Graco 965022 User manual

Instructions

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

AIRLESS SPRAY GUN

STAINLESS STEEL, PLURAL COMPONENT

3000 psi (20.7 MPa, 207 bar) Maximum Fluid Working Pressure

Model 965022

684002 Rev.G

Read warnings and instructions.

See page 17 for model numbers and maximum

working pressures.

Includes standard (non–reversing)

DripLesstTip Guard. Spray tip not

included. Order separately. (Mixer not

included in the 965022 assembly.)

TI0662

Parts

2 684002

Table of Contents

Symbols 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Warnings 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Grounding 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pressure Relief Procedure 7. . . . . . . . . . . . . . . . . . .

Operation 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pressure Relief Procedure 9. . . . . . . . . . . . . . . . . . .

Gun Safety Latch 9. . . . . . . . . . . . . . . . . . . . . . . . . . .

Tip Guard 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Trigger Guard 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Adjusting the Spray Pattern 10. . . . . . . . . . . . . . . . .

Cleaning and Clearing the Spray Tip 10. . . . . . . . . .

Flushing the Gun 11. . . . . . . . . . . . . . . . . . . . . . . . . .

Service 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Needle Replacement 11. . . . . . . . . . . . . . . . . . . . . . .

Reassembly 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Adjusting the Needles 12. . . . . . . . . . . . . . . . . . . . . .

Hose Safety 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Repair Kit 949097 15. . . . . . . . . . . . . . . . . . . . . . . . . .

Accessories 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Static Mixers 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

How to Order 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Technical Data 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Graco Standard Warranty 18. . . . . . . . . . . . . . . . . . . . .

Graco Phone Number 18. . . . . . . . . . . . . . . . . . . . . . . .

Symbols

Warning Symbol

WARNING

This symbol alerts you to the possibility of serious

injury or death if you do not follow the instructions.

Caution Symbol

CAUTION

This symbol alerts you to the possibility of damage to

or destruction of equipment if you do not follow the

instructions.

684002 3

Warnings

WARNING

PLURAL COMPONENT MATERIALS HAZARD

Graco Inc. does not manufacture or supply any of the reactive chemical components that are used in this equip-

ment and is not responsible for their effects. Because of the vast number of chemicals that could be used and

their varying chemical reactions, the buyer and user of this equipment should determine all facts relating to the

materials used, including any of the potential hazards involved. Particular inquiry and investigation should be

made into potential dangers relating to toxic fumes, fires, explosions, reaction times and exposure of human

beings to the individual components or their resultant mixtures.

Graco assumes no responsibility for loss, damage, expense or claims for bodily injury or property damage, direct

or consequential, arising from use of such chemical components.

WARNING

INSTRUCTIONS

EQUIPMENT MISUSE HAZARD

Equipment misuse can cause the equipment to rupture, malfunction, or start unexpectedly and

result in serious injury.

DThis equipment is for professional use only.

DRead all instruction manuals, warnings, tags, and labels before operating the equipment.

DUse the equipment only for its intended purpose. If you are uncertain about usage, call your

Graco distributor.

DDo not alter or modify this equipment. Use only genuine Graco parts and accessories.

DCheck the equipment daily. Repair or replace worn or damaged parts immediately.

DNever exceed the recommended working pressure or the maximum air inlet pressure stated on

your pump or in the Technical Data on page 17.

DBe sure that all spray/dispensing equipment and accessories are rated to withstand the maxi-

mum working pressure of the pump. Do not exceed the maximum working pressure of any

component or accessory used in the system.

DRoute the hoses away from the traffic areas, sharp edges, moving parts, and hot surfaces. Do

not expose Graco hoses to temperatures above 82°C (180°F) or below -40°C (-40°F).

DDo not use the hoses to pull the equipment.

DUse fluids and solvents that are chemically compatible with the equipment wetted parts. See

the Technical Data sections of all the equipment manuals. Always read the material manufac-

turer’s literature before using fluid or solvent in this pump.

