This manual contains important
warnings and information.
READ AND RETAIN FOR REFERENCE
220 VAC, 50 HZ, 12 AMP
ARTS LIST
308–263
Rev
D
Supersedes C
and PCN D
Ultra 1500 Mark V T
210 bar (3000 psi) Maximum Working Pressure
Model
This
a 1 m hose, a Contractor gun, RAC IV
guard and a Size 621 DripLess SwitchT
Model
This
a 1 m hose, a Silver Plus gun, a Heavy Duty RAC
IV
Patents
236–401, Series A
model includes a basic sprayer
, a 15 m hose,
DripLess
ip
236–400, Series A
model includes a basic sprayer
tip guard and a Size 629 DripLess SwitchT
Pending
, a 15 m hose,
tip
ip
exture Sprayer
GRACO INC.P.O. BOX 1441
COPYRIGHT
MINNEAPOLIS, MN
1993, GRACO INC.
55440–1441
Table
PTFE
PTFE
PTFE
PTFE
PTFE
PTFE
Setup4.
Operation5
Flushing7
Troubleshooting9
Motor
Displacement
Motor
Pressure
Bearing
Connecting Rod Replacement
Drive
Parts
Parts
Technical
Dimensions24
Warranty24
English language DANGER label shown below is
also on your sprayer
read English, order one of the following labels in an
appropriate language. Apply the label to the sprayer
The drawing shows the best placement of the new la
bels for good visibility
Order the labels directly from your Graco distributor
Spray painting, flushing or cleaning equipment with flammable
in confined areas can result in fire or explosion.
liquids
Use
outdoors or in extremely well ventilated
hoses, containers and objects being sprayed.
ment,
Avoid all ignition sources such as static electricity from plastic
cloths, open flames such as pilot lights, hot objects such as
drop
cigarettes,
turning
Failure
arcs
light switches on and off.
to follow this warning can result in death or serious injury
. If you have painters who do not
.
FIRE
AND
EXPLOSION HAZARD
areas. Ground equip
from connecting or disconnecting power cords or
Labels
.
-
.
Language
French185–955
Spanish185–962
German186–042
Greek186–046
Korean186–050
Liquids
or
leaks – especially hose leaks.
-
Keep
body. Drain all pressure before removing parts.A void accidental
triggering
Never
In case of accidental skin injection, seek immediate
“Surgical
.
Failure
injury.
Apply
a label in
Part No.
can be injected into the body by high pressure airless spray
body clear of the nozzle. Never stop leaks with any part of
of gun by always setting
spray without a tip guard.
Treatment inch.
to follow this warning can result in
another language
at this location
SKIN INJECTION
HAZARD
the
safety latch when not spraying.
amputation or serious
READ AND UNDERSTAND ALL LABELS AND INSTRUCTION MANUALS BEFORE USE
High
Observe All W
WARNINGS
Pressure Spray Can Cause Serious Injury
arnings. Read and understand all instruction manuals before operating equipment.
. For Professional Use Only.
FLUID
General
This
the
your
including the need for amputation. Also, fluid injected or
splashed into the eyes or on the skin can cause serious damage.
NEVER
NEVER put hand or fingers over the spray tip. NEVER try to
“blow back inch paint; this is NOT an air spray system.
ALWAYS have the tip guard in place on the spray gun when
spraying.
ALWAYS
cleaning or removing the spray tip or servicing any system
equipment.
NEVER
Be
each
Medical
If any fluid appears to penetrate your skin, get EMERGENCY
MEDICAL CARE AT ONCE. DO NOT TREAT AS A SIMPLE
CUT.
Note
is
important to treat the injury surgically as soon as possible.
not delay treatment to research toxicity. T
with some exotic coatings injected directly into the blood
stream. Consultation with a plastic surgeon or reconstructive
hand
Spray
Be sure all gun safety devices are operating properly before
each
cause
Safety
equipment generates very high fluid pressure. Spray from
gun, leaks or ruptured components can inject fluid through
skin and into your body and cause extremely serious injury
point the spray gun at anyone or at any part of the body
follow the Pressure Relief Procedure
try to stop or deflect leaks with your hand or body
sure equipment safety devices are operating properly before
use.
Alert––Airless Spray W
T
ell the doctor exactly what fluid was injected.
to Physician: Injection in the skin is a traumatic injury. It
surgeon may be advisable
ounds
oxicity is a concern
.
Gun Safety Devices
use. Do not remove or modify any part of the gun; this can
a malfunction and result in serious injury
INJECTION HAZARD
, below
, before
.
