Under what circumstances heat conduction oil pump can be repaired? - - - - - -

1, the drive shaft and bushing wear after repair: high temperature heat conduction oil water pump drive shaft and bushing wear, matching gap will increase, this will certainly affect the pump oil. In this case, can repair the drive shaft or fitting clearance of bushing to return to normal. If the drive shaft wear is very small, only need to roll out the old bushings with standard size of sleeve to replace it, you can return fit clearance to allow. If the drive shaft and bushing wear, and serious beyond assembly clearance, is not only need to replace the bushing, also deal with heat pump and the drive shaft for chrome plated or vibration processing to increase its diameter, and then into a standard size. Bushing matching requirements.

2, active shaft bushing hole repair and driven shaft hole wear: active shaft bushing hole wear, heat pump for broaching method to eliminate the wear trace, and then use the expanded sleeve size accordingly. Driven shaft hole wear can be eliminated by reaming method, and then, according to the actual size after reaming holes for driven shaft.

3, repairs and pump cover work surfaces: if the pump cover less wear on the surface of the work, you can manually grinding heat pumps to eliminate wear signs, namely the platform or put a little valve plate glass sand, then pump cover on the ground, until the wear trace disappeared and work surface is flat. When the pump cover on the surface of the work depth more than 0. 1 mm, should first turn and polishing repair.

in addition, removing heat conduction oil water pump should pay attention to the contents:

1, remove the hot oil pump mechanical seal, it is forbidden to use hammer and spatula, so as not to damage the seals.

2, mechanical seal, it has work if loose in the gland seal surface move, it should be replaced ring and static ring parts. Heat conduction oil water pump should not tighten and continue to use. Because after the loose, friction pair will change the original orbit, and contact seal will be easy to damage.

3, if the packing element is dust or condensate adhesion, before you remove the mechanical seal, please remove the condensate.

after assemble the pump head, will immerse in the water to check the air pressure. If you have any leakage, heat conduction oil pump for leaks in assembly process. Must be adjusted pump head and motor concentricity, otherwise the noise will be large and coupling shaft within the rubber block wear too fast.

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