Graco PT2500 Datasheet

APPLICATION EQUIPMENT FROM GRACO
INSTRUCTIONS-PARTS LIST 307–711
Rev K
Supersedes J
1/4 Gallon Per Minute, 120 VAC, 60 Hz
PT2500
ELECTRIC AIRLESS P AINT SPRA YER
3000 psi (210 bar) MAXIMUM WORKING PRESSURE
Model 218–796, Series D
Basic Sprayer without hose or gun.
Model 218–501, Series A
Complete Sprayer with hose and gun.
U.S. Patent No. 4,616,982
U.K. Patent No. 2,165,591
Other Foreign Patents Pending
Always Professional Results 
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
COPYRIGHT 1985, GRACO INC.
This manual contains IMPORTANT
INSTRUCTIONS and WARNINGS.
READ AND RETAIN FOR REFERENCE.

Liquids can be injected into the body by high pressure airless spray
or leaks – especially hose leaks.
Keep body clear of the nozzle. Never stop leaks with any part of the
body. Drain all pressure before removing parts.A void accidental trig -
gering
of gun by always setting safety latch when not spraying.
Never spray without a tip guard.
In case of accidental skin injection, seek immediate
“Surgical
T reatment”.
Failure to follow this warning can result in amputation or serious
injury.
FIRE AND
EXPLOSION HAZARD
SKIN INJECTION
HAZARD
READ AND UNDERSTAND ALL LABELS AND INSTRUCTION MANUALS BEFORE USE
Spray painting, flushing or cleaning equipment with flammable liq -
uids
in confined areas can result in fire or explosion.
Use outdoors or in extremely well ventilated areas. Ground equip -
ment,
hoses, containers and objects being sprayed.
Avoid all ignition sources such as static electricity from plastic drop
cloths, open flames such as pilot lights, hot objects such as ciga -
rettes,
arcs from connecting or disconnecting power cords or turn -
ing
light switches on and off.
Failure to follow this warning can result in death or serious injury .
NOTE: This is an example of the DANGER label on your sprayer .
This label is available in other languages, free of charge.
See page 23 to order .

307-711
WELCOME T O GRACO’S PAINTER’S TEAM
Before you use the PT2500Sprayer, please read this entire instruction manual.
It contains important information that will help you operate the sprayer safely and
efficiently, and will help you keep the sprayer in top operating condition.
TABLE OF CONTENTS
Terms 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PT2500 Sprayer Description 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warnings 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Avertissement (French W arnings) 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Advertencia (Spanish W arnings) 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setup 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Startup 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Application Methods 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repair Instructions 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts Drawings and Lists 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accessories 23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco Phone Numbers 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data Back Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warranty Back Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TERMS
Be sure you read and understand each of these terms be -
fore
reading the rest of the manual.
WARNING Alerts the user to avoid or correct condi-
tions
which could cause bodily injury .
CAUTION Alerts user to avoid or correct conditions
which
could damage or destroy the equipment.
PRESSURE RELIEF PROCEDURE A safety proce-
dure
for relieving fluid pressure in the system.
FLUID INJECTION INJURY A serious injury, which
may appear to be only a simple cut, caused by the high
pressure injection of fluid directly into the body .
NOTE Gives additional explanation of a procedure or
helpful
hints.
Hazard of Using Fluids Containing Halogenated Hydrocarbons
Never
use 1,1, 1–trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or fluids contain -
ing such solvents in this equipment. 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.
Consult your fluid suppliers to ensure that the fluids being used are compatible with aluminum and zinc parts.
WARNING
A
torque wrench is needed to properly check and tighten the valves and screws on this sprayer . Failure to torque
these parts at the specified intervals (see page 13) will result in leaking and serious damage to the sprayer .
CAUTION

3
307-711
PT2500 SPRAYER DESCRIPTION
PRESSURE CONTROL KNOB
OPEN
Counterclockwise
CLOSE
Clockwise
1/4 npsm(m) OUTLET
DIAPHRAGM
P
AINT PUMP
P AINT HOSE
REVERSE-A-CLEANTM IV
DripLessTM
TIP GUARD
AND SwitchT ipTM
SPRA Y TIP
BLACK MAX
TM
SPRAY GUN
STRAINER
MOTOR
HYDRAULIC PUMP
ON/OFF SWITCH
HYDRAULIC OIL FILL CAP
INCREASE Clockwise
DECREASE Counterclockwise
BYP
ASS V ALVE
0266
0267
0270
DRAIN TUBE
Motor
The
sprayer has a 1/2 HP , 120 V , 60HzAc, single phase,
1725 rpm motor . The motor is supplied with a three-wire
power supply cord and a three-prong plug. The sprayer
ON/OFF switch is located on the box on the side of the
motor. The motor’s function is to drive the hydraulic
pump.
The motor runs continuously when it is turned on
to keep the paint at the desired pressure.
Paint Pump
The paint pump is immersed directly into a 5 gallon paint
pail, so the pump is actually being pressure fed without
the
mess and trouble of pouring paint into a hopper .
Hydraulic Pump
The hydraulic pump is located inside the hydraulic reser -
voir.
The motor drives an eccentric bearing which pushes
the piston in and out of the hydraulic pump. The pump re -
ciprocates
the hydraulic fluid to operate the diaphragm.
Diaphragm
The diaphragm separates the hydraulic and paint por-
tions of the paint pump. Hydraulic oil causes the dia-
phragm to move up and down almost 30 times per sec-
ond,
no matter what pressure you are spraying at.
Pressure Control Knob
The paint pressure is regulated by turning the pressure
control knob clockwise to increase pressure and
counterclockwise
to decrease pressure.
Bypass V alve
The
bypass valve has two functions: (1) to assist in prim -
ing
the paint pump during initial startup, and (2) to provide
positive relief of paint pressure from the gun, hose and
sprayer.
Paint
Hose
One electrically conductive nylon paint hose is supplied
with sprayer Model 218–501. This 25 ft. (7 m) hose has
a 1/4 in. ID, 1/4 npsm(fbe) couplings and spring guards
on
both ends.
Spray Gun, Reverse-a-clean IV T ip Guard
And Spray T ip
The
spray gun supplied with Model 218–501 has a tough,
lightweight plastic body . The gun has a trigger safety le -
ver which prevents accidentally triggering the gun when
the lever is set in the safe position. (See WARNINGS,
page 4.)
The Reverse-A-Clean IV Tip Guard uses high pressure
fluid to unclog the spray tip without removing it from the
gun. (See page 12.) It includes a safety tip guard which
helps
reduce the risk of a fluid injection injury . A No. 315
spray tip for use with latex paint is also included.

