Amtrol EXTROL LBC Series Guide

Diffuser
Air Charge
Lifting
Ring
Lifting
Ring
Elbow
Blind Flange
Flange Ring
Stand
Bladder
Adapter
Nut
Drain
EXTROL® LBC SERIES
REPLACEMENT BLADDER INSTRUCTIONS
READ CAREFULLY THE EXTROL REPLACEMENT
BLADDER INSTRUCTIONS TO AVOID SERIOUS
PERSONAL INJURY AND PROPERTY HAZARDS AND TO ENSURE SAFE
USE AND PROPER CARE OF THIS PRODUCT.
EXPLOSION OR RUPTURE HAZARD. THE EXPANSION
TANK MUST BE OPERATED SO THAT THE
PRESSURE DOES NOT EXCEED THE MAXIMUM WORKING PRESSURE.
This Product, like most Products under pressure, may
over time corrode, weaken and burst or explode, causing
serious or fatal injury, leaking or flooding and/or property damage. To minimize
risk, a licensed professional must install and periodically inspect and service the
Product. A drip pan connected to an adequate drain must be installed if leaking
or flooding could cause property damage. Do not locate in an area where
leaking could cause property damage to the area adjacent to the appliance or
to lower floors of the structure.
EXPLOSION HAZARD. Failure to follow instructions in
the accompanying product manual can cause rupture or
explosion, possibly causing serious or fatal injury, leaking or flooding and/or
property damage.
This product can expose you to chemicals including lead,
which is known to the State of California to cause cancer
and birth defects or other reproductive harm. For more information go to
www.P65Warnings.ca.gov.
NOTE: Inspect for shipping damage and notify freight carrier or store where purchased immediately if damage is present. To avoid risk of personal
injury and property damage, if the product appears to be malfunctioning or shows signs of corrosion, call a licensed professional immediately.
Current copies of the Product manual can be viewed at www.amtrol.com. Use proper safety equipment when installing.
THIS IS THE SAFETY ALERT SYMBOL. IT IS USED TO ALERT YOU TO POTENTIAL PERSONAL INJURY AND
OTHER HAZARDS. OBEY ALL SAFETY MESSAGES THAT FOLLOW THIS SYMBOL TO REDUCE THE RISK OF
PERSONAL INJURY AS WELL AS PROPERTY DAMAGE.
Models 35-LBC through 600-LBC

Installation
THIS PRODUCT MUST BE INSTALLED
BY A LICENSED PROFESSIONAL.
1. Be sure to have a complete bladder kit (bladder kit consists of
blind flange, bladder support pipe and bladder assembly).
2. Isolate tank from system.
3. Drain water from bladder.
4. Remove air valve core to bleed remaining air charge.
5. Remove drain plug. (Figure 1).
6. Disconnect system connection.
7. Unbolt blind flange from tank and pull out bladder kit from
tank. (Figure 2).
8. Wash down inside walls of tank as necessary.
9. Mop up remaining water.
10. Dry out inside of tank (reversed vacuum cleaner or air line
from compressor).
11. Clean out any remaining dirt.
12. Examine interior of tank for any rust blisters and remove them.
13. Fold new bladder around bladder support pipe. (Figure 3).
14. Insert new bladder kit into bottom of tank. Use existing bolts
from tank flange. (Figure 4).
15. Using water from spray bottle, lubricate bladder to make it
easier to fit through flange opening. (Figure 5).
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
PLEASE READ THE FOLLOWING INSTRUCTIONS CAREFULLY
IMPORTANT GENERAL SAFETY INFORMATION -
ADDITIONAL SPECIFIC SAFETY ALERTS APPEAR IN THE FOLLOWING INSTRUCTIONS.

16. Insert bladder neck into bottom of tank. (Figure 6).
17. Pull out flange neck of bladder and fit on blind flange.
Bladder neck becomes gasket for flange. (Figure 7).
18. Align elbow with hole in skirt to make system connection.
19. Insert bolts by hand into flange and tighten in a cross pattern
to 40-50 foot-pounds. (Figure 8).
20. Install drain plug using a liberal amount of Tite-Seal compound
55 or equal. (This connection must be absolutely air-tight)
FAILURE TO PROPERLY SEAL WILL
RESULT IN LOSS OF PRECHARGE
CAUSING TANK TO FAIL.
21. Install air valve core. Charge tank to equal system pressure
using dry air or nitrogen. (Figure 9).
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 CAUSING SERIOUS
OR FATAL 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 LICENSED 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.
22. Using soapy water, check the drain fitting threads, air valve
core and flange joint for leakage.
23. 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.
Warranty
LBC Series Models: One (1) Year Limited Warranty
Visit www.amtrol.com for complete warranty details.
Figure 6
Figure 7
Figure 8
Figure 9
Required Tooling & Supplies:
1. New AMTROL Bladder Kit
2. Source of Compressed Dry Air or Nitrogen
3. Light with 20 ft. Cord
4. Power Extension Cord (as required)
5. Chain Block
6. Pressure Gauge and Air Valve Tool
7. Spray Bottle

© 2019 Worthington Industries Inc. Part #: 9017-088 (06/19)
One or more features of this product are covered by U.S. patents, visit www.amtrol.com/patents for more information.
1400 Division Road, West Warwick, RI USA 02893
T: 800.426.8765 www.amtrol.com