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Material Supply Connections
Connect material supply to inlets of proportioning unit as
follows:
Main air supply must be clean and free of contami-
nants. Use a minimum of 3/8 in. (10 mm.) ID air line
(not supplied) to deliver air supply to heated hoses.
A main air shutoff valve to transfer pumps and
heated hoses is recommended.
1. Ensure that A- and B-inlet ball valves on proportion-
ing unit are closed.
2. Connect and tighten B- (resin) supply hose to 3/4
FPT swivel fitting on B-inlet ball valve and to resin
transfer pump.
3. Connect and tighten A- (isocyanate) supply hose to
1/2 FPT swivel fitting on A-inlet ball valve and to iso-
cyanate transfer pump.
4. Connect air supply to 1/4 npt nipple on the 2:1
Transfer Pump. Remove cap to access nipple.
16
Heated Hose Installation
Hose connection points are a potential source of
chemical and air leaks. These areas are also most
exposed to damage due to scuffing and snagging. It is
strongly recommended to install a scuff jacket to pro-
tect hoses and a FTS extension harness to protect
from damage.
1. Connect isolation hoses to respective primary
heater outlet fittings.
Heated hose assemblies are connected end to end
when shipped to protect them from moisture. Do
not separate hoses until you are ready to connect
them to proportioning unit.
F
. 11: Isolation Hose Connections
IG
Initial Set-up
Resin (Blue)
Iso (Red)
Tape
FTS Harness
Hose Heat Power
Lock Connector
311392C
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