Connect Pneumatic Supply; Route Exhaust To Remote Location; Connect Chemical Outlet - Graco Python XL-DA25 Series Instructions And Parts

Connect Pneumatic Supply

1. Install the pneumatic regulator (E) and gauge to
control the inlet pressure. See Models on page 3 for
your model's maximum pneumatic pressure.
NOTE: If less than 100 psi supply pressure is used, the
pump's maximum output pressure will be decreased
proportionally.
Minimum Pneumatic Pressure can be found by first find-
ing the table that corresponds to the plunger size (see
Minimum Pneumatic Pressures by Fluid Plunger
Size and Outlet Pressures on page 10). Next, using
the column that corresponds to the pneumatic motor
size, find the row equal to or slightly greater than the
outlet pressure of the pump. The value is the Minimum
Pneumatic Pressure required to achieve the fluid outlet
pressure.
2. Install a pneumatic line filter (C) to keep debris from
affecting pump performance and to increase pump
life.
NOTE: Keep the needle valve (B) closed at this point to
keep the pump from operating without fluid, which mini-
mizes seal wear.
3. Attach a pneumatic line to the 1/4 in. female NPT
port on the needle valve (B).
Route Exhaust to Remote
Location
Replace the muffler (18) with a pneumatic line to route
exhaust to a remote location.
NOTICE
Due to the operational design of the pneumatic valve,
a small amount of the exhaust is not recoverable, and
will vent to atmosphere. However, a 100% Exhaust
Capture Kit, B32651, is available.
3A6831A

Connect Chemical Outlet

1. Connect a fluid line from the pump outlet port (M) to
the injection point.
2. Install a fluid pressure relief valve (J) on the outlet
side of the pump.
NOTE: A pressure relief valve is available from Graco
and can be connected back to the tank or directly to the
inlet side of the pump. See Kits and Accessories on
page 35.
In the event of an injection line blockage, to reduce the
risk of skin injection and damage to the pump, ensure
the pressure relief valve is set at or below the maxi-
mum working pressure of the pump.
3. Set the pressure relief valve at or below the maxi-
mum working pressure of the pump.
Installation
9