The safe use of electric pump

Electric pump safe use method:

1. In addition to complying with this instruction, the electric pump is strictly GB3833. 1-83 "Technical Regulations for Safety Management, Inspection, and Maintenance of Hand-Held Power Tools".

2. The rated value of electric pump is within ±10% before it can be used.

3, electric pump to avoid the power level and water, oil installed in the power level of the place, all of the pump, do not damage the power level, and avoid oil, water and electrical switches and other electrical contact.

4, electric pump to prevent sudden start, the power switch is turned on before the switch "off" (ie press into) state.

5, Do not abuse the power line electric pump, do not take the power cord any length or exchange. Can not pull the power cord to wipe, cut and rolled off and so on.

6, electric pump for the explosion-proof type, in the replacement of the brush or maintenance, special attention to the explosion-proof parts of the flameproof surface can not make it damaged. When the brush is repaired or replaced, the motor should be opened to clean the inner chamber toner, oil rot, etc.

7, the correct use of the hand, the pump power cord does not have a plug at the end, by the user to choose the right plug, there are two sides three knife special attention:

A. If the plug and socket must comply with explosion-proof regulations for plugs and sockets that are explosive and flammable, place them on a normal site away from explosive flammable sites. Use a 220V 5A three-pin plug, one of which is a grounding pin.

B. No matter which type of plug is used, it must be grounded reliably. The yellow-green wire on the end of the power cord is a grounding wire. When the connection is proper, check whether the electrical connection between the metal shell of the pump and the contact foot is correct. The resistance should not be greater than 1 European mother.

8. Prohibited places: Cannot be used in special environments such as wet, snow, and corrosive gas.

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