DAlways wear protective eyewear, gloves, clothing, and respirator as recommended by the fluid

and solvent manufacturers.

DWear hearing protection when operating this equipment.

DComply with all applicable local, state and national fire, electrical and other safety regulations.

4 684002

Warnings

WARNING

FIRE AND EXPLOSION HAZARD

Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and

result in a fire or explosion and serious injury.

DGround the equipment and the object being sprayed. Refer to Grounding on page 6.

DIf there is any static sparking or you feel an electric shock while using this equipment, stop dis-

pensing immediately. Do not use the equipment until you identify and correct the problem.

DProvide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid

being dispensed.

DKeep the dispense area free of debris, including solvent, rags, and gasoline.

DExtinguish all open flames or pilot lights in the dispense area.

DDo not smoke in the dispense area.

DDo not turn on or off any light switch in the dispense area while operating or if fumes are present.

DDo not operate a gasoline engine in the dispense area.

TOXIC FLUID HAZARD

Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin,

inhaled, or swallowed.

DKnow the specific hazards of the fluid you are using.

DStore hazardous fluid in an approved container. Dispose of hazardous fluid according to all local,

state and national guidelines.

DAlways wear protective eyewear, gloves, clothing and respirator as recommended by the fluid and

solvent manufacturer.

684002 5

Warnings

WARNING

MOVING PARTS HAZARD

Moving parts, such as the piston in the air motor, can pinch or amputate your fingers.

DKeep clear of all moving parts when starting or operating the sprayer.

DBefore servicing the equipment, follow the Pressure Relief Procedure on page 7 to prevent the

equipment from starting unexpectedly.

DKeep hands and fingers away from the moving parts during operation.

INJECTION HAZARD

Spray from the spray gun, hose leaks, or ruptured components can inject fluid into your body and

cause extremely serious injury, including the need for amputation. Splashing fluid in the eyes or on the

skin can also cause serious injury.

DFluid injected into the skin might look like just a cut, but it is a serious injury. Get immediate medi-

cal attention. Tell the doctor EXACTLY what fluid was injected.

DDo not point the gun/valve at anyone or at any part of the body.

DDo not put your hand or fingers over the spray tip/nozzle.

DDo not stop or deflect fluid leaks with your hand, body, glove, or rag.

DAlways have the trigger guard on the gun when dispensing.

DCheck the gun diffuser operation weekly. Refer to the gun manual.

DBe s re the g n/valve trigger safety o

erates before dis

ensing

e sure

e gun

gger sa

y opera

ore

spens

ng.

DLock the gun/valve trigger safety when you stop dispensing.

DFollow the Pressure Relief Procedure on page 7 if the nozzle clogs, and before cleaning, check-

ing or servicing the equipment.

DTighten all fluid connections before operating the equipment.

DCheck the hoses, tubes, and couplings daily. Replace worn, damaged, or loose parts immediately.

Do not repair high pressure couplings; you must replace the entire hose.

DFluid hoses must have spring guards on both ends, to help protect them from rupture caused by

kinks or bends near the couplings.

6 684002

Installation

Ground The System

To reduce the risk of static sparking, ground the pump

and all the spray equipment used or located in the

spray area. CHECK your local electrical code for

detailed grounding instruction for your area and type of

equipment. BE SURE to ground the system as

instructed here and in the individual component manu-

als.

WARNING

FIRE AND EXPLOSION HAZARD

To reduce the risk of a fire, explosion,

and serious injury, proper electrical

grounding of every part of your system is

essential. Read the warning section,

FIRE AND EXPLOSION HAZARD, on

page 4 and follow the grounding

instructions below.

The following grounding instructions are minimum

requirements for a basic dispensing system. Your

system may include other equipment or objects which

must be grounded. Check your local electrical code

for detailed grounding instructions for your area and

type of equipment. Your system must be connected to

a true earth ground.

