FLEX User Instruction ā 21TEM14546 EN
Page 30 of 43
Figure 12: Exploded view
7.6 Reassembly
1. Check that cartridge rotor spins freely before assembling unit. (See section 5.1.5)
2. Lightly lubricate end cover O-rings and install in grooves around end covers. Use food
grade silicone-based lubricant.
3. Lightly lubricate balance pocket O-rings and install in grooves on end cover faces. Use
food grade silicone-based lubricant.
4. Notice the markings on the OD of each end cover to identify which side of the cartridge
is seawater or brine side. The cartridge has a proper orientation in the vessel and is not
reversible.
5. Slide seawater vessel (with sight-glass installed) over the seawater end of the cartridge.
a. Align straight through port of end cover with 90-degree elbow port of vessel.
b. Ensure balance pocket O-ring is evenly and fully covered by the vessel. Confirm
by looking through the high-pressure port as shown in Figure 13 through Figure 15.