Graco PRO AA4000 Instructions Manual

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INSTRUCTIONS–P

This

manual contains IMPORT

ARNINGS AND INSTRUCTIONS

READ AND RET

AIN FOR REFERENCE

ARTS LIST

ANT

307–706

Rev. R

Supersedes

Model MANUAL MID-RANGE ELECTROST

AIR-ASSISTED

7 bar (100 psi) MAXIMUM WORKING AIR PRESSURE

PRO AA4000



ATIC

AIRLESS SPRAY GUN

bar (950 psi) MAXIMUM WORKING FLUID PRESSURE

Part Number 218–668, Series B

With

0.279 mm (0.01

U.S.

Patent No. 4,290,091; 4,219,865;4,386,739; 3,843,052; 4,462,061; 4,497,447; 4,554,622 U.K. Patent No. 2,140,327B; 2,111,406B; 2,142,559B; 2,147,158 Patented 1986, 1987 Canada Brevete 1986, 1987 French Patent No. 82 21202; 84 07942; 84 10234 Italian Patent No. 1,1 W

est German Patent No. DE 22 09 896

1 in.) spray tip, part no. 219–41

11,380

GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441

 COPYRIGHT

1984, GRACO INC.



TABLE OF CONTENTS

Terms 3. How

Safety Warnings

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

The Electrostatic Air-Assisted Airless

Spray Gun W

orks 3.

. . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation

Typical Warning Ventilate Connect Check Connect

Installation6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Signs6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

the Spray Booth7. . . . . . . . . . . . . . . . . . . . . . .

the Air Line7. . . . . . . . . . . . . . . . . . . . . . . . . . . .

the Electrical Grounding7. . . . . . . . . . . . . . . . . .

the Fluid Line8. . . . . . . . . . . . . . . . . . . . . . . . . .

Operation

the Fluid8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Filter Spraying Operating Install Adjust

Operation8. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Checklist8. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

the Spray T

ip and Air Cap9. . . . . . . . . . . . . . . . .

the Spray Pattern9. . . . . . . . . . . . . . . . . . . . . . . .

Maintenance

Daily

Care and Cleaning

Flush

the Spray Gun

. . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . .

4, 5

10.

Test

Power Supply Resistance

Test

Resistor Stud Resistance

. . . . . . . . . . . . . . . . .

14.

15.

Service

Disassembly

Gun Electrode Ball Barrel Barrel Fluid Check Power Turbine Fan

Wire Replacement

Seat Housing & Resistor Replacement

Removal Reassembly

Needle Replacement

the Gun Safety Latch Cartridge Replacement

Alternator Removal

Air V

alve Replacement Air Valve Replacement ES

ON-OFF V

Muffler,

Repair Parts Parts List 25.

Check V

Kits

Drawing

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Accessories 26–28

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . .

. . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . .

alve Removal and Repair

. . . . . . . . .

alve & Inlet Filter Replacement

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. .

16.

17.

18.

19.

20.

21.

22.

23.

24.

Spray

Pattern T

Gun Operation Troubleshooting Chart 12. Electrical Troubleshooting Chart 13.

roubleshooting Chart 11.

. . . . . . . . . . . . .

. . . . . . . . .

. . . . . . . .

Electrical Tests

est Gun Resistance

. . . . . . . . . . . . . . . . . . . . . . . . . .

14.

TERMS

WARNING:

cause

CAUTION: Alerts user to avoid or correct conditions that could

cause

NOTE: FLUID INJECTION INJURY: A serious injury, which may ap-

pear to be a simple cut, caused by high pressure injection of

directly into the body

fluid

HOW

This gun combines electrostatic air spray and airless spraying concepts. The air has three functions: (1) to drive (3)

to help control the pattern size.

The turbine generates power that the power cartridge converts rent

Fluid is electrostatically charged as it passes the gun’s ionizing electrode. The charged fluid is attracted to the grounded

all surfaces.

ing

Alerts user

bodily harm.

damage to or destruction of equipment.

Identifies essential procedures or helpful information.

THE ELECTROST

the turbine, (2) to help

to avoid or correct conditions that could

ATIC AIR-ASSISTED AIRLESS SPRA

atomize the paint “tails”, and

to a high voltage current. The high voltage cur

charges the gun’

work piece,

s ionizing electrode.

wrapping around and evenly coat

Technical Graco Spray T Warranty Back

PRESSURE RELIEF PROCEDURE: A safety procedure for

relieving

FOR

warnings

ES ON-OFF VALVE:

gun,

the

on or of

Data

Phone Numbers

ip Selection Chart

air and fluid pressure in the system.

YOUR SAFETY: Alerts user to read

on the page indicated.

above the gun handle, that turns the electrostatic pow

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . .

the additional safety

An on/of

f switch located near the rear of

Y GUN WORKS

The

spray tip shapes the fluid into a fan pattern, similar to

conventional airless spray tip, but at a lower pressure.

Air

from the air cap further atomizes the the paint tails into the pattern. The fan adjusting knob controls

Note that the air-assisted airless spray gun differs from the

the width of the pattern.

conventional air spray gun in that increasing

air reduces the pattern width. To increase the pattern

less fan air or a larger size tip must be used.

width,

fluid and pushes

29.

30, 31

Cover

the fan



SAFETY

ARNINGS

SERIOUS

BODIL

Y INJURY, EXPLOSION, FIRE, OR ELECTROSTATIC SHOCK CAN

OCCUR IF THE PRECAUTIONS BELOW ARE NOT FOLLOWED. READ

UNDERST

AND ALL INSTRUCTION MANUALS, T

AGS, AND W

AND

LABELS BEFORE OPERATING EQUIPMENT. ELECTROSTATIC EQUIPMENT SHALL ONLY BE INSTALLED AND USED BY

TRAINED,

QUALIFIED

PERSONNEL WHO SHALL BE FULL

Y CONVERSANT WITH

THE REQUIREMENTS STATED WITHIN THIS INSTRUCTION MANUAL.

FLUID

General

This leaks or ruptured components can inject fluid through your skin and into your body and cause extremely serious bodily injury for

amputation. Also, fluid injected or splashed into the

can

cause serious damage. NEVER point the spray gun at anyone or at any part of the body NEVER put hand or fingers over the spray tip. NEVER try to “blow back” paint; this is NOT an air spray system. NEVER try to stop or deflect leaks with your hand or body ALWAYS

removing the spray tip or servicing any system equipment.

SURE equipment safety devices are operating properly before each

use.

Medical

any fluid appears

CARE AT

exactly

Note

not exotic coatings injected directly into the blood stream. Consultation with able.

Spray

sure all gun safety devices are operating properly before each use.

NOT remove or modify any part of the gun;

tion

and result in serious bodily injury

Safety

Whenever safety latch in the closed or “locked” position, making the gun inoperative. ing

of the gun.

Set

the safety latch by depressing it on the left or right side of the trigger See trigger

INJECTION HAZARD

Safety

equipment generates very high fluid

follow the

Pressure Relief Procedure

Alert – Airless Spray W

to penetrate your skin, get

ONCE. DO NOT TREA

what fluid was injected.

to Physician:

important to treat the injury surgically as soon as possible.

delay treatment to research toxicity

a plastic surgeon or reconstructive hand surgeon may be advis

Injection

Gun Safety Devices

Latch

you stop spraying, even for a moment, AL

Failure to set the safety latch can result in accidental

the illustration below

and up.

Safety

Latch shown in or

“Lock”

. Disengage the latch

closed

position

SPRAY LOCK

pressure. Spray from the gun,

, including the need

eyes or on the skin

, at right, before cleaning

ounds

T AS A SIMPLE CUT. T

into the skin is a traumatic injury

EMERGENCY MEDICAL

. T

oxicity is a concern with some

this can cause a malfunc

by pushing it toward the

ell the doctor

WAYS

set the gun

Safety Latch shown in

“Spray”

open

position

trigger

SPRAY LOCK

Diffuser

The

gun dif

fuser

and

reduces the risk of fluid injection when the spray tip is not installed. T

check

dif

then

remove the spray tip.

the

turbine air OFF

gun.

If the fluid emitted is not dif

ball

seat housing.

Spray T

Use

extreme caution when cleaning or changing spray tips. If the

tip

clogs while spraying, engage the gun safety latch immediately

the Pressure Relief Procedure, NEVER

pressure

Pressure

reduce the risk of serious bodily injury

ing

in the eyes or

shock,

always follow this procedure when shutting off the system, when checking or servicing any part of the spray system, when installing, cleaning

Engage the gun safety latch.

2. T

urn the ES On–Off valve lever to OFF

urn of

3. T

Disengage the gun safety latch.

5. Trigger

pressure.

6. Open

the

drainage.

7. Leave If you suspect

has

been fully relieved

loosen the air cap retainer or hose end coupling and relieve pressure

gradually,

Bleed-Type

These

two accessories are required in your system to help reduce

risk

of serious bodily injury

and

injury from moving parts if you are

The

bleed-type air shutoff valve

and

the pump after the air regulator is

pump

to cycle unexpectedly

pump. The

fluid drain valve

pump,

hose and gun; triggering the

sufficient.

, which is part of the ball seat housing, breaks up spray

fuser operation, follow the

Aim the gun into a

, and using the

Pressure Relief Procedure

lowest possible pressure, trigger the

fused into an irregular

ip Safety

then remove the spray tip to clean it.

wipe of

f build-up around the spray tip or remove the spray tip until

is fully relieved and the gun safety latch is engaged.

