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OPERATION
WARNING
Pressure Relief Procedure
To reduce the risk of serious bodily injury, in
-
cluding fluid injection, injury from splashing fluid
or solvent in the eyes or on the skin, moving parts
whenever you shut
off
the sprayer, when check-
or electric shock, always follow this procedure
when installing, cleaning or changing spray tips,
ing or servicing any part of the spray system,
and whenever you stop spraying.
1.
Engage the gun safety latch.
2.
Turn the ON/OFF switch to OFF.
3.
Unplug the power supply cord.
4.
Disengage the gun safety latch.
5.
Hold
a
metal part of the gun firmly to the
side of
a
grounded metal pail, and trigger
the gun to relieve pressure.
6.
Engage the gun safety latch.
7.
Open the filter drain valve, having
a
con-
8.
Leave the drain valve open until you are
tainer ready to catch the drainage.
ready to operate the sprayer again.
a.
Close the filter drain valve.
Prime the Sprayer
with
Paint.
b. Don't install the spray tip
yet1
c. Put the suction tube into the paint container.
d. Turn the pressure adjusting knob all the way
counterclockwise to the lowest pressure set
-
ting.
e.
Disengage the gun safety latch.
f. Hold
a
metal part of the gun firmly against and
aimed into
a
metal waste container.. See Fig
4.
ON/OFF switch to ON, and slowly increase the
Squeeze the trigger and hold
it
open, turn the
the gun triggered until
all
air is forced out of the
pressure setting until the sprayer starts. Keep
system and the paint flows freely from the gun.
Release the trigger and engage the safety.
NOTE: If the pump
is
hard to prime, place
a
con-
tainer under the drain valve and open the
drain valve. When fluid comes from the
valve, close
it.
Then disengage the gun
safety and proceed
as
in Step If, above.
4.
Check
all
fluid connections for leaks. If any are
found, follow the Pressure Relief Procedure
Warning, above, before tightening connec
-
tions.
2.
Install the Spray Tip and
Tip
Guard
a.
Be
sure the gun safety latch
is
engaged.
b. Install the spray tip. If using the RAC
IV,
refer
to manual
307-848,
supplied with the gun, for
installation instructions.
Fig
4
3.
Adjusting the Spray Pattern
a.
Increase the pressure adjusting knob setting
just until spray from the gun
is
completely
fogging, and to decrease tip wear and extend
atomized.
To
avoid excessive overspray and
the life of the sprayer, always use the lowest
possible pressure needed to get the desired
results.
b. If more coverage is needed, use
a
larger tip
rather than increasing the pressure.
c. Test the spray pattern.
To
adjust the direction
of the spray pattern, engage the gun safety and
loosen the retaining nut. Position the tip guard
for
a
vertical pattern. Then tighten the retaining
horizontally for
a
horizontal pattern or vertically
nut.
6
307-671