Operation; Pressure Relief Procedure; Trigger Lock - Graco MAGNUM 309225W Operation Manual

Operation

Operation

Pressure Relief Procedure

Follow Pressure Relief Procedure when you
stop spraying and before cleaning, checking,
servicing, or transporting equipment. Read
Injection Warning, page 3.
1. Turn power switch (B) OFF
and unplug power cord.
2. Turn Spray-Prime/Drain
valve (J) to PRIME to
relieve pressure.
3. Hold a metal part of the
gun firmly to a grounded metal pail. Trigger
the gun to relieve pressure.
4. Engage trigger lock.
See Trigger Lock,
page 8.
Pressure Control Knob Settings
High Pressure
Spray
To select function, align arrow on sprayer within range of function symbol on pressure con-
trol knob.
8
Leave Spray-Prime/Drain valve in the
PRIME position until you are ready to
spray again.
If you suspect the spray tip or hose is clogged
or that pressure has not been fully relieved
after following the steps above, VERY
SLOWLY loosen tip guard retaining nut or hose
end coupling to relieve pressure gradually,
then loosen completely. Clear hose or tip
obstruction. Read Unclogging Spray Tip, page
12.

Trigger Lock

Always engage the trigger lock when you stop
spraying to prevent the gun from being trig-
gered accidentally by hand or if dropped or
bumped.
Low Pressure Prime/ Rolling
Spray Clean
309225W