4307-711
SAFETY W ARNINGS
HIGH PRESSURE SPRAY CAN CAUSE SERIOUS INJURY.
FOR PROFESSIONAL USE ONLY. OBSERVE ALL WARNINGS.
Read and understand all instruction manuals before operating the equipment.
FLUID INJECTION HAZARD
General Safety
This equipment generates very high fluid pressure. Spray from
the gun, leaks or ruptured components can inject fluid through
your
skin and into your body , and cause extremely serious bodily
injury, including the need for amputation. Also, fluid injected or
splashed
into the eyes or on the skin can cause serious damage.
NEVER point the spray gun at any one or at any part of the body .
NEVER
put your hand or fingers over the spray tip. NEVER try
to “blow back” paint; this is NOT an air spray system.
ALWAYS have the tip guard in place on the spray gun when
spraying.
ALWAYS follow the PRESSURE RELIEF PROCEDURE , below ,
before cleaning or removing the spray tip or servicing any sys -
tem equipment.
NEVER try to stop or deflect leaks with your hand or body .
Be sure equipment safety devices are operating properly before
each use.
Medical Alert––Airless Spray W ounds
If any fluid appears to penetrate your skin, get EMERGENCY
MEDICAL CARE AT ONCE. DO NOT TREAT AS A SIMPLE
CUT.
T ell the doctor exactly what fluid was injected.
Note to Physician : Injection in the skin is a traumatic injury . It
is important to treat the injury surgically as soon as possible.
Do not delay treatment to research toxicity. Toxicity is a
concern with some exotic coatings injected directly into the
blood
stream. Consultation with a plastic surgeon or reconstru -
ctive hand surgeon may be advisable .
Spray Gun Safety Devices
Be sure all gun safety devices are operating properly before
each
use. Do not remove or modify any part of the gun; this can
cause a malfunction and result in serious bodily injury .
Safety Lever
Whenever you stop spraying, even for a moment, always set the
gun safety lever in the closed or “safe” position, making the gun
inoperative. Failure to set the safety lever can result in accidental
triggering. See the illustration below .
SAFETY LEVER IN
“OFF SAFE” OR
SPRAYING
POSITION
SAFETY LEVER IN
“ON SAFE” OR
INOPERATIVE
POSITION
TRIGGER
V iew from front of gun
0268
Diffuser
The gun dif fuser breaks up spray and reduces the risk of fluid in -
jection when the tip is not installed. Check diffuser operation
regularly. Follow the Pressure Relief Procedure, below, then
remove
the spray tip. Aim the gun into a metal pail, holding the
gun firmly to the pail. Using the lowest possible pressure, trigger
the gun. If the fluid emitted is not dif fused into an irregular stream,
replace the dif fuser immediately .
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 risk of accidentally
placing your fingers or any part of your body close to the spray
tip.
Trigger Guard
Always have the trigger guard in place on the gun when spraying
to reduce the risk of accidentally triggering the gun if it is dropped
or bumped.
Spray T ip Safety
Use extreme caution when cleaning or changing spray tips. If the
spray tip clogs while spraying, engage the gun safety lever im -
mediately.
AL WA YS follow the Pressure Relief Procedure, be -
low,
and then remove the spray tip to clean it.
NEVER wipe of f build–up around the spray tip until the pressure
is fully relieves and the gun safety is engaged.
Pressure Relief Procedure
To reduce the risk of serious bodily injury , including fluid injection,
splashing fluid or solvent in the eyes or on the skin, or injury from
moving parts or electric shock, always follow this procedure
whenever you shut of f the sprayer , when checking or servicing
any part of the spray system, when installing, cleaning or chang -
ing
spray tips, and whenever you stop spraying.
1. Shut of f the sprayer and unplug it.
2. Hold a metal part of the gun firmly to the side of a grounded
metal pail, and trigger the gun into the paint pail to relieve
pressure.
3.
Engage the gun safety lever .
4. Turn
the bypass valve ONE turn counterclockwise to drain
paint back into the pail.
If you suspect that the spray tip or hose is completely clogged,
or that pressure has not been fully relieved after following the
steps above, very slowly loosen the part to relieve pressure
gradually,
then loosen completely . Now clear the tip or hose.
EQUIPMENT MISUSE HAZARD
General Safety
Misuse of the spray equipment or accessories, such as over
pressurizing, modifying parts, using incompatible chemicals and
fluids, or using worn or damaged parts, can cause them to rup -
ture and result in fluid injection, splashing in the eyes or the skin,
or other serious injury , or fire, explosion or property 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 3000 psi (210 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 are chemically compatible with
the wetted parts shown in the TECHNICAL DATA on the back
cover. Always read the chemical manufacturer ’ s literature before
using them in this sprayer .

5
307-711
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.
If you experience any static sparking or even a slight shock while
using this equipment, ST OP 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 proper -
ly grounded outlet. Do not use an adapater. All extensions
cords
must have three wires and be rated for 15 amps.
2. Fluid hoses: use only grounded hoses with a maximum  f 500
ft (150 m) combined hose length to ensure grounding continu -
ity.
See Hose Grounding Continuity below.
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 13 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 pos -
sible fluid pressure during flushing.
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, above.
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 Construction Standards, Part 1926 – should be consulted.

6307-711
AVERTISSEMENT
La pulvérisation à haute pression peut causer de blessures très graves.
Réservé exclusivement à l’usage professionnel. Observer toutes les consignes de sécurité.
Bien lire et bien comprendre tous les manuels d’instructions avant d’utiliser le matériel.
RISQUES D’INJECTION
Consignes générales de sécurité
Cet appareil produit un fluide à très haute pression. Le fluide pul -
vérisé par le pistolet ou le fluide sous pression provenant de fuites
ou de ruptures peut pénétrer sou la peau ou à l’intérieur du corps
et entraîner des blessures très graves, voir même une amputa -
tion. Même sans être sous pression, le fluide éclaboussant ou
entrant
dans les yeux peut aussi entraîner des blessures graves.
NE JAMAIS pointer le pistolet vers quelqu’un ou vers une partie
quelconque du corps. NE JAMAIS mettre le main ou les doigts
sur l’ajutage du pulvérisateur . NE JAMAIS essayer de “refouler”
la peinture. Cet appareil N’est PAS un compresseur
pneumatique.
TOUJOURS garder la protection de l’ajutage en place sure le
pistolet pendant la pulvérisation.
TOUJOURS observer la Marche à Suivre Pour Détendre la
Pression donnée plus loin, avant de nettoyer ou d’enlever l’aju -
tage du pulvérisateur, ou d’effectuer un travail quelconque sur
une
partie de l’appareil.
NE JAMAIS essayer d’arrêter ou de dévier le fuites avec la main
ou le corps.
Avant chaque utilisation, bien s’assurer que les dispositifs de sé -
curité fonctionnent correctement.
Soins médicaux
En cas de pénétration de fluide sous la peau: DEMANDER IM -
MEDIATEMENT DES SOINS MÉDICAUX D’URGENCE. Ne
pas
soigner cette blessure comme une simple coupure.
Avis au médecin: La pénétration des fluides sous la peau est
un traumatisme. Il est important de traiter chirurgicalement
cette blessure immédiatement. Ne pas retarder le traite-
ment pour effectuer des recherches sur la toxicité. Certains re -
vêtements exotiques sont dangereusement toxiques quand
ils
sont injectés directement dans le sang. Il est souhaitable de
consulter un chirurgien esthétiques ou un chirurgien spéciali -
sé
dans la reconstruction des mains.
Dispositifs de sécurité du pistolet
Avant chaque utilisation, bien s’assure que tous les dispositifs
de
sécurité du pistolet fonctionnent correctement. Ne pas enle -
ver ni modifier une partie quelconque du pistolet; ceci risquerait
d’entraîner un mauvais fonctionnement et des blessures gra-
ves.
Verrou de sécurité
VERROU DE SECURITE
SUR LA POSITION
“MARCHE” OU
FONCTIONNEMENT
VERROU DE
SECURITE SUR LA
POSITION “SAFE”
(SECURITE) OU
FERMEE
GACHETTE
V
ue de ll’avant du pistolet
0268
A chaque fois que l’on s’arrête de pulvériser, même s’il s’agit
d’un
court instant, toujours mettre le verrou de sécurité du pisto -
let
sur la position, “fermée” ou “sécurité” (“safe”), pour empêcher
le pistolet de fonctionner . Si le verrou de sécurité n’est pas mis,
le pistolet peut se déclencher accidentellement.
Verrou de sécurité sur la position “safe” (sécurité) ou fermée.
Verrou de sécurité sur la position “marche” ou fonctionnement.
Diffuseur
Le dif fuseur du pistolet sert à diviser le jet et à réduire les risques
d’injection accidentelle quand l’ajutage n’est pas en place. Véri -
fier
le fonctionnement du dif fuseur régulièrement. Pour cette vé -
rification, détendre la pression en observant la Marche à Suivre
Pour Détendre la Pression donnée plus loin enlever l’ajutage
du pulvérisateur . Pointer le pistolet dans un seau en métal, en le
maintenant fermement contre le seau. puis, en utilisant la pres -
sion la plus faible possible, appuyer sur la gâchette du pistolet.
Si le fluide projeté n’est pas dif fusé sous forme de jet irrégulier ,
remplacer
immédiatement le dif fuseur.
Protection de l’ajutage
TOUJOURS maintenir la protection de l’ajutage en place sur le
pistolet du pulvérisateur pendant la pulvérisation. La protection
de l’ajutage attire l’attention sur les risques d’injection let contri -
bue à réduire, mai n’évite pas le risque, que les doigts ou une
partie quelconque du corps ne passent accidentellement à
proximité
immédiate de l’ajutage du pulvérisateur .
Consignes de sécurité concernant l’ajutage du pulvérisa-
teur
Faire extrêmement attention à l’occasion du nettoyage ou due
remplacement des ajutages du pulvérisateur. Si l’ajutage se
bouche pendent la pulvérisation, mettre immédiatement le ver -
rou
de sécurité du pistolet. T OUJOURS bien observe la Marche
à
Suivre Pour Détendre la Pression puis enlever l’ajutage du
pulvérisateur pour le nettoyer .
NE JAMAIS essuyer ce qui s’est accumulé autour de l’ajutage
du pulvérisateur avant que la pression ne soit complètement
tombée
et que le verrou de sécurité du pistolet ne soit engagé.
March à suivre pour Détendre la Pression
Pour réduire les risques de blessures graves, y compris les bles -
sures
par projection de fluide ou celles causées par de éclabous -
sures
dans les yeux ou sur la peau, par des pièces en mouve -
ment, toujours bien observe cette marche à suivre chaque fois
que l’on arrête le pulvérisateur , à l’occasion de la vérification, du
ègale ou du nettoyage du système ou lors du changement des
ajutages.
1. Arrêter le pulv-’erisateur et débrancher la prise de courant.
2. En maintenant une partie métallique du pistoler fermement
appuyée
le côté d’un seau en métal relié à la terre, appuyer
sur la gachette du pistolet pour libérer la pression.
3. Engager le verrou de sécurité de la pistolet.
4. Tourner le robinet de dérivation d’UN tour dans la sens
contraire des aiguilles d’une montre pour vidanger la
peinture
dans le seau.
Si l’on soupconne que le tuyau ou l’ajutage est complètement bou -
ché
o u q u e l a p ressio n n ’ a p a s é t é c omplètemen t l ibéré e après
avoir procédé aux opérations ci–dessus, desserrer TRES
LENTEMENT l’écrou de retenue de la protection de l’ajutage ou
le raccord de bout de tuyau et libérer progressivement la pression,
puis t ermine r l e d esserage . O n p eu t m aîntenan t d ébroucher
l’ajutage ou le tuyau.
RISQUES EN CAS DE MAUV AISE UTILISA TION DU MATERIAL
Consignes générales de sécurité
toute utilisation anormale de l’appareil du pulvérisation ou des
accessoires comme, par exemple, la mise sous une pression
excessive, les modifications de pièces, l’utilisation de produits
chimiques et de matières incompatibles et l’utilisation de pièces
usées ou abîmées peut causer des dégâts à l’appareil ou des
ruptures de pièces et entraîner une injection de liquide ou d‘au -

