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TYPICAL INSTALLATION
KEY
INSTALLATION
The dimensional drawing on the back page gives
measurements needed for installing the pump on a
custom designed mounting. See ACCESSORIES for
Graco mounting accessories.
NOTE:
Reference numbers and letters in paren-
theses in the text refer to the Typical Installa-
tion, Figures, and Parts Drawing.
l e J W
Ground the pump, all other components in the
system, and the object being sprayed as in-
structed in FIRE
OR
EXPLOSION HAZARD on
System Accessories
Refer to the TYPICAL INSTALLATION drawina and the
ACCESSORIES
section for assistance in settins up your
they are adequately sized to meet system requirements.
system. If you supply your own accessories, be sure
WARNING
Two accessories, the bleed-type master air valve
(GI,
and the fluid drain valve
(R)
are required for
jury from moving parts, splashing
or
fluid injection
your system to reduce the risk of serious bodily in-
when shutting
off
the pump.
The bleed-type master air valve relieves air trap-
ped between the valve and the pump, after the
pump is shut
off.
Trapped air cen cause the pump
to cycle unexpectedly and result in serious
bodily
injury if you are adjusting or repairing the pump.
The fluid drain valve helps relieve fluid pressure in
valve when shutting off the pump. Triggering the
the displacement pump, hose and gunldispensing
gunldispensing valve to relieve pressure may not
be sufficient, especially if there is a clog in the
hose, gunldispensing valve, or tipinozzle.
Upstream from the pump air inlet, install an air line filter
(E)
to remove harmful dirt and moisture from your com-
pressed air supply, an air regulator (F) with a bleed-type
pressure, and an air line oiler (GI for automatic air motor
master air valve (R) to control pump speed and fluid
To shut
off the
air supply to the pump if the pump ac-
lubrication. Install a pump runaway control valve E).
which operates too fast can be seriously damaged.
celerates beyond the pre-adjusted setting. A pump
Downstream from the pump in the fluid
line, you should
install a filter (J) and drain valve (K).
A
surge tank at the pump outlet will help absorb pump
pulsations
at
stroke changeover. Sea ACCESSORIES
for an available tank and the required mounting hard-
ware. To install the tank
on
a cart or wall-mounted
pump, screw the pipe nipple into the displacement
pump's 314 npt(f) fluid outlet, and screw the tank onto
the nipple. Remove the plug from the air motor fluid
outlet, and screw the surge tank clamp into the outlet.
Secure the clamp around the tank with a 114 in. screw,
lockwasher and nut. Screw the swivel union into the
3 / 8 npt(f) outlet of the tank, and connect the hoses.
Connect The Hoses
Using
a
suitable adapter, connect
a
grounded air supply
hose (L) to the system's air inlet.
Using
a
suitable adapter, connect
a
grounded 314 in.
ID
fluid hose
(M)
to the 314 in. npt(f) fluid outlet of the
pump. For more flexible gun movement, use a shorter
112 in. ID hose (N) between the gun and main hose.
intake adapter
[P)
of the pump. See ACCESSORIES.
Connect a suction hose and siphon tube to the 1" npt(f)
306-694
5
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