Relief Procedure

on the skin, injury from moving parts or electrostatic

or changing spray tips, and whenever you stop spraying.

f the air and fluid supply to the gun.

the gun into a

the pump

the pump drain valve open until you

that the tip or hose is completely clogged, or that pressure

then loosen completely

grounded

drain valve, having a waste container ready to catch

after following the steps above, VER

Air Shutoff V

, including splashing in the eyes or on the skin

. Locate the valve within easy reach of the

assists in relieving fluid pressure in the

, including fluid injection, splash

metal waste container to relieve

. Now clear the tip or hose.

alve and Fluid Drain V

adjusting or repairing the pump.

relieves air trapped between this valve

shut of

gun to relieve pressure may not be

ARNING

grounded

stream, replace the

are ready to spray again.

f. T

rapped air can cause the

, below

metal pail. With

spray

. Follow

Y SLOWL

alve

displacement

fluid

the

4307-706

EQUIPMENT MISUSE HAZARD

General

Any surizing, ing injection,

NEVER to

malfunction.

CHECK aged

Read the

Safety

misuse of the spray equipment or accessories, such as overpres

modifying parts,

worn or damaged parts, can cause them to rupture and result in fluid

electrostatic shock, fire, explosion or property damage.

alter or modify any part of this equipment; doing so

all spray equipment regularly and repair or replace worn or dam

parts immediately

and follow the fluid and solvent manufacturer’s literature regarding

use of protective clothing and equipment.

using incompatible chemicals and fluids, or us

could cause it

FIRE, EXPLOSION, or ELECTROSTA

reduce the risk of fire, explosion, or electrostatic shock, which may re

sult

from electrical discharge, it is essential that:

All parts of the electrostatic system are properly grounded.

All personnel in or close to the spray area are properly grounded.

S All electrically conductive objects or devices in the spray area,

including paint containers, wash cans and tools, are properly grounded.

When

operating the electrostatic device, any ungrounded objects in the

spray

area (such as people, containers, tools, etc.) can become

cally

charged. Arcing may occur if these objects then come in contact or close to ground. Arcing of sufficient energy levels can ignite the fluid being

sprayed, fumes from solvents, dust particles, and other flammable substances. ily

injury and property damage.

Static electricity can also be generated by the pump, ing

as described in

you

ING

sure

This can cause a fire or explosion and result in serious bod

hose, gun, and nozzle, but it is dissipated through proper

experience any arcing or feel even a slight shock, STOP SPRA

IMMEDIA

you have corrected the problem before starting to spray again.

Grounding

TELY

. Check for proper grounding of the entire system. Be

below

flow of fluid through the

Grounding

The

following are static system. Your system may include other equipment or objects which

must also be grounded. Always check your local electrical code for

detailed

grounding instructions. Be sure your systemis connected to a

true

earth ground.

Pump:

separate

Air

compressors and hydraulic power supplies:

the

manufacturer’s recommendations.

Electrostatic

properly grounded air

Conductive

Connect

Object being sprayed:

grounded

edges.

All electrically conductive objects or devices

including paint containers and wash cans, must be properly

grounded.

minimum

ground

by using a ground wire and clamp as described in your

pump instruction manual.

Spray Gun:

Air

the air hose ground wire to a true earth ground.

at all times. Contact points must be sharp points or knife

requirements for grounding a basic electro

ground according to

obtain grounding through connection to a

supply hose. Use only the Graco Electrically

Supply Hose; see

keep the work piece hangers clean and

ACCESSORIES

in the spray area,

electri

ground

Y-

section to order

System

This

exceed nent

Fluid

BE “Wetted Parts” shown in the TECHNICAL DATA on page 29. Always

read

Pressure

gun has a maximum fluid working pressure of 66 bar (950 psi). Never

the maximum working pressure of the

or accessory used in the system.

gun or any other compo

Compatibility

SURE all fluids and solvents used

the fluid and solvent manufacturer’s literature before using the

solvent in this gun.

are chemically compatible with the

TIC SHOCK HAZARD

All

persons entering the

soles,

such as leather

Rubber

or plastic soles are not conductive. The operator must not wear gloves which insulate the hand from spray gun. The gloves must

be conductive or modified as shown on page

The floor of the spray area

7. grounded. Do not cover the floor with cardboard or any non–conductive

Flammable liquids

8. grounded one

All solvent pails:

conductive. Do not place the pail on any non-conductive surface, such as cardboard or paper, which would interrupt grounding continuity.

10.

All

containers. Do not store more than the quantity needed for

shift.

air and fluid lines

spray area:

, or personal grounding straps must be worn.

must be electrically conductive and

material which would interrupt grounding

in the spray area must be kept in approved,

use only grounded metal pails, which are

and electric cables

shoes must have conductive

must be properly grounded.

Flushing and Cleaning Safety

reduce the risk of static sparking or splashing, always

sure

Relief Procedure

ing.

sure the ES valve lever is OFF before flushing or cleaning any

part

of the spray system.

Use

the lowest possible pressure to

metal

waste container

To flush or purge equipment,

equal

to or greater than that of the fluid being sprayed.

clean the exterior of the equipment,

point

of higher than 38

ALWAYS remove all solvent from the system before reactivating the spray

gun.

Use

only non-sparking tools to clean residue from the booth and

Ventilate

prevent hazardous concentrations spray gun

Check and follow all National, State and Local codes regarding air exhaust codes

the Spray Booth

only in a properly ventilated spray booth. NEVER operate the spray

unless the ventilating fans are operating.

velocity requirements. Check and follow

and OSHA standard 1910–107(b)(5)(i).

on page 4 and remove

_ C

flush. T

ALWAYS use solvents with a flash point

(100_ F).

the spray tip before flush

rigger the gun into a

ALWA

YS use solvents with a flash

of toxic and/or flammable vapors,

all local safety and fire

continuity

follow the

grounded

hangers.

fluid

Pres-

HOSE SAFETY

Highly

pressurized fluid contained in the hose can be very dangerous. If

the

hose develops leak, split or rupture, due to any kind of wear or misuse, high pressure spray emitted from it can cause a fluid injection injury

or other serious bodily injury or property damage.

TIGHTEN fluid can dislodge a loose coupling or allow high pressure spray to be emitted

United States Government safety standards have been adopted under the Occupational General Standards, Part 1910.107 and any other appropriate regulations––should be consulted in connection with the installation, operation, and maintenance of electrostatic spray painting equipment.

all fluid connections securely before each use. High pressure

from the coupling.

, damage

IMPORTANT

NEVER

use a damaged hose. Before each use, check the entire hose cuts, leaks, couplings. DO other

HANDLE move with

abrasion,

If any of

NOT try to recouple high pressure hose or mend it with tape or any

device. A repaired hose cannot contain the high pressure fluid.

AND

equipment. Do not use fluids or solvents which are not compatible

the inner tube and cover of the hose.

Safety and Health Act. These standards––particularly the

bulging cover

these conditions exist, replace the hose immediately

ROUTE HOSES CAREFULLY. Do not pull on hoses to

, or damage or movement of the hose

307-7065

for

TYPICAL INSTALLATION

B* C* D

NON–HAZARDOUS

AREA

WARNING

SIGN

HAZARDOUS AREA

Air

Supply to Gun MUST Be Interlocked

ith Spray Booth Exhaust Fan.

KEY

A Main B* V C* D E* F G H Pump

Air Supply Line

entilation Fan Interlock Solenoid V Main Air Supply Shutof Air & W

ater Separator Pump Air Supply Shutof Air Line Lubricator Air Pressure Regulator

alve

f V

alve (bleed–type)

f V

alve (bleed–type)

J* K L M N O P

The Typical Installation shown above is only a guide for selecting and installing an electrostatic air-assisted airless

spray system. It is not an actual system design.

The particular type and size system for your operation must be custom designed for your needs. For assistance in designing

a system, contact your Graco representative.

The pump you use should have a maximum working pressure of 66 bar (950 psi). If the pump you are using has a higher maximum working pressure, a regulator MUST be used to limit the pressure to 66 bar (950 psi). Graco’s be

10:1

Ratio Monark Pump, part no. 217–523, may

used in this system. See

ACCESSORIES.

Warning Signs

Mount warning signs in the spray area where they can easily

be seen and read by all operators. An English a Spanish Warning Sign are provided with the gun. Additional are tion

English, French, German,

available at no charge. See the

to order them.

and Spanish signs

ACCESSORIES

and

sec

*Equipment that must be installed for safe operation. Must be

purchased separately

alve (B) is not offered as a Graco accessory

Pump Ground Wire Fluid Filter Fluid Supply Line Shutof Fluid Pressure Regulator Fluid Supply Line Air Filter (5 micron) Air Supply Line Shutof

f V

alve

Installing and servicing this equipment requires access or

to parts which may cause electrostatic shock

other serious bodily injury if work is not performed

properly. Do not install or service this equipment

unless you are trained and qualified.

Be sure your installation complies with National, State

and Local codes for the apparatus in a Class 1, Group D, Divisions 1 and 2 Hazardous

Check and follow all local safety and fire codes, NFPA 33, NEC 504 and 516, and OSHA standard

1910.107.

f V

alve

Location.

. See ACCESSORIES. NOTE: Solenoid

Air Hose Ground Wire

Grounded Air Supply Hose

Electrostatic Spray Gun

ES On–Of

Air Line Drain V

Fluid Drain V

Gun Air Inlet

Gun Fluid Inlet

f V

alve Lever

alve

WARNING

installation of electrical



INSTALLATION

Ventilate the Spray Booth

WARNING

prevent hazardous concentrations of toxic

To flammable vapors, spray only in a properly ventilated spray booth. Never operate the spray gun unless ventilation fans are operating. The air supply to the gun must be electrically interlocked

the ventilators to prevent operation

with

supply unless ventilating fans are running.

er Check and follow all the National, State and Local

regarding air

codes

NOTE: High

velocity air exhaust will decrease the oper

exhaust velocity requirements.

ating efficiency of the electrostatic system. The

minimum

ear

Connect the Air Line (See T

allowable air exhaust velocity is 31 lin

meters/minute (100 ft/min).

ypical Installation)

WARNING

To reduce the risk of electrostatic shock or other

bodily

injury

serious electrically

connected to

, the Air Supply Hose must be

a true earth ground.

only Graco Electrically Conductive Air Supply Hose.

See

ACCESSORIES.

