Purge Air Procedure - Graco Reactor 2 H-30 Operation

Spraying
Purge Air Air Procedure Procedure
Purge Purge Air Procedure
NOTE: NOTE: Perform this procedure any time air is NOTE:
introduced into the system.
1. Relieve pressure.
Pressure Relief Procedure, page
2. Install a recirculation kit or install bleed lines
between the outlet manifold recirculation fitting
and a waste container.
NOTICE
NOTICE NOTICE
To prevent equipment damage, do not circulate
fluid containing a blowing agent without
consulting with your material supplier regarding
fluid temperature limits.
3. Press the proportioner stop button
off the motor.
4. To relieve air pressure from the feed pumps,
disconnect the air supply lines (G) from the feed
pumps (K).
60
See
62.
to turn
5. Set the PRESSURE RELIEF/SPRAY valves
(SA, SB) to PRESSURE RELIEF/CIRCULATION
.
6. Adjust the pressure in the feed pump air supply
lines to 100 psi.
7. To pressurize the feed pumps, connect the air
supply lines (G) to the feed pumps (K).
8. Adjust the proportioner pressure compensator
knob to less than 500 psi (3.4 MPa, 34 Bar).
9. Press the proportioner start button
the motor. Run 1 gallon (3.8 L) of material
through the system.
10. Set the PRESSURE RELIEF/SPRAY valves (SA,
SB) to SPRAY
to start
.
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