Graco PerformAA 26B570 User manual

Instructions - Parts

Air assist spray guns for fine finish application of various solventborne and waterborne

paints and coatings. For professional use only.

4000 psi (28 MPa, 280 bar) maximum working fluid pressure.

100 psi (0.7 MPa, 7 bar) maximum working air pressure.

See page 3 for model information.

Important Safety Instructions

Read all warnings and instructions in this

manual before using the equipment.

Save these instructions.

Important Medical Information

Read the medical alert card provided with

the gun. It contains injection injury

treatment information for a doctor. Keep it

with you when operating the equipment.

3A8553A

PerformAA™Auto Air

Assist Spray Guns

TI8087b

Model 26B570 Spray Gun

shown mounted on Model

288217 Manifold

II 2 G Ex h IIB T6 Gb

2 3A8553A

Contents

Models. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Warnings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

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

Ventilate the Spray Booth . . . . . . . . . . . . . . . . . . 6

Configure Gun and Manifold . . . . . . . . . . . . . . . . 6

Install Air Fittings . . . . . . . . . . . . . . . . . . . . . . . . . 7

Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Mount Gun . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Connect Air Line . . . . . . . . . . . . . . . . . . . . . . . . . 9

Connect Fluid Hose . . . . . . . . . . . . . . . . . . . . . . 10

Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Flush Before Using . . . . . . . . . . . . . . . . . . . . . . 11

Select a Spray Tip and Air Cap . . . . . . . . . . . . . 11

Install a Spray Tip . . . . . . . . . . . . . . . . . . . . . . . 11

Position the Air Cap . . . . . . . . . . . . . . . . . . . . . . 11

Air Cap Alignment Pin . . . . . . . . . . . . . . . . . . . . 12

Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Pressure Relief Procedure. . . . . . . . . . . . . . . . . 13

Adjust the Spray Pattern . . . . . . . . . . . . . . . . . . 13

Spray Finishing Application . . . . . . . . . . . . . . . . 14

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Daily Gun Care . . . . . . . . . . . . . . . . . . . . . . . . . 16

General System Maintenance . . . . . . . . . . . . . . 16

Flushing and Cleaning . . . . . . . . . . . . . . . . . . . . 16

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

General Troubleshooting . . . . . . . . . . . . . . . . . . 19

Spray Pattern Troubleshooting. . . . . . . . . . . . . . 21

Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Disassembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Diffuser Seat Replacement. . . . . . . . . . . . . . . . . 24

Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Compatible Air Assist Manifolds. . . . . . . . . . . . . . 27

Spray Tip Selection Charts . . . . . . . . . . . . . . . . . . 31

Air Cap Selection Chart . . . . . . . . . . . . . . . . . . . . . 35

Kits and Accessories . . . . . . . . . . . . . . . . . . . . . . . 36

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Mounting Hole Layout . . . . . . . . . . . . . . . . . . . . . . 39

Manifolds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Technical Specifications . . . . . . . . . . . . . . . . . . . . 45

California Proposition 65 . . . . . . . . . . . . . . . . . . . . 46

Air Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 48

Models

3A8553A 3

Models

PerformAA Auto Air Assist

Models

Gun includes carbide seat and ball, indexing air cap,

and choice of AXP spray tip (unless otherwise noted).

A manifold is required to install and operate the spray

gun. Manifolds are sold separately. See Gun

Manifolds, page 37.

Model Air Cap Air Cap Part No.

26B570 General Finishing

(GF) 2GF042

26B571 Lacquer (WL) 2WL042

26B572* General Finishing

(GF) 2GF042

26B573‡ Reverse-A-Clean®

(RAC) 249478

26B574 Low Viscosity (LV) 2LV042

26B575 Waterborne (WB) 2WB042

26B576 Quick Drying (QD) 2QD042

26B577 High Viscosity (HV) 2HV042

*Gun with a plastic seat, SST ball; designed to

handle low viscosity, non-abrasive or acid-catalyzed

material.

‡ Includes choice of LTX or FFLP Reverse-a-Clean

(RAC) Spray Tip.

Warnings

4 3A8553A

Warnings

The following are general warnings related to the setup, use, grounding, maintenance, and repair of this equipment.

Additional, more specific warnings may be found throughout the body of this manual where applicable. Symbols that

appear in the body of the manual refer to these general warnings. When these symbols appear throughout the

manual, refer back to these pages for a description of the specific hazard.

