Operation; Product View And Parts Identification - Graco EM 390 Instructions And Parts List

FLUID FILTER
DO NOT INSTALL
A SHUT OFF
DEVICE HERE
PACKING NUT/WETCUP
Keep 1/3 full with TSL
MAIN FLUID HOSE
(minimum 50 ft./15.2 m)
Fig 9–1
Pressure Relief Procedure
To reduce the risk of serious bodily injury, including in-
jection; splashing in the eyes or on the skin; injury from
moving parts or electric shock, always follow this pro-
cedure whenever you shut off the sprayer, when
checking or servicing any part of the spray system,
when installing, cleaning or changing spray tips, and
whenever you stop spraying.
1. Engage the trigger safety latch.
2. Turn the ON/OFF switch to OFF.
3. Unplug the power supply cord.
4. Disengage the trigger safety latch. Hold a metal
part of the gun firmly to the side of a grounded metal
pail, and trigger the gun to relieve pressure.
SETUP
HOSE GUARD

OPERATION

WARNING
5. Engage the trigger safety latch.
6. Open the pressure drain valve, having a container
ready to catch the drainage. Leave the pressure
drain valve open until you are ready to operate the
sprayer again.
If you suspect that the spray tip or hose is completely
clogged, or that pressure has not been fully relieved af -
ter following the steps above, VER Y SLOWL Y loosen
the tip guard retaining nut or hose end coupling and re-
lieve pressure gradually. Then loosen the part com-
pletely. Clear the tip or hose obstruction.
WHIP HOSE
(3 ft./0.9 m)
0663