7
307-711
tres blessures sérieuses, un incendie, une explosion ou d’autres
dégâts.
NE JAMAIS altére ou modifier une pièce de cet appareil; ceci ris -
querait
d’entraîner son mauvais fonctionnement.
VERIFIER régulièrement tout l’appareil de pulvérisation et ses
équipements
et réparer ou remplacer immédiatement les pièces
usées ou abîmées.
Toujours porter une protection pour les yeux, de gants, des vête -
ments
protecteur et un dispositif pour la respiration correspon -
dant
aux recommendations des fabricants de fluides et solvants.
Pression du système
Ce pulvérisateur peut produire une PRESSION MAXIMUM DE
TRAVAIL de 3000 lb/po.
2
(210 kg/cm
2
). S’assurer que tous les
éléments du pulvérisateur et ses accessoires sont conçus pour
résister à la pression maximum de travail de ce pulvérisateur . NE
PAS dépasser la pression maximum de travail d’aucun des élé -
ments ou accessoires utilisés avec cet appareil.
Compatibilité chimique des corps
BIEN S’ASSURER que tous les corps des solvants utilisés sont
chimiquement compatibles avec les parties mouillées indiquées
dans les “Données techniques”, à la page 24. T oujours lire soi -
gneusement les documents et brochures du fabricant des flui-
des et solvants utilisés avant de s’en servir dans ce pulvérisa-
teur.
MESURES DE SECURITE CONCERNANT LES TUY AUX FLEXIBLES
Le fluide à haute pression circulant dans les tuyaux peut être très
dangereux. En cas de fuite sur le tuyau, de fissure, déchirure ou
rupture à la suite de l’usure, de dégâts ou d’une mauvaise utilisa -
tion, les projections de fluide haute pression qui en proviennent
peuvent entraîner des blessures graves par pénétration sous la
peau ou par contact, ainsi que des dégâts matériels.
TOUS LES TUY AUX FLEXIBLES DOIVENT A VOIR DES RES -
SORTS SPIRALE DE PROTECTION AUX 2 BOUTS! Les spira -
les
de protection contribuent à éviter la formation de pliures, de
boucles ou de nœuds sur les tuyaux qui pourraient entraîner la
rupture du tuyau à l’endroit du raccord ou à son voisinage.
SERRER FERMEMENT tous les raccords avant chaque utilisa -
tion.
Le fluide sous pression peut faire sauter un raccord desser -
ré ou produire un jet à haute pression s’échappant par le rac-
cord.
NE JAMAIS utiliser un tuyau endommagé. Avant chaque
utilisation, vérifier entièrement chaque tuyau pour décler les
coupures, fuites, abrasions, boursouflures de l’enveloppe ou
toute autre détériorations, il faut remplacer le tuyau
immédiatement. NE PAS essayer de refaire le raccord d’un
tuyau haute pression ni de réparer le tuyau avec du ruban
adhésif
ou ou par tout autre moyen. Un tuyau réparé ne peut pas
résister au fluide sous pression.
MANIPULER LES TUY AUX A VEC PRECAUTION ET CHOISIR
SOIGNEUSEMENT LEUR CHEMIN. Ne pas déplacer le fluide
en tirant sur le tuyau. Ne pas utiliser de fluides ou de solvants
que ne sont pas compatibles avec l’enveloppe intérieur ou exté -
rieure
de tuyau. NE P AS exposer le tuyau à fluides des tempéra -
tures supérieures à 82C (180F) ou inférieures à –40C
(–40F).
Continuité de la mise à la terre des tuyaux
Une bonne continuité de la mise à la terre des tuyaux est essen -
tielle
pour maintenir la mise à la terre de l’ensemble de vaporisa -
tion.
Vérifiez la résistance électrique de vos tuyaux à fluides et
à air , au moines une fois par semaine. Si votre tuyau ne compor -
te pas d’étiquette qui précise la résistance électrique maximum,
prenez contact avec le fournisseur de tuyaux ou la fabricant pour
avoir les limites de résistance maximum. Utilisez un mètre de ré -
sistance
de la gamme appropriée pour votre tuyau et vérifiez la
résistance. Si celle–ci dépasse les limites recommandées, rem -
placez le tuyau immédiatement. Un tuyau sans mise à la terre ou
avec une mise à la terre incorrecte peut entraîner des risques
pour votre système. Lisez aussi LES RISQUES D’INCENDIE
OU D’EXPLOSION.
RISQUES D’INCENDIE OU D’EXPLOSION
De l’électricité statique est produite par le passage du fluide à
grande
vitesse dans la pompe et dans les tuyaux. Si toutes les
pièces de l’appareil de pulvérisation ne sont pas convenable-
ment reliées ou à la masse ou à la terre, des étincelles peuvent
se produire et l’appareil risques d’être dangereux. Des étincelles
peuvent Également se produire à l’occasion du branchement ou
du débranchement du cordon d’alimentation ou de l’utilisation
d’un moteur à essence. Les étincelles sont suf fisantes pour allu -
mer les vapeurs de solvants et le fluide pulvérisé, les fines parti -
cules
de poussière ainsi que d’autres substances inflammables,
quand on pulvérisé à l’intérieur ou à l’extérieur , et elles peuvent
causer un incendie ou une explosion, ainsi que des blessures
graves et des dégâts matériels. Toujour brancher le
pulvérisateur
dans un prise se trouvant à moins 6 m (20 pieds)
de l’appareil et d l’endroit où se fait la pulvérisation. Ne pas
brancher ou débrancher un cordon d’alimentation quel qu’il soit
dans la zone où se fait la pulvérisateur quand il y a le moindre
risque que des vapeurs encore présentes dan l’air prennent feu.
S’il se produit des étincelles d’électricité statique, ou si vous res -
sentez la moindre décharge, ARRETEZ IMMEDIA TEMENT LA
PULVERISATION. Vérifiez que le système avant que le problème
soit identifié et corrigé.
Mise à la terre ou à la masse
Pour réduire les risques de production d’étincelles d’électricité
statique, le pulvérisateur et tous les équipement utilisés ou se
trouvant
dans la zone de pulvérisation doivent être reliés à la ter -
re ou à la masse. Pour connaître le détail des instructions de
mise
à la terre dans la région et le type particulier d’équipement,
CONSULTER le code ou les réglementations électriques loca -
les. S’ASSURER que tous le équipements de pulvérisation sui -
vants
sont bien reliés à la terre:
1. Pulvérisateur: Brancher le cordon d’alimentation ou la
rallonge
quie doivent être équipés d’une prise 3 fiches en bon
état, dans une prise de courant convenablement mise à la
terre.
Ne pas utiliser d’adaptateur . T outes le rallonges doivent
avoir 3 files et être prévues pour 15 ampères.
2. Pistolet: Réaliser la mise à la terre en le raccordant à une
tuyau
flexible et à une pulvérisateur déjà convenablement re -
liés
à la terre.
3. Tuyaux flexibles: Afin d’assurer la continuité de la mise à la
terre,
n’utiliser que des tuyaux comportant une mise à la terre
et ayant une longueur maximum combinée de 150 m (1500
pieds). Se reporter également au paragraphe, “Continuité
du
circuit de mis à la terre des tuyaux”.
4. Récipient d’alimentation: observer le code ou les réglementa -
tions
locales.
5. Objets, matériel ou surfaces recevant la pulvérisation: obser -
ver
le code ou les réglementations locales.
6. Tous le seaux de solvant utilisés pour le rinçage: observer le
code ou les réglementations locales. N’utiliser que des seaux
métallique conducteurs de l’électricité. Ne pas mettre le seau
sur une surface non conductrice comme sur du papier ou du
carton car cela interromprait la continuité de la mise à la terre.
7. Pour conserver la continuité de la mise à la terre quand on rin -
cé le matériel ou quand on libère la pression, toujours mainte -
nir
une partie métallique du pistolet fermement appuyée con -
tre
le côté d’un seau en métal puis appuyer sur la détente du
pistolet.
Mesures de Sécurité concernant le Rinçage
Pour réduire les risques de blessures par pénétration de la peau
et les risques dûs aux étincelles d’électricité statique ou aux
éclaboussures,
observe la marche à suivre pour le rinçage don -
née à la page 13 de ce manuel. Observer la“March à Suivre
pour Détendre la Pression” donnée à la page 6 en
enlever
l’ajutage du pulvérisateur avant le rinçage. Maintenir une partie
métallique du pistolet fermement appuyée contre le côté d’un
seau
en métal relié á la terre et utiliser la pression la plus faible
possible pendent le rinçage.

