Operation
Pressure Relief Procedure
INJECTION
HAZARD
To
reduce the risk of serious bodily
injury, including fluid injection or splash-
follow this procedure whenever you shut
off
the
ing in the eyes or on the skin, always
pump, when checking or servicing any part of the
system, when installing or changing dispensing
devices, and whenever you stop dispensing.
1.
Close the pump air regulator and
the
bleed-type
master air valve (required in your system).
2.
Hold a metal partof the dispensing valve firmly
to
valve
to
relieve the fluid pressure, or open the
a grounded metal waste container and trigger 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
component. Never exceed the maximum working
know the maximum working pressure of each
system. Overpressurizing any component can
pressure of the lowest rated componentinthe
and serious injury.
result inrupture, fire, explosion, property damage,
To
determine the fluid output pressure using theair
regulator reading, multiply the ratio ofthepump by
the
air
pressure shown on the regulator gauge. For
example:
3
(A)
ratio x
180
psi air
=
540
psi fluid output
[3
(3)
ratio
x
7
bar air
=
21
bar fluid output]
Limit the air
to
the pump
so
that no air line or fluid
line component or accessory is overpressurized.
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
contact between the container and valve.
metal waste container, making firm metal-to-metal
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
dispensing valveisopened and shuts
off
when
it
isclosed.
4.
Adjust the air regulator until you get sufficient flow
at
the
lowest speed necessary
to
get the desired
from the dispensing valve. Always run the pump
pressure of any componentinthe system.
results.
Do
not exceed the maximum working
NOTES:
Never allow the pump
to
run dryof 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 containeris empty and air has been pumped
into the lines, prime the pump and lines with fluid,
or flushitand leaveitfilled with a compatible
solvent.
Be
sure
to
eliminateallair from the fluid
lines.
Read and follow the instructions supplied with each
component in your system.
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 thePressureRelief
Procedureat
left.
