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Pump Test
Pump Test
Follow this procedure the first time system is operated
(after flushing and priming) and whenever you need to
check whether pumps are on ratio.
The following table shows the volume dispensed during
the pump test, based on pump ratio. Dispense into a
container with adequate graduations.
Pump/Meter
UltraMix
HydraMix
Meters
UltraMix with meter
HydraMix with meter
*
Meter dispense volume may vary based on pump
calibration. Specific meter volume for your
machine will be displayed after meter dispense.
Volume in beaker should match display.
For accurate ratios, pump lowers must be same
size on both sides.
1.
Turn function knob to
Open main air shutoff valve. Adjust air pressure to
50 psi (0.35 MPa, 3.5 bar).
22
Volume Dispensed
Pump at
5 cycles
Meter
270 cc
---
460 cc
---
---
500 cc
270 cc
243 cc*
460 cc
408 cc*
. Set air regulator to 0.
2.
Dispense fluid A:
a.
Close fluid shutoff valves (G
A
pling valves (H
b.
Place a clean 1 quart (1000 cc) container under
sampling valve H
c.
Press
. Indicator A comes on.
d.
Slowly open and adjust sampling valve H
achieve desired flow. The pump stops automati-
cally after 5 cycles. During the last cycle the
pump will stop once on the upstroke and once
on the downstroke to perform a pump stall test.
Indicator A turns off, indicator B comes on.
3.
Close sampling valve H
A
B
and G
) and sam-
B
and H
).
A
.
A
.
309908G
A
to
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