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Operation
Priming
Overview: Prime the base, add the inhibitor, and then
add the catalyst. This assumes all feed system pumps
are loaded, primed and ready to dispense.
NOTE: Prime with the valve stack not connected up to
the screw located on the press.
1. Disconnect the mixer and valve stack from the
screw located on the press.
2. Place a waste container under the mixer.
3. Prime the base component.
a. Go to the DRIVE/VALVE CONTROL Screen.
b. ENABLE the base drive.
c. HOME the base drive.
d. In the ALL window, press the SET MAN'L
MODE button.
e. When the Base indicates the pump is HOME,
press the EXTEND PUMP button and wait for
the base pump to fully extend.
f.
Push the OPEN INLET VALVE button and verify
the indicator shows OPEN.
g. Push the OPEN OUTLET VALVE button and
verify the indicator shows OPEN.
h. If a customer supplied valve is installed
between the mixer and screw, push the OPEN
SCREW VALVE button and verify the screen
shows OPEN.
i.
When all valves are open and there is a clear
path from the inlet valve to the mixer, slowly
increase the air pressure on the feed pump until
the feed pump begins to cycle.
j.
Let the feed pump cycle until air free base mate-
rial comes out the end of the mixer.
20
k. Press the CLOSE OUTLET VALVE push button
and verify the Indicator shows CLOSED.
l.
Press the CLOSE SCREW VALVE push button
and verify the indicator shows CLOSED.
m. Press the HOME PUMP push button. The actu-
ator shaft will rise and the feed pump will cycle
to charge the pump.
n. Adjust the feed pump air pressure so the base
material pressure shows approximately
500 psi (3.4 MPa, 34 bar). The pressure read-
out shows on either the STARTUP, STATUS, or
PRESSURE LOG screens.
4. Prime the inhibitor pump (1093 valve).
a. Turn the air pressure on the inhibitor feed pump
so that the actual material pressure is around
300 psi (2.1 MPa, 21 bar). This is an estimate
based on the air pressure on the feed pump and
the power factor of the pump. If pressure trans-
ducers are included (kit 24M127), the inhibitor
pressure readout can be seen on either the
STARTUP, STATUS, or PRESSURE LOG
screens.
b. On the DRIVE/VALVE CONTROL screen, push
the SET AUTO MODE button.
c. If a customer supplied screw valve is being
used, push the AUTO SCREW VALVE push
button.
d. Verify all pumps are ENABLED and HOME.
e. Go to the AUTO MODE SETUP screen.
f.
Set the TOTAL FLOW RATE to 4-6cc/sec.
g. Set the INHIBITOR PERCENT OF MIX to 6%
h. Set the CATALYST PERCENT OF MIX to zero.
i.
If color is used (Kit 24M126), Set the COLOR
PERCENT OF MIX to zero.
3A2152B
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