Typical Installation
10 3A8099A
Typical Installation Accessories
Install the accessories shown in FIG. 3, using adapters
as necessary.
Air Line Accessories
• Bleed-type master air valve (D): required in your
system to relieve air trapped between the pump and
the gun when the valve is closed.
NOTE: Be sure the valve is easily accessible from the
pump and located downstream from the air regulator.
• Pump air pressure regulator (E): to control pump
speed and fluid outlet pressure. Locate it close to
the pump.
• Air line filter (B): removes harmful dirt and moisture
from compressed air supply. Ensures a dry, clean
air supply.
• Gun air supply hose (H): connects air supply to the
gun. Use a 3/16 in. (5 mm) I.D. or larger air hose to
minimize excessive pressure drop in the hose.
• Gun air pressure regulator (C): controls air pressure
to the gun.
• Air shutoff valve (A): shuts off air to the gun and
pump.
Fluid Line Accessories
• Fluid filter (I): with a 60 or 100 mesh (250 micron)
stainless steel element to filter particles from the
fluid as it leaves the pump. Always use a clean fluid
filter.
• Fluid drain valve (L): relieves fluid pressure in the
hose and gun
• Fluid shutoff valve (not shown): shuts off fluid flow.
Can be installed in the fluid line to the gun.
• Fluid pressure regulator (not shown): for more
precise adjustment of the fluid pressure. Can be
installed in the fluid line to the gun.
NOTE: Systems without a fluid regulator control the
fluid pressure with the pump air regulator, per the
formula:
• Gun fluid supply hose (G): supplies fluid from a
pump to the spray gun.
• Fluid swivel connector (22): for easier gun
movement. Some models include a swivel
connector. See Models, page 3.
Trapped air can cause the pump to cycle
unexpectedly, which could result in serious injury from
moving parts or splashing fluid.
Pump
Ratio
x
Pump Air Regulator
Setting
=
Fluid
Pressure
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