WARNING

FIRE AND EXPLOSION HAZARD

Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. Paint or

solvent flowing through the equipment can cause static sparking. To help prevent fire and explosion:

• Use equipment only in well-ventilated area.

• Eliminateall ignition sources;suchas pilot lights,cigarettes, portable electriclamps,and plastic drop

cloths (potential static sparking).

• Ground all equipment in the work area. See Grounding, instructions.

• Never spray or flush solvent at high pressure.

• Keep work area free of debris, including solvent, rags and gasoline.

• Do not plug or unplug power cords, or turn power or light switches on or off when flammable fumes

are present.

• Use only grounded hoses.

• Hold gun firmly to side of grounded pail when triggering into pail. Do not use pail liners unless they

are anti-static or conductive.

•Stopoperationimmediatelyifstaticsparkingoccursoryoufeelashock.Donotuseequipmentuntil

you identify and correct the problem.

• Keep a working fire extinguisher in the work area.

SKIN INJECTION HAZARD

High-pressure fluid from dispensing device, hose leaks, or ruptured components will pierce skin. This

may look like just a cut, but it is a serious injury that can result in amputation. Get immediate surgical

treatment.

• Do not point dispensing device at anyone or at any part of the body.

• Do not put your hand over the fluid outlet.

• Do not stop or deflect leaks with your hand, body, glove, or rag.

• Followthe Pressure Relief Procedure,when youstopdispensing andbefore cleaning,checking, or

servicing equipment.

• Tighten all fluid connections before operating the equipment.

• Check hoses and couplings daily. Replace worn or damaged parts immediately.

TOXIC FLUID OR FUMES HAZARD

Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin, inhaled, or

swallowed.

• Read Safety Data Sheets (SDSs) to know the specific hazards of the fluids you are using.

• Store hazardous fluid in approved containers, and dispose of it according to applicable guidelines.

Warnings

3A8553A 5

EQUIPMENT MISUSE HAZARD

Misuse can cause death or serious injury.

• Do not operate the unit when fatigued or under the influence of drugs or alcohol.

• Do not exceed the maximum working pressure or temperature rating of the lowest rated system

component. See Technical Specifications in all equipment manuals.

• Use fluids and solvents that are compatible with equipment wetted parts. See Technical

Specifications in all equipment manuals. Read fluid and solvent manufacturer’s warnings. For

complete information about your material, request Safety Data Sheets (SDSs) from distributor or

retailer.

• Turn off all equipment and follow the Pressure Relief Procedure, when equipment is not in use.

• Check equipment daily. Repair or replace worn or damaged parts immediately with genuine

manufacturer’s replacement parts only.

• Donot alterormodify equipment.Alterations ormodificationsmay voidagency approvalsandcreate

safety hazards.

• Make sure all equipment is rated and approved for the environment in which you are using it.

• Use equipment only for its intended purpose. Call your distributor for information.

• Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.

• Do not kink or over bend hoses or use hoses to pull equipment.

• Keep children and animals away from work area.

• Comply with all applicable safety regulations.

PERSONAL PROTECTIVE EQUIPMENT

Wear appropriate protective equipment when in the work area to help prevent serious injury, including

eye injury, hearing loss, inhalation of toxic fumes, and burns. Protective equipment includes but is not

limited to:

• Protective eyewear, and hearing protection.

• Respirators, protective clothing, and gloves as recommended by the fluid and solvent manufacturer.

WARNING

Installation

6 3A8553A

Installation

Ventilate the Spray Booth

The spray booth must have a ventilation system.

Electrically interlock the gun fluid supply with the

ventilators to prevent gun operation any time that the

ventilation air flow falls below minimum values. Check

and follow all local codes and regulations regarding air

exhaust velocity requirements. Verify the operation of

the interlock at least once a year.

Configure Gun and Manifold

The gun is supplied with an internal fluid plug and seals

(5, 6, 7). To use the gun in a circulating system, remove

the internal plug. In a non-circulating system, leave the

plug in place to minimize flush time.

Circulating System

1. Apply anti-seize lubricant 222955 to the threads and

mating faces of the manifold (101) and the elbows

(107), supplied unassembled.

2. Install the elbows (107) in both fluid ports of the

manifold (101).