1. Connect supply

fitting has a left hand thread.

let

ply

hose ground wire (Q) to a true earth ground.

the air supply hose (R)

line and the gun’

s air inlet (W).

Connect the air sup

2. Install an air line filter (O) and an air and water separator

(D) on the air line to

ensure a dry supply to the gun. Dirt and moisture can ruin the appearance of your finished workpiece and can cause

the gun to malfunction.

and/or

of the pow

Use

between the air

The

gun air in

, clean air

Check the Electrical Grounding (See Fig 1)

WARNING

Proper electrical grounding of every part of your system is essential. For your safety, read the warning section, FIRE, EXPLOSION, or ELEC- TROSTATIC SHOCK HAZARD, on page 5. Ground the system as explained there. Then

your system as explained below

check

1. Turn

the ES On–Of

the location of the valve lever

urn of

2. T

f the air and fluid supply to the gun.

3. Have a qualified electrician check the electrical

grounding

continuity of the spray gun and air hose.

a. With the electrically conductive air hose (BB)

connected (see Connect the Air Line) and properly measure

grounded, use a

the (Y) and a true earth ground (Z). Use an applied voltage

mum

of 500 volts

See Fig 1.

b. If the resistance is greater than 2 megohms,

check the tightness of the ground connections,

and be sure the air supply hose ground wire is connected to a true earth ground. If the resistance is still greater than 2 megohms, replace the

air supply hose.

f valve to OFF

megohmmeter (AA) to

resistance between the gun handle

minimum

to 1000 volts

. See Fig 5 for

maxi-

3. Install and pump

a bleed-type air regulator (G) on the pump

gun air supply lines to control air pressure to the

and gun.

4. Install a bleed-type air shutoff valve (C) on the main

air line and pump air line (E) to shut of

pump.

Install an additional bleed-type valve on pump air supply line to relieve air trapped between this

valve and the

pump after air regulator is shut of

WARNING

bleed–type air shutoff valve

The system to relieve air trapped between this valve and the pump after the air regulator is closed. Trapped air can cause the pump to cycle unexpectedly, which could result in serious bodily in-

including splashing in the eyes or on the skin

jury, and

injury from moving parts.

5. Install an air line lubricator (F) as close to the pump

(H) as possible.

6. Install an air shutoff valve (P) on each gun air supply

line to shut of

f air to the gun(s).

f air to the

each

is required in your

KEY

Y Gun Z T AA Ohmmeter BB

Handle

rue Earth Ground

Grounded Air Hose

Fig 1



INSTALLATION

Connect the Fluid Line (See T

ypical Installation)

1. Before connecting the fluid line (N), blow it out with

air and flush it with

compatible

2. Install

fluid pressure to the gun.

trol

with the fluid to be sprayed.

a fluid regulator (M) on the fluid line to con

solvent. Use solvent which is

3. Install a fluid filter (K) and drain valve (V) at the pump

outlet.

4. Connect fluid line to 1/4–18.6(m) gun fluid inlet (X).

OPERATION

WARNING

For your Safety,

Procedure

Relief

system, when you stop spraying, and before checking, any

Square Cut Out

servicing, installing,

part in the system.

in. (76 mm)

and Finger of

Glove Cut Off

ALWAYS follow the Pressure on page 4 when shutting off the

cleaning or chaning

NOTE:

If gloves are

conductive or modified as shown so as not to interfere with operator grounding

through the gun.

worn, they must

WARNING

The

fluid drain valve

assist

in relieving

(V) is required in your system to

fluid pressure in the displacement pump, hose and gun; triggering the gun to relieve pressure may not be sufficient. The drain valve

reduces ily Install

the risk of property damage or serious bod

injury

, including

splashing in the eyes or on skin.

a drain valve close to the pump’s fluid

Operating Checklist

Check the following list daily, before starting to operate the system, to help ensure you of safe, efficient operation.

1. Be sure all operators are properly trained to safely operate an air-assisted airless electro-

spray system.

static

2. Be

sure all operators are trained how to prop

and completely relieve system pressure.

erly

3. Be sure the system is thoroughly grounded. See FIRE, EXPLOSION, or ELECTRIC

SHOCK HAZARD, page 5, and Check the Electrical Grounding

, page 7.

oulet.

Fig 2

Filter the Fluid

Filter the fluid to remove coarse particles and sediment

could clog the spray nozzle.

which

Spraying Operation

This gun has a built-in lead and lag operation. The gun begins emitting air before the fluid is discharged. When

release the trigger

you stops.

This helps prevent fluid buildup on the air cap.

When

spraying, the ES indicator lights (44) should

indicating

the electrostatic charge. See Fig 5.

Be careful not to damage the electrode by jamming it into an object when operating or setting

the gun.

down

, the fluid

CAUTION

stops before the air flow

glow

4. Be

sure the operator and all persons entering

the

spray area are properly grounded by

wear

ing shoes with conductive soles or personal grounding

5. Operator

straps.

must not wear gloves which

insulate the hand from the spray gun. If worn, gloves must be conductive or modified as shown in Fig 2 so as not to interfere with operator grounding

through the gun.

6. Be sure ventilation fans are operating properly.

7. Be

sure the workpiece hangers

are clean and

grounded. Contact points must be sharp

or knife edges.

points

8. Be sure all refuse is removed from the spray booth.

9. Be sure all flammable liquids in spray booth are

in approved, grounded containers.

10. Be sure all conductive objects within 20 ft

of the gun are electrically grounded and

(6 m) the floor of the spray area is electrically conductive

and grounded.

8307-706

OPERATION

Install the Spray Tip and Air Cap

WARNING

your safety

For Procedure,

the spray tip or air cap.

ing

1. See the 30,

to select the appropriate spray tip cation. spray

tip size, fluid viscosity

2. Place ing the tab of the tip with groove in the air cap. Be careful

3. Place the air cap assembly on the gun. Screw the

retaining nut (1

leakage between the tip and ball seat housing.

NOTE: The

direction

Operating a bent or damaged electrode wire will impair the electrical electrical

fire, or explosion,

jury, is properly installed in the not

bent or damaged before operating the gun.

, always follow the

on page 4, before

SPRA

Y TIP SELECTION CHART

Pressure

Relief

installing, or remov

, page

for your appli

The fluid output and fan width

depends on the

, and fluid pressure.

the spray tip (13) in the air cap (12), align

not to damage electrode wire (GG). See Fig

firmly

onto the gun to prevent

air cap and spray tip position determines the

of the spray pattern. See Fig 3.

WARNING

the gun without the electrode

continuity of the gun. T discharge,

which could cause serious in

BE SURE

o reduce the risk of

gun

(see page 16) and is

wire or with

the electrode wire

6. First,

7. Check

complete all the checks under the

ing

Checklist

valve

lever (T) to ON. See Fig 5.

on page 9. Then turn the ES ON-OFF

Operat-

Provide a 3.1 bar (45 psi) clean, dry, regulated air supply to the gun to ensure full voltage from the power supply. The gun may be operated at lower turbine

air pressure,

but may lose some electrostatic effect. Do not operate the turbine at an air pressure greater turbine

than 3.1 bar (45 psi) as there is no benefit and

life will be reduced.

the spray pattern,

then adjust the air pres sure until all the tails are completely atomized and pulled

into the spray pattern. Refer to Fig 4.

If a narrower pattern is desired,

fan adjusting knob (EE) still

not narrow enough, increase the air line pressure

slightly

or use a dif

clockwise

ferent size tip.

try turning the

. If the pattern is

VERTICAL

SPRA

Y P

ATTERN HORIZONT

AL SPRA

Y P

ATTERN

Fig 3

Adjust the Spray Pattern

the steps

and

air flow. DO NOT

Set the fluid pressure at about 21

using the fluid regulator

2. Trigger the gun to check the atomization; don’t be

concerned about the pattern shape yet.

3. Increase the fluid pressure just to the point that any

further increase in fluid pressure does not signifi cantly bar

(950 psi) fluid pressure.

4. Be sure the fan adjusting knob (EE) is closed (turned

below to establish the correct fluid flow

turn the electrostatics on yet.

bar (300 psi),

improve fluid atomization. DO NOT exceed 66

fully

counterclockwise

NO AIR

Fig

KEY

11 Retaining 12

Air Cap

Spray T

ES Indicator Lights

Nut

OO LITTLE AIR

Tab

RIGHT AMOUNT

ES ON-OFF V

alve Lever

Fan Adjusting Knob

Electrode Wire

OF AIR

5. Set

the atomizing

air pressure to 3.1 bar (45 psi).

Fig 5

307-7069

MAINTENANCE

Daily Care and Cleaning

CAUTION

Clean all parts with a non–conductive solvent, compatible with the fluid being sprayed. Conductive

solvents can cause the gun to malfunction.

Methylene chloride

flushing

or cleaning solvent with this gun as it will

damage nylon components.

Do not use any cleaning method which may allow solvent into the gun air passages.

Immersing

the gun as a cleaning method. Solvent left in gun passages could

result in a poor quality paint finish and may draw current and reduce the electrostatic effect. Solvent ternator

in the power supply cavity can

life.

For your safety,

Procedure

lief

when you stop spraying, and before checking,

tem, servicing, in

the system.

installing, cleaning or

is not recommended as a

in solvent is not recommended

reduce al

WARNING

always follow the Pressure Re-

on page 4 when shutting of

f the

changing any part

sys

c. Use a soft brush or other soft tool, with an air

blow gun, to clean air cap passages. Take care not to scratch any surfaces. If air cap holes are plugged, use a round toothpick to unplug the holes.

CAUTION

not use metal tools to clean the air cap holes as

this may scratch them, and make sure the elec-

wire is not damaged. Scratches in

trode holes

or a damaged electrode wire can distort the

spray

pattern.

6. Check

the electrode wire. Straighten

the air cap

if bent, and

replace if broken or damaged. See Electrode Wire

Replacement.