Do
.
Safety Latch
Whenever you stop spraying, even for a moment, always set
the
,
gun trigger safety in
the
gun inoperative. Failure to set the safety latch can result
accidental
triggering of the gun.
the closed or “safe inch position, making
Diffuser
.
The gun diffuser breaks up spray and reduces the risk of fluid
injection
regularly
remove
gun
the gun. If the fluid emitted
stream,
when the tip is not installed. Check dif
. Follow the
the spray tip. Aim the gun into a metal pail, holding the
firmly to the pail. Using the lowest possible pressure, trigger
replace the dif
Pressure Relief Procedure
is not
fuser immediately
diffused into an irregular
.
Tip Guard
ALWAYS have the tip guard in place on the spray gun while
spraying. The tip guard alerts you to the fluid injection hazard
and
helps reduce, but does not prevent, the
placing
your
tip.
fingers or any part of your body close to the spray
risk of accidentally
Trigger Guard
Always
have the trigger guard in place on the gun when spray
ing to reduce the risk of accidentally triggering the gun if it is
dropped
Spray T
Use extreme caution when cleaning or changing spray tips. If
the
immediately. ALWAYS follow the Pressure Relief Procedure
and
NEVER
fully
or bumped.
ip Safety
spray tip clogs while spraying, engage the gun trigger
then remove the spray tip to clean it.
wipe of
relieved and the gun trigger safety is engaged.
f build–up around the spray tip until pressure
in
fuser operation
, below
, then
safety
is
-
Pressure
To
reduce the risk of serious injury, including fluid injection,
splashing
from
dure whenever you shut off the sprayer, when checking or
servicing any part of the spray system, when installing,
cleaning or changing spray tips, and whenever you stop
spraying.
1. Lock
2. T
3.
Relief Procedure
fluid or solvent in the eyes or on the skin, or injury
moving parts or electric shock, always follow this proce
the gun trigger safety
urn of
f the ON/OFF switch.
Unplug the power supply cord.
.
1
4. Unlock
-
5.
6. Open
If you suspect that the spray tip or hose is completely
clogged,
low these additional precautions,
the
to
relieve the pressure gradually. Now loosen the part com
pletely.
2
3
the gun
firmly
to the
gun
to relieve the pressure.
Lock the gun trigger safety
the pressure drain valve, having a container ready
to
catch the drainage. Leave the valve open until you are
ready
to spray again.
or that the pressure has not been fully relieved,
retaining nut on the tip guard or loosen a hose coupling
Clear the tip or hose obstruction.
trigger safety
side of a grounded metal pail, and trigger the
. Hold a metal part of the gun
.
VER Y SLOWLY loosen
4
5
fol
-
-
EQUIPMENT MISUSE HAZARD
System
This sprayer can develop
Working
sories used are rated to withstand this pressure. DO NOT exceed
cessory
General
Any misuse of the spray equipment or accessories, such as
overpressurizing, modifying parts, using incompatible chemicals and fluids, or using worn or damaged parts, can cause
them
or
erty
NEVER alter or modify any part of this equipment; doing so
could
Pressure
Pressure
the maximum working pressure
used in the system.
. Be sure that all spray
210 bar (3000 psi ) Maximum
equipment and acces
of any component or ac
Safety
to rupture and result in fluid injection, splashing in the eyes
on the skin, or other serious injury, or fire, explosion or prop
damage.
cause it to malfunction.
HOSE SAFETY
High
pressure fluid in the hoses can
hose develops a leak, split or rupture due to any kind of wear,
damage
cause
damage.
All
spring guards help protect the hose from kinks or bends at or
close
TIGHTEN
pressure
sure
NEVER
tire
movement of the hose couplings. If
ist, replace the hose immediately
pressure hose or mend it with tape or any other device. A repaired
or misuse, the high pressure spray emitted from it
a fluid injection injury or other serious
fluid hoses must have spring guards on both ends!
to the coupling which can result in hose rupture.
all fluid connections securely before each use. High
fluid can dislodge a loose coupling or allow high pres
spray to be emitted from the coupling.
use a damaged hose. Before each use, check the en
hose for cuts,
hose cannot contain the high pressure fluid.
leaks, abrasion, bulging cover
be very dangerous. If the
can
injury or property
The
, or damage or
any of these conditions ex
. DO NOT try to recouple high
FIRE OR EXPLOSION HAZARD
Static
electricity
hose. If every part of the spray equipment is not properly
grounded, sparking may occur , and the system may become
hazardous. Sparking may also occur when plugging in or unplugging
can
ignite fumes from solvents and the fluid being sprayed, dust
particles and other flammable substances, whether you are
spraying
and
serious injury and property damage.
