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Setup
General
Information
Pressure
Relief
Procedure
NOTE: Reference numbers and letters in parentheses
in the text refer to the callouts in the figures and the
parts drawing.
NOTE: Always use Genuine Graco Parts and Acces-
sories, available from your Graco distributor.
Grounding
FIRE AND EXPLOSION HAZARD
system as explained below. Also read
Before operating,the pump, ground the
the section FIRE
OR
EXPLOSION
HAZ-
ARD on page 6.
1
2.
3.
4.
5.
6.
7.
Sprayer: make sure the grounding chain
(106)
contacts the ground while the unit is moving. See
page 46. For stationary spraying, connect a
ground wire and clamp
(159)
to a true earth
ground.
maximum of
500
ft.
(150
m) combined hose
fluid hoses: use only grounded hoses with a
length to ensure grounding continuity.
Spray gun: obtain grounding through connection to
a properly grounded fluid hose and sprayer.
Object being sprayed: according to local code.
Fluidsupply container:follow your local code.
code. Use only metal pails, which are conductive,
Solventpails used when flushing: follow your local
pail on a nonconductive surface, such as paper or
placed on a grounded surface. Do not place the
cardboard, which interrupts the grounding continu-
i t y .
To maintain grounding wntinuify when flushing
or
gun firmly to the side of a grounded metal pail,
relieving pressure, hold
a
metal part of the spray
then trigger the gun.
INJECTION HAZARD
Fluid under high pressure can be in-
jected through the skin and cause seri-
ous injury. To reduce the risk of an injury
from injection, splashing fluid, or moving parts, fol-
I
low the Pressure Relief Procedure whenever you:
are instructed to relieve the pressure,
stop spraying,
check or service any of the system equipment,
or install or clean the spray tips.
1.
Engage the spray gun safety latch.
2. Turn the ON/OFF switch to OFF.
3. Fiip the pressure control switch to OFF.
4. Disengage the gun safety latch. Hold a metal part
of the gun firmly to the side of a grounded metal
pail, and trigger the gun to relieve pressure.
5.
Engage the gun safety latch.
6.
Hold the pressure relief tube firmly to the side of a
valve. Leave the valve open until you are ready to
grounded metal pail, and open the pressure relief
spray again.
system from starting unexpectedly.
7 .
Disconnect the spark plug cable to prevent the
clogged, or that pressure has not been
fully relieved
If you suspect that the spray tip or hose is complete/y
tip guard retaining nut or hose end coupling and relieve
after following the steps above, very s/ow/y loosen the
pressure gradually, then loosen completely. Now clear
the tip or hose.
Valve shown In
Valve shown
CLOSED position.
in OPEN position.
-
Fig. 2
308-082
7
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