3. Connect the fluid supply hose to one elbow and the

fluid return hose to the other. The manifold fluid

ports are reversible.

4. Install the gun on the manifold, using the four

screws (17). Start the threads of all four screws, and

tighten the front two screws first, and then tighten

the back two screws to 65 in-lb (7.3 N•m).

Non-circulating System

1. See FIG. 1. Apply anti-seize lubricant 222955 to the

threads and mating faces of the manifold (101), plug

(109), and elbow (107), supplied unassembled.

2. Install an elbow (107) in one fluid port of the

manifold (101), and a plug (109) in the other port.

3. Install the internal plug (5) in the gun fluid port on

the same side as the manifold plug.

4. Connect the fluid supply hose to the manifold elbow

(107).

5. Install the gun on the manifold, using the four

screws (17). Start the threads of all four screws, and

tighten the front two screws first, and then tighten

the back two screws to 65 in-lb (7.3 N•m).

Do not operate the gun unless ventilating air flow is

above the minimum required value. Provide fresh air

ventilation to avoid the buildup of flammable or toxic

vapors when spraying, flushing, or cleaning the gun.

Interlock the gun fluid supply to prevent operation

unless ventilating air flow is above the minimum

required value.

FIG. 1: Non-Circulating Setup Shown (cutaway view)

Remove when used in circulating systems.

Replace with a reducing nipple (107) when used in circulating

systems.

Install optional filter in fluid inlet port. See Kits and

Accessories, page 37.

101

107

109

TI8587b

Installation

3A8553A 7

Install Air Fittings

1. Install the supplied 1/4 in. (6 mm) tube fitting into the

cylinder (CYL) air port.

2. Install 3/8 in. (8 mm) tube fittings into the atomiza-

tion (ATOM) air port and the fan (FAN) air port.

Grounding

The following grounding instructions are minimum

requirements for a system. Your system may include

other equipment or objects that 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.

Spray Gun: Ground the spray gun by mounting it to a

grounded mount, such as a reciprocator, robot, or

stationary support, and connect it to a properly

grounded fluid hose and pump.

Pump: Ground the pump by connecting a ground wire

and clamp between the pump and a true earth ground

as instructed in your separate pump instruction manual.

Air Compressors and Hydraulic Power Supplies:

Ground air compressors and hydraulic power supplies

according to the manufacturer recommendations.

Air, Fluid, and Hydraulic Hoses Connected To

Pump: Use only electrically conductive hoses with a

maximum of 100 ft (30.5 m) combined hose length to

ensure grounding continuity. Check the electrical

resistance of your air and fluid hoses at least once a

week. If the total resistance to ground exceeds 25

megohms, replace the hose immediately. Use a meter

that is capable of measuring resistance at this level.

Fluid Supply Container: Ground the fluid supply

container according to local code.

Object Being Sprayed: Ground the object that is being

sprayed according to local code.

Solvent Pails: Ground all solvent pails that are used

when flushing according to local code. Use only metal

pails, which are conductive. Do not place the pail on a

non-conductive surface, such as paper or cardboard,

which interrupts the grounding continuity.

FIG. 2: Air fittings installation

The equipment must be grounded to reduce the risk

of static sparking. Static sparking can cause fumes to

ignite or explode. Grounding provides an escape wire

for the electric current.

CYL

ATOM

FAN TI8211a

Installation

8 3A8553A

Mount Gun

Reciprocating Arm Rod Mount

To mount the gun on a reciprocating arm rod [0.5 in. (13

mm) diameter maximum]:

1. Insert the mounting bar (A) through the hole in the

manifold as shown in FIG. 3.

NOTE: Use the 1/8 in. alignment pin (P) to assist in

orienting the gun.

2. Secure the gun to the bar by tightening the

mounting screw (B).

Stationary Support

To mount the gun on a stationary support (refer to FIG.

4. and to Mounting Hole Layout, page 40):

1. Align the manifold with the alignment pins. Locate

alignment pins and holes per the Mounting Hole

Layout illustration, page 40.

2. Secure the gun to the support with two M5 x 0.8

capscrews (S). The screws must be long enough to

engage the threaded holes in the gun manifold to a

depth of 1/4 in. (6 mm).

Retrofit Adapter Plate

The retrofit adapter plate enables the manifold to be

attached to a variety of bolt patterns.