KEY

25 Fluid 26

Inlet Fitting

Fluid Filter

Clean the fluid and air line filters daily

2. Check all of the work hangers for build-up of material;

3. a. b. Remove

c. Reinstall

clean them, if necessary

Clean the gun fluid filter (26) daily

. See Fig 6.

Unscrew and remove the fluid inlet fitting (25).

the filter (26) and clean thoroughly in a

compatible

non-conductive solvent.

the filter and inlet fitting. DO NOT over tighten the inlet fitting as over tightening could distort

4. Clean dampened

the filter

the outside of the gun daily with a soft cloth

in a compatible solvent.

5. Clean the air cap and spray tip daily, minimum. Some applications require more frequent cleaning. Replace

a. b. Clean

spray tip and air cap if they are damaged.

Remove the air cap and spray tip.

the tip and air

with

a soft brush.

cap with solvent and scrub

Fig

Flush the Spray Gun

WARNING

To reduce the risk of electric shock, which could result in serious injury, or the risk of fire or explosion the ES On-Off lever (electrostatics) must be

before flushing.

OFF

For your safety,

Procedure

Relief

Methylene chloride

flushing

or cleaning solvent with this gun as it will

damage nylon components.

Follow the

Disconnect and plug the fluid line.

Connect the solvent supply to the gun.

Pressure Relief Procedure

always follow the Pressure

on page 4 before flushing.

CAUTION

is not recommended as a

on page 4.

WARNING

To avoid damaging the ball seat housing resistor, use a soft bristle brush dipped in solvent to clean;

NOT

soak it in solvent! A damaged resistor will impair the electrical continuity and could result in electrical discharge, which could cause serious

fire, or explosion.

injury,

10    307-706

Flush the gun with solvent until it is clean.

5. Follow the Pressure Relief Procedure, then disconnect

Reconnect the fluid supply line.

8. T

the solvent supply

rigger the gun until it is clear of solvent.

SPRAY PA

Installing ous and

Pressure Relief Procedure

To reduce the risk of serious bodily injury, including fluid injection, splashing in the eyes or on the skin, injury follow this procedure when shutting off the system, when tem, when installing, cleaning or changing fluid nozzles,

2. T

3. T

and servicing this equipment requires access to parts which may cause electrostatic shock or other seri bodily injury if the work is not performed properly qualified.

from moving parts or electrostatic shock, always checking or servicing any part of the spray sys

and whenever you stop spraying.

Engage the gun safety latch.

urn the ES ON–OFF V

urn of

f the air and fluid supply to the gun.

Disengage the gun safety latch.

TTERN TROUBLESHOOTING CHART

WARNING

. Do not install or service this equipment unless you are trained

WARNING

alve lever to OFF

5. Trigger tainer

Engage the gun safety latch.

7. Open the pump drain valve, having a waste con-

tainer

8. Leave the pump drain valve open until you are ready

If you suspect that the tip or hose is completely clogged, or that pressure has not been fully relieved after following the steps above. VERY SLOWLY loosen the air cap retainer or hose end coupling and relieve pressure Now

the gun into a

to relieve fluid pressure.

ready to catch the drainage.

to spray again.

grounded

gradually

clear the tip or hose.

metal waste con

, then loosen completely.

NOTE:

Check all possible remedies in the T

PROBLEM: CAUSE IMPROPER SPRA PATTERN

Fluttering or spitting spray

Irregular pattern

Pattern pushed to one side, same side of air cap gets dirty

ails in pattern

Insuf Loose or cracked coupler at fluid inlet. Air in paint supply line

Fluid build-up or spray tip partially plugged.

Air horn holes on defective side of Clean air horn holes with solvent pattern partially or totally plugged.

Air horn holes partially or totally plugged.

Insuf Fluid pressure too low

roubleshooting Charts before disassembling the gun.

ficient fluid supply

ficient air pressure.

SOLUTION

Adjust fluid regulator or fill fluid tank. T

ighten or repair

Check, tighten siphon hose connections, bleed air from paint line.

Clean spray tip.

and soft brush.

Clean air horn holes with solvent and soft brush.

Increase air pressure. Increase fluid pressure.

307-706 11

GUN OPERA

PROBLEM CAUSE SOLUTION

Air

leakage from front of

gun.

Air valve not seating properly Air stem packing too tight. Loosen packing. See page 21.

TION TROUBLESHOOTING CHART

Clean, service. See page 21.

Fluid leakage from front of gun.

“Orange Peel” finish.

Excessive spray fog.

No fluid sprays from gun.

Equipment covered with fluid.

Loose or worn fluid seat.

Loose spray tip.

Insuf

ficient air pressure.

Using too large of a spray tip. Fluid poorly mixed or filtered. Improper thinner being used.

oo much air pressure.

Fluid thinned too much.

Fluid low Broken fluid needle shaft. Replace needle. Dirty or clogged spray tip. Damaged spray tip.

Exhaust air flow insuf properly.

Improper distance between gun and work piece.

ficient or not directed

ighten or replace fluid seat and/or

electrode. See page 16. T

ighten spray tip.

Increase, use least air pressure needed for good results.

Use a smaller size spray tip. Remix or refilter fluid. Use proper thinner

Reduce,use least air pressure needed for good results.

Properly thin fluid.

Check, add if necessary

Clean spray tip. See page 10. Check, replace spray tip. See page 9.

Check for proper CFM, check baf and direction of air flow

Adjust distance to 203–305 mm (8–12 in.).

fles,

12    307-706

ELECTRICAL

PROBLEM CAUSE SOLUTION

TROUBLESHOOTING CHART

Poor wrap–around.

ON–OFF lever in OFF position.

*ES *T

urbine alternator not operating

Improper distance between gun and work piece.

Parts poorly grounded.

High booth exhaust velocity Atomizing air pressure too high. *Fluid resistivity too low

*Faulty gun resistance. *Faulty resistor stud resistance. Check resistor stud resistance.

*Faulty power supply resistance. Check power supply resistance.

*Damaged electrode wire.

*Faulty turbine alternator

urn lever to ON.

Check if ES ON–OFF lever is ON. Check air supply to gun. Check for dirt or moisture in turbine. See page 23.

Adjust spraying distance to 203–305 mm (8–12 in.).

Clean hangers, check for proper ground on conveyer or track.

Reduce within code limits. Reduce air pressure. Check fluid resistivity with paint

meter and probe. Check gun resistance. See page 14.

See page 15.

See page14. Replace electrode wire.

See page 16. Be sure plug is in place on back of

turbine alternator housing.Remove and test turbine alternator page 20.

. See

Operator gets mild shock.

Operator gets mild shock when touching work piece.

Operator not properly grounded or is in contact with ungrounded object.

Gun not properly grounded.

ork piece not properly

grounded.

*ES indicator light not on when gun is triggered.

Be sure floor is properly grounded. W

ear shoes with conductive soles or wear personal grounding straps. Be sure operator is not in contact with or carrying any metallic items which could build up electrical charge. If worn, a glove must be conductive or modified as shown on page 8.

See

Check the Electrical Grounding,

page 7. Be sure Graco air supply hose is being used and is properly grounded.

Clean work piece hangers. Check for proper ground on conveyor or track.

307-706 13

ELECTRICAL TESTS

The

performance of the condition of the electrical components contained inside

the gun. The electrical tests below can determine the condition of the power supply (3) and the ball

housing and resistor (14) as well as

the

electrical path between components.

Use

megohmmeter 218–979 (see

applied voltage of 500 volts to complete these

cal

tests. Connect the leads as shown.

reduce the risk

To fire

or explosion and result in serious bodily including electrostatic shock, DO NOT use the megohmmeter in the hazardous area. Remove the

gun from the hazardous area before testing

Test Gun Resistance

NOTE: Check

with

the trigger released.

the spray gun is directly af

fected by

be used to

the continuity of

ACCESSORIES

) and

electri

WARNING

of sparking, which could cause

injury

it.

the resistance with the gun triggered and

KEY

32 Gun 32a A Megohmmeter GG Electrode

Handle

Air Inlet Fitting

Measure wire sistance

the resistance between the end of the

(GG) and the gun air fitting (32a).

should be between 1

15–152 megohms. If the re

electrode

See Fig 7. The re

sistance is outside the specified range, go to the next test. If the resistance is correct, refer to the Electrical Troubleshooting Chart on page 13 for other possible causes

of poor performance.

Test Power Supply Resistance

Remove the power cartridge (1) from the gun handle (32).

See

Power Cartridge Replacement

Remove the turbine alternator (1a) from the power supply (3). See Turbine Alternator Removal

Measure power of

the power supply

the resistance from the center prong (HH) in the

supply to the

contact spring (3b) on the other end . See Fig 8.

The resistance should be 95–122 megohms. If the resistance ply

is defective and must be replaced. If the resistance

the

power supply is correct, proceed to the next test.

is outside the specified range,

If you still have problems, refer to the Electrical Troubleshooting Chart for other possible causes of poor performance, or contact the nearest authorized service

agency

the power sup

Fig 7 KEY

3b Contact A Megohmmeter HH

Center Connector Prong

32a

    

Fig

ELECTRICAL TESTS

Test Resistor Stud Resistance

Insert

a conductive rod (JJ) into the

for

the power supply test) and against the metal contact

(KK)

in the front of the barrel. See Fig 9.

Measure

the resistance between the conductive rod (JJ) and the gun electrode (GG). The resistance should be 20–30

megohms. If the resistance is correct, refer to the Electrical Troubleshooting Chart for other possible causes of poor performance, or contact the nearest authorized

service agency

If the resistance is outside the specified range, remove the electrode wire (GG). See Electrode W ment. Measure the resistance between the conductive rod (JJ) and the resistor (LL) in the outside diameter of ball

seat housing (14). See Fig 10.

The resistance should be 20–30 megohms. If the resistance

is correct, the electrode wire is defective and must be replaced. See Electrode Wire Replacement. If the resistance is outside the specified range, the resistor is defective and the ball seat housing (14) must be replaced. See Ball Seat Housing & Resistor Replacement.

