Graco Inc. 309523D Paint Sprayer User Manual


 
Pressure Relief Procedure
6 309523D
Pressure Relief Procedure
7.
If you suspect that pressure is not fully relieved
because:
Spray tip is clogged
SwitchTip:
Follow procedure on page 10.
Flat Tip:
Very slowly loosen tip guard retaining
nut and relieve pressure gradually then loosen
completely. Clear tip.
Hose is clogged
Slowly loosen hose end coupling and relieve
pressure gradually. Clean hose obstruction.
WARNING
Read warnings, page 3.
1.
Engage trigger lock.
2.
Shut off pump. Close bleed-type master air valve
(pneumatic pumps only).
3.
Disengage trigger lock.
4.
Hold a metal part of the gun firmly to a grounded
metal pail. Trigger gun to relieve pressure.
T12178A
5.
Engage trigger lock.
6.
Open fluid drain valve; have a container ready to
catch drainage. Leave drain valve open until you
start spraying again.