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6 306981
Installation
Refer to the Typical Installation drawing (Fig. 2).
WARNING
A bleed-type master air valve (D) and a fluid drain
valve (J) are required in your system. These acces-
sories help reduce the risk of serious injury, includ-
ing skin injection and splashing of fluid in the eyes
or on the skin, and injury from moving parts if you
are adjusting or repairing the pump.
The bleed-type master air valve relieves air trapped
between this valve and the pump after the air is
shut off. Trapped air can cause the pump to cycle
unexpectedly. Locate the valve close to the pump.
Order Part No. 113333.
The fluid drain valve assists in relieving fluid pres-
sure in the displacement pump, hose, and gun.
Triggering the gun to relieve pressure may not be
sufficient. Order Part No. 238635.
Mounting Accessories
Mount the pump (A) to suit the type of installation
planned. The pump dimensions and mounting hole
layout are shown on page 23.
Air and Fluid Hoses
Ensure that you have an adequate compressed air
supply. Refer to the performance chart on page 20 to
find the air consumption of your pump.
Be sure all air and fluid hoses are properly sized and
pressure-rated for your system. Use only electrically
conductive air and fluid hoses. Fluid hoses must have
spring guards on both ends.
Connect an electrically conductive fluid hose (L) to the
pump’s 3/8 npt(f) fluid outlet. Use of a short whip hose
between the main fluid hose (L) and the gun (M) allows
freer gun movement.
Connect a fluid suction hose or tube (N) to the pump’s
3/4 npt(m) fluid intake.
Use an electrically conductive 1/2 in. I.D. (minimum)
air hose (H) to supply air to the pump.
Air Line Accessories
Install the following accessories in the order shown in
Fig. 2, using adapters as necessary:
D An air line lubricator (C) provides automatic air
motor lubrication.
D A bleed-type master air valve (D) is required in
your system to relieve air trapped between it and
the air motor when the valve is closed (see the
WARNING at left). Be sure the bleed valve is easily
accessible from the pump, and is located down-
stream from the air regulator.
D A pump runaway valve (B) senses when the
pump is running too fast and automatically shuts off
the air to the motor. A pump which runs too fast can
be seriously damaged.
D An air regulator (E) controls pump speed and
outlet pressure by adjusting the air pressure to the
pump. Locate the regulator close to the pump, but
upstream from the bleed-type master air valve.
D An air line filter (F) removes harmful dirt and
moisture from the compressed air supply.
D A second bleed-type air valve (G) isolates the air
line accessories for servicing. Locate upstream
from all other air line accessories.
Fluid Line Accessories
Install the following accessories in the positions shown
in Fig. 2, using adapters as necessary:
D A fluid drain valve (J) is required in your system
to relieve fluid pressure in the hose and gun (see
the WARNING at left). Install the drain valve point-
ing down, but so the handle points up when the
valve is opened.
D A fluid filter (K) filters harmful particles from the
fluid.
D A spray gun (M) dispenses the fluid. The gun
shown in Fig. 2 is an airless spray gun.