If you still have problems, refer to the Electrical Troubleshooting Chart for other possible causes of poor performance, or contact the nearest authorized service

agency

gun barrel (removed

ire Replace

KEY

9 Gun A Megohmmeter JJ KK GG Electrode

Fig

Barrel

Conductive Rod Metal Contact

Fig 10

KEY

14 Ball A Megohmmeter JJ LL Resistor

Seat Housing

Conductive Rod

 

SERVICE

Gun Disassembly

WARNING

Installing and servicing this equipment requires access to parts which may cause electrostatic shock

or other serious performed properly. Do not install or service this equipment

unless you are trained and qualified.

Follow the Pressure Relief Procedure Warning, page

1, before servicing

system.

Disconnect the fluid hose from the gun.

NOTE: Check all possible remedies in the

Troubleshooting

the

gun.

If the plastic parts of the gun must be held securely, ALWAYS clamp them in padded vice jaws

to prevent damage to the parts.

ALWAYS lubricate o–rings and seals with petroleum

jelly

ALWAYS repair.

remove gun from worksite for service or

Service or repair area must be clean.

bodily injury if the work is not

the gun or any part of the

Charts

before disassembling

CAUTION

NOTE: A box of ten electrodes is included in the tool

kit (63).

Ball Seat Housing & Resistor Replacement

1. Unscrew cap

(12) and spray tip (13). See Fig 1

2. Insert gun.

While triggering the gun, unscrew the ball seat

housing (14) and remove it. See Fig 12.

you are replacing the fluid needle assembly

not

reassemble the gun.

no further service is required,

ing in the reverse order of disassembly. Torque the ball seat housing to 1.1 Nm (10 in-lb) NOT

OVER TIGHTEN.

DO NOT over tighten the ball seat housing (14). Excess

KEY

14 Ball 63d Wrench

Seat Housing

the retaining nut (11) . Remove the

the special wrench (63d) in the

install the new hous

CAUTION

torque will damage the housing.

air

front of the

(snug)

; DO

Flush

the gun as described under

Flush the Spray Gun.

Follow the Pressure Relief Procedure Warning on

1. Disconnect the air and fluid line from the gun.

page

KEY

11 Retaining 12

Air Cap

Spray T

Electrode Wire

Nut

Fig 1

Electrode Wire Replacement

1. Unscrew the retaining nut (11). Remove the air cap

(12) and spray tip (13). See Fig 1

2. Use trode

wire (GG) out the back of the spray tip.

a needle nose pliers

to gently pull the elec

63d

orque to

1.1 N

m

(10 in-lb)

63d

3. Install the long end of the new wire in the hole closest

to the tab of the tip. See Fig 1

Push the wire in, aligning the short end of the wire with the other hole

in the tip. Pull on the front of the wire to seat it.

16    307-706

Fig 12

SERVICE

Barrel Removal

1. Remove

2. Unscrew tom

of the fluid tube (20), then pull

inlet.

See Fig 13.

you are replacing the needle,

wrench the gun, unscrew the ball seat housing (14) and remove

4. Remove

5. Remove the ES indicator lights. Using the wrench (63f) supplied, loosen and remove the two socket head cap screws (45) from the gun. See Fig

13.

6. Hold the

gun barrel (9) straight up to remove it. See Fig 14.

To avoid damaging the power cartridge, always pull

the gun barrel straight up.

move

the gun barrel from side to side to free it from

the

gun handle.

the retaining nut, air cap, and spray tip.

the fluid tube connector (FF) at the bot

the tube out of the

insert the special

(63d) in the front of the gun. While triggering

it. See Fig 12.

the trigger screws,

spacers, and trigger

the gun handle (32) with one hand and pull

CAUTION

If necessary

, gently

KEY

20 Fluid Tube 20a Washer 45

Cap Screw

63f Wrench FF

Fluid T

ube Connector

Fig 13

KEY

Power Cartridge

4 Gasket 9

Gun Barrel

Gun Handle

63f

20a

9 4

NOTE: The gasket (4) should be left in the gun handle

(32)

if the gasket is not to be replaced.

Barrel Reassembly

2. Be sure the gasket (4) is in place. Replace if

3. Install

4. Insert

5. If

the needle assembly was removed,

described on page 18.

damaged. (1)

and onto the gun handle (32). See Fig 14.

Place the barrel over the power cartridge

reinstall it

the two socket head cap screws (45) and tighten with the wrench (63f) supplied. See Fig 13. Snap

the ES indicator lights in place

head

cap screws.

the fluid tube (20) into the fluid

gun

barrel, making sure the washer (20a) is in place,

and

tighten the fluid tube connector (FF).

over the socket

inlet of the

See Fig 13.

the ball seat housing (14) was removed, insert the pressing tool (63c) [see Fig 15] in the front of the gun and gently push the needle back before sliding the trigger into place and installing the screws and spacers. seat

Then remove the tool

housing (see page 16).

and reinstall the ball

Fig 14

KEY

19 Trigger 44

ES Indicator Lights

63c

Pressing T

77 Screw

ool

Torque

1.1–1.4 N (10–12 in-lb)

m

6. Install the air cap, spray tip, and retaining nut. the gun resistance as instructed on page 14.

Test

Fig

63c

307-706 17

SERVICE

Fluid Needle Replacement

1. Remove

17.

If the power cartridge comes out, carefully press

back into the handle.

2. Insert the narrow end of the pressing tool (63c) through then remove the nut (21) and the adjustment nut (17a).

3. Press the needle assembly (17) out the front of the

gun as far as you can with a finger

against a flat surface. Then use the wrench (63f) to

finish

pushing it out. See Fig 16.

4. Remove the nut (17a) from the new needle assembly. Then install the new needle assembly through the pressing tool (63c) into the front of the gun and press

to seat the needle. See Fig 17.

5. Install the new adjustment nut (17a), hex end first,

onto the needle.

6. Use the pressing tool (63c) to press on the needle from the front of the gun, then screw the adjusting nut (17a) all the way to the bottom of the threads.

the gun barrel (9) as instructed on page

the front of the gun to push the needle back,

See Fig 17.

, or by pressing

the front of the gun. Insert the narrow end of

Remove the pressing tool.

KEY

17a Adjustment 21 Nut

Pressing T

63c

Nut

ool

21 17a

Bottom of thread

63c

Fig

Check the Gun Safety Latch

WARNING

to be sure the

Check erly

each time after you change the needle. Safety latch failure or improper use of the safety latch can result in accidental gun triggering, which could cause

fluid injection or splashing fluid into the

on skin and result in serious injury

gun safety latch works prop

eyes

7. Screw the other nut (21) firmly against the adjustment

nut to lock them together

8. Reassemble the gun as described in Barrel

Reassembly.

KEY

17 Needle 17a

Adjustment Nut

21 Nut 63f Wrench

Assembly

17a

63f

Fig

17a

SPRAY

Trigger

touch nut (17a) when

safety latch is locked.

MUST NOT

LOCK

Fig 18

TEST

Engage ger the gun. Look behind the trigger to be sure it is engaging and

the trigger safety latch

the nut (17a).

Then engage the latch to the left

check again. See Fig 18.

to the right, then try to trig

not

TEST 2

Disengage the trigger safety latch, and trigger the gun gently

to see if you can feel the “lead and lag” operation, which means the air will come on before the fluid does, and

the fluid shuts of

f before the air does.

If the gun fails either TEST 1 or 2:

Remove the trigger and the ball seat housing. Back the nuts

(17a, 21) Reassemble in

front of the trigger to make sure

the trigger still fails any of

assembly

away

from the bottom of the threads.

and check T

ests 1 and 2 again. Also check

the needle still moves.

these tests now

the needle

(17) is out of tolerance and must be replaced.

    

KEY

1 Power 1a T 1b O–Rings 1c Plug 3a O–Ring 3b Spring 3c O–Ring 4 Gasket 9 Barrel 9b Cushion 32

Cartridge

urbine Alternator

Gun Handle

SERVICE

See

NOTE

step 3, below

after

NOTE:

The power cartridge (1)

includes items 1a–1c, and 3a–3c.

Fig

Power Cartridge Replacement

1. Remove the barrel as described under Barrel Removal.

the

2. Remove

The power cartridge is fragile. Be careful when handling

it to avoid damage.

3. Grasp the power cartridge (1) with your hand.

a gentle side to side motion, pull it free from the

With gun handle (32). Then pull the power cartridge straight

out of the handle.

DO NOT use solvents to clean the power cartridge

cavity in the gun handle (32). Solvent will

damage electrical components contained in the

cartridge.

power Inspect the power cartridge cavity in the handle

for dirt or moisture. Clean out the cavity with a clean, dry rag if necessary. Moisture and other contaminants

gasket (4) from the gun. See Fig 19.

CAUTION

may damage electronic circuitry

NOTE: The cushion (9b) is part of the gun barrel and

should never be removed. If it ever is removed, push the cushion, adhesive side in toward the

with a rod until it is securely adhered in the

barrel, barrel.

DO NOT

use the power supply (3) to press the cushion into the barrel as it will not adhere

properly

4. Lightly lubricate the o–rings (1b, 3a, 3c) on the new power cartridge with petroleum jelly. Insert the

power cartridge in the gun handle.

new

NOTE: See

Fig 20 for proper alignment of the power car

tridge

(1) in the gun handle (32).

Install the gasket (4) in the gun handle (32).

6. Install the barrel on the handle as described

Barrel Removal

under

KEY

1 Power 32

Cartridge

Gun Handle

All the o–rings (1b, 3a, 3c) and the compression spring (3b) must be in place or the gun will malfunction.

Fig 20

 

SERVICE

Turbine Alternator Removal

1. Remove the power cartridge from the gun handle as described under Power Cartridge Replacement.

2. Carefully twist the turbine alternator (1a)

terclockwise

and pull it of

f the power supply (3) until just disengaged from the coupling (MM). Then continue to slowly pull the turbine alternator away from the power supply, disconnecting the 3-wire tor (NN). See Fig 21.

