User guide
Dow Building Solutions
9. Connect an in-line on-off valve to the other end of
each chemical hose. Verify that the arrow on each
valve points away from the hose being connected –
arrow indicates chemical flow. Tighten each connec-
tion with two adjustable wrenches.
10. Connect the Gun/Hose Assembly to the in-line valve
of each hose, “A” labeled hose to “A” labeled hose, the
unlabeled hose to the unlabeled hose. Tighten each
connection using two adjustable wrenches.
Section 4
Start-up Procedure
DO NOT breathe vapor or spray. Proper PPE and ventilation are
required. See product SDS and Section 2 of this manual for further
information. Follow all precautions for product.
4.1 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 counterclockwise. If a hissing
sound occurs, further tighten the nitrogen regulator
valve stem with an adjustable wrench.
3. Verify 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 (120160psi – Do not
go over 225psi) (see section 12). If a hissing sound
occurs, further tighten the yellow-coded 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 Dow Chemical
Sales Representative.
3.4 Chemical Hose Installation
1. Verify that the chemical tank valves are closed. The handle
should be perpendicular to the valve. Remove the chemical
valve plugs from the “A” and “B” tanks and place the plugs on
top of the tank.
2. Carefully remove all of the vaseline in the “A” chemical
tank valve.
3. Remove the chemical filters from the canvas bags on
top of each tank. Verify that the filter and the cartridge
are free by shaking the filter until you hear a clicking
sound.
NOTE: Air blown into end in the direction of arrow will pass
freely through the filter.
4. Connect a chemical filter to each tank valve with the
filter arrow pointing away from each tank. The arrow
represents the chemical flow. Tighten the filters with
an adjustable wrench. The filter prevents chemical
from flowing back into the tank.
5. Take the on-off valves with the swivel ends and
connect them to each tank filter. Tighten the connec-
tions with an adjustable wrench.
6. Uncoil the chemical lines. Tape them together every
few feet with tape.
7. Connect the “A” labeled chemical hose to the “A”
tank on-off valve. Tighten the connection with an
adjustable wrench.
8. Connect the other chemical hose to the “B” tank on-off
valve. Tighten the connection with an adjustable wrench.
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