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TYPICAL INSTALLATION
KEY
A Bleed-lype Master Alr Valva
C Air Line Filter
B
Pump Runaway Valva
D
Air Line
Oiler
E Pump Air Regulator
H
Drain Valve
J. Pump Ground Wire
K Grounded Fluid Hose
L Grounded Air Hose
M
Relax-A-Valve
21 Drain Back Tube
MAIN AIR SUPPLY
K
112MlNlMUM
NOTE:
Reference numbers and
letters in paren-
theses in the text refer to the callouts in the
figure illustrations and the parts drawing.
from Graco.
See page 8 for accessories that are available
selecting and
installing required and
optional ac-
The Typical Installation shown above is only a guide to
your needs, contact your Graco representative.
cessories. For assistance in designing a system to suit
The pump dimensions and mounting hole layout are
Mount the pump to suit the type of installation planned.
shown on page
14.
Mount this pump directly in
a
drum or supply tank suc-
Model
205628
only
tion line, using suitable adapters. Position the weep cup
directly under the drain back tube.
Pail or Drum Length Pumps
Install the pump in the drum or pail, using
a suitable
cover, bung adapter or
mounting clamp. The
pump
drum.
must be
112
in. (13 mm)
off
the bottom of the pail or
If the pump has
a
drain back tube, connect a drain hose
to
it
and route the hose back to the supply container.
NOTE:
In a closed-head drum, be sure to loosen the
vent plug in the drum cover to prevent for-
mation of
a
vacuum.
WARNING
Two accessories are required in your system:
a
bleed-type master air valve (A), if your pump does
not have a Relax-A-Valve, and a fluid drain valve
(H). These accessories
help reduce the risk of
serious bodily injury including injection, splashing
are adjusting or repairing the pump.
in the eyes, and injury from moving parts if you
The bleed-type master air valve relieves air t r a p
ped between this valve and the pump after the air
regulator is shut off. Trapped air can cause the
close to
the
pump.
pump to cycle unexpectedly. Locate
the valve
The fluid drain valve assists
in relieving fluid
pressure in the displacement pump, hose and
I
gun; triggering the sun to relieve pressure may
not be sufficient.
An Evenflo air regulator may be installed on pumps hav-
Pumps with Relax-A-Valve
ing a Relax-A-Valve. This regulator prevents initial surg-
pressure in the pump is relieved automatically each time
ing of non-atomized fluid when the gun
is
triggered. Air
the gun trigger is released. When used with a Relax-A-
Valve, set in the automatic position, fluid pressure is
relieved automatically also.
Installation continued on page 5
4
306-726
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