3. Using

an ohmmeter

, test the coil in the turbine al ternator (1a). Measure the resistance between the two outer terminals of the 3-wire connector (NN).

resistance should be 3 to 5 ohms. If the reading

The varies

from this value, replace the alternator

4. Measure

the resistance between

each outer ter minal of the 3-wire connector (NN) and the turbine alternator

housing (1a). The resistance should be in finite. If the resistance is not infinite, replace the alternator.

5. Partially

connect the 3-wire connector (NN) onto the prongs inside the power supply (3). See Fig 21. Using a small screwdriver, push the connector onto

prongs until seated.

the

coun-

connec

6. Slide the turbine alternator (1a) onto the power being

supply,

sure to align the coupling between the

power supply and the turbine alternator housing.

twist the turbine alternator

Then

clockwise

coupling.

7. Install the power cartridge in the gun handle as

described

KEY

1a Alternator 3 Power MM Coupling NN

Supply

3–Wire Connector

under

Power Cartridge Replacement

to lock the

Fig 21

    

SERVICE

Fan Air Valve Replacement

1. Turn

2. Place ing (47) and remove it from the handle (32). See Fig 22.

3. Remove

4. Rotate til it is disengaged from the valve housing threads. Pull the adjusting screw out of the valve housing (47).

5. Clean damage.

terclockwise

6. Apply threads on the end of the adjusting screw (48) and install

left

7. When reassembling the fan air valve, lubricate the with

8. After justing screw (48), back the adjusting screw out of the retaining

9. Apply PTFE paste to the threads of the valve housing the

KEY

Gun Handle

Retaining Ring

40 V 46 O-Ring

Air V

47 48

Air Adjusting Screw

the fan

adjusting knob (48) fully

clockwise

a wrench on the flats of the air valve hous

the retaining ring (39).

the air adjusting screw (48)

all the

parts and inspect them for wear or

If replacing the seal (40), unscrew it

clockwise

coun-

and remove it from the adjusting screw

medium grade thread sealant

a new seal (40).

(Remember the screw has a

to the small

hand thread.)

o-ring (46) and the adjusting

petroleum jelly

the retaining

ring (39) is installed on the ad

screw (48) threads

valve housing (47) until it bottoms out against the

ring.

(47) and install it in the handle (32). Torque

housing to 1.1–1.4 Nm (10–12 in–lb).

alve Seal

alve Housing

Air Valve Replacement

1. Using a screwdriver, remove the retainer (57), (55), and air valve (54). See Fig 23.

spring

2. Remove

the

spacers from the gun.

3. Using wrench (63b), unscrew and remove the

(52) and packing (53) from the front of the gun

guide

handle (32).

Clean

with

ible

spirits. Use of conductive solvents can

eral the

gun to malfunction.

4. Apply PTFE tape to the threads of the guide (52).

Install the gun handle (32). Tighten the guide finger tight only.

5. Install

the

back of the gun handle (32).

6. Apply petroleum jelly to the threads of the re-

tainer (57) and the o-ring (56). Install the retainer in the back of the gun handle (32) and tighten with a screwdriver.

7. Reinstall the trigger with the screws and spac-

ers.

8. Squeeze the trigger and tighten the guide (52)

until

just is

released. Then loosen the guide just enough so the

valve stem returns freely when the gun is triggered

released.

and

KEY

32 Gun 52 Guide 53 Packing 54

Air V

55 Spring 56 O-Ring 57 Retainer

the trigger by removing the screws and

CAUTION

all parts in non-conductive solvent

the fluid being used, such as xylol or min

the new packing (53) and guide in the front of

the new air valve (54) and spring (55) into

the valve (54) will not return when the trigger

Handle

alve Assembly

Apply

PTFE

compat

cause

tape

Fig

orque to

1.1–1.4 N (10–12 in–lb)

m

Fig 23

Apply

PTFE

tape

307-706 21

SERVICE

ON–OFF V

alve

Removal & Replacement

1. Loosen and remove the nut (49). Remove the (51) and washer (50). See Fig 24. Insert the hex

lever head

wrench (63e) into the hex end of the valve (38),

and

loosen and remove the valve.

2. Clean and inspect parts for wear or damage.

Replace valve

if necessary

(38) with petroleum jelly

. Lubricate the o–rings (37) and

3. Install the regulator disc (2) so that the beveled

of the disc faces into the valve (38).

face

4. Install the valve (38) with the regulator disc (2)

o–rings (37) into the gun handle so that the larger

and opening the

5. Install

(49) to

of the

valve cylinder faces toward the front of

gun handle.

the wave washer (50), lever

on the valve stem. T

0.225 Nm (2 in–lb).

ighten the nut

(51), and nut

and torque it

KEY

2 Regulator Disk 37 O–Ring

Air V

alve

49 Nut 50 W 51 V

ave W

asher

alve Lever

orque to

0.225 N (2 in–lb)

m

Muffler, Check Valve, & Inlet Filter Replacement

1. Remove

Remove the screw (22).

3. Be of the air inlet fitting (32a) are properly aligned with

bracket (28), then remove the

the

retainer (75) from the gun handle.

head

4. Pull the muffler (33) from the gun handle and replace

5. Insert a 3.18 mm (0.125 in.) rod into one of the

in the valve check retainer (29)

holes the

bracket (28). Be ready to catch the ball (31) and spring (30) as the valve check retainer (29) is removed.

6. Install a new ball (31) and spring (30) in the bracket into

place on the bracket.

7. Attach the bracket (28) and bulkhead retainer

to the gun handle with the screw (22).

(75)

Install a new filter (26) in the adapter (24).

the fluid inlet fitting (25). See Fig 25.

sure the flats of the adapter (24) and the

bracket and bulk

with a new muf

fler.

and pry it out of

(28). Snap the valve check

retainer (29) back

flats

Fig

KEY

22 Screw 24 Adapter 25 Fluid 26 28 Bracket 29 V 30 Spring 31 Ball 32a 33 Muffler 75

Inlet Fitting

Fluid Filter

alve Check Retainer

Air Inlet Fitting

Bulkhead Retainer

32a

Apply sealant to outside surface

9. Install the fluid fitting (25). There will be a small

between the hexes of the fitting and adapter;

space do not over tighten them.

    

Fig 25

REPAIR KITS

Repair

Use only

When

servicing use

Use

of other parts or any modification of the gun could alter

the

grounding continuity of the gun or cause parts to rupture

and result in serious injury, fire, explosion, electrostatic

or property damage.

shock,

Kits must be purchased separately

GENUINE GRACO P

only genuine Graco replacement parts.

ARTS AND ACCESSORIES.

WARNING

NOTE: The

Ref. Nos. shown in

the

best results, use all the parts in the kit, even if the old parts still look good.

the kits below correspond to the reference numbers used in the parts list on page 25. For

High Air Flow Restrictor Kit 220–493

Use

with standard air cap 223–167. Includes:

Ref No.

Part No.

100 179–994 RESTRICTOR 2 101 107–414 102 100–172

Description Qty

SPRING, compression BALL; 3/16” diameter

Low Air Flow Restrictor Kit 223–830*

Includes:

Ref No. Part

100 180–763 RESTRICTOR 2 101 107–414 102 100–172

*MUST

100

No.

also order

101

Description Qty

SPRING, compression BALL; 3/16” diameter

Air Cap 220–535

102

Optional Air Cap 220–535

MUST be used with Low Air Flow Restrictor Kit 223–830,

at left. Must order separately

Spray Gun Repair Kit 218–752

Includes:

Ref

No. Part

1b 107–106 2 107–107 REGULAT 3a 106–555 3c 177–156 4 179–387 GASKET 13a 183–459 W

20a 164–769 W

37 103–648 46 103–557 53 106–901 56 103–338

No.

MANUAL

Description Qty

O–RING, buna–N

OR, disc O–RING, fluorocarbon O–RING, V

ASHER, non-metallic

ASHER, PTFE O-RING, V O-RING, V O-RING, PTFE O-RING, V

iton 1

, housing

 2

iton 2 iton 1

iton 1

CHANGE SUMMAR

2 1 1

1 1

The

manual was changed from Rev spray tip 219–407 from the SPRAY TIP SELECTION CHART.

. P to Rev

 

. R to delete

PARTS

DRA

WING

Part No. 218–668, Series B Model PRO AA4000 Gun

*3a

13a*

37*

1b*

*3c

53*

Apply

32a

–

801-21. T

3.4 Nm (25 in-lb)

REF 28

46*

56*

Loctite

orque to



17a

REF 17

Ref

No 63, T

ool Kit

Includes items 63a–63g

63c

63f

63d

    

*20a

63b

63g

63a

*20a

REF

PARTS LIST

REF NO. P

1 218–111 POWER CARTRIDGE; Includes 1a 217–591 1b* 107–106

2* 107–107 REGULATOR, disc 1 3 218–041

3a* 106–555 3b 178–504 3c* 177–156 4* 179–387 GASKET 5** 179–790 9 220–963 9a 176–921 9b 186–127 11 218–695 NUT 12 223–167 AIR CAP

13 219–411 SPRA

13a* 183–459 14 220–613 HOUSING, ball seat; 17 218–697 17a 176–938 19 186–473 TRIGGER 1 20 218–713 20a* 164–769 21 105–689 NUT 22 180–624 SCREW 24 180–728 RET 25 180–706 CONNECT 26 205–264 FIL 28 181–380 BRACKET 1 29 180–621 RETAINER 1 30 108–046 SPRING, compression 1 31 101–435 32 218–716 32a 179–400 33 180–623 MUFFLER 1

ART NO.

