Operations and Maintenance Manual
E4H Series Water Purification Machine
31
1. Remove the membrane bag containing the membrane from the shipping tube.
2. Cut the bag open as close as possible to the seal at the end of the bag, so that the bag
may be re-used if necessary.
3. Remove the membrane from the bag and remove the foam protectors from each end of
the membrane.
4. Remove the parts from the parts container (if included) and inspect. Make sure that all
parts are clean and free from dirt. Examine the O-rings, brine seal, and permeate tube for
nicks or cuts. Replace the O-rings or brine seal if damaged. Set the membrane aside in a
clean space and continue on to step 5.
5. Remove the end caps from both ends of all membrane housings on your machine. This is
done by loosening the clamp bolts at each end cap closure assembly.
6. Determine the direction of fluid flow in the membrane housing. (Be certain to look at the
“Direction of Flow” arrow for each membrane housing. Direction of flow may vary within a
given machine.)
7. Inspect the membrane housing and clean as necessary to remove any contaminants,
obstructions, etc.
8. Apply a small amount of O-ring lubricant to all O-rings on the end caps, and the brine
seal on the membrane.
9. Insert the downstream end of the membrane in the upstream end of the membrane
housing (i.e., load in the direction of flow; the brine seal is on the end of the membrane that
goes in last. For membrane housings with the flow arrow pointing up refer to step 11).
10. Insert the membrane in the membrane housing with a smooth and constant motion.
When you reach the point where the brine seal is about to enter the housing, gently turn the
membrane to ensure the brine seal enters the housing without coming out of the brine seal
groove.
11. When all of your membranes are installed, you must close the membrane housing
package by re-installing the end caps and clamps. It is preferred to install the bottom end
cap first, and tighten the clamp completely, before installing the top end cap.
12. Re-install the end caps by gently twisting the end cap while pushing it on to the
permeate tube. Ensure that you do not pinch or fatigue any O-rings while pushing the end
cap on. Push the end cap on until the outer diameter of the cap is flush with the outer
