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Air Line
1. Install the air line accessories as shown in F
Be sure the air line supplying the accessories is
grounded.
a. The fluid pressure can be controlled with either
an air regulator (F) to control the air into the
pump, or with a fluid regulator (H) to control the
fluid out of the pump.
b. Install a bleed-type master air valve (B) close to
the pump. This valve is required in your system
to relieve air trapped between it and the pump
when the valve is closed. Trapped air can cause
the pump to cycle unexpectedly which could
result in serious injury including splashing in the
eyes or on the skin, or injury from moving parts.
Be sure the bleed valve is easily accessible
from the pump, and is located downstream from
the air regulator.
c. Install a second air valve (E) upstream from all
air line accessories to isolate them during
cleaning and repair.
d. Install an air line filter (D) to remove contami-
nates such as dirt, moisture, and oil from the
compressed air supply.
2. The air valve does not require lubrication.
3. Install a grounded, flexible air hose between the
accessories and the pump air inlet. See Technical
Data on page 26 to determine the air inlet size of
your pump. Use a minimum 1/2" (13 mm) ID air
hose.
Fluid Suction Line
•
See Technical Data on page 26 to determine the
fluid inlet size of your pump.
•
Use conductive hoses (see F
tion line into the pump inlet snugly. Use a compati-
ble liquid thread sealant on connections to prevent
air from entering the fluid line.
6
. 2.
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. 2). Screw the suc-
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CAUTION
The pump must be suction-fed in order to operate
properly. Pressure feeding the pump will cause bel-
lows seal failure.
•
For maximum suction lift (wet and dry) information,
see Technical Data on page 26.
•
Use an agitator to prevent fluid from settling out.
Part number 245081 Agitator Kit (accessory) is
available.
Fluid Outlet Line
1. Use electrically conductive fluid hoses (P). See F
2. Screw the fluid fitting into the pump outlet (N)
snugly. See Technical Data on page 26 to deter-
mine the fluid outlet size of your pump.
2. Install a fluid regulator at the pump fluid outlet to
control fluid pressure, if desired. Install a fluid drain
valve (H) near the fluid outlet.See Air Line step 1a
for an alternative method to control pressure.
3. Install a fluid drain valve (J) near the fluid outlet.
WARNING
A fluid drain (J) valve is required in your system to
relieve pressure in the hose if it is plugged. The drain
valve reduces the risk of serious injury, including
splashing in the eyes or on the skin, or contamination
from hazardous fluids when relieving pressure. Install
the valve close to the pump fluid outlet. To use the
valve as a circulation valve, connect a tube (K)
between the valve and pail.
CAUTION
Some systems may require installation of a pressure
relief valve at the pump outlet to prevent overpressur-
ization and rupture of the pump or hose.
Thermal expansion of fluid in the outlet line can cause
overpressurization. This can occur when using long
fluid lines exposed to sunlight or ambient heat, or
when pumping from a cool to a warm area (for exam-
ple, from an underground tank).
Overpressurization can also occur if the pump is
being used to feed fluid to a piston pump and the
intake valve of the piston pump does not close, caus-
ing fluid to back up in the outlet line.
Installation
.
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309479A
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