Step 1
Remove the upper housing according to the picture on page 17.
Remove the L-tube from the casing nozzle. Remove the installation screws of the chamber block. (4 screws on each side.) Remove the casing block.
Step 2
Remove the U-lock nut.
• Use the box driver to loosen (or tighten) the U-lock nut.
Step 3
Remove one of the diaphragm mounting blocks from the actuating rod, and pull out the other diaphragm mounting block with the rod from the pump body. Remove another U-lock nut and the diaphragm mouting block from the rod. This completes the chamber block removal procedure.
Step 4
FITTING THE CHAMBER BLOCKS
Install a new diaphragm mouting block on the actuating rod. Set the actuating rod in line with groove and tighten the U-lock nut.
• Use new U-lock nut and washer only that come as replacement parts to prevent loosening and causing failure of the pump.
Step 5
Insert the actuating rod in accordance with the gap of the frame. Secure the diaphragm mounting block on other side and tighten with washer and U-lock nut using the box driver. Make sure the gaps between the actuating rod and the electromagnet are even.
Step 6
Connect L-tube to the casing block. Secure the casing block with the screws. (4screws on each side.) Install the other casing block at the same way.
Step 7
Secure the upper housing with the bolts. Then, replace the filter and filter cover on it. (See page 17 “FILTER CLEANING AND REPLACEMENT”)
