The "PUMP" Air Pump Manual

 Removing Pump Housing

2. Replacing the diaphragm block
  1. Undo the six sided U-nut in the center of the diaphragm mounting block.
  2. Remove and replace with new diaphragm.
  3. Reassemble. Ensure tightness of screws

Inserting a new Actuating Rod

Insert the rod in the slot on the side of the diaphragm frame and then slide in the motor unit. The rod should be positioned with the “S” at the top, for GJ-H series.



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