OPERATION
WARNING
Pressure Relief Procedure
fluid injection, splashing fluid or solvent in the eyes
To
reduce the risk of serious bodily injury, including
or on the skin, or injury from moving parts or electric
shock, always follow this procedure whenever you
shut off the sprayer, when checking or servicing
cleaning or changing spray tips, and whenever you
any part of the spray system, when installing,
stop spraying.
1.
Engage the gun safety latch.
2.
Turn the ONlOFF switch
to
OFF.
3. Disengage the gun safety latch.
Hold a metal
part of the gun firmly
to
the side of a grounded
sure.
metal pail, and trigger the gun
to
relieve pres
-
4. Engage the gun safety latch,
5.
Open the pressure drain valve, having a con
-
tainer ready
to
catch the drainage. Leave the
valve open until you are ready
to
spray again.
lf you suspect
that
the spray
tip
or
hose
is
com
-
pletely clogged,
or
that
pressure
has
not been fully
around the tip guard retaining nut or hose end cou-
relievedaffer following
the
steps above,
wrap a rag
pling and VERY SLOWLY loosen the part
to
re
-
lieve pressure gradually, then loosen completely.
Now clear the tip or hose.
*
Startup
Use this procedure each time
you
start the sDraver
to
start it safely.
help ensure the sprayer is ready
to
operate and that you
NOTE:
For the first time startup, be sure
to
flush the
sprayer first. See page
11
&
12
for
FLUSHING
GUIDELINES.
.'
1.
Close the pressure drain valve.
If you have not in
-
stalled a secondary hose, be sure the nipple is firmly
plugged with the cap.
See Fig
9
-
1.
2.
Don't install the spray tip yet!
3. Put the suction tube into
the
paint container.
4.
Lower the pressure setting
by turning the pressure
adjusting knob all the way counterclockwise. See
Fig
9
-
1.
5.
Disengage the gun safety latch.
See
Fig
9
-
3.
6.
To prime the pump,
hold a metal part of the gun
firmly against and aimed into a metal waste con
-
tainer.
See
Fig
9-2.
Squeeze the trigger and hold it
open, turn the
ON/OFF switch
to
ON, and slowly in
-
crease the pressure setting until the sprayer starts.
Keep the gun triggered until all air is forced
out
of the
system and the paint flows freely from the gun. Re
-
lease the trigger and engage the gun safety latch.
NOTE:
If the pump is hard
to
prime, place a container
When fluid comes from the valve, close it. Then
under the pressure drain valve and open it.
disengage the gun safety latch and proceed as in
Step
6,
above.
7. Check all fluid connections for leaks.
If
any are
found, follow the
Pressure Relief Procedure Warn
-
ing, to
the left, before tightening connections.
8.
Install the Spray Tip and Tip Guard.
Be sure the
gun safety latch is engaged. See
Fig
9-3.
install the
spray tip.
If
using the
RAC
IV tip guard, refer
to
man-
structions.
ual307-848, supplied with the gun, for installation in-
9.
Adjust the Spray Pattern
a. Increase the pressure adjusting knob setting just
until spray from the gun is completely atomized.
to
decrease tip wear and extend the life of the
To avoid excessive overspray and fogging, and
sure needed
to
get the desired results.
sprayer, always use the lowest possible pres
-
b. If more coverage is needed, use a larger tip
rather than increasing the pressure.
the spray pattern, engage the gun safety latch
c. Test the spray pattern. TO adjust the direction of
and loosen the retaining nut. Position the tip
tically for a vertical pattern. Then tighten the re
-
guard horizontally for a horizontal pattern or ver-
taining nut.
'(
i
i
i!
8
307
-
670
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