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To reducethe risk of serious bodily injury, fluid injec-
tion. splashing in the eyes or on the skin, or injury
from moving parts, always follow the Pressure Re-
llet Procedure Warning on page 2 before checking,
adjusting, cleaning and shutting down the sprayer.
Startup
Always use this procedure
to
help ensure the sprayer is
ready to operate and that you start it safely.
1. For a first time startup, flush the sprayer. See page
11.
2. Close the pressure drain valve.
3. Don't install the spray tip
until
the pump Is primed!
4. Put the suction tube into the
paint container.
5. Lower the pressure setting by turning the pressure
adjusting knob all the way counterclockwise.
6.
Disengage the gun safety latch.
r
C
A
U
T
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O
N
7
to avoid damaging the pump packings.
Do not run the sprayer dry for more than 30 seconds
~
7. Toprimethepump,holdametaipartofthegunfirmly
against into a metal waste container. See Fig 9-1.
switch to
ON,
and slowly increase the pressure set-
Squeeze the trigger and hold it open. turn the ON/OFF
ting until the sprayer starts. Keep the gun triggered un-
til all air is forced out of the system and the paint flows
the gun safety latch.
~
freely from the gun. Release the trigger and engage
8. Check all fluid connections for leaks. if any leaks
are found, relieve pressure before tightening the
connections.
9. Install the spray tip and tlp
guard. Engage the gun
safety latch. Install the spray tip. If you are using the
RAC IV tip guard, refer to manual 307-848 for installa-
tion instructions.
10. Adjust the pressure.
a. Turn the pressure adjusting knob clockwise just
until spray from the gun is completely atomized.
To avoid excessive overspray and fogging, and
to decrease tip wear and extend 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 largertiprather
than increasing the pressure.
c. Test the spray pattern. To adjust the direction of
'the spray pattern: engage the gun safety latch,
IOOSen the retaining nut, position the tip guard
horizontally for a horizontal pattern or vertically
for a vertical pattern and tighten the retaining nut.
METALTO METAL
CONTACT WHEN
FLUSHING
MAINTAIN FIRM
/
Fig 9-1
307-827
9
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