First of all, this paper introduces the method of removing the water pump:
1 find the oil drain screw to screw down, open the drain valve will be the residual liquid in the pump and the gear box of the lubricating oil discharged clean. Lest the sprinkler pump the water out of dirty clothes.
2 of the pipeline and the base bolt 11 removed, the pump is removed, remove the inlet flange. Remove flange plate when you want to remember the installation location of the pump inlet and outlet, to facilitate the installation of the docking port.
3 open impeller. First unscrew the impeller nut, then remove nut under sprinkler pump and the gear box, and then slowly open the top M12 bolt M12 bolt, screw in the screw pump and the gear box, this also is to open the top, the first stage impeller, second stage impeller automatic extrusion, mechanical seal and gear box. With the pump body separation.
4 remove the gear box cover and enter the bearing cover, the input bearing by the pump body side, and finally from the top of the box will take the initiative to remove the gear.
Sprinkler installation and removal of the steps are relative, but to pay attention to the following points:
1 before the installation of the pump should be on both sides of the foot of the foot of the pump, the pump shaft and shaft coupling alignment, the gear box on the four bolts after tightening will be installed on the support.
2 pay attention to the neat oil seal clearance, the position of the impeller, do not make it in the rotation to wipe the box.
3 water pump inlet and outlet pipe must be fixed on the body, can not be the weight of the pump to bear, the pipeline should also be equipped with filter.