8307-711
ADVERTENCIA
EL ROCIADO A AL T A PRESION PUEDE CAUSAR GRA VES LESIONES.
SOLO P ARA USO PROFESIONAL. RESPECTE LOS A VISOS DE ADVERTENCIA.
Lea y entienda todo el manual de instrucciones antes de manejar el equipo.
PELIGRO DE INYECCION DE FLUIDO
Seguridad general
Este equipo general un fluido a una presión muy alta. El rociado
de la pistola, los escapes de fluido o roturas de los componentes
pueden inyectar fluido en la piel y el cuerpo y causar lesiones
extremadamente graves, incluyendo a veces la necesidad de
amputación.
T ambién, el fluido inyectado o salpicado en los ojos
puede causar graves daños.
NUNCA
apuntar la pistola hacia alguien o alguna parte del cuer -
po. NUNCA colocar la mano o los dedos encima de la boquilla.
NUNCA tratar de “hacer retornar la pintura”; este NO es un siste -
ma
de rociado de aire.
SIEMPRE tener colocado el protector de la boquilla en la pistola
mientras se está pulverizando.
SIEMPRE seguir el procedimiento de descarga de presión,
dado más abajo, antes de limpiar o sacar la boquilla o de dar ser -
vicio
a cualquier del sistema.
NUNCA tratar de parar o desviar los escapes con la mano o el
cuerpo.
Asegurar
que todos los aparatos de seguridad del equipo están
funcionando bien antes de cada uso.
Tratamiento médico
Si pareciera que un poco de fluido penetró la piel, conseguir
TRATAMIENTO
MEDICO DE URGENCIA DE INMEDIA T O. NO
TRAT AR LA HERIDA COMO UN SIMPLE CORTE. Decir al mé -
dico
exactamente cua fluido fue.
Aviso al médico: Si se llega a inyectar este fluido en la piel se
causa una lesión traumática. Es importante tratar quirúrgi -
camente la lesión a la brevedad posible. No demorar el tra -
tamiento
para investigar la toxicidad. La toxicidad es algo de
sumar importancia en algunas pinturas exóticas cuando se in -
yectan
directamente al torrente sanguíneo. Sirá conveniente
consultar a un especialista en cirugía plástica o reconstructiva
de las manos.
Aparatos de seguridad de la pistola pulverizadora
Asegurar que todos los aparatos protectores de la pistola están
funcionando bien antes de cada uso. No sacar ni modificar nin -
guna pieza de la pistola pues podría causar el malfuncionamien -
to
de la misma con las consiguientes lesiones personales.
Pestillo de seguridad
Cada vez que se deje de pulverizar, aunque sea por un breve
momento, siempre colocar el pestillo de seguridad en la posi-
ción “cerrada”, lo que deja la pistola inoperante. El no hacerlo
puede
llevar al disparo imprevisto de la pistola. V er la ilustración
más abajo.
GATILLO
Visto
desde el frente de la pistola
PESTILLO DE
SEGURIDAD EN LA
POSICION “ABIERT A”
O ROCIANDO
PESTILLO DE
SEGURIDAD EN LA
POSICION
“CERRADA” O IN-
OPERANTE
0268
Difusor
El difusor de la pistola dispersa el chorro pulverizado y reduce
el riesgo de inyección cuando no está instalada la boquilla. Revi -
sar
con regularidad el funcionamiento del difusor . Seguir el pro-
cedimiento
de descarga de presión, dado más abajo, y des -
pués sacar la boquilla. Apuntar la pistola a un balde metálico,
sosteniéndola bien firme contra él. Utilizando la presión más ba -
jo
posible, disparar la pistola. Si el fluido emitido no sale disperso
en un chorro irregular , reemplazar de inmediato el difusor .
Protector de la boquilla
SIEMPRE tener el protector de la boquilla colocado en la pistola
mientras se está pulverizando. Este protector llama la atención
contra el peligro de inyección y ayuda a reducir, pero no evita,
la
colocación accidental de los dedos o cualquier otra parte del
cuerpo cerca de la boquilla.
Seguridad de la boquilla pulverizadora
Tener mucho cuidado al limpiar o cambiar las boquillas. Si llega -
ra a obstruirse mientras está pulverizando, enganchar el pestillo
de la pistola de inmediato. SIEMPRE seguir el procedimiento
de descarga de presión y después sacar la boquilla para
limpiarla
NUNCA
limpiar la acumulación de pintura alrededor de la boqui -
lla
antes de que se haya descargado por completo la presión y
el pestillo esté enganchado.
Procedimiento de descarga de presión
Para reducir el riesgo de sufrir graves lesiones corporales, inclu -
yendo la inyección de fluidos, salpicaduras en los ojos o la piel,
o lesiones causadas por piezas en movimiento, siempre seguir
este procedimiento al apagar la máquina pulverizadora, al revi -
sar, ajustar o limpiar el sistema, o al cambiar las boquillas, y cada
vez que se deja de pulverizar .
1. Apagar
la pulverizadora y desenchufarla.
2. Apoyar una parte metálica de la pistola firmemente contra un
balde de metal puesto a tierra, y disparar la pistola dentro del
balde para descargar la presión.
3. Enganchar el pestillo del gatillo de la pistola.
4. Darle UNA vuelta en sentido contra horario a la vávula de
paso
para vaciar la pintura de vuelta al balde.
Si se sospecha que la boquilla o la manguera esté completamente
obstruida, o que no se ha descargado por completo la presión des -
pués d e h abe r s eguid o e l p rocedimient o a nterior , a floja r MUY
LENTAMENTE
un adaptador de extremo de la manguera o la tuer -
ca
de renención del protector de lay punta y descargar gradual -
mente
la presión, después aflojarlo por completo. Leugo, despejar
la boquilla o la manguera.
PELIGRO POR MAL USO DEL EQUIPO
Seguridad general
Cualquier mal uso del equipo pulverizador o los accesorios, tal
como sobre presurización, modificación de piezas, uso de ma -
teriales
y productos químicos incompatibles, o utilización de pie -
zas dañadas o desgastadas, puede hacen que se rompan y
causen
la inyección de fluido u otras lesiones corporales graves,
incendio, explosión o daños a la propiedad.
Siempre usar gafas, guantes, vestimentas protectoras y un res -
piradero, tal como recomiendan los fabricantes del fluido y del
solvente.

