Pump Test
24
310665E
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
Volume Dispensed/5 cycles
HydraMix
460 cc
For accurate ratios, pump lowers must be same
size on both sides.
1.
Turn function knob to
. Set air regulator to 0.
Open main air shutoff valve. Adjust air pressure to
50 psi (0.35 MPa, 3.5 bar).
2.
Dispense fluid A:
a.
Close fluid shutoff valves (G
A
and G
B
)
and sam-
pling valves (H
A
and H
B
).
b.
Place a clean 1 quart (1000 cc) container under
sampling valve H
A
.
c.
Press
. Indicator A comes on.
d.
Slowly open and adjust sampling valve H
A
to
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
.
Summary of Contents for 234614
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