DESCRIPTION QTY

items 1a and 3

ALTERNAT

OR, turbine; Includes

item 1b

O–RING, buna–N 2 POWER SUPPLY

; Includes

items 3a. 3b, and 3c



O–RING, fluorocarbon

SPRING, compression 1 O–RING, Viton 1

, housing LABEL, warning BARREL, gun; Includes item 9a



PLUG, M3 x 0.5 x 6

CUSHION 1

, retaining, air cap

(see page 23 for optional

low air flow air cap)

Y TIP

, fluid; 0.279 mm (0.01

1”) Includes item 13a. See page 30 for other part numbers

W

ASHER, non-metallic

(includes resistor)

NEEDLE, fluid; Includes item 17a

NUT

, adjustment

TUBE, fluid, nylon; Includes item 20a

WASHER, PTFE  2

, mach, hex; M4 x 0.7

, mach, cross pan hd; M5 x 12

AINER, filter

OR, fluid

TER, tip, 0.005

BALL, bearing HANDLE, gun; Includes item 32a



FITTING, air inlet

REF NO. P

34 104–765 PLUG,

37* 103–648 O-RING; Viton 2 38 181–326 VAL

39 105–681 40 181–383 41 100–172

ART NO.

DESCRIPTION QTY

pipe; hdls; 1/8–27 npt

VE, air RING, retaining, external SEAL, valve, acetal BALL; 3/16” dia.

42 107–414 SPRING, compression 2

43 179–994 RESTRICTOR 2

44 218–179 LIGHT 45 107–100 SCREW

, indicator

, ES

, cap, socket hd;

M5 x 0.8 x 12

46* 103–557 O-RING, Viton 1

47 180–713 HOUSING, valve 1

48 180–714 SCREW

49 181–328 NUT

, adjusting

, cap; No. 10–32, nylon

50 102–268 WASHER, wave 1

51 181–327 LEVER, valve 1 52 180–735 GUIDE, stem 1

53* 106–901 O-RING, PTFE 1 54 215–890 VAL

VE, air

55 107–029 SPRING, compression 1

56* 103–338 O-RING, Viton 1

57 179–391 RETAINER, spring 1

58** 180–060

59** 180–063

62 180–209 COVER, gun 63 220–614 TOOL KIT

63a 105–749 63b 177–732

63c 181–095

63d 183–107

63f 107–460

63g 218–751

75 180–143 RET

SIGN, warning, English SIGN, warning, Spanish

(not shown)

; Includes items 63a–63g



BRUSH, cleaning

WRENCH, nut, packing 1 TOOL, pressing 1



WRENCH, ball seat housing

WRENCH, barrel 1 ELECTRODES, box of 10 1

AINER, bulkhead 76 177–128 SPACER 2 77 107–400 SCREW 78** 179–791 T

, trigger

AG, warning

(not shown)

*Included in Repair Kit 218–752. See page 23.

1 1

**Extra warning tags, labels, and signs are available at no

charge

from Graco.

1 1

1 1 2

2 2

1 1

1 1 2 1 1

1 2

WARNING

When servicing use only genuine Graco replacement parts. Use of other parts or any modification of the gun could alter the grounding continuity of

gun or cause parts to rupture and result in seri

the ous injury, fire, explosion, electrostatic shock, or property

damage.

 

ACCESSORIES

Accessories must be purchased separately

Use only

NEVER your may rupture, causing serious bodily injury or property damage.

operate your equipment at a working pressure rating that is higher than the lowest rated component in

system. Lower rated components may not be able to withstand the pressure developed by the pump and

GENUINE GRACO P

WARNING

AIR LINE ACCESSORIES

Grounded Air Supply Hose

FM Approved

bar (100 psi) MAXIMUM WORKING PRESSURE

8 mm (0.315 in.) ID; 1/4 npsm(f) x 1/4 npsm(f) LH;

Color coded black

Part No. 220–444 1.8 m (6 ft)

218–100 5 m (15 ft) 218–101 8 m (25 ft) 218–102 11 m (36 ft) 218–103 15 m (50 ft) 220–119 23 m (75 ft) 220–120

Length

30.5 m (100 ft)

Grounded Air Supply Hose

FM Approved

bar (100 psi) MAXIMUM WORKING PRESSURE

8 mm (0.315 in.) ID; 1/4 npsm(f) x 1/4 npsm(f) LH;

Color coded gray; More flexible than black hose

Part No. 223–068 1.8 m (6 ft)

223–069 5 m (15 ft) 223–070 8 m (25 ft) 223–071 11 m (36 ft) 223–072 15 m (50 ft) 223–073 23 m (75 ft) 223–074

Length

30.5 m (100 ft)

ARTS AND ACCESSORIES.

Air Adapter Nipple 185–493

For connecting two or more grounded gun air supply hoses.

1/4 npt x 1/4 npsm

(left-hand thread)

High Volume Air Regulator 206–199

0–9

bar (0–125 psi) Regulated Pressure 14 bar (200 psi) Steel Pressure Gauge 1/2 npt(f) inlet and outlet

Air Pressure Regulator 104–267

bar (300 psi) MAXIMUM WORKING PRESSURE

1/2 npt(f) inlet and outlet

Air Pressure Gauge 101–180

0–14

bar (0–200 psi) Regulated Pressure

Air Filter & Moisture Separator

17.5

bar (250 psi) MAXIMUM WORKING PRESSURE

For cleaning and drying air in air spray system. 20 micron element, 5 oz. bowl capacity

106–148 3/8 npt(f) 106–149 1/2 npt(f)

Grounded Air Supply Hose

100

psi (7 bar) MAXIMUM WORKING PRESSURE

8 mm (0.315 in.) ID; 1/4 npsm(f) x 1/4 npsm(f) LH;

Color coded red; Stainless steel braid ground path

Part No. 235–068 1.8 m (6 ft)

235–069 5 m (15 ft) 235–070 8 m (25 ft) 235–071 11 m (36 ft) 235–072 15 m (50 ft) 235–073 23 m (75 ft) 235–074

Length

30.5 m (100 ft)

Quick Disconnect Coupling Assy. 110–806

FM Approved

Includes a quick disconnect coupling insert, which replaces body air

    

air inlet fitting 179–400, and

(left-hand thread)

hose.

, which connects to the grounded

a shut-of

f coupling

Air Line Lubricator

17.5

bar (250 psi) MAXIMUM WORKING PRESSURE

214–847 3/8 npt(f) 214–848 1/2 npt(f)

Bleed-type Master Air Valve 107–141

bar (300 psi) MAXIMUM WORKING PRESSURE

Relieves air trapped in the air line between the paint pump air motor and

this valve when closed. 3/4 npt

ACCESSORIES

FLUID LINE ACCESSORIES

Fluid Hose Assemblies

FM Approved

207

bar (3000 psi) MAXIMUM WORKING PRESSURE

Nylon tube, Urethane Cover

Part No.

214–700 4.8 214–701 214–699 214–698 214–697 214–638 214–635 214–636

214–629 210–540 210–541

ID Length

mm (3/16 in)

4.8 mm (3/16 in)

6.4 mm (1/4 in) 0.4 m (14 in)

6.4 mm (1/4 in)

0.61 m (2 ft)

0.91 m (3 ft)

1.8 m (6 ft)

7.6 m (25 ft)

15.2 m (50 ft)

0.6 m (2 ft)

0.9 m (3 ft)

4.6 m (15 ft)

7.6 m (25 ft)

15.2 m (50 ft)

Thread Size

1/4 npsm(f) 1/4 npsm(m x f) 1/4 npsm(f) 1/4 npsm(f) 1/4 npsm(f) 1/4 npsm(f) 1/4 npsm(f) 1/4 npsm(f) x 1/4 npt(m) 1/4 npsm(f) 1/4 npsm(f) 1/4 npsm(f)

Corrosion Resistant Fluid Hose 224–551

207

bar (3000 psi) MAXIMUM WORKING PRESSURE

PTFE

tube, SST cover

6.4 mm (1/4 in.) ID, 483 mm (19 in.) long, 1/4 npsm(f)

, SST couplings

High Pressure Ball Valves

350

bar (5000 psi) MAXIMUM WORKING PRESSURE

Install

in outlets for individual fluid line control or install in

bottom

of filter bowl as fluid drain valve.

Part No. 210–657

210–658 210–659 214–037 1/4 npt(m), PTFE seals 

Description

1/2 npt(m), V 3/8 npt(m), V 3/8 x 1/4 npt(m), V

iton iton seals

seals

iton seals

PUMP & SPRAY SYSTEM ACCESSORIES

10:1 Ratio Monark Pump 217–523

bar (950 psi) MAXIMUM WORKING PRESSURE

Pump Suction Hose 214–960 Pail Suction Tube 165–767 Drum Suction Tube 206–266 Cart 208–210

SST Fluid Pressure Regulator 222–121

105 bar (1500 psi) MAXIMUM FLUID INLET PRESSURE

10.5–84 bar (150–1200 psi) REGULA

TED PRESSURE

SST Fluid Pressure Regulator 217–576

0–70

bar (0–1000 psi) REGULA

o convert Standard Fluid Pressure Regulator 206–661 to 70 bar (1000 psi) Maximum W Pressure, order the following parts:

Part No. 501–511

101–696

Description

Compression Spring Fluid Pressure Gauge 0–70 bar (0–1000 psi) range

TED PRESSURE

orking

Fluid Filters

207

bar (3000 psi) MAXIMUM WORKING PRESSURE

Part No. 214–570

218–029

Description

With aluminum bowl and support With carbon steel bowl and support

Stainless Steel Screens

Part

No.