9
307-711
Presión
del sistema
Esta pulverizadora puede desarrollar 3000 psi (210 barías) de
PRESION DE TRABAJO MAXIMA. Asegurar que todo el equipo
pulverizador y sus accesorios tienen la capacidad para aguan -
tar la presión máxima de trabajo de ningún componente o acce -
sorio
de este sistema.
Compatibilidad de fluido
ASEGURAR que todos los fluidos y colventes usados son
quimicamente compatibles con las piezas mojadas ilustradas
en la hoja DATOS TECNICOS. Siempre leer las instrucciones
del fabricante del fluido y solvente antes de usarlos en esta
pulverizadora.
PELIGRO DE INCENDIO O EXPLOSION
El flujo a alta velocidad del fluido al pasar por la bomba y mangue -
ra
crea electricidad estática. Si todas las partes del equipo pulve -
rizador
no tienen buena tierra, pueden ocurrir chispas, convirtién -
do al sistema en algo peligroso. También, pueden producirse
chispas al enchufar o desenchufar el cordón eléctrico o al usar
un motor de gasolina. Estas chispas pueden inflamar los vapores
de los solventes y el chorro de fluido pulverizado, partículas de
polvo y otras sustancias inflamables, sea al aire libre o bajo techo,
lo que podría causar una explosión o incendio y graves lesiones
corporales y daños a la propiedad. Enchufar simpre la
pulverizadora a un tomacorriente que se encuentre a por lo
menos 6 m (20 pies) de la máquina y del área que se va a rociar .
No
enchufar o desenchufar ningún cordón eléctrico en el lugar
donde se está rociando cuando todavia exista la posibilidad de
que quenden vapores inflamables en el aires.
Si ocurre una chispa de electricidad estática o incluso un ligero
choque eléctrico mientras se usa el equipo, DEJAR DE PUL VE-
RIZAR DE INMEDIA T O. Revisar todo el sistema en busca de una
tierra apropiado. No usar de nuevo el sistema hasta haber identifi -
cado
y solucionado el problema.
Puesta a tierra
Para reducir el riesgo de chispas estáticas, conectar a tierra la
pulverizadora y todo el otro equipo de pulverizar que se use o
se
encuentre en el lugar que se va a rociar . CONSUL T AR el códi -
go
eléctrico de la localidad para las instrucciones sobre las co -
nexiones a tierra exigidas para la zona y tipo de equipo. ASEGU -
RAR de conectar a tierra todo este equipo pulverizador:
1. Pulverizadora: enchufar el cordón eléctrico, o cable extensor ,
cada
uno con un enchuf de tres patas en buen estado, a un
tomacorriente con puesta a tierra aporpiado. No usar un
adaptador.
T otos los cables extensores tienen que tener tres
hilos y una capacidad de 15 amperios.
2. Mangueras para fluidos: usar solamente mangueras con
puesta a tierra de una longitud combinada de 150 m (500
pies), para asegurar buena continuidad a tierra. Referirse
también
al párrafo sobre continuidad a tierra de la mangue -
ra.
3.
Pistola: hacer la puesta a tierra conectándola a una mangue -
ra
de fluido y pulverizadora bien conectadas a tierra.
4. Suministrar un recipiente: de acuerdo al código local. Usar
solamente baldes de metal, que sean conductivos. No colo -
car el balde en una superficie no conductiva, como papel o
cartón,
que interrumpe la continuidad a tierra.
5. Objeto que se está rociando: de conformidad con el código
local.
6.
Todos los baldes de solvente usados durante el lavado, de
conformidad
con el código local.
7. Para mantener la continuidad a tierra durante el lavado o des -
carga de presión,
siempre apoyar una parte metálica de la
pistola bien firme contra el costado de
balde de metal , des-
pués
apretar el gatillo.
Seguridad durante el lavado
Para reducir el riesgo de que se inyecte o salpique fluido en la
piel, o que ocurra una descarga de electricidad estática, siempre
seguir las INSTRUCCIONES PARA EL LAVADO, dadas en la
página
13. Seguir el procedimiento de descarga de presión
en la página 8, y quitar la boquilla de metal y usar le presión más
baja posible de fluido durante el lavado.
SEGURIDAD EN EL USO DE LAS MANGUERAS
El fluido que escapa a alta presión por las mangueras puede ser
muy peligroso. Si en la manguera se desarrola un escape, una
rotura o rajadura debido a cualquier tipo de desgaste, daño o
maltrato, el chorro a alta presión emitido por allí puede causar
una lesión por inyección u otras lesiones corporales graves o
daños
a la propiedad.
¡TODAS LAS MANGUERAS PARA FLUIDOS TIENEN QUE
TENER GUARDAS DE RESORTE EN AMBOS EXTREMOS!
Estas
protegen las mangueras contra dobleces o retorceduras
en los acoplamientos o cerca de ellos, los que podrían traducir -
se en roturas de la manguera.
Antes de usarlas, APRET AR bien firmes todas las conexiones.
El fluido a lata presión puede desalojar un acoplamiento suelto
o dejar que pro él escape un chorro a alta presión.
NUNCA usar una manguera que está dañada. Siempre revisarla
en busca de cortaduras, escapes, abrasión, cubierta abultada, o
acoplamientos sueltos o dañados. Si llegara a encontrarse cual -
quiera
de estas condiciones, reemplazar de inmediato la mangue -
ra. NO intentar reacoplar una manguera de alta presión o enmen -
darla
con cinta adhesiva u otro material similar . Una manguera que
ha sido remendada no aguante el fluido al alta presión.
MANEJAR Y PASAR CUIDADOSAMENTE LAS MANGUE-
RAS.
No tirar de las mangueras para mover el equipo. No usar
fluidos o solventes que sean incompatibles con el tubo interno
y la cubierta de la manguera. NO exponer las mangueras a tem -
peraturas sobre 82 ) C (180 _ F) o bajo -40 _C (-40_ F).
Continuidad del circuito de puesta a tierra
de la manguera
La continuidad del circuito de puesta a tierra apropiado es esen -
cial para mantener conectado a tierra el sistema pulverizador.
Es
indispensable revisar la resistencia eléctrica máxima de las
mangueras de aire y de fluido por lo menos una vez a la semana.
Si la manguera no tiene una etiqueta en la cual se especifica la
resistencia eléctrica máximum, ponerse en contacto con el pro -
veedor o fabricante de la manguera para la información sobre
los
límites de resistencia. Usar un metro de resistencia en la ga -
ma
apropiada para comprobar la resistencia; si excede los lites
recomendados, reemplazarla de inmediato. Es muy arriesgado
tener una manguera sin puesta a tierra o con la puesta a tierra
en malas condiciones. Leer también la información sobre RIES-
GO DE INCENDIO O EXPLOSION
, más arriba.

