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3 . Dispense chemicals in an appropriate container and
examine the chemical streams . If using 120' lines install a
calibration nozzle . If the streams are equal, the problem
existed in the nozzle . Continue with steps 4-7 below . If the
problem is not corrected, the blockage exists in the system .
Continue with CAUTION – below step 7 .
4 . Clean any chemical from the Insta-Flo
5 . Insert an unused nozzle .
6 . Dispense chemical in an appropriate container .
7 . Check the quality of the foam . If the foam is good, the
system is ready to operate . If the problem is not corrected,
the blockage exists in the system .
CAUTION: When disconnecting chemical lines, always
cover the connections with a rag to minimize chemical
spray or spillage .
8 . Turn off the "A" and "B" lines with the in-line on-off valves .
The valve handles should be perpendicular to the
chemical lines .
9 . Depressurize the Gun/Hose Assembly by pulling the trigger,
dispensing chemicals in an appropriate container .
10 . Disconnect the Insta-Flo
using two adjustable wrenches .
11 . While holding the chemical line over an appropriate
container, carefully open the valve of the "A" hose and
dispense chemical into the container . Check the flow .
Repeat for the 'B' hose .
12 . If the flow was adequate from both hoses, the problem was
with the Insta-Flo
Gun/Hose Assembly . Discard the old
™
Insta-Flo Gun/Hose Assembly and replace with a new one
according to steps 13-20 . If a blockage persists, continue
with step 21 .
13 . Connect the new Insta-Flo Gun/Hose Assembly .
14 . Tighten all connections with two adjustable wrenches .
15 . Verify that all chemical line valves are on . The valve handles
should be perpendicular to the chemical lines .
16 . Dispense chemicals in an appropriate container to verify
proper chemical flow . Check the flow with a calibration
nozzle attached for 120' hoses .
17 . Clean any chemical from the face of the Insta-Flo
with a rag .
18 . Insert an unused nozzle with the key slot down . Push in
firmly until the nozzle ejector is seated over the back rim
of the nozzle .
Gun face using a rag .
™
Gun from the in-line on-off valve
™
Gun
™
19 . Dispense chemicals in an appropriate container .
20 . Check the quality of the foam . If the foam quality is good,
the system is ready to operate . If problems persist, go back
to step 2 .
21 . Turn off the on-off valve located near the tank filter of the
blocked line .
22 . Turn on the in-line on-off valve of the blocked line to
depressurize the hose, allowing the chemical to dispense
in an appropriate container .
23 . Close the in-line on-off valve when the hose has
depressurized .
24 . Disconnect the obstructed chemical hose from the on-off
valve located next to the tank filter .
25 . Re-open the on-off valve located near the filter and allow
the chemical to flow in an appropriate container . If the
chemical flow is unobstructed, the blockage exists in the
chemical hose which must be replaced .
26 . If the blockage persists, examine the tank filter . The arrow
on the filter should be pointing away from the tank . If not,
change the filter direction, steps 31-41 . If the filter was
installed correctly, continue with step 42 .
27 . Close the on-off valve .
28 . Close the chemical tank valve .
29 . Open the on-off valve located near the filter to depressurize
the filter .
30 . Disconnect the on-off valve from the filter .
31 . Disconnect the filter from the chemical tank valve .
32 . Reconnect the new filter with the arrow pointing away
from the tank .
33 . Reconnect the on-off valve with the swivel to the filter .
34 . Tighten all connections with an adjustable wrench .
35 . Verify that the on-off valve is closed . The handle should be
perpendicular to the valve .
36 . Open the chemical tank valve .
37 . Open the on-off valve and allow the chemical to flow in
an appropriate container . If the flow is full, reconnect the
chemical hose and Gun/Hose Assembly and perform
steps 16-23 . If the flow is weak the problem exists in the tank .
Contact your DuPont Sales Representative for assistance .
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