Mine submersible pump motor electromagnetic parts and ordinary motor is basically the same, therefore, the electromagnetic aspects of the fault and repair, but due to the particularity of explosion-proof motor. When repairing or rebuilding it, the following provisions shall be followed: 1. The relevant personnel of the repairing unit should understand the national laws and regulations, explosion-proof standards and relevant regulations on qualified products in connection with overhauling work. (Such as access to explosion-proof inspection department approval, etc.). Second, the repair unit should have to repair explosion-proof motor technology and equipment necessary inspection and test device. Third, before maintenance, should be equipped with the necessary technical information. Fourth, the motor repair is completed before the test run, you should check the cable into the relay protection and wiring system to ensure its integrity and still in line with the provisions of explosion-proof. Five, for explosion-proof motor maintenance personnel should carry out the necessary training. Sixth, after the repair inspection, inspection after the repair of the test items, explosion-proof inspection unit authorized or recognized, can be carried out in the repair unit; explosion-proof inspection unit that the project is still necessary by the explosion-proof inspection unit inspection. After the explosion-proof motor repair should provide the following documents to the use of the department: 1, fault conditions; 2, the situation of maintenance work; 3, replacement, repair parts directory; 4, inspection and test results; . Parts not allowed to be repaired 1) Parts made of glass, plastic or other unstable materials 2) Fasteners 3) Parts manufactured by the manufacturer or in accordance with the explosion protection regulations which can not be repaired Component. Nine, after the repair mark does not affect the performance of the explosion-proof repair, maintenance without repair mark. X. After the explosion-proof repair certificate Repair motor repair unit by the inspection department issued a certificate of repair. The card shall include at least the name of the motor to be repaired, model, specifications, explosion-proof mark, the name of the unit and its approval certificate number, explosion-proof certification number, date of repair and so on. After the repair code-named GB3836.13-1997. Signs must be sharp, durable and chemically resistant. Signs should generally be metal, permanently fixed on the motor after repair, repair again, the repair should be removed after the previous repair signs.
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