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11. Pump out water remaining in very bottom of tank.
12. Wash down inside walls of tank as necessary.
13. Mop up remaining water.
14. Dry out inside of tank (reversed vacuum cleaner or air line from
a compressor).
15. Clean out any remaining dirt.
16. Examine interior for any rust blisters and remove them.
17. Roll up the new AMTROL
®
to keep it rolled (Figure 5).
18. Insert new bladder removing tape as it nears the tank.
19. Arrow on bladder flange must be pointing to top of tank (Figure 6).
20. Using a long wooden stick (broom handle), clear a path for the dip
tube/hose.
FAILURE TO PROPERLY SEAL VALVE CAP
WILL RESULT IN LOSS OF PRE-CHARGE
CAUSING TANK TO FAIL.
21. Insert dip tube/hose in bladder and assemble upper flange using
alignment marks from Step 6.
22. With
flanges
aligned,
40-50 ft. lbs.
23. Install drain plug (Fig. 2) using a liberal amount of TITE-
SEAL COMPOUND 55 or equal. This connection must be
absolutely airtight.
24. Install air valve core. Charge tank to equal system pressure using
dry air or nitrogen.
DANGER! EXPLOSION HAZARD. IF YOU
ADJUST THE PRE-CHARGE PRESSURE OR
ADD PRESSURE TO A TANK THAT IS CORRODED OR DAMAGED
OR WITH DIMINISHED INTEGRITY, THE TANK CAN BURST OR
EXPLODE,
POSSIBLY
PERSONAL INJURY AND/OR PROPERTY DAMAGE.
•
ONLY ADJUST THE PRE-CHARGE AS DESCRIBED IN THIS
MANUAL WHEN THE TANK IS NEW OR WHEN THE INTEGRITY
OF THE TANK AND LACK OF INTERNAL OR EXTERNAL
CORROSION IS CONFIRMED.
•
ONLY QUALIFIED PROFESSIONALS SHOULD CHECK, ADJUST
OR RE-CHARGE THE PRE-CHARGE OF TANKS.
IMPORTANT: If increasing pre-charge pressure above
55 psig the following steps must be followed:
a. Tank must be connected to the system with isolation
valve open.
b. System must be pressurized to 13-14 psig or slightly above
factory setting.
c. Isolation valve needs to be shut.
d. Pre-charge pressure of tank can now be increased to match
system fill pressure.
e. Open isolation valve and start up system.
Failure to follow these steps could result in damage to the
bladder and void all warranties.
25. Using soapy water, check the drain fitting threads, air valve core and
flange joint for leakage.
26. Connect tank to system. Open fill-valve and check operation. Always
pre-charge tank before completing this step.
FAILURE TO FOLLOW ALL WARNINGS MAY RESULT IN SERIOUS
INJURY OR FATAL PERSONAL INJURY AND/OR PROPERTY
DAMAGE AND WILL VOID THE WARRANTY.
1400 Division Road, West Warwick, RI USA 02893
T: 800.426.8765 www.amtrol.com
© 2019 Worthington Industries Inc.
One or more features of this product are covered by U.S. patents, visit www.amtrol.com/patents for more information.
bladder and tape as necessary intervals
tighten
bolt
evenly.
Torque
CAUSING
SERIOUS
OR
Warranty
Replacement Bladder: One (1) Year Limited Warranty
Visit www.amtrol.com for complete warranty details.
to
BLADDER
FATAL
Required Tooling & Supplies:
1. New AMTROL Bladder Kit
2. Plumbers Tool Box
3. Source of Compressed Dry Air or Nitrogen
4. Portable pump with 20 ft. suction hose
5. Light with 20 ft. Cord
6. Power Extension Cord (as required)
7. Chain Block
8. Pressure Gauge and Air Valve Tool
9. Long wooden stick (broom handle)
at least 1 ft. longer than tank height
Figure 5
ARROW
DOME
TOP
Figure 6
Part #: 9017-099 (01/19)
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