19. While holding handle stationary, insert valve body into head center bore with cutaway edge of valve pointing toward inlet
side of head. Gently push up and twist valve to the right until it engages with handle shaft. Check that cut-away edge of
valve body is engaging with stop lug of head (see Figure 1).
20. Prevent handle from rising or turning with other hand during this operation. Finger turn screw head a few times to start
threads.
21. Turn screw into head/ valve assembly. Keep handle from rising or turning at this time.
22. IMPORTANT: Do not over tighten screw. As you tighten the screw, turn the handle to establish tightness of assembly but
bind free operation.
23. Valve may be tested as follows:
a. Place bucket under filter head.
b. Set filter handle to “ON” position.
c. Turn on water system by a small amount.
d. Wait until water flows from head valve and then turn head handle to “OFF” position.
e. Check for any leaks. Slightly tighten screw if necessary.
f. Restore full water service at main water valve.
24. Clean and inspect sump o-ring. Replace o-ring if compression set or abrasion is visible.
25. Clean and inspect sump. Replace if crazing or fine cracks are visible anywhere on the sump.
26. Reassemble sump with cartridge and restart filter service per system instruction manual.
INSTR2221 1010 Seal Kit Instructions.indd 3
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