Circulation Through Gun Manifold - Graco Reactor H-40 Operation

Fluid Circulation
9. Turn on heat zone by pressing
10. Set PRESSURE RELIEF/SPRAY valves
(SA, SB) to SPRAY
SA
Circulation Through Gun
Manifold
Do not circulate fluid containing a blowing
agent without consulting with your material
supplier regarding fluid temperature limits.
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.
P
CK
2. Route circulation lines back to respective
component A or B supply drum. Use hoses
.
.
SB
ti9877a
R
ti2767a
rated at the maximum working pressure of
this equipment. See Typical Installation,
without circulation, page 13.
3. Follow Load fluid with feed pumps, page
27.
4. Turn main power ON
5. Set temperature targets, see page 28. Turn
A
B
on , , and
pressing .
6. Press to display actual temperatures.
7. Before starting motor, reduce hydraulic
pressure to the minimum required to circu-
A
late fluid until
reach targets.
8. Press motor
pumps. Circulate fluid at lowest possible
pressure until temperatures reach targets.
.
heat zones by
B
and temperatures
-
ti7732a
to start motor and
37