Graco Gusmer Reactor H-25 Operation page 27

7.
Check fluid pressure display and adjust as nec-
essary, page 24.
8.
Check fluid pressure gauges (GA, GB) to ensure
proper pressure balance. If imbalanced, reduce
pressure of higher component by slightly turn-
ing PRESSURE RELIEF/SPRAY valve for that
component toward PRESSURE RELIEF, until
gauges show balanced pressures.
GA GB
9.
Open gun fluid manifold valves A and B.
On impingement guns, never open fluid manifold
valves or trigger gun if pressures are imbalanced.
311299C
In this example, B side
pressure is higher, so
use the B side valve to
balance pressures.
ti7741a
ti2414a
10.
Disengage gun piston safety lock.
11.
Test spray onto cardboard. Adjust pressure and
temperature to get desired results.
12.
Equipment is ready to spray.
If you stop spraying for a period of time, the unit will
enter standby (if enabled). See page 28.
Spraying
ti2410a
27