Graco A Series Instructions-Parts List Manual page 9

SETUP
1.
Connect Hose and Gun (Refer to Fig
1.)
e. Remove the plastic cap plug from the filter
outlet nipple and screw the 50 ft (15.2 m) main
fluid hose onto the nipple.
r
b. Connect the whip hose between the fluid hose
and the gun inlet connection.
c. Don't use thread sealant, and don't install the
spray tip yet1
WARNING
gun, be sure they are electrically grounded and
If you are supplying your own hoses and spray
rated for at leest 2750 psi 1195 bar) Working
kassura, and that the gun has a tip guard. This is
to reduce the risk of serious bodily injury caused
.pressurizing end rupturing the equipment.
by static sparking and fluid injection or over-
r
CAUTION
To avoid damaging the pressure control, which
may result in poor equipment performance and
component damage, follow these
1
precautions:
1. Always use nylon spray hose of at least
50 ft (15.2 m) long.
2. Never use a wire braid hose as
it
is too rigid
to ect es a pulsation dampener.
3. Never install any shutoff device between
the filter and the main hose. See Fig 2.
4. Always use the main filter outlet for one-
gun operation. Never plug this outlet.
2. Fill Packing NutlWet-Cup
(See
Fig 2.)
Throat Seal Liquid ITSL), supplied.
Fill the packing nutlwet-cup 1/3 full with Grato
3. Check Electrlcal Service
a.
Be sure the electrical service is 120 V,
60 HrAC, 15 Amp (minimum) and that the
outlet you use is properly grounded.
b.
Use
an extension cord which has
3
wires'of e
minimum 12 gauge size, and a maximum
of
sprayer performance.
150 ft
(45
m i long. Longer lengths may affect
a.
b.
C.
4. Plug In
the Sprayer
Be sure the ON/OFF switch is OFF. Refer to
Fig
3.
Plug the power supply cord into a grounded
electrical outlet that is at least
20
ft
I 6 m) away
from the spray area
to
reduce the chance of e
spark igniting the spray vapors.
Do not remove the third prong of the power
supply cord plug, which is the grounding
prong, and do not use an adapter.
5. Flush the pump to remove the lightweight
oil
which wes
left
in to protect pump parts after fac-
tory testing.
a. Before using water-base paint, flush with
mineral spirits followed by soapy water, and
then a clean water flush.
b. Before using oil-base paint, flush with mineral
spirits only.
Fig
3
c. Sea FLUSHING GUIDELINES on page 12for
6. Prepare the paint according to the manufacturer's
recommendations.
a.
Remove any skin that may have formed.
b.
Stir the paint to dissolve pigments.
c. Strain the paint through a fine nylon mesh bag
(available a t most paint dealers) to remove per-
ticles that could clog the filter or spray tip. This
is probably the most important step toward
trouble-free spray painting.
flushing procedure.