1 General 1.1 Scope This regulation applies to FY submerged pump, FYW submerged pump, FSY submerged pump, HYF submerged pump, YW submerged pump maintenance and overhaul, other centrifugal submerged pump can be used as a reference. 1.2 Brief description of the structure The corrosion-resistant submerged pump is a single-stage single-suction type centrifugal pump under the following conditions: its components are composed of a pump body, a pump cover, a soleplate, a pump section, a pump shaft, an impeller, a bushing, a coupling, a bearing, And other components. Table 1 Flow m2 / n Head m Revolution r / min Power kW 3.6 ~ 360 12 ~ 49 2900 ~ 1450 1.5 ~ 7.5 1.3 Equipment Performance Equipment in Table 1. 2 intact standard 2.1 zero, parts 2.1.1 zero, complete and complete parts, quality to meet the requirements. 2.1.2 The foundation, the base is firm and complete, the quality meets the requirements. 2.1.3 pipelines, valves, brackets, installation is reasonable, clear signs, 2.1.4 anti-corrosion meet the requirements. 2.2 Operating Performance 2.2.1 smooth operation of the device without noise, the current does not exceed the rated value. 2.2.2 pressure, steady flow, the Ministry of normal temperature. 2.2.3 conscientiously implement the "five", "three filter" lubrication management system. 2.2.4 equipment capacity to meet the nameplate requirements or to meet production needs. 2.3 Technical Information 2.3.1 Technical file is complete, the data is accurate and reliable. 2.3.2 random certificate, product manual is complete. 2.3.3 equipment assembly drawings and consumables complete. 2.3.4 running record is complete. 2.3.5 maintenance and inspection records are complete. 2.3.6 maintenance inspection procedures, complete operating procedures. 2.4 Equipment and Environment 2.4.1 Equipment clean, no dust, grease and debris on the surface and around. 2.4.2 equipment and ancillary pipeline no running, run, drip, leak. 3 Equipment Maintenance 3.1 Routine Maintenance 3.1.1 Check the equipment for any unusual vibration or noise. 3.1.2 Check the pressure, flow and temperature of each department is normal, and make a record. 3.1.3 conscientiously implement the "five", "three filter" lubrication management system. 3.1.4 regular inspection packing seal, packing leakage over the provisions of timely replacement. 3.1.5 often check the various departments bolts loose phenomenon or vibration caused by loosening. 3.1.6 Check the shaft sleeve cooling pipe is smooth. 3.1.7 Check the Department of sealing point run, run, drip, leak phenomenon. 3.1.8 Each class do a good job of cleaning equipment. 3.2 regular inspection content 3.2.1 injected into the bearing once a month to lubricate, three months cleaning oil change time. 3.2.2 The pump once a month to conduct a comprehensive inspection run. 3.3 common troubleshooting methods
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