User Manual
IS-9BD
Installation - Service Parts No. 9BD
Backfl ow Preventer Conversion Instructions
For Dole Universal "Temprite" Carbonator
Sizes:
3
⁄8" FCT x
3
⁄8" FCT,
1
⁄4" NPTM x
1
⁄4" NPTM,
3
⁄8" NPTM x
3
⁄8" NPTM,
To Convert Present Installations:
1. Disconnect electrical supply to motor.
2. Shut off water supply to pump.
3. Shut off CO
2 supply valve.
4. Relieve pressure in carbonator tank by pulling up on relief
valve stem.
5. Remove hose and fi ttings connecting pump to tee on top
of carbonator tank.
6. Remove tee on top of check valve on carbonator tank and
discard the tee but save the tubing fi ttings from the plain
water take off for use later.
7. Remove hose and fi ttings connecting pump to check valve
on carbonator tank.
8. Remove the top half of the check valve leaving the bottom
half in the carbonator tank. (Be sure to remove the rubber
check and spring from the bottom half of the check valve.)
9. Install the Dole Universal “Temprite” or Amseco Niagara
“Selmix” Carbonator and Seal with Watts 9BD Backfl ow
Preventer directly into the bottom half of the existing check
valve. (Directional fl ow arrow on the valve body must point
to the tank).
10. Disconnect existing connector hose and fi ttings from outlet
side of pump and install new connector hose and fi ttings
where needed. (Attach the hoses or plain water take off
fi ttings from the tee removed above as required).
11. Connect the No. 9BD Backfl ow Preventer to the pump
outlet by reconnecting the existing tube and fi ttings as-
sembly. Connect a vent discharge line to the vent outlet of
No. 9BD and vent to a safe place of disposal with adequate
ventilation where CO
2 discharge is not a hazard.
12. Turn on CO
2 gas and adjust regulator to between 80
and 100 lbs. pressure.
13. Open soda water faucet for at least 30 seconds to blow
all air out of carbonator.
14. Close faucet, turn on water supply and turn on power
supply to pump motor.
15. When pump stops, open faucet again until full stream
of carbonated water is obtained.
16. Use proper wrenches on all fi ttings
do not use pipe wrenches.
AFTER
BEFORE
Existing
Dole Check Valve
Existing
Connector Hose
& Fittings
Water
Supply
New
Connector
Hose & Fittings
(When needed)
Watts
No. 9BD
Half of Existing
Check Valve
Water
Supply
Pump
Pump
Check Kits
ORDERING CODE KIT NO. SIZES
in. mm.
886012 RK 9BD T
1
⁄4 -
3
⁄8 6 - 10
Kit includes: Primary and secondary check assemblies and two gaskets.