Electric pump instructions 1, in addition to comply with this note strictly GB3883.1-83 "hand-held power tools safety management, inspection, maintenance of technical regulations," the relevant provisions. 2, rated voltage within ± 10% before use. 3, to avoid the electrical level and water, oil in the installation of electric place, all of this pump, do not damage the power level, and to avoid oil, water and electrical switches and other electrical parts of the contact. 4, to prevent a sudden start, the power switch is turned on before the "off" (that is, press into) state. 5, do not abuse the power cord, the power cord may not be any length or exchange. Can not pull the power cord scraping, cutting and rolling bad phenomenon. 6, the pump for flameproof, brush replacement or special attention should be paid to the explosion-proof parts explosion-proof surface can not damage the hair. When repairing or replacing the brush, please turn on the motor to clean the inner cavity toner and oil rot. 7, the proper use of hand, electric pump power cord at one end without a plug, by the user to choose the right plug, there are two sides and three knives special attention: A, pumping oil, such as explosive and flammable sound with plugs and sockets must comply with explosion Provisions of the plugs and sockets, set away from the explosive field in the normal venues can be used 220V5A three-pin plugs, one of the long legs for the ground. B, pumping pump regardless of what kind of plug must be reliably grounded, the power cord at one end of the yellow-green wire for the ground wire, when properly connected, should check the pump metal shell and the contact between the legs are electrically connected, it is not appropriate Greater than 1 ohm mother. 8, pumping prohibited the use of the site: In special environments such as wet, snow and corrosive gases can not be used. Electric pump maintenance 1, often fat, electric pump for high-speed operation, easy to volatile grease, so the bearing lubrication must be able to keep clean, and pay attention to change. 2, electric pump regularly check and repair, SB electric pump should always check, repair, to check the power cord: the internal wiring, plugs, switches are good, the insulation resistance is normal, the tailstock brush is loose, commutator and Brush good contact, armature-level expansion stator winding is a proper way to break the phenomenon of bearing and rotating parts are damaged and so on. 3, save each part and exchange the same parts, the demolition of the electric pump should be preserved for each part, pay special attention to explosion-proof parts of flameproof parts can not damage the hairline, including insulation pads and casing, such as If there is any damage, the same new parts must be replaced. No substitute materials lower than the performance of the raw materials or parts not conforming to the original specifications shall be used. When assembling, all the parts should be packed according to their original positions and can not be omitted. 4, electric pump attention to insulation resistance, long-term shelved or used in wet environments electric pump, before use must use 500-volt megger to measure the winding insulation resistance. If the insulation resistance between the winding and the motor housing is less than 7 megohms, the winding must be dried. 5, pay attention to save the electric pump should be placed in dry, clean and non-corrosive gas environment.