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307-735 3
MOVING
P
ARTS HAZARD
Moving
parts can pinch or amputate
your fingers or other body
parts.
KEEP CLEAR of moving
parts when starting or operating
the sprayer
. Follow the
Pressure
Relief Procedure
on page 2
before
checking or servicing any part
of the sprayer
, to prevent
it
from starting accidentally
.
EQUIPMENT MISUSE HAZARD
General
Safety
Any misuse of the spray equipment or accessories, such as
overpressurizing, modifying parts, using incompatible chemi-
cals
and fluids, or using worn or damaged parts, can cause them
to
rupture
and result in fluid injection, splashing in the eyes or on
the
skin, or other serious bodily injury
, or fire, explosion or prop
-
erty
damage.
NEVER
alter or modify any part of this equipment; doing so could
cause
it to malfunction.
CHECK
all spray equipment regularly and repair or replace worn
or
damaged parts immediately
.
Always
wear protective
eyewear
, gloves, clothing and respirator
as
recommended by the fluid and solvent manufacturer
.
System
Pressure
This
sprayer can develop 2750
psi (190 bar)
MAXIMUM WORK
-
ING
PRESSURE.
Be sure all spray equipment and accessories
used
are rated to
withstand the this pressure. DO NOT exceed
the
maximum working pressure of any component or accessory
used
in the system.
Fluid and Solvent Compatibility
All
chemicals used in the sprayer must be chemically
compatible
with
the wetted parts shown in the
TECHNICAL DA
TA
on
page
31.
Consult your chemical supplier to ensure compatibility
.
Do
not use 1,1,1-trichloroethane, methylene chloride, other
ha
-
logenated hydrocarbon solvents or fluids containing such sol-
vents in this equipment, which contains aluminum and/or zinc
parts.
Such use could result in
a serious chemical reaction, with
the possibility of explosion, which could cause death, serious
bodily
injury and/or substantial property damage.
HOSE SAFETY
High pressure fluid in the hoses can be very dangerous. If the
hose develops a leak, split or rupture due to any kind of wear,
damage
or misuse, the high pressure spray emitted from it can
cause
a fluid injection injury or other serious bodily injury or prop
-
erty
damage.
ALL
FLUID HOSES MUST HA
VE STRAIN RELIEFS ON BOTH
ENDS!
The strain reliefs help protect the hose from kinks or bends
at
or close to the coupling which can result in hose rupture.
TIGHTEN all fluid connections securely before each use. High
pressure
fluid can dislodge a loose coupling or allow high pres
-
sure
spray to be emitted from the coupling.
NEVER
use
a damaged hose. Before each use, check the entire
hose for cuts, leaks, abrasion, bulging cover, or damage or
movement
of the hose couplings. If any of these conditions
exist,
replace
the hose immediately
. DO NOT try to recouple high pres
-
sure hose or mend it with tape or any other device. A repaired
hose
cannot contain the high pressure fluid.
HANDLE AND ROUTE HOSES CAREFULLY. Do not pull on
hoses to move equipment. Keep hoses clear of moving parts
and
hot surfaces of the pump and gas engine. Do not use fluids
or solvents which are not compatible with the inner tube and
cover of the hose. DO NOT expose Graco hoses to tempera-
tures
above 180
_
F (82
_
C) or below –40
_
F (–40
_ C).
Hose Grounding Continuity
Proper hose grounding continuity is essential to maintaining a
grounded
spray
system. Check the electrical resistance of your
fluid hoses at least once a week. If your hose does not have a
tag
on it which specifies the maximum
electrical resistance, con
-
tact the hose supplier or manufacturer for the maximum resis-
tance
limits. Use a resistance meter in the appropriate range for
your hose
to check the resistance. If the resistance exceeds the
recommended
limits, replace it immediately
. An ungrounded or
poorly grounded hose can make your system hazardous. Also
read
FIRE OR EXPLOSION HAZARD, below.
FIRE OR EXPLOSION HAZARD
Static
electricity is created by the flow of fluid through the pump
and hose. If every part of the spray equipment is not properly
grounded,
sparking may occur
, and the system may become
haz
-
ardous.
Sparking may also occur when plugging in or unplugging
a
power supply cord or using a gasoline engine. Sparks can ignite
fumes
from solvents and the
fluid being sprayed, dust particles
and
other
flammable substances, whether you are spraying in
-
doors
or outdoors, and can cause a fire or explosion and serious
bodily injury and property damage. Always plug the sprayer into
an
outlet at least 20 feet
(6 m) away from the sprayer and the spray
area.
Do not plug in or unplug any power supply cords in the spray
area
when there is any chance of igniting fumes still in the air
.
If
you experience any static sparking or even a slight shock while
using
this equipment,
STOP
SPRA
YING IMMEDIA
TELY
. Check
the entire system for proper grounding. Do not use the system
again
until the problem has been identified and corrected.
Grounding
To
reduce the risk of
static sparking, ground the sprayer and all
other spray equipment used or located in the spray area.
CHECK
your local electrical code for detailed grounding instruc
-
tions
for your area and type of equipment. BE SURE to ground
all
of this spray equipment:
1.
Sprayer:
plug the power supply cord, or extension cord – each
equipped
with an undamaged, three–prong plug,
into a prop
-
erly grounded outlet. Do not use an adapter. All extension
cords
must have three wires and be rated for 15 Amps.
2.
Fluid
hoses:
use only grounded hoses with a maximum
o
f 500
ft (150 m) combined hose length to ensure grounding continu
-
ity.
See
Hose Grounding Continuity
on page 3.
3.
Spray
gun:
obtain grounding through connection
to a properly
grounded
fluid hose and sprayer
.
4.
Object being sprayed:
according to local code.
5.
Fluid supply container:
according to local code.
6.
All
solvent pails used when flushing,
according to local code.
Use
only metal pails,
which are conductive. Do not place the
pail on a non–conductive surface, such as paper or card-
board,
which interrupts the grounding continuity
.
7.
To maintain grounding continuity when flushing or relieving
pressure
,
always hold a metal part
of the gun firmly to the side
of
a grounded metal pail, then trigger the gun.
Flushing
Safety
Reduce
the risk of fluid injection injury
, static sparking, or splash
-
ing
by following the flushing procedure given on page 12 of this
manual. Follow the PRESSURE RELIEF PROCEDURE on
page
2, and remove the spray tip before flushing. Hold a metal
part
of the gun firmly to
the side of a grounded metal pail and use
the
lowest possible fluid pressure during flushing.
IMPORTANT
United
States Government safety standards have been adopted
under the Occupational Safety and Health Act.
These
standards
– particularly the General Standards, Part 1910, and the Con-
struction
Standards, Part 1926 – should be consulted.