Circulation Through Gun Manifold - Graco Reactor A-20 Operation

Fluid Circulation
Circulation Through Gun
Manifold
Read Warnings; see page 4. Do not circulate fluid
containing a blowing agent without consulting with
your material supplier regarding fluid temperature
limits.
Circulating fluid through the gun manifold allows rapid
preheating of hose.
1. Install gun fluid manifold (FM) on Part 246362
accessory circulation kit (CK).
FM
CK
32
N
ti2767a
2. Connect high pressure circulation lines (N) to
circulation manifold (CK). Route circulation lines
back to respective component A or B supply drum.
Use hoses rated at the maximum working pressure
of this equipment.
3. Follow Load Fluid with Feed Pumps procedure; see
page 21.
4. Turn Main Power Disconnect Switch (R) ON.
5. Open air inlet ball valve.
6. Set temperature targets; see page 22. Turn on
heater.
Do not turn on hose heat unless hoses are already
loaded with fluid.
7. Set both Air Regulator pressures to start at 15 psi
(1.0 bar).
8. Turn PARK/RUN switch to RUN.
9. Turn Pump Mode Function switch to START.
10. Recirculate until desired temperature reaches set
point.
11. Turn Pump Mode Function switch to OFF.
12. Close gun fluid manifold valves.
13. Reconnect gun to fluid manifold and air hose.
For additional recirculation information, refer to
manual 309818.
311511G