167–024 167–025 167–026 167–027

Description

595 micron (30 mesh) 250 micron (60 mesh) 149 micron (100 mesh 74 micron (200 mesh)

Wall Bracket 206–220 Electrostatic System 230–987

Includes

items:

Part No. 218–668

218–101 214–698 106–148

Description

Manual E/S Air-Assisted Airless Gun Grounded Air Supply Hose (See page 26 for specifications) Fluid Hose (See page 26 for specifications) Air Filter

Pro AA4000 10:1 Ratio Monark Cart System 230–984

Includes System 230–987, 10:1 Ratio Monark Pump,

and additional accessories

Cart,

Pro AA4000 10:1 Ratio Monark Pail System 230–985

Includes additional

system 230–987, 10:1 Ratio

accessories

Monark Pump, and

Pro AA4000 10:1 Ratio Monark Wall Mount System 230–986

Includes system 230–987, 10:1 Ratio Monark Pump,

Bracket, and additional accessories

Wall

 

ACCESSORIES

MISCELLANEOUS ACCESSORIES

Paint Resistance Meter 722–886

Used

with 722–860 Paint Probe to measure

resistance of paint.

Not for use in Hazardous areas.

Paint Probe 722–860

Used

with 722–886 Paint Resistance Meter to

measure resistance of paint.

Not for use in Hazardous areas.

Megohmmeter 218–979

500 Volt output; 0.01–2000 megohms

Not for use in Hazardous areas.

Gun Cover 218–374

Package

of 10 disposable gun covers.

Electrode Wires 218–751

Box

of 10 replacement electrode wires for spray tip.

Compression Spring 105–673

For

increased shut-of

component materials.

f force when spraying plural

Grounding Clamp And Wire 222–011

ga, 25 ft (7.6 m) wire

Warning Signs

FM Approved

Available Must be ordered separately

from Graco at no extra charge.

Part No. 180–060 W

180–061 W 180–062 W 180–063 W

Description

arning Sign (English) arning Sign (French) arning Sign (German) arning Sign (Spanish)

105–673

    

TECHNICAL

GRACO PHONE NUMBERS

Weight 0.87 Gun Maximum Working Fluid Pressure Maximum Working Air Pressure Voltage Air Fluid Wetted Parts Stainless Steel, Acetal, UHMW.

Delrin

the Loctite

. . . . . . . . . . . . . . . . . . . . . . . . . .

Length

Inlet

DuPont Co.

. . . . . . . . . . . . . . . . . . . .

Operating Range

. . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . .

and V

iton

are registered trademarks of

is a registered trademark of the Loctite Corp.

AIR FLOW WITH THE FAN ADJUSTMENT SET FOR THE WIDEST PATTERN AND THE TURBINE ON

. . . . . . . . . . . . . . .

Polyethylene, Nylon, Carbide,

PTFE,

310 mm (12.25 in.)

66 bar (950 psi)

. .

. . . . . .

Delrin

7 bar (100 psi)

1/4 npsm(m) L.H.



Kg (1.90 lb)

0 to 75 KV

1/4–18.6 (m).

AIR

FLOW CHART

TO PLACE AN ORDER

call this number to identify the distributor closest

tor, to

you:

FOR

TECHNICAL ASSIST

or assistance regarding the

mation equipment: 1–800–543–0339 T

, contact your Graco distribu-

1–800–328–0211 T

ANCE

service repair infor

application of Graco

oll Free

AIR CAP 223–167

AIR CONSUMPTION (SCFM)

AIR CAP 220–535

0 1020304050607080

NOTES:

Cap 223–167 requires use of Standard Restrictor

 Air  Air

Cap 220–535

 Air

flow will increase if the fan adjustment valve is opened to temporarily reduce pattern size. Flows

will

reach 24 SCFM at 80 psi (5.6 bar) with Air Cap 223–167.

GUN INLET PRESSURE (PSI)

MUST

be used with Low Air

, part no. 179–994.

Flow Restrictor Kit, part no. 223–830 (see page 23).

307-706 29

SPRAY

TIP SELECTION CHART

Part Number

219–107 219–207

219–307

219–209

219–309

219–409

219–211

219–311

219–411

219–511

219–611

Fan Width at

300 mm (12 in.)

mm (in.)

50–100 (2–4) 0.178 (0.007)

100–150 (4–6)

150–200 (6–8) 100–150 (4–6) 0.229 (0.009) 150–200 (6–8) 200–250 (8–10) 100–150 (4–6) 150–200 (6–8) 200–250 (8–10) 250–300 (10–12) 300–350 (12–14)

Orifice Size

mm (in.)

0.279 (0.01

Light to Medium

Viscosity*

ml/min

(fl oz/min)

100 (3.4)

200 (6.8)

1) 300 (10.1)

Heavy Viscosity

liters/min ((fl oz/min)

219–213

219–313

219–413

219–513

219–613

219–215

219–315

219–415

219–515

219–615

219–217

219–317

219–417

100–150 (4–6) 0.330 (0.013) 150–200 (6–8) 200–250 (8–10) 250–300 (10–12) 300–350 (12–14) 100–150 (4–6) 0.381 (0.015) 150–200 (6–8) 200–250 (8–10) 250–300 (10–12) 300–350 (12–14) 100–150 (4–6) 0.432 (0.017) 150–200 (6–8) 200–250 (8–10)

400 (13.5)

500 (16.9)

700 (23.7) 500 (16.9)

219–517

219–617

    

250–300 (10–12) 300–350 (12–14)

SPRAY

TIP SELECTION CHART

Part Number

219–319

219–419

219–519

219–619

219–719 219–421

219–521 219–621 219–721 219–821 219–423 219–523

Fan Width at

300 mm (12 in.)

mm (in.)

150–200 (6–8) 0.483 (0.019) 200–250 (8–10) 250–300 (10–12) 300–350 (12–14) 350–400 (14–16)

200–250 (8–10) 0.533 (0.021) 250–300 (10–12) 300–350 (12–14) 350–400 (14–16) 400–450 (16–18) 200–250 (8–10) 0.584 (0.023) 250–300 (10–12)

Orifice Size

mm (in.)

Light to Medium

Viscosity*

ml/min

(fl oz/min)

800 (27.0) 600 (20.3)

1000 (33.8)

1200 (40.6)

liters/min ((fl oz/min)

Heavy

Viscosity*

800 (27.0)

970 (32.8)

219–623 219–723 219–823 219–425 219–525 219–625 219–725 219–825

*Fluid Output at 41 bar (600 psi). The

fluid output (Q)

lated

by this formula:

QT = Fluid output (fl oz/min) from the above table

Where for

the selected orifice size.

300–350 (12–14) 350–400 (14–16) 400–450 (16–18) 200–250 (8–10) 0.635 (0.025) 250–300 (10–12) 300–350 (12–14) 350–400 (14–16) 400–450 (16–18)

at other pressures (P) can be calcu

Q= (0.041) (QT) (

1500 (50.7) 1200 (40.6)

NOTE: Other

)

Spray T

tips

are available on special work order

low

4 to 6 weeks for delivery

fice

size is 0.635 mm (0–025 in).

ip Selection Chart continued on next page.

. The maximum ori

. Al

307-706 31

SPRAY

TIP SELECTION CHART

Round Pattern Kits

Kit Spray–Tip Tip Part No.

222–603 222–151 222–604 222–152 0.011 (0.279) 222–605 222–153 222–606 222–154 224–045 222–159

Part No.

THE

WARRANTY

warrants all equipment manufactured by it and bearing its name to be free from defects in material and workman

Graco ship on the date of sale by an authorized Graco distributor to the original purchaser for

breach of this warranty equipment proven defective. This warranty applies only when the equipment is accordance with Graco’

, Graco

s written recommendations.

Size

in. (mm)

0.017 (0.432)

0.013 (0.330)

0.015 (0.381)

0.009 (0.229)

GRACO W

will, for a period of twelve months from the date of sale, repair or replace any part of the

ARRANTY AND DISCLAIMERS

218–695

(not included)

Kit

(see chart)

183–906

185–483

(included

Spray T

(see

185–568

for

use. As purchaser’s sole remedy

installed, operated and maintained in

chart)

with tip)

This

warranty does not cover

misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or

lation, substitution incompatibility with Graco equipment of improper

not supplied by Graco.

als This

warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor any

defective parts. The equipment will be equipment charges

DISCLAIMERS AND LIMIT

The

terms of this warranty constitute purchaser’s sole and exclusive remedy and are in lieu of any other warranties (ex press non–contractual liabilities, including product liabilities, based on negligence or strict liability. Every form of liability for direct, special or consequential damages or loss is expressly excluded and denied. In no case shall Graco’s liability exceed date

of sale.

EQUIPMENT NOT COVERED BY GRACO W

Graco pose,

items any

, of their manufacturer

these

of non–Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the

design, manufacture, installation, operation or

for verification of the claimed defect. If the claimed defect is verified, Graco will repair or replace free of charge

does not disclose any defect in material or workmanship, repairs will be made at a reasonable charge, which

may include the costs of parts, labor and transportation.

or implied),

the amount of the purchase price. Any action for breach of warranty must be brought within two (2) years of the

makes no warranty, and disclaims all implied with respect to accessories, equipment, materials, or components sold but not manufactured by Graco. These

sold, but not manufactured by Graco (such as electric motor warranties.

including warranty of merchantability or warranty of fitness for a

, and Graco shall not be liable for

structures, accessories, equipment or materials not supplied by Graco, or the

returned to the original purchaser transportation prepaid. If inspection of the

ATIONS

ARRANTY

warranties of merchantability and fitness for a particular pur

. Graco will provide purchaser with reasonable assistance in making any claim for breach of

, any malfunction, damage or wear caused by faulty

maintenance of structures, accessories, equipment or materi

particular purpose

, switches, hose, etc.) are subject to the warranty

instal

, and of any

, if

Sales

Offices:

Foreign Offices:

GRACO

    

Atlanta, Chicago, Dallas, Detroit, Los Angeles, Mt. Arlington (N.J.)

Canada; England; Switzerland; France; Germany; Hong Kong; Japan; Korea

INC. P

PRINTED

.O. BOX 1441 MINNEAPOLIS, MN 55440–1441

IN U.S.A. 307–706 12–84 Revised 1–93

Graco PRO AA4000 Instructions Manual

Specifications and Main Features

Frequently Asked Questions

User Manual