If you experience any static sparking or even a slight shock
while
using this equipment, STOP SPRA
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
other spray equipment used or located in the spray area.
CHECK
tions
all
1.
2.
your local electrical code for
for your area and type of equipment. BE SURE to ground
of this spray equipment:
Sprayer:
move the grounding prong of the plug, and do not use an
adapter.
Fluid hoses:
150
m (500 feet) combined
continuity.
is created by fluid flowing through the pump and
a power supply cord or using a
indoors or outdoors, and can cause a fire or explosion
plug into a properly grounded outlet. Do not re-
Extension cords must have three wires.
use only grounded hoses with a maximum of
See
Hose Grounding Continuity.
hose length to ensure grounding
gasoline engine. Sparks
YING IMMEDIA
detailed grounding instruc
TELY.
all
CHECK all spray equipment regularly and repair or replace
worn
or damaged parts immediately
-
-
wear protective eyewear
Always
tor
as recommended by the fluid and solvent manufacturer
.
, gloves, clothing and respira
Fluid and Solvent Compatibility
All
chemicals used in the sprayer must be chemically compatible
with
the wetted parts shown in
2.
Consult your chemical supplier to ensure compatibility
not use 1,1,1-trichloroethane, methylene chloride, other ha
Do
logenated hydrocarbon solvents or fluids containing such sol-
vents in this equipment, which contains aluminum and/or zinc
parts.
Such
the
possibility of explosion, which could cause death, serious in
jury
and/or substantial property damage.
Handle
equipment.
of
the pump and gas engine. Do not use fluids or solvents which
are
not compatible with
NOT
or
below –40 C (–40 F).
use could result in a serious chemical reaction, with
and route hoses carefully
Keep hoses clear of moving parts and hot
expose Graco hose to temperatures above
the
TECHNICAL DATA on page
. Do not pull on hoses to move
the inner tube and cover of the hose. DO
82 C (180
Hose Grounding Continuity
Proper
hose grounding continuity is essential to maintaining a
grounded
fluid
tag on it which specifies the maximum electrical resistance,
-
contact
sistance
-
for your hose to check the resistance. If the resistance exceeds
the recommended limits, replace it immediately. An ungrounded
ardous.
3.
4.
5.
6.
7.
Flushing
Reduce the risk of fluid injection injury, static sparking, or
splashing
of
this manual. Follow the
3, and remove the spray tip before flushing. Hold a metal part
of
-
the gun firmly to the side of
lowest
spray system. Check the electrical resistance of your
hoses at least once a week. If your hose does not have a
the hose supplier or manufacturer for the maximum re
limits. Use a resistance meter in the appropriate range
or poorly grounded hose can make
Also read
Spray
gun:
erly
grounded fluid hose and sprayer
Object being sprayed:
Fluid supply container:
FIRE OR EXPLOSION HAZARD.
obtain grounding through connection
according to local code.
according to local code.
All solvent pails used when flushing,
code. Use only metal pails, which are conductive. Do not
place
the pail on a non–conductive surface, such as
or
cardboard, which interrupts the grounding continuity
To
maintain grounding continuity when
pressure
side
, always hold a metal part of the gun firmly to the
of a grounded metal pail, then trigger the gun.
your system haz
.
according to local
flushing or relieving
Safety
by following the flushing procedure given on page 7
possible fluid pressure during flushing.
Pressure Relief Procedure
a grounded metal pail and use the
MOVING PARTS HAZARD
Moving
parts
parts.
the
sprayer
before checking
it
from starting accidentally
can pinch or amputate your fingers or other body
KEEP CLEAR of moving parts when starting or
. Follow the
Pressure Relief Procedure
or servicing any part of the sprayer
.
.
.
surfaces
F
to a prop
paper
.
on page
operating
on page
, to prevent
-
-
-
-
-
-
3
4308-263
Setup
WARNING
Proper
electrical–grounding is essential to reduce
the risk of a fire or an explosion. A fire or an explo
sion can cause a serious injury and property dam
age. For the detailed grounding–instructions, refer
to the warning section,
HAZARD,
on page 4.
