Spraying - Graco REACTOR H-VR Operation

Spraying

Spraying
1. Engage gun piston safety lock.
2. Close gun fluid manifold valves A and B.
3. Attach gun fluid manifold. Connect gun air line.
Open air line valve.
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4. Set PRESSURE RELIEF/SPRAY valves (SA, SB) to
SPRAY
SA
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5. Check that heat zones are on and temperatures are
on target, page 25.
6. Press motor
7. Check fluid pressure display while the gun is detrig-
gered and adjust as necessary, page 26.
8. Check fluid pressure gauges (GA, GB) to ensure
proper pressure balance. If imbalanced, reduce
pressure of higher component by slightly turning
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PRESSURE RELIEF/SPRAY valve for that compo-
nent toward PRESSURE RELIEF/CIRCULATION
, until gauges show balanced pressures.
GA
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.
to start motor and pumps.
GB
In this example, B side
pressure is higher, so
use the B side valve to
balance pressures.
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SB
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