Installation
WATER CELL REPLACEMENT
To be sure cover flange cannot blow
off of tank, release all air from system before re-
moving nuts from cover flange.
1. Disconnect power to pump.
2. Follow steps 2 through 5 under "Testing For
Water Cell Leakage", above.
3. Remove nuts from tank cover flange. Tap cover
flange to break seal and remove.
4. Water cell will not come out in one piece. Hold
water cell with pliers and cut wherever
convenient with single edge razor blade or
sharp knife. Continue holding and cutting until
water cell is removed.
5. Clean and dry inside of tank.
6. Before water cell can be inserted into tank, it
must be tightly rolled up as follows:
A. Place water cell on clean surface with
opening to one end and flatten to force air
out. Pull ends out flat (see Figure 3).
B. To get tightest possible wrap, start on one
side at top and TIGHTLY roll water cell
diagonally to other side (see Figure 4). To
force out as much air as possible, be sure to
roll toward water cell neck opening.
Pull ends out flat
Figure 3 – Force all air out of water cell
Roll Diagonally
Figure 4 – Roll diagonally toward neck
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7. To help insert water cell, sprinkle outside of it
with talcum powder. With tank on its side, push
tightly rolled water cell into tank, hooking water
cell neck ring over edge of tank head.
8. Insert arm in water cell and push sidewalls
outward. It is not necessary to remove all
wrinkles from water cell.
NOTICE: Don't push water cell into tank further
than its own length. In a large tank, water cell
can slip out of reach if pushed too far.
9. Clean tank head sealing surface and lip ring
groove of cover flange.
10. Pull lip ring of water cell through tank opening
and seat it against tank head.
11. Clean sealing surface and groove of cover
flange; place on tank (see Figure 5).
NOTICE: Be sure discharge port lines up with
hole in base.
12. NOTICE: Tighten nuts as follows:
A. Hand tighten all nuts.
B. Tighten one nut snug.
C. Tighten opposite nut snug.
D. Proceed, tightening opposite pairs of nuts to
a snug fit.
E. Recheck all nuts, using same pattern. Be sure
all nuts are tight and that you have a good
seal.
NOTICE: Do not overtighten; you may twist
studs off of tank. If you have a torque
wrench, tighten to 85 inch-pounds torque.
13. Stand tank on feet and reconnect piping.
14. Recharge tank to proper air pressure (see
Page 4).
15. Prime pump (see pump owner's manual).
Water
Cell
Cover
Flange
Figure 5 – Proper installation and
seating
5
Tank
Wall
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