To mount the gun using the retrofit adapter plate (kit

288197):

1. Mount adapter plate to manifold using the three

screws provided with the kit (FIG. 5).

2. Bolt plate to mounting surface using four M5 x 0.8

capscrews. Refer to the Mounting Hole Layout,

page 40.

FIG. 3: Reciprocating Arm Mount

ATI8120a

FIG. 4: Stationary Support Mount

FIG. 5: Retrofit Adapter Plate

STI8121a

TI8180a

Installation

3A8553A 9

Connect Air Line

1. Install an air/water separator and an air line filter to

ensure a clean, dry air supply to the gun. Dirt and

moisture in the line can ruin the appearance of your

finished piece.

2. Install an air pressure regulator on each gun air

supply line.

3. For manifolds with separate fan and atomization

ports, the gun cylinder, fan, and atomization air

must be supplied and regulated separately. For

adjustable manifolds with a manual valve, only one

supply line is required for both atomization and fan

air.

NOTE: A minimum of 50 psi (0.34 MPa, 3.4 bar) air

pressure must be supplied to the cylinder for proper

operation. Set the atomization air as needed for

complete atomization of the entire pattern. The tip size

is the primary controller of the pattern size. Use the fan

air only as needed to slightly adjust the pattern size.

4. Install a bleed-type master air shutoff valve on the

main air line. Install an additional bleed-type valve

on each pump air supply line, downstream of the

pump air regulator, to relieve air trapped between

this valve and the pump after the air regulator is

shut off.

5. Install a bleed-type air shutoff valve on each gun air

supply line, downstream of the gun air regulator, to

shut off air to the gun.

6. For manifolds with separate fan and atomization

ports, connect a separate air supply line to the gun

atomizing air inlet (D) and cylinder air inlet (C).

Connect an air supply line to the fan air inlet (E) if

desired. See FIG. 6. For manifolds with a manual fan

valve, only one supply line is required for both

atomization and fan air.

NOTE: The gun atomizing and fan air inlets are 3/8 in.

(9.5 mm) O.D. tubing compatible. The cylinder air inlet

accepts 1/4 in. (6.3 mm) O.D. tubing.

Trapped air can cause the gun to spray unexpectedly,

which could result in serious injury including splashing

fluid in the eyes or on the skin. Install bleed-type air

shutoff valves.

Installation

10 3A8553A

Connect Fluid Hose

NOTE: A fluid drain valve(s) is required in your system

to assist in relieving fluid pressure in the displacement

pump, hose and gun; triggering the gun to relieve

pressure may not be sufficient.

NOTE: A fluid pressure regulator must be installed in

the system if the pump's maximum working pressure

exceeds the gun's maximum fluid working pressure (see

the front cover).

Before connecting the fluid hose, blow it out with air and

flush it with solvent. Use solvent that is compatible with

the fluid to be sprayed.

1. Install a fluid filter and drain valve(s) close to the

pump's fluid outlet.

2. Install a fluid pressure regulator to control fluid

pressure to the gun.

NOTE: Some applications require fine-tuned control of

fluid pressure. You can control fluid pressure more

accurately with a fluid pressure regulator than by

regulating the air pressure to the pump.

3. Install a fluid shutoff valve to shut off the fluid supply

to the gun.

4. Install an in-line fluid filter on the gun fluid inlet (F) to

avoid clogging the spray tip with particles from the

fluid. See FIG. 6.

5. In a circulating system, connect a grounded fluid

supply hose to the gun fluid fitting. Connect a

grounded return hose to the other port.

In a non-circulating system, remove the gun fluid

outlet fitting (G) and plug the outlet port with the pipe

plug (109) supplied.

FAN ATOM

CYL

Cylinder Air Inlet: accepts 1/4 in. (6.3 mm) O.D. tubing

Atomization Air Inlet: 1/4-18.6 npsm

Fan Air Inlet: 1/4-18.6 npsm

Fluid Inlet: 1/4-18 nptf or #5 JIC (1/2-20 unf)

Fluid Outlet (circulating gun only): 1/4-18 nptf or #5 JIC

(1/2-20 unf)

KEY

CF (or G)

G (or F)

TI8113a

FIG. 6: Side Mounted Air Assist Manifold Ports

This manual suits for next models

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