4.Use a slender iron wire to pass through any hole in the middle of the pump cover and insert it into any hole on the flat plate for positioning;
(When the pump cover is closed, ensure that the iron wire is always inserted into the flat plate hole);
5.Close the pump cover, align the perimeter profile, insert the two screws in the middle, do not lock tightly, and pull out the iron wire
6. Lock one of the screw, but not too tight
7. Lock the 7 screws around in diagonal slowly
8. Lock the three screws in the middle slowly
9. Put in the four base plate nuts
10. Fasten the bottom plate hole with the nut, lock in four screws, and place the blower in horizontal after installation