FIRE OR EXPLOSION
WARNING
If you supply the hoses and the spray gun for the
sprayer
hoses are electrically conductive. Be sure the spray
gun has a tip guard. Be sure that each part is rated
for at least 210 bar (3000 psi) working pressure
These precautions reduce the risk of a serious
injury
ing, over–pressurizing or rupturing the hose or the
gun.
, follow these precautions. Be sure the
, including skin injection, due to static spark
-
-
.
-
3.
Be sure the electrical service is 220 V
an electrical outlet that is properly grounded. Have
a licensed electrician attach an appropriate plug to
the power supply cord. Do not remove the ground
ing prong of the power supply cord. Do not use an
ungrounded adapter
three wires which have a minimum 2.5
gauge) size. Long extension cords reduce the per
formance of the sprayer
4. T
urn of
f the power switch (A). Plug the power
supply cord into a grounded electrical outlet which
is located at least 6 m (20 feet) away from the
spray area.
5.
If you are spraying texture material, remove the
screen from the fluid filter
procedure on page 8.
6.
Flush the pump before using it. Refer to page 8.
. Extension cords must have
.
. Refer to the Flushing
, 50 Hz. Use
mm2 (12
-
-
CAUTION
A damaged pressure control can cause poor
sprayer performance and may damage other parts
of the sprayer
damaging the pressure control.
1.
Use a nylon spray hose (99) that is at least
15 m (50 feet) long.
2.
Never use a wire braid hose. It is too rigid to
absorb the pulsations of the fluid in the hose.
3.
Never install a shutoff device between the fluid
filter and the main hose. See Ref. B in Fig. 1.
1.
Connect the gun (101) and the 15 m (50 feet) hose
(99). Do not install the spray tip yet.
2.
Fill the wet–cup (216) with Graco Throat Seal Liq
uid, supplied, until it is 1/3 full.
. Follow these precautions to avoid
A
B
216
99
101
-
Fig. 1
308-2635
Operation
WARNING
T
o reduce the risk of a serious injury
the
Pressure Relief Procedure W
3 before checking, adjusting, cleaning, and shut
ting of
f the sprayer
.
Startup
Always use this procedure to help ensure that the
sprayer is ready to operate and that you start the
sprayer safely
1.
Flush the sprayer before you use it for the first
time. Refer to page 8.
2.
Close the pressure drain valve (55).
3.
Do not install the spray tip until the pump is primed
with fluid!
4.
Put the pump (39) into the supply pail
5. T
urn the pressure–adjusting knob (A) counter
clockwise to the lowest setting.
6.
Unlock the gun trigger safety
.
, always follow
arning
.
on page
.
Check all fluid connections for leaking. If you find
8.
any leaks, relieve the pressure before tightening
the connections.
-
9.
Lock the gun trigger safety
and the tip guard (96, 103). Follow the instructions
supplied with the tip guard.
10.
Adjust the pressure.
a. Slowly
b.
c.T
-
, turn the pressure–adjusting knob (B)
clockwise just until spray from the gun is com
pletely atomized. T
fogging, and to lengthen the life of the spray
tip and sprayer
needed for good atomization.
If more fluid coverage is needed, use a larger
spray tip rather than increasing the pressure.
est the spray pattern. Follow this procedure
to adjust the direction of the spray pattern.
Lock the gun trigger safety
ing nut on the tip guard. T
hozontal position for a horizontal pattern. T
the tip guard to a vertical position for a vertical
pattern. T
, use the lowest fluid pressure
ighten the retaining nut.
. Install the spray tip
o reduce the overspray and
. Loosen the retain
urn the tip guard to a
urn
-
-
WARNING
T
ake precautions to reduce the risk of static spark
ing and splashing when you prime or flush the
sprayer
metal part of the gun firmly to the side of grounded
metal pail. See Fig. 2.
Fig. 2
7.
. Be sure the spray tip is removed. Hold a
Prime the pump. Squeeze the gun trigger and hold
it open. T
the pressure–adjusting knob (B) clockwise only
until the sprayer starts. Keep the gun triggered
until the air is forced out of the system and the
fluid flows freely from the gun. Release the gun
trigger and lock the gun trigger safety
urn of
f the power switch (A). Slowly turn
.
-
B
A
55
39
96,
103
NOTE: To avoid damaging the pump packings, do not
operate the sprayer without fluid in it for more than 30
seconds.
Fig. 3
Operation
Cleaning a Clogged Tip
WARNING
Follow
these precautions to reduce the risk of a
serious injury when cleaning a clogged tip.
Do not hold a hand, a body
spray tip. Always point the gun toward the ground
or into a waste container when triggering the gun to
see if the spray tip is unclogged.
