Centrifugal pump technical maintenance, including routine maintenance, minor repair and overhaul, maintenance include:
â‘ often wipe dust on the unit, equipment and piping, water stains and oil, and make it often clean and tidy.
â‘¡ regularly replace the bearing grease. For a new pump with a plain bearing, the lubricant should be changed after the first 100 hours of operation and every 300 to 500 hours thereafter. Rolling bearings every 1200 to 1500 hours to supplement the butter once (generally can be replaced in the minor repairs).
â‘¢ at any time to check the tightness of the filler, often check the instantaneous â’” talk about Tartar test? Animal husbandry 勇 Di ã? / Span>
â‘£ to ensure adequate water pump inlet depth of submergence, and regularly remove trash rack and into the pool of debris, prevent debris clogging the intake pipe or pump and damage to the impeller, pump shaft and other parts.
⑤ When the unit has been running for about 1000 hours or the end of irrigation and drainage season, remove the pump, check and tighten the impeller nut. If the impeller is seriously worn out, repairs or replacements should be carried out promptly. Measure the clearance of the seal ring. If the clearance is too large, it should be adjusted or repaired. If necessary, a new seal ring should be replaced. Otherwise, the seal ring at the leakage is too large, will reduce the pump out of water, reduce efficiency. The radial clearance of the impeller and the seal ring is related to the inner diameter of the seal ring. Refer to the recommended values ​​in Table 1-2. Clean the seal ring to replace the worn or hardened packing. Remove the bearings and inspect, clean and replace the new Lubricants; Direct drive units, should check the coupling of the fixed situation and found nut loose should be tightened, and test the coaxiality of the two axes; Belt drive units, should test the stability of the pulley and belt wear And tighten the state; tighten the centrifugal pump shaft sleeve and the impeller with the nut, and check the positioning of the impeller positioning key; disassemble the pump, and in the machining surface coated with grease, and then reassemble the pump and tighten the various parts Connecting bolt.
â‘¥ When the cumulative operation of the unit about 2,000 hours, in addition to completing the above maintenance work, but also to fully disassemble the pump, cleaning, descaling, to rust. Including cleaning the processing surface, bearings and various parts of the connecting screws, and remove impeller, seal ring, bushings, shaft and other parts of the scale and rust. Check the pump casing for cracks, pitting or perforation, seized çƒ é¹˜ Min Haixiao transmutation ┧ ┧ ⒙┢ ⒙┢ 窒 èž… plaque Bank 够 enough èš‹ arc <觳 æ© Block frames â’š 芊 饣 â’… â’… Where is the cubs vertebral? Plaque? Benzene Benxi enough to èš‹? Recorded? <Culex pipiensi å´¾ owe 裢 æ·? èš° ニ? If it has been bent, to be straightened; if the wear is serious, it should be repaired or Chrome plated, if necessary, renew the pump shaft. Check the bearing clearance, sliding bearings wear serious, it should be amended and make clearance adjustment; Check? Young? å²¢ mechanical tomb 鲋 æ©› shaped åŒ é¸¹ burden? Jealousy 窈 窈 fine? When necessary, should be replaced with a new bearing, reassembly Should be replaced with new grease. After checking all the requirements are met, the surface should be coated with calcium-based grease, and in accordance with assembly process requirements to re-assemble the pump.
â‘ often wipe dust on the unit, equipment and piping, water stains and oil, and make it often clean and tidy.
â‘¡ regularly replace the bearing grease. For a new pump with a plain bearing, the lubricant should be changed after the first 100 hours of operation and every 300 to 500 hours thereafter. Rolling bearings every 1200 to 1500 hours to supplement the butter once (generally can be replaced in the minor repairs).
â‘¢ at any time to check the tightness of the filler, often check the instantaneous â’” talk about Tartar test? Animal husbandry 勇 Di ã? / Span>
â‘£ to ensure adequate water pump inlet depth of submergence, and regularly remove trash rack and into the pool of debris, prevent debris clogging the intake pipe or pump and damage to the impeller, pump shaft and other parts.
⑤ When the unit has been running for about 1000 hours or the end of irrigation and drainage season, remove the pump, check and tighten the impeller nut. If the impeller is seriously worn out, repairs or replacements should be carried out promptly. Measure the clearance of the seal ring. If the clearance is too large, it should be adjusted or repaired. If necessary, a new seal ring should be replaced. Otherwise, the seal ring at the leakage is too large, will reduce the pump out of water, reduce efficiency. The radial clearance of the impeller and the seal ring is related to the inner diameter of the seal ring. Refer to the recommended values ​​in Table 1-2. Clean the seal ring to replace the worn or hardened packing. Remove the bearings and inspect, clean and replace the new Lubricants; Direct drive units, should check the coupling of the fixed situation and found nut loose should be tightened, and test the coaxiality of the two axes; Belt drive units, should test the stability of the pulley and belt wear And tighten the state; tighten the centrifugal pump shaft sleeve and the impeller with the nut, and check the positioning of the impeller positioning key; disassemble the pump, and in the machining surface coated with grease, and then reassemble the pump and tighten the various parts Connecting bolt.
â‘¥ When the cumulative operation of the unit about 2,000 hours, in addition to completing the above maintenance work, but also to fully disassemble the pump, cleaning, descaling, to rust. Including cleaning the processing surface, bearings and various parts of the connecting screws, and remove impeller, seal ring, bushings, shaft and other parts of the scale and rust. Check the pump casing for cracks, pitting or perforation, seized çƒ é¹˜ Min Haixiao transmutation ┧ ┧ ⒙┢ ⒙┢ 窒 èž… plaque Bank 够 enough èš‹ arc <觳 æ© Block frames â’š 芊 饣 â’… â’… Where is the cubs vertebral? Plaque? Benzene Benxi enough to èš‹? Recorded? <Culex pipiensi å´¾ owe 裢 æ·? èš° ニ? If it has been bent, to be straightened; if the wear is serious, it should be repaired or Chrome plated, if necessary, renew the pump shaft. Check the bearing clearance, sliding bearings wear serious, it should be amended and make clearance adjustment; Check? Young? å²¢ mechanical tomb 鲋 æ©› shaped åŒ é¸¹ burden? Jealousy 窈 窈 fine? When necessary, should be replaced with a new bearing, reassembly Should be replaced with new grease. After checking all the requirements are met, the surface should be coated with calcium-based grease, and in accordance with assembly process requirements to re-assemble the pump.
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