Graco H25 Paint Sprayer User Manual


 
Fluid Circulation
312062W 41
10.Set PRESSURE RELIEF/SPRAY valves
(SA, SB) to SPRAY .
Circulation Through Gun
Manifold
Circulating fluid through the gun manifold
allows rapid preheating of hose.
1. Install gun fluid manifold (P) on Part
246362 accessory circulation kit (CK). Con-
nect high pressure circulation lines (R) to
circulation manifold.
2. Route circulation lines back to respective
component A or B supply drum. Use hoses
rated at the maximum working pressure of
this equipment. See Typical Installation,
without circulation, page 15.
3. Follow Startup procedures, page 30.
4. Turn main power ON .
5. Set temperature targets, see page 31. Turn
on , , and heat zones by
pressing .
6. Press to display actual temperatures.
7. Before starting motor, reduce hydraulic
pressure to the minimum required to circu-
late fluid until and tempera-
tures reach targets.
8. Press motor to start motor and
pumps. Circulate fluid at lowest possible
pressure until temperatures reach targets.
Do not circulate fluid containing a blowing
agent without consulting with your material
supplier regarding fluid temperature limits.
ti9877a
SA
SB
R
CK
P
ti2767a
A
B
A
B
-
ti7732a