Submersible electric pump maintenance!

Submersible electric water pump maintenance! Motor rotor winding rewind ( 1) To prevent or reduce to remove errors spinor rotation insensitive, the assembly machine, and base on the before and after the end of commissure with a child playing on storage symbol, after finishing as is removed. ( 2) Winding down, watch for good core cover, prevent the silicon cocking, shift, tooth Angle groove burr and so on scene. Better remove the step is: with diagonal cutting pliers first from the head end shearing bolt circle, and then at the other end with forceps. ( 3) According to our the size of the winding coil winding mould, in order to ensure winding end clearance and coil embedded groove outward. ( 4) Embedded line adopt 'three three-dimensional method', namely embedded good phase and then embedded in another phase, makes the end constitute a 'three layers of three-dimensional' : embedded put watch: (1) the first two 'hanging' coil position to appropriate, to ensure embedded as the rest of the coil not blow rub rotor iron core; Use less (2) the bottom line of the lap line board, lest destroy the coil insulation; (3) and insulating paper to put in place, two broad phase coil to leave; (4) of oil-immersed and water filling machine, slot coil ( From the end) , make the oil (compaction) Water) Can be fixed for winding heat dissipation. ( 5) To solve the good insulation joint. Strip of sheath and joint coating and expelling copper wire in the name of paint layer and oxide layer; And then splicing continue to soldering, residual welding and cutting edges, burrs and abolish the liquid; Then half fold pack 2 layer, with polyethylene belt with stretching about 2 times of butyl adhesive belt half fold package 6 layer ( Be careful no gaps) joint , with polyethylene tape or polyester adhesive tape and a half fold as mechanical screen pack 2 layer. ( 6) Remove the maintain dirty. Carefully adjusted at the bottom of the screw 'limit', make the spinor rotation, and will lock nut and tighten. According to the intact status mount end cover, be careful not to corrupt seal box inner hole rubber sealing ring. Tong postures disassembled only slightly into the seal box, beating). Try to remove the good motor ( 1) Air pressure to try. The pressure of the 2 kg/was to review the machine check mouth with the 'O' type rubber sealing ring and postures seal box of two close cover is breathable, airtight in high and low cover after adding machine oil. ( 2) Dc resistance. Each phase winding rotor resistance should be evenly in three-phase winding resistance value of the size of error of plus or minus 2%. ( 3) Insulation resistance. Should be > 5 m Ω at room temperature. ( 4) Mechanical review. Electric water pump is running, the tones of components should deformities. ( 5) Carrier to try. Additional voltages of the shipboard dc with onboard lose money with the original motor. With 2. 2 kw submersible pumps, shipboard dc to 1. 8 ~ 2. 5 a, shipboard lose money < 0. 5千瓦。 ( 6) Attempt to load. In the water running after 4 h, the motor temperature 75 ℃ or less. ( 7) Brake to try. To insert the impeller live, 100 v switching power supply, three-phase direct current in each phase dc value should uniform values within the scale of error of plus or minus 10%.
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