CYZ self-priming pump troubleshooting 1, before starting the self-priming oil pump housing should be higher than the upper edge of the impeller, open the suction pipe valve, slightly open the outlet control valve 2, removal and assembly, according to the total assembly of the product Ask for it. 3, the pump inlet must be higher than the pump shaft centerline, but the import installation height should not exceed 3.5 meters. 4, the pump outlet pipe installation of one-way valve, and in the process of self-priming can not make the pump to discharge gas smoothly, should be added at the pump exhaust pipe and valve. 5, parking, first close the discharge valve on the pipeline. 6, self-priming oil pump every 15-20 hours of work, or check before each use and timely replenishment of the corresponding grades of lubricants. 7, the pump and the prime mover direct drive, should pay attention to the pump shaft and prime mover output shaft concentricity, and the prime mover belt drive, should pay attention to the parallelism of the pump shaft and the prime mover, and the two pulleys aligned, the belt Tight and comfortable. 8, should be adjusted within the pump's technical specifications to achieve economic and durable. When you find CYZ self-priming pump fault with the inch can be given to exclude. Maintenance of the pump inch should pay attention to several major parts: a. Rolling bearings: When the pump long-term operation. Bearing wear to a certain extent, be replaced. b. Front seal ring, rear seal ring: When the seal ring wear to a certain extent, to be replaced. c. Mechanical Seal: Mechanical seal should not be disassembled under no-oil conditions. If there is any serious leakage at the lower end of the bearing body, the mechanical seal should be disassembled. Assembly and disassembly of mechanical seals must be taken lightly, pay attention to the surface with the ditch clean. Protect the static ring and moving ring engraving, non-percussion collision. The main reason for the leakage caused by the mechanical seal is the rubbing of the mirror surface. The repair method, you can pay to rub the friction surface to restore the mirror. Another reason for the leakage of a mechanical seal is that the "O" rubber seal (or cushion) is improperly installed or deformed. At this point you need to adjust or replace the "O" ring for reassembly. (CYZ self-priming pump troubleshooting methods)
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