Graco 238588 Manual page 9

6. Drain fluid. To drain fluid, slowly open all fluid drain
valves, including fluid drain/purge valve (J), in
system into a waste pail. If there is a return tube,
open return line ball valve. Close valve after fluid is
drained.
7. If you suspect the spray tip or hose is clogged or
that pressure has not been fully relieved.
a. VERY SLOWLY loosen tip guard retaining nut
or hose end coupling to relieve pressure
gradually.
b. Loosen nut or coupling completely.
c. Clear hose or tip obstruction.
3A9126A
J
Pressure Relief Procedure
9