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OPERATION-SERVICE
ditional safety warnings are given in the separate instruc-
Additional instructions on operation and service and ad-
tion manuals supplied with each of the separate com-
ponents
of
this sprayer. Extra copies of these manuals
are available at no charge from Graco.
Manual'
Component
307-013
45:l King Pump
306-972
Air Regulator Kit
307-328
Runawav
Valva
307-648
35:l Senator Pump
307-296
Filter
,
307-046
Spray Gun
3 0 7 - 6 2 9
Cart
306-694
30:l Bulldog Pump
'Depends on model purchased.
WARNING
To reduce the risk of serious bodily injury, including
fluid injection, splashing
in
the eyes
or
onto the
skin, or injury from moving parts, alwayafollow the
you shut off the pump, when checking or servicing
Pressure Rellef Procedure on page
2
whenever
any part of the spray system, when installing,
cleaning or changing spray
tips, and whenever you
s t o ~ spravina.
Rush the'Pump Before Using
Pumps are tested with light weight oil which
is left
in to
flush the pump with
a
compatible solvent before using
it.
protect pump parts. To prevent contamination of fluid,
on page
2 ,
and be sure to remove the spray tip from the
Beforeflushing,followthe Presaure Relief Procedure,
gun,
if
used. Hold a metal part of the gun firmly to the
side of a grounded metal pail and
use the lowest possible
pressure during flushing.
Sprayer Startup
1. Engage the spray gun safety latch, but do not install a
spray tip yet.
(F) are closed.
2. Be
sure the filter drain valve (B) and the air regulator
3.
Place the suction tube in the fluid container.
4. Open the bleed-type master air valves (K).
5.
Release the spray gun safety latch and hold a metal
part of the gun firmly to the side of a grounded metal
waste container. Trigger the gun while slowly opening
the air regulator.
8. Allow the pump to run slowly until all air is purged
from the pump and hose and
a
steady stream of fluid is
flowing from the un. Then release the trigger and
engage the safetyyatch.
7.
Close
the air regulator, close the bleed-type master air
valve, disengage the
s a f e t y ,
and trigger the gun to
relieve pressure. The pump will not lose its prime.
8. Now install the spray tip. If you are using the RAC IV
DripLessTM Tip Guard, refer to manual 307-848for in-
stallation instructions.
NOTE: If the pump is hard to prime, follow steps 1 to 4,
place a waste container under the fluid drain
valvetube, open the drain valve, slowly open the
as fluid comes from the drain tube, close the
air regulator, and run the pump slowly.
As
soon
the hose.
drain valve quickly. Now trigger the gun
to prime
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