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Operation
Pressure Relief Procedure
SKIN INJECTION HAZARD
To reduce the risk of serious bodily
injury, including fluid injection or splash-
ing in the eyes or on the skin, always
follow this procedure whenever you shut off the
pump, when checking or servicing any part of the
system, when installing or changing dispensing
devices, and whenever you stop dispensing.
WARNING
1. Close the pump air regulator and the bleed-type
master air valve (required in your system).
2. Hold a metal part of the dispensing valve firmly to
a grounded metal waste container and trigger the
valve to relieve the fluid pressure, or open the
drain valve (H).
Startup and Adjustment
COMPONENT RUPTURE HAZARD
The maximum working pressure of each
component in the system may not be the
same. To reduce the risk of overpres-
surizing any component in the system, be sure you
know the maximum working pressure of each
component. Never exceed the maximum working
pressure of the lowest rated component in the
system. Overpressurizing any component can
result in rupture, fire, explosion, property damage,
and serious injury.
To determine the fluid output pressure using the air
regulator reading, multiply the ratio of the pump by
the air pressure shown on the regulator gauge. For
example:
3 (:1) ratio x 180 psi air =
540 psi fluid output
[3 (:1) ratio x 1.2 MPa air = 3.6 MPa fluid output]
[3 (:1) ratio x 12 bar air = 36 bar fluid output]
Limit the air to the pump so that no air line or fluid
line component or accessory is overpressurized.
WARNING
1. With the air regulator (C) closed, open the bleed-
type master air valves (A), or, if so equipped, join
the quick disconnect coupler (M) to the male fitting
(L).
2. Open the dispensing valve (J) into a grounded
metal waste container, making firm metal-to-metal
contact between the container and valve.
3. Open the pump air regulator (C) slowly, just until
the pump is running. When the pump is primed
and all air has been pushed out of the lines, close
the dispensing valve.
NOTE: When the pump is primed, and with sufficient
air supplied, the pump starts when the dis-
pensing valve is opened and shuts off when it
is closed.
4. Adjust the air regulator until you get sufficient flow
from the dispensing valve. Always run the pump
at the lowest speed necessary to get the desired
results. Do not exceed the maximum working
pressure of any component in the system.
NOTES:
D Never allow the pump to run dry of the fluid being
pumped. A dry pump will quickly accelerate to a
high speed, possibly damaging itself. If your pump
accelerates quickly, or is running too fast, stop it
immediately and check the fluid supply. If the
supply container is empty and air has been pumped
into the lines, prime the pump and lines with fluid,
or flush it and leave it filled with a compatible sol-
vent. Be sure to eliminate all air from the fluid lines.
D Read and follow the instructions supplied with each
component in your system.
D If the pump will be unattended for any period of
time, or to shut off the system at the end of the
work shift, always follow the Pressure Relief
Procedure at left.