Graco ProMix Easy Series, Manual

Page: 25 / 40

Batch Dispense or Ratio Check
309908G 25
Batch Dispense or
Ratio Check
Follow this procedure to dispense a batch (into one con-
tainer) or verify a ratio setting (use separate container
for fluid A and B). Dispense into a container with gradua-
tions no greater that 5% of each component.
4.
Dispense fluid B:
a.
Batch dispense: move the 1 quart (1000 cc)
container under sampling valve H
B
.
Ratio check: place clean 1 quart (1000 cc) con-
tainer under sampling valve H
B
.
5.
Batch dispense: stir material until mixed.
Ratio check: compare A and B fluid dispense.
6.
To resume Spraying, see page 24.
Batch dispense is always 1 pint (500 cc) of total
volume, regardless of ratio setting.
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 when dispense is complete. Indicator A
turns off, indicator B comes on.
3.
Close sampling valve H
A
.
On higher ratio settings, use a smaller container for
more accurate readings.
b.
Slowly open and adjust sampling valve H
B
to
achieve desired flow. The pump stops automati-
cally when dispense is complete. Indicator B
turns off.