10 307-711
SETUP
1. Prepare the paint according to the manufactur-
er’s
recommendations.
This is probably the most important step
toward trouble-free spraying!
Remove any skin that may have formed on the top
of
the paint. If necessary , thin the paint. Finally , strain
the paint through a fine nylon mesh bag (available at
most paint dealers) to remove particles that could
clog
the spray tip.
2. Install a spray tip and RAC IV tip guard on the
spray
gun as instructed in manual 307–848.
3. Connect the hose and gun. Connect the other end
of the hose to the sprayer .
4. Check
the hydraulic oil level. Unscrew the fill cap.
The oil should be 1 in. (25 mm) from the top of the
plate.
If it is not, fill as necessary with lightweight hy -
draulic oil; use only Graco Hydraulic Oil, Part No.
218–797.
Install the fill cap. See Fig 1.
5. Check the electrical service. It must be 120V, 60
HzAc,
15 Amp (minimum). Be sure the electrical out -
let
is properly grounded.
You can use up to 100 ft. (30 m) of 3 wire, 14 gauge
(minimum) extension cord. Longer extension cords
may
af fect the sprayer performance. Use more spray
hose, not longer extension cords.
Do not remove the third (grounding) prong of the
plug,
and do not use an adapter .
6. Plug in the sprayer. First be sure the ON/OFF
switch
is OFF and the pressure control is turned fully
counterclockwise. Plug the sprayer into a
grounded
outlet that is at least 20 ft. (6 m) away from
the spray area to reduce the chance of a spark ignit -
ing
spray vapors or dust particles.
Fig 1
Fig 2
ON/OFF SWITCH
INCREASE
Clockwise
DECREASE
Counterclockwise
25 MM
(1”)
0269
0270
FILL CAP
PRESSURE
CONTROL

11
307-711
STARTUP
CAUTION
The wallet sized warning card provided with the gun
should be kept with the operator at all times. The
card
contains important information on reducing the
risk of a fluid injection injury , and treatment informa -
tion should an injection injury occur. Additional co-
pies
of this card are available at no cost.
Pressure Relief Procedure
To reduce the risk of serious bodily injury , including
fluid injection, splashing in the eyes or on the skin,
injury from moving parts, or electric shock, always
follow this procedure 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. Shut of f the sprayer and unplug it.
2. Hold a metal part of the gun firmly to the side of
a grounded metal pail, and trigger the gun into
the pail to relieve pressure.
3. Engage the trigger safety lever .
4. Turn the bypass valve counterclockwise one
turn
to drain paint back into the pail.
If you suspect that the spray tip or hose is complete -
ly clogged, or that pressure has not been fully re-
lieved after following the steps above,
very slowly
loosen
the tip guard retaining nut or hose end cou -
pling and relieve pressure gradually, then loosen
completely.
Now clear the tip or hose obstruction.
WARNING
1. Open the bypass valve ONE turn counterclock-
wise. Do not place the pump intake in the pail yet.
See
Fig 3.
2. Turn the pressure control fully clockwise to increase
pressure. See Fig 3.
3. Remove the inlet strainer and place your hand over
the inlet valve to be sure it is drawing a vacuum.
NOTE: If the inlet valve is not drawing a vacuum, turn the
sprayer OFF . T urn the sprayer over . Press down
on the stem inside the inlet valve lightly with a
small
screwdriver , and pour about a teaspoon of
mineral spirits or solvent into the valve. See Fig
4. Release the valve and turn the sprayer up-
right. With the pressure turned up, turn on the
sprayer.
This should free any sticking parts in the
pump. Now check again for a vacuum. Shut off
the
sprayer and install the inlet strainer .
4. Place the paint pump assembly into a properly pre-
pared
5 gallon pail of paint. (See Step 1, page 10.)
5. Turn the sprayer ON and allow the paint to circulate
through the bypass valve for one or two minutes.
NOTE: If the paint does not circulate back into the pail,
turn down the pressure and “jog” the motor on
and
of f several times to help prime the sprayer .
6. Turn the bypass valve clockwise (finger tight) to
close
it; this allows the pump to build up pressure.
PRESSURE CONTROL
Fig 3
Fig 4
PAINT PUMP
INLET V ALVE
PUMP SHOWN UPSIDE DOWN
INLET STRAINER
CLOSE
Clockwise
OPEN
Counterclockwise
INCREASE
Clockwise
0271
0272
STEM
BYP ASS V ALVE
STARTUP PROCEDURE CONTINUED ON P AGE 12

12 307-711
STARTUP
7. Release the trigger safety lever and trigger the gun
onto
a piece of paper to check the spray pattern. Ad -
just
the pressure setting to obtain the best atomiza -
tion and spray pattern.
Always use the lowest
pressure necessary.
Excessive pressure cause
premature
tip wear and pump wear .
NOTE: If
you cannot obtain a good spray pattern or ade -
quate atomization, your paint may be too thick.
Thin the paint according to the manufacturer’s
recommendations until you can get good atom-
ization.
8. Whenever
you stop spraying, even for a moment, al -
ways
set the trigger safety lever to prevent acciden -
tally
trigger the gun.
9. Whenever you stop spraying for more than a mo-
ment, or if you must leave the sprayer unattended,
shut
it of f and follow the Pressure Relief Procedure
on page 1 1.
NOTE: The
sprayer will not restart if it was left pressur -
ized after shutting it off. Relieve pressure, then
start
it.
Fig 5
PAINT PUMP
TORQUE TO
320–360 in–lb
(36–41 N.m)
TORQUE TO
170–200 in–lb
(19–23 N.m)
0273
10. After the first 3 to 5 hours of operation torque the
four hex head screws on the bottom of the paint
pump
to 170–200 in–lb (19–23 N.m). See Fig 5.
Also torque the inlet valve to 320–360 in–lb
(36–41
N.m).
Repeat these torques after another 3 to 5 hours of
operation, and then after each 25 hours of operation
(about weekly).
CAUTION
Failure to properly tighten the inlet valve and screws
at the intervals indicated will result in oil leaking from
the hydraulic system into the paint, and can cause
costly
damage to the sprayer .
CAUTION
Never start the electric motor with the inlet valve re -
moved,
as it will severely damage the diaphragm.
11. If you have a Reverse-A-Clean IV tip guard on your
gun and the tip clogs while spraying, release the gun
trigger, engage the trigger safety lever , and rotate the
spray tip handle 180  . See Fig 6.
Disengage the safety lever and trigger the gun into
a
grounded metal waste container . Hold a metal part
of the gun firmly to the side of the container to reduce
the risk of static sparking and splashing. The fluid
pressure should force the obstruction from the tip.
Engage
the safety lever .
Return
the handle to the original position, disengage
the safety lever , and resume spraying.
Fig 6
ROTATE SPRA Y TIP
HANDLE 180  ;
TRIGGER GUN T O
CLEAR OBSTRUC-
TION, RETURN
HANDLE T
O SPRAY
POSITION
0278
12. If the tip is still clogged , engage the trigger safety le -
ver,
shut of f and unplug the sprayer , and open the by -
pass valve one turn counterclockwise. Disas-
semble
the tip in the reverse order of assembly (see
manual 307–848). Thoroughly clean all parts in a
compatible
solvent and inspect for wear or damage.
Replace parts as needed and reassemble. Be sure
to
use a new seal and gasket when changing tips.
13. If you have a tip guard on your gun which is not self-
clearing, follow step 12.
14. Spraying techniques are given on page 15.
15. Important maintenance procedures are given on
pages
13 and 14.

13
307-711
MAINTENANCE
Thorough flushing and proper maintenance are
essential to keep the sprayer working properly
and avoid costly damage to the sprayer or the
object being sprayed.
Diaphragm Failure: Always replace the diaphragm
after every 500 hours of operation (once every 4 to
6 months). The diaphragm weakens with use. If it
ruptures,
hydraulic oil and paint may mix, damaging
the sprayer and/or the surface of the object being
sprayed
may be damaged.
Follow the Maintenance Intervals outlined below .
CAUTION
Flushing Immediately after each use
Lubricate Intake V alve Immediately after each use
T ighten Paint Pump 1. After first 3 to 5 hours
Screws and Inlet V alve of operation
2. After next 3 to 5 hours
of operation
3. Each 25 hours thereafter
(about weekly)
Check and/or Change 1. Check the oil after each
Hydraulic Oil use of the sprayer
2. Change the oil after first
20 hours of operation
3. Change the oil each 50
hours thereafter (about
twice monthly)
Replace Diaphragm After every 500 gallons of
paint sprayed (4 to 6 months)
MAINTENANCE INTER VALS
Flushing Procedure
1. Shut off the sprayer. Engage the gun trigger safety
lever. Open the bypass valve ONE turn counter-
clockwise. Raise the paint pump just above the
paint
and turn on the sprayer to drain the paint. Now
turn of f the sprayer . See Fig 7.
2. Place the paint pump in a grounded flushing pail of
solvent.
3. Check to be sure the trigger safety lever is set. Re-
move
the spray tip from the gun. Disengage the safe -
ty
lever . Hold a metal part of the gun firmly to the side
of a grounded metal pail. Close the bypass valve.
Trigger the gun into the pail. Turn on the sprayer.
Watch
the side of the pail for solvent to appear . Then
release the gun trigger . T urn of f the sprayer .
4. With the bypass valve closed, turn on the sprayer,
trigger
the gun into the flushing pail and allow the sol -
vent
to circulate through the hose and gun for two to
three minutes, using the lowest possible pressure.
See Fig 8. Release the gun trigger and engage the
safety
lever . T urn of f the sprayer .
Fig 7
ON/OFF SWITCH
OPEN
COUNTER-
CLOCKWISE
CLOSE
CLOCKWISE
BYPASS
VALVE
PRESSURE
CONTROL
KNOB
0275
DECREASE
Counterclockwise
INCREASE
Clockwise
0270
MAINTAIN FIRM
METAL–TO–METAL
CONT
ACT BETWEEN
GUN AND CONTAINER
Fig 8
ÄÄÄ
ÄÄÄ
ÄÄÄ
ÄÄÄ
0276
5. Open the bypass valve ONE turn counterclock-
wise.
6. Raise
the paint pump above the solvent, turn on the
sprayer, and allow the pump to run itself dry . T urn the
sprayer OFF.
7. Using a clean pail of water or solvent, and the lowest
possible pressure, flush again to be sure all paint par -
ticles
are removed.
8. Remove the paint strainer and clean it thoroughly .
9. Now lubricate the inlet valve. See page 14.
MAINTENANCE PROCEDURE CONTINUED ON
NEXT
P AGE

