Second,the unit should have for explosion-proof motor repair process equipment and the necessary inspection and test apparatus.Before three,maintenance,should prepare the necessary technical data.Four,commissioning before the motor repair,check the cable entry,relay protection and wiring system,to ensure that the company is still in good condition and conform to the requirement of explosion protection.

Five,to engage in explosion-proof motor maintenance personnel should undertake the necessary training.After six,after inspection and acceptance of the inspection items,is made by authorization of the explosion-proof test unit or recognition,can be in repair units; Think it is necessary to project still explosion-proof test unit by explosion-proof inspection unit.

After repair,explosion-proof motor should be to use the department to provide the following documents: 1) fault inspection;2) repair work instructions;3) Motor vehicle replacement and repair parts catalog;4) inspection and test results;5) repair certificate.

Eight,are not allowed to repair the piano pieces 1) by the size of glass,plastic or other unstable parts made of materials;2) fasteners;3) the manufacturer or explosion-proof code that can't repair parts,such as encapsulation component.

A sign of nine,after the repair will not affect the explosion-proof performance of repair,after repair without repair.Ten,the flame-proof certification after after repair motor repair the repair unit inspection department shall issue certificate of approval.Described above shall include at least by repairing the name,type,specification,water pump explosion-proof motor logo,the name of the class units and its approval certificate number,explosion-proof certificate number,date of repair,etc.

The standard code for GB3836.13-1997 after the repair.Signs must be norm,durable,and resistant to chemical corrosion.Signs should be metal materials,commonly permanently fixed on the motor after the repair,repair again,after repair,the previous repair sign shall be removed.