Graco H50 Paint Sprayer User Manual


 
Spraying
312062W 35
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.
4. Set PRESSURE RELIEF/SPRAY valves
(SA, SB) to SPRAY .
5. Check that heat zones are on and tempera-
tures are on target, page 31.
6. Press motor to start motor and
pumps.
7. Check fluid pressure display and adjust as
necessary.
8. Check fluid pressure gauges (GA, GB) to
ensure proper pressure balance. If imbal-
anced, reduce pressure of higher compo-
nent by slightly turning PRESSURE
RELIEF/SPRAY valve for that component
toward PRESSURE RELIEF/CIRCULA-
TION , until gauges show balanced
pressures.
ti2409a
ti2728a
ti2543a
ti9877a
SA
SB
In this example, B side
pressure is higher, so
use the B
side valve to
balance pressures.
ti9877a
GA
GB