14 307-711
MAINTENANCE
Lubricate the Inlet V alve (See Fig 9)
1. Follow the Pressure Relief Procedure on page 1 1.
Remove
the inlet screen.
2. Turn the sprayer over . Press down lightly on the stem
of the inlet valve with a small screwdriver . Pour about
a teaspoon of mineral spirits or solvent into the valve,
then remove the screwdriver .
3. Set the sprayer upright. Increase the pressure con-
trol
setting half way . T urn on the sprayer for a few se -
conds,
then turn it OFF .
4. Now tighten the paint pump screws and the inlet
valve.
Tighten
the Paint Pump Screws and Inlet V alve
(See Fig 10)
1. Follow the Pressure Relief Procedure on page 1 1.
2. Torque
the four hex head screws on the paint pump
to 170–200 in–lb (19–23 N.m).
3. Torque the inlet valve to 320–360 in–lb (36–41 N.m).
Check and/or Change the Hydraulic Oil (See Fig 1 1)
1. Follow
the Pressure Relief Procedure on page 1 1.
2.
Remove the fill cap. The oil should be 1 in. (25 mm)
from the top of the plate. If it is lower , add oil as nec -
essary.
use only Graco lightweight hydraulic oil, part
no. 218–797. Reinstall the fill cap, hand tight, if you
are
not going to change the oil.
3. To change the oil, turn the sprayer over and drain the
oil through the fill cap hole.
Whenever you remove the fill cap, be very careful
not to let any dirt, paint particles, or other contami-
nants get into the hydraulic system. Contaminants
can
cause serious damage to the hydraulic system.
CAUTION
4. Fill
the hydraulic pump housing with 16.5 ounces (55
ml) of Graco lightweight hydraulic oil. Reinstall the fill
cap.
5. Plug in the sprayer. Turn the pressure control fully
counterclockwise (no pressure). Turn on the
sprayer
and let it run for two minutes to fill the hydrau -
lic system. Increase the pressure to maximum and
turn
the sprayer on and of f four times to help rid the
hydraulic system of air .
Fig 9
Fig 10
Fig 11
STEM
PAINT PUMP
INLET V ALVE
PUMP SHOWN UPSIDE DOWN
0272
0273
PAINT PUMP
TORQUE TO
320–360 in–lb
(36–41 N.m)
TORQUE TO
170–200 in–lb
(19–23 N.m)
0269
1”
(25 mm)
FILL CAP

15
307-711
APPLICATION METHODS
Always hold the gun perpendicular to the surface and
keep
the gun at an even 12 to 14 in. (300 to 356 mm) from
the surface you are spraying. See Fig 12.
Begin moving the gun in a horizontal direction at a steady
rate. Start the spray stroke of f the target surface and pull
the trigger as the gun is moving. Then, while the gun is
still
moving, and as you approach the other edge, release
the trigger. This method avoids excess paint build-up at
the end of each stroke.
Fig 12
RIGHT
WRONG 0277
The correct speed for moving the gun will allow a full, wet
coating to be applied without runs or sags. Lapping each
stroke about 50% over the previous stroke produces uni -
form
paint thickness. Spraying in a uniform pattern alter -
nately from right to left and then left to right, provides a
professional
finish. See Fig 13.
Fig 13
OVERLAP EACH STROKE 50%
0278
The best way to control the rate of coverage is with the
gun
tip size. A small tip orifice applies less paint. A larger
tip orifice applies more paint. The width of the pattern de -
pends
on the fan pattern of the tip you choose.
Do not try to increase coverage by increasing the fluid
pressure!
Using the lowest pressure necessary to get the
results you want will help prolong the life of your sprayer
and minimize paint lost by overspray .
For interior corners, such as on a bookcase or inside a
cabinet, aim the gun toward the center of the corner to
spray. By dividing the spray pattern this way, the edges
on
both sides are sprayed evenly . See Fig 14.
Fig 14 0279
If there is a wind, angle the spray pattern into the wind to
minimize drifting. Paint from the ground to the roof.
T o avoid getting paint on these objects:
Shrubs. When next to the house, tie back shrubs from the
surface to be painted with rope and stakes. Then cover
them
with a canvas dropcloth as the painter approaches
the area. Remove the canvas dropcloth as soon as the
area
is painted to prevent possible damage to the shrubs.
Concrete walks. If the walkways will be walked on, cover
them with a canvas dropcloth to avoid slipping. Other-
wise
a plastic cloth is all that is needed.
Electrical outlets and lamps. Protect electrical outlets
with masking tape. Cover lamps with plastic bags se-
cured
with masking tape.
Nearby objects. Move objects such as automobiles, pic -
nic
tables, lawn furniture, etc. upwind of the surface to be
sprayed. In the case of a nearby home, make a protective
barrier by hanging plastic between two long poles.

16 307-711
TROUBLESHOOTING
To reduce the risk of serious bodily injury , including
fluid injection, always follow the Pressure Relief
Procedure
W arning on page 1 1 before checking or
repairing any part of the spray system.
WARNING
NOTES:
1. Repairs, other than those for which instructions are
given
on page 18, should be performed by a trained
and qualified repair agency .
2. If
your sprayer is not operating well, or will not oper -
ate
at all, check for obvious problems first. Follow the
STARTUP procedure exactly (see page 1 1). Then if
the sprayer won’t start, use the Troubleshooting
Chart
for help in identifying the possible cause.
3. Remember, taking the time after each use of the
sprayer to perform all of the maintenance proce-
dures
given on page 13 and 14 will help prevent down
time and costly repair bills.
TROUBLESHOOTING CHART
PROBLEM CAUSE SOLUTION
Poor spray pattern Spray tip worn Change tip
Paint too thick Thin, try larger tip
Spray gun won’t shut of f W orn ball Repair gun; order kit no. 218–588
W orn dif fuser Replace gun
Paint build-up between needle and
diffuser Disassemble
and clean gun
Spray gun leaks W orn seal or loose fluid fitting Repair gun; order Kit no. 218–588;
tighten
fluid fitting.
Spray gun won’t spray , or low
output from gun
Paint supply empty Refill and reprime system.
Spray tip clogged Use Reverse-A-Clean feature to
clear
tip clog; see page 12
Gun filter , if used, is clogged Clean or replace
Sprayer will not start Sprayer not plugged in Plug in
ON/OFF switch turned of f T urn switch on
Sprayer left pressurized when shut
off Relieve
pressure first, then start
Motor overheated Shut off, relieve pressure, allow to
cool
NOTE: Sprayer restarts automati-
cally
when cool if it is left on
Blown building fuse or circuit
breaker tripped
Replace or reset
No voltage or low voltage in
electrical outlet
Test the outlet or try plugging spray -
er
into another outlet
Damaged power supply cord or
extension cord, or wrong type of
extension cord
Return for repair; use only 3 wire, 16
gauge (minimum) extension cord
with
a 3 prong plug and a maximum
length of 30 m (100 ft.)
Starter switch (18a) damaged Replace; see page 18
Motor worn or damaged Return for repair
Motor runs but sprayer won’t run Air in diaphgram housing Bleed air

