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8 . Turn off the in-line on-off valves . The valve handles should
be perpendicular to the chemical lines .
9 . Turn off the on-off valves located near the chemical filters .
The valve handles should be perpendicular to the
chemical lines .
10 . Turn off the chemical tank valves of the "A" and "B" tanks .
The handles should be perpendicular to the valves .
11 . Turn off the yellow-coded nitrogen intake valves of the
"A" and "B" tanks . The handles should be perpendicular to
the valves .
12 . Turn off the nitrogen cylinder by turning the valve on the to
of the nitrogen cylinder in a clockwise direction .
13 . Back out both nitrogen regulator valve stems until they are
freewheeling .
14 . Coil the chemical lines to prevent possible tripping
and damage .
15 . Unplug Arctic Pak Controller if being used .
Section 7
Storage
1 . Store in a dry area .
2 . Store between 60°–80°F (16°–27°C) .
3 . Short term storage between 45°–60°F (7°–16°C) is permitted .
4 . DO NOT store at temperatures above 120°F (49°C) .
5 . DO NOT not store near steam or hot water pipes .
6 . DO NOT store near chimneys or heat vents .
7 . If a partially used system remains inactive for a period of
time, the system should be pressurized and purged every
two weeks . This will prevent crystallization of the chemical
in the hoses .
8 . Unopened chemical tanks have a shelf life of approximately
15 months .
Section 8
DO NOT breathe vapor or spray . Proper Personal Protective
Equipment and ventilation are required . See product SDS and
Section 2 of this manual for further information . Follow all
precautions for product .
Re-Start-Up
1 . Open the nitrogen valve fully to pressurize the system . and
re-set the regulators to previous pressures .
2 . Open the two sets of valves on the chemical tanks for the A
and B sides and then the valves on the gun .
3 . Remove the cured nozzle that you left attached to the gun .
4 . Spray into a waste container . Ensure that you have good flow
and a foamed material from both the A and B side hoses .
5 . Clean the face of the gun . Attach a new nozzle .
6 . Spray a test sample to ensure good quality foam .
7 . Resume spraying .
Re-start Procedure
8.1 System Pressurization
1 . Verify that the valve stems on the regulator are backed out
and are freewheeling .
2 . Open the nitrogen bottle valve by turning the knob on top of
the cylinder counter-clockwise . If a hissing sound occurs,
further tighten the nitrogen regulator valve stem with an
adjustable wrench . Use only in well ventilated areas . Wear
suitable respiratory protection .
3 . Verify that the nitrogen cylinder pressure using the center
gauge of the nitrogen regulator assembly . The system WILL
NOT operate efficiently if the pressure falls below 500 psi .
If below 500 psi, replace the nitrogen cylinder .
4 . Turn the left regulator stem clockwise to the proper pressure
setting of the "A" tank (see section 12) .
If a hissing sound occurs, further tighten the yellow/redcoded
nitrogen line connection to the nitrogen regulator assembly
and/or the nitrogen intake valve connection on the "A" tank
using an adjustable wrench . If the left gauge fails to indicate
a pressure setting, contact your DuPont Sales Representative .
5 . Turn the right regulator stem clockwise to the proper
pressure setting of the "B" tank (see section 12) .
If a hissing sound occurs, further tighten the yellow/
bluecoded nitrogen line connection to the nitrogen regulator
assembly and/or the nitrogen intake valve connection on the
"B" tank using an adjustable wrench . If the right gauge fails
to indicate a pressure setting, contact your DuPont Sales
Representative .
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