1. Pump: connect a ground wire and clamp to a true

earth ground as shown in separate pump manual.

2. Applicator: obtain grounding through the motor

cable assembly.

3. Fluid and air hoses: use only electrically conduc-

tive material and air hoses.

4. Dispense gun: obtain grounding through the con-

nection of the hose, or cable.

5. Air compressor: follow the manufacturer’s recom-

mendations.

6. Object being sprayed: according to local code.

7. Fluid supply container: according to local code.

WARNING

SPRAY GUN AND DISPENSING VALVE SAFETY

DEVICES

Be sure all 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..

NOTE: Read this manual thoroughly before installing

the flow gun.

684002 7

Installation

Pressure Relief Procedure

This procedure describes how to relieve pressure for

the pistol grip flow gun. Use this procedure whenever

you shut off the flow gun and before checking or

adjusting any part of the gun, to reduce the risk of

serious injury.

WARNING

INJECTION HAZARD

The system pressure must be manually

relieved to prevent the system from

starting or spraying accidentally. Fluid

under high pressure can be injected through the

skin and cause a serious injury. To reduce the risk

of an injury from injection, splashing fluid, moving

parts, or electric shock follow the Pressure Relief

Procedure whenever you:

Dshut off the sprayer,

Dare instructed to relieve the pressure,

Dstop dispensing,

Dcheck or service any of the system equipment,

Dor install or clean the nozzle.

1. Engage the gun safety latch.

2. Shut off the fluid supply to the flow gun.

3. Disengage the gun safety latch.

4. Place a waste container beneath the nozzle to

catch the drainage.

5. Actuate the flow gun. Wait until the fluid stops

flowing from the hose and gun.

6. Shut off power to the fluid supply system.

If you suspect that the nozzle or hose is completely

clogged, or that pressure has not been fully relieved

after following the steps above, very slowly loosen the

nozzle or hose end coupling to relieve pressure gradu-

ally, then loosen completely. Now clear the nozzle or

hose.

8 684002

Installation

NOTE: Numbers and letters in parentheses in the

text correspond to the reference numbers and

letters in the drawings and parts list.

WARNING

Be sure your system has a bleed–type

master air valve (pneumatic pumps only)

and a fluid drain valve. These two ac-

cessories help to reduce the risk of a serious injury,

including fluid injection or splashing in the eyes or

on the skin, or injury from moving parts, if you are

adjusting or repairing the pump or gun.

INJECTION HAZARD

Basic Guidelines

The bleed–type master air valve relieves air trapped

between this valve and the pump after the air regulator

s shut off. Trapped air can cause the pump to cycle

unexpectedly.

The fluid drain valve assists in relieving fluid pressure

in the displacement pump hose and gun; triggering the

gun to relieve pressure may not be sufficient.

NOTE: Whenever you stop spraying for a

moment, engage the gun safety latch. See Figure

Fig. 1

TI0660

Safety latch

disengaged or

in OFF

SAFE position

Safety latch

engaged or

in ON

SAFE position

1. Connect the grounded fluid hoses to the gun inlets.

2. With no tip installed, start the pump/sprayer. Flush

it according to the instructions supplied with it.

Prime the sprayer with the fluid you are using.

3. Follow the Pressure Relief Procedure described on

page 7.

4. With the gun safety latch engaged, unscrew the tip

guard (23) and install the tip and gasket (51) in the

back of the tip guard. Screw the assembly firmly

onto the mixer. Install o–ring (10) into nut of the

mixer. Screw and assemble firmly onto the gun.

Tighten both connections with a wrench. See

Figure 2.

NOTE: Failure to install the tip gasket (51) when

using a flat tip (only) will result in leaking.

5. Strain the fluid you are spraying if it contains

particles which could clog the spray tip.