DO NOT try to “blow back inch fluid; this is NOT an
air spray sprayer
1.
Release the gun trigger
Lock the gun trigger safety (B).
2.
3.
Rotate the HD RAC IV handle 180. See Ref. A in
.
Fig. 4.
4.
Unlock the gun trigger safety (C).
5. T
rigger the gun into a waste container
Lock the gun trigger safety again. See Ref. A in
6.
Fig. 4.
, or a rag in front of the
.
.
Shutdown and Care
1. Keep
2.
3.
the wet–cup (216) 1/3 full with Graco Throat
Seal Liquid. The liquid helps prevent fluid from
building up on the piston rod. Fluid build–up
causes the packings to wear prematurely
relieve the pressure before checking, filling or
tightening the wet–cup. See Fig. 5. Remove the
plug from the wet-cup. T
ighten the wet cup, which
is also the packing nut, just enough to stop leak
age. If you over–tighten the wet–cup, the packings
may bind and wear out more quickly
. Use a screw
driver and a light hammer to adjust the wet-cup.
Clean the fluid filter (48) often and whenever the
sprayer is stored. See manual 307–273 for the
cleaning procedure.
After each 100 hours of operation, fill the cavity of
the connecting rod (D) with motor oil. First Relieve
the pressure and then remove the front cover
Fig. 5.
. Always
-
-
. See
7.
Rotate the tip handle to the original position.
8.
Unlock the gun trigger safety
If the tip is still clogged, lock the gun trigger safety
9.
shut of
f and unplug the sprayer
.
, and open the
pressure drain valve to Relieve the pressure.
Remove the spray tip and soak it in solvent. Do
not scrape or chip debris from the spray tip.
10.
Resume spraying.
The
1
2
3
tip handle (A) is shown in the spraying
position. Rotate the tip handle 180 in the
direction of the arrow for clearing a clog.
T
rigger safety shown in the locked position.
T
rigger safety shown in the unlocked position.
1
A
B
2
48
D
216
,
Fig. 5
4.
When you shut of
f the sprayer for a short time,
leave the pump in the fluid–supply container
02067A
, re-
lieve the pressure, and clean the spray tip.
Fig. 4
3
C
5.
Before you store the sprayer
, flush it thoroughly
.
Always use mineral spirits for the final flushing.
Relieve the pressure.
6. T
0137
o protect the hose, coil it and hang it on the cart
handle
when storing the sprayer
.
Flushing
1
Use this category when flushing a new sprayer and
when flushing the sprayer after it has been stored.
The system has
this fluid in it:
1
Oil-base solvent
or paint.
Oil-base solvent
or paint.
Water or waterbase paint.
Water or waterbase paint.
Use the following information to prepare the sprayer for storage.
The system has this
fluid in it:
Oil-base solvent or
paint.
W
ater or water-base
paint.
The next fluid to
be sprayed is:
Oil-base fluid in a
new color
W
ater-base paint.
W
ater-base fluid
in a new color
Oil-base paint.
Flush the sprayer in the order given.
First flush
Mineral spirits
W
arm, soapy
water
Flushing the sprayer in the order given.
First flush
Mineral spirits
Mineral spiritsWarm, soapy
W
arm, soapy
.
water
W
arm, soapy
water
Second flush
nonenone
Clean water
Second flush
nonenone
water
Clean water
Clean water
Third flush
Mineral spirits
Before you use the
Third Flush
Clean water
none
Mineral spirits
Before you store the
sprayer:
Relieve the pressure.
Relieve the pressure.
sprayer:
Prime the sprayer with
oil-base paint.
Prime the sprayer with
water-base paint.
Prime the sprayer with
water-base paint.
Prime the sprayer with
oil-base paint.
CAUTION
Never allow water to freeze in the pressure
control. A frozen pressure control prevents the
sprayer from being started and causes serious
damage to the pressure control. Pump out the
water with mineral spirits.
C
D
E
55
1.
Relieve the pressure.
2.
Remove the bowl (C) and the screen (D) from the
filter
. Leave the filter support (E) in place. Install
the bowl (C), only
3.
Close the pressure drain valve (55). See Fig. 8.
4.
Pour two liters of a compatible solvent into a
grounded metal pail. Put the pump in the pail.
A
5.
Remove the spray tip from the gun.
6. T
urn the pressure–adjusting knob (A) counter
clockwise to the lowest pressure setting.
. See Fig. 8.
-
Fig. 6
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