17
307-711
PROBLEM CAUSE SOLUTION
Sprayer starts but will not suck paint Paint supply empty Refill and prime pump
Inlet screen clogged Clean
Inlet valve stuck or damaged See page 18
Outlet valve stuck See page 18
Air trapped in hydraulic system See page 18, Diaphragm , step 9
Hydraulic oil level low or empty See page 14
Wrong grade of hydraulic oil or
wrong
fluid in hydraulic system
Use only Graco approved hydraulic
oil, part no. 218–797
Inlet valve not tight T ighten; see page 14
Damaged diaphragm Replace; see page 18
Sprayer sucks paint but does not
build
up pressure
Pressure control valve not turned up Adjust
Outlet valve stuck, dirty or had worn
parts See
page 18
Hydraulic oil low See page 14
Inlet valve leaks See page 18
Damaged diaphragm Replace; see page 18
Damaged bypass valve Replace
Damaged hydraulic system Return sprayer for repair
Damaged paint pump Replace
Sprayer sucks paint, builds pres-
sure but presure drops when gun is
No spray tip on gun Shut of f sprayer and install tip
sure, but presure drops when gun is
triggered Spray tip orifice too large for the
paint
or worn tip
T ry a smaller tip or a new tip
Inlet screen clogged Clean
Optional gun filter clogged Clean or replace
Optional gun filter screen too fine for
type of paint
Install larger mesh filter or strain and
thin the paint
Paint too thick Thin and/or strain
W orn outlet valve Replace; see page 18
Leaking bypass valve Replace
W orn or damaged inlet valve See page 18
Worn or damaged pressure control
valve See
page 18
Pressure fluctuations Outlet valve stuck, dirty or worn See page 18
Leaking or dirty bypass valve Replace
Dirty , leaking, worn or damaged
inlet valve
Replace; see page 18
Dirty pressure control knob Clean or replace; see page 18
Damaged diaphragm, or paint
pump,
or hydraulic system
Return for repair
Paint in hydraulic system Ruptured diaphragm Return for repair
Hydraulic oil in paint Ruptured diaphragm Return for repair

18 307-711
REPAIR INSTRUCTIONS
Repairs, other than those for which instructions are given
below, should be performed by a trained and qualified re -
pair
agency .
WARNING
To
reduce the risk of serious injury , including fluid in -
jection, splashing in the eyes or on the skin, or injury
from moving parts, always follow the Pressure Re-
lief Procedure Warning on page 11 before check-
ing
or repairing any part of the spray system.
Inlet Check V alve (See Fig 15)
1. Unscrew the inlet check valve (26) from the paint
pump (22).
2. Clean
the gasket (26a), the inlet valve (26), and the
paint pump (22) threads and check for erosion. If any
of the parts are eroded, replace them.
3. Be sure the threads in the paint pump are clean.
4. Lubricate the threads of the inlet valve with petro-
leum
jelly . Install the gasket on the valve, then install
the valve and torque it to 320–360 in–lb (36–41 N.m).
Outlet Check V alve (See Fig 15)
1. Unscrew the plug (28d) and the housing (28b).
2. Use a pick, such as a dentist’s pick, to remove the
seal (28a) from the paint pump (23). It may be hard
to remove.
DO NOT LEAVE THE SEAL IN THE
PAINT
PUMP HOUSING.
3. Clean the parts thoroughly, including the threads in
the
pump, with a compatible solvent. Check all parts
for wear or damage and replace as needed.
4. Lubricate the threads of the housing (28b) and plug
(28d).
5. Install a NEW seal (28a) in the pump housing. AL-
WAYS
replace the seal (28a). Do not try to reuse the
old seal as it will be deformed.
CAUTION
Be
sure you do not install a new seal until the old one
is removed. Having two seals in the valve will cause
performance problems.
6. Install the housing (28b) and torque to 125–150 in–lb
(14–17 N.m) .
7. The last coil on one end of the spring is turned in.
Place
this end over the stud in the plug (28d). Install
the ball (28e), washer (28f) and plug, and torque to
plug
to 380–300 in–lb (32–34 N.m).
Pressure Control (See Fig 15)
1. When removing the pressure control (4) to check or
clean it, always replace the seal (4a). When replac -
ing the pressure control, torque the new control (4)
to
125–150 in–lb (14–17 N.m).
Starter Switch (See Fig 15)
1. Remove the cover of the switch box. Remove the two
screws holding the starter switch (18a). Remove the
old switch and install a new one.
Diaphragm
(See Fig 15)
1. Remove the inlet strainer (27). Remove the four paint
pump screws (25) and lockwashers (24).
2. Remove the bypass valve (66) and the fluid outlet
nipple (67), and then remove the screws (35) and
shield (3).
3. Remove
the screw (36) and lockwasher (37) from the
bracket (38).
4. Pull the paint pump assembly away from the hydrau -
lic
housing (20) and remove the old diaphragm (21).
CAUTION
Never
start the electric motor with the inlet valve (26)
removed, as it will severely damage the diaphragm.
Be careful not to get any dirt or paint on the new dia -
phragm or the hydraulic housing. Contaminants in
the hydraulic system can cause the sprayer to mal-
function
and result in costly damage to the sprayer .
DO
NOT T AMPER with the nut (C). The nut is factory
set to hold the spring to a specific dimension.
CAUTION
5. Check
the gasket (22a) for wear or damage and re -
place it if needed. Clean the top of the paint pump
and
the hydraulic housing thoroughly .
6. Install the new diaphragm assembly (21), lubricate
the internal threads of the housing (20), and reas-
semble
the parts.
7. Lubricate the screws (25) and then install and torque
them to 170–200 in–lb (19–23 N.m ).
CAUTION
Whenever you remove the paint pump screws,
torque
them as instructed above, and then retorque
them after 3 to 5 hours of operation.
8. Check the hydraulic oil level and add Graco-ap-
proved
oil as necessary until the level is 1 in. (25 mm)
from the top of the plate. See Fig 1 1.
9. Turn the pressure control fully counterclockwise
(no
pressure). Plug in the sprayer and turn it on. Run
the sprayer for two minutes to fill the hydraulic sys-
tem.
Increase the pressure to maximum and turn the
sprayer on and of f four times to help rid the hydraulic
system of air .

19
307-711
REPAIR INSTRUCTIONS
LUBRICATE AND
TORQUE TO
320–360 in–lb
(36–41 N.m)
Fig 15
21
22a
22b
26a
26
27
25
24
28d 28f28c 28e28b28a
TORQUE T O
125–150 in–lb
(14–17 N.m)
TORQUE TO
280–300 in–lb
(32–34 N.m)
LUBRICA TE AND T ORQUE TO
170–200 in–lb
(19–23 N.m)
C
TORQUE TO
125–150 IN–LB
(14–17 N.M)
4
4a
38
37
36
APPL Y THREAD SEALANT
66
35
3
67
APPLY
THREAD
SEALANT
20
LUBRICATE
INTERNAL
THREADS
28
18a
Start Switch located
in switch box
0284
DO NOT AL TER POSITION OF NUT

20 307-711
PARTS DRA WING
38
34
56
37
TORQUE T O
8–10 N.m
(70–90 in–lb)
60
1
59
MUST DROP
FREEL Y INT O
PIPE (1)
54
55
86 56
8
70
13
14
71
9
65
49
50
48
53
7
89
6
5
52
4
4a
40
47
45
46
44
64
42
43
66
35 363
67
2
16
19
27
18
APPLY TEFLON  T APE
TO
T OP AND
BOTT OM THREADS
SEE DET AIL A, PAGE 22
OUTLET
APPL Y THREAD SEALANT
T O MOT OR TIE BOL TS
APPL
Y SEALANT
TO THREADS
SEAL IN BEARING
MUST F ACE DOWN
41
39
61
62
37
36
LUBRICA TE, T ORQUE TO
54–60 N.m (40–45 in–lb)
33
TORQUE TO
15–16 N.m
(130–140 in–lb)
DANGER
LABEL,
ENGLISH
DANGER LABEL,
FRENCH
W
ARNING LABEL
WARNING
LABEL 17
92
97
95
40
57
58
101
102
0280
98
99
LABEL
LABEL–THIS SIDE
LABEL–F AR SIDE
83
SEE DET AIL B,
P AGE 22
75