Fig. 2

684002 9

Operation

WARNING

SYSTEM PRESSURE

DO NOT exceed 3000 PSI (210 bar) MAXIMUM

WORKING PRESSURE to the gun. Be sure all

accessory items and system components are rated

to withstand the pressure developed. NEVER

exceed the pressure rating of any component in the

system.

WARNING

PRESSURIZED EQUIPMENT HAZARD

To reduce the risk of serious injury, including fluid

injection or splashing in the eyes or on the skin,

always follow the Pressure Relief Procedure

described below before checking, servicing, instal-

ling, removing, changing or cleaning spray tips or

any part of the gun or system.

WARNING

WARNING CARD

The wallet–sized warning provided with this gun

should be kept with the operator at all times. The

card contains important treatment information

should an injection injury occur. Additional cards

are available at no charge from Graco Inc.

Pressure Relief Procedure

1. Start the pump. Adjust the fluid pressure so the

spray is completely atomized. Always use the

lowest pressure necessary to get the desired

results. Higher pressure may not improve the

spray pattern and will cause premature tip and

pump wear.

2. If adjusting the pressure does not give a good

spray pattern, try another tip size. Be sure to

relieve pressure completely before changing tips.

3. Use a full–open, full–close trigger action. Hold the

gun for about 14”(350 mm) from and at right

angles to the work surface. Don’t swing the gun in

an arc. Practice to find the best length and speed

of stroke.

Gun Safety Latch

Whenever you stop spraying, even for a moment,

always set the gun safety latch in the closed or “safe”

position, making the gun inoperative. Failure to set the

safety latch can result in accidental triggering of the

gun.

Tip Guard

ALWAYS have the tip guard in place on the gun while

spraying. The tip guard alerts you to the fluid injection

hazard and help 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 trig-

gering the gun if it is dropped or bumped.

10 684002

Operation

Adjust the Spray Pattern

1. To adjust the spray pattern direction, follow the

Pressure Relief Procedure. Engage the safety

latch and loosen the tip guard retaining nut. Turn

the spry tip so the groove is horizontal for a hori-

zontal spray pattern, and vertical for a vertical

spray pattern. Tighten the nut.

2. The spray tip orifice size and spray angle deter-

mine the coverage and size of pattern. When

more coverage is needed, use a larger spray tip

rather than increasing the fluid pressure.

WARNING

INJECTION HAZARD

To reduce the risk of serious injury by

fluid injection or splashing in the eyes or

on the skin, NEVER use the gun with the

tip guard removed.

CAUTION

Openings in the tip guard are designed to reduce

material buildup on the guard while spraying. Any

damage to the sharp edges of the openings causes

paint to collect at that area. To reduce the risk of

damage, never hang the gun by the tip guard.

Cleaning and Clearing the Spray Tip

WARNING

To reduce the risk of a fluid injection or

splashing in the eyes or on the skin, DO

NOT hold your hand, body, or a rag in

front of the spray tip when cleaning or checking a

clogged tip. Always point the gun toward the

ground or into a waste container when checking to

see if the spray tip is cleared.

INJECTION HAZARD

DO NOT try to “blow back”paint; this is NOT an

air spray gun.

DO NOT wipe fluid build–up off the gun or spray

tip until the pressure is relieved. See the Pressure

Relief Procedure.

Clean off the front of the tip frequently during the day’s

operation and at the end of the work day. Always

follow the Pressure Relief Procedure on page 9.

Then use a solvent soaked brush to clean the spray tip

and to keep fluid buildup from drying and clogging the

spray tip.

If the spray tip clogs while spraying, release the spray

gun trigger, engage the trigger safety, shut off the

pump, and follow the Pressure Relief Procedure on

page 9. Then remove the spray tip and blow out the

obstruction with air from the front of the spray tip, or let

the spray tip and gun nozzle soak long enough to

dissolve the obstruction. If it won’t dissolve, jar it out

by tapping the back of the spray tip against a flat

surface.

CAUTION

NEVER soak the entire gun in solvent. Prolonged

exposure to solvent can ruin the packings.

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