The preparing work before pump maintenance

water pump maintenance, the water pump maintenance preparation, ready to pump maintenance before the

all kinds of water water pump products in use after certain time require maintenance, the water pump maintenance should be held before a tack, clear work tasks, and checked for safety education and technical clarificaiton, pump maintenance construction schedule has been set, water pump maintenance required spare parts and the corresponding materials are ready, pump maintenance of special tools and the inspection of measuring tools and instruments are ready, inspection on labor insurance supplies, lifting facilities, shall comply with safety regulations, if use in flammable and explosive place pump explosion-proof tools must be used in product inspection, check each part of the downtime before the machine pump vibration value, bearing temperature and last survey data and the related drawings, prepared version of the maintenance work instruction, to deal with construction work ticket, construction work tickets have good procedures for examination and approval by the regulation, confirm the content of the construction work ticket rules have full implementation.

confirm motor production workshop has been blackouts, confirm power production workshop technician, production workshop power operators on-site confirmation, confirm the pump motor power supply has been cut off, confirm to equipment safety maintenance condition construction personnel, construction site, confirm the power, head of confirmation machine pump motor power supply has been cut off has isolation, pressure, water pump and valve locks and listing, if hot water of hot water circulating pump shall confirm the conveyor pump temperature drops to the temperature of construction, emptying medium, remove the accessory equipment and auxiliary line, as shown in figure 1 1 open vent stainless steel centrifugal pump valve, emptying the residual liquid, remove the accessory equipment and accessory line connected to the body, pay attention to emptying and remove the pipeline medium can not flow to the ground, objects with a clean bandage line, at the entrance to prevent debris into the pipeline, pipeline with the method of dressing and cannot use plug plugging, such as the use of the water pump is a coupling of chemical process pump should emptying bearing box lubricating oil products, as shown in figure 1 2, the waste oil recycling to special containers.

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