 2. The collapse of the change of main components, should reach large maintenance quality standards. 3. Long axis pump major maintenance projects, the content, quality, should meet the following requirements: the pump shell ( The diversion shell) Maintenance, impeller, shall meet the following requirements: 1) Remove scale, rust, the machined surface can be non-toxic water resistant anticorrosive coatings; 2) Cooling hole, pressure gauge hole, vent should be smooth; 3) Shell wall or guide blade erosion thickness more than 1/3, the original wall thickness should be repaired or replaced; 4) Shape and fit tolerance in accordance with the drawings technical requirements: long axis deep well pump impeller flow diversion shell parts size deviation in accordance with the current industry standard 'general technical conditions of long axis deep well pump' regulation; Submersible pump impeller flow diversion shell parts size deviation in accordance with the current national standard 'Wells with submersible pump technology conditions'.
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