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Use explosion-proof electric heater after-sales maintenance points
Source£ºThis web site  Hit£º5058 Time£º2014-11-1

The removal of 1, explosion-proof electric heater shall not be arbitrarily; Remove the maintenance, can't use parts of the explosion-proof surface as a lever fulcrum, more is not allowed to knock or hit the explosion-proof surface.

2, removing electric heater, should first take cover lee, fan, using the sleeve wrench remove end cover and the bearing cap bolts, then, use log or copper bar along the axial impact shaft extension, the end cover and stand apart, and finally remove the rotor. Dismantled parts, explosion-proof surface should be toward the top, with a rubber cover pad or cloth, tighten bolt, spring cushion, etc. Be careful not to lose.

3, dip coating and assembly, explosion-proof surface adhesion of insulation varnish or dirt should be cleaned, may not be scratching with iron and other hard objects, but can use abrasive grinding uneven places.

4, if the explosion-proof surface damage, tin-lead solder must use HISnPb58-2, flux of 30% concentration of hydrochloric acid (for steel parts) or contain zinc tin 58 to 60% of the tin solder, flux is 30% ammonium chloride, zinc chloride 70%, add water 100-150% mixture (iron) for weld repairs, the combination of solder and parts wants firm, raised portion to smooth, meet the finish.

5, to prevent rust, explosion-proof surface should apply the oil on the surface of the explosion-proof or replacement type rust-proof oil 204-1.