Graco 308120C Model G1265, Series B HIGH EFFICIENCY LOW PRESSURE HVLP SPRAY GUN Owner's Manual

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Graco 308120C Model G1265, Series B HIGH EFFICIENCY LOW PRESSURE HVLP SPRAY GUN Owner's Manual | Manualzz

INSTRUCTIONS–PARTS LIST

This manual contains IMPORTANT

WARNINGS AND INSTRUCTIONS

READ AND RETAIN FOR REFERENCE

Model G1265, Series B