Graco FUSION 309550U - Manual (Page 15)

Pressure Relief Procedure
309550U 15
Pressure Relief Procedure
WARNING
Read warnings, page 7. Relieve pressure before
cleaning or repairing gun.
1.
Engage piston safety lock, page 10.
CAUTION
Air supply is required for gun actuation. Do not dis-
connect gun air supply until fluid pressure is relieved.
2.
Close fluid valves A and B. Leave air valve (W)
open.
3.
Disengage piston safety lock, page 10.
TI2409A
TI2421A
A
B
W
TI2410A
4.
Trigger gun onto cardboard or into waste container
to relieve pressure.
5.
Engage piston safety lock, page 10.
WARNING
Fluid in the hose and proportioner is still under pres-
sure. Follow the Pressure Relief Procedure in the pro-
portioner manual.
To relieve pressure in the hose after the gun is
removed, place the fluid manifold over containers, fac-
ing away from you. Very carefully open the fluid valves.
Under high pressure, fluid will spray sideways from the
fluid ports.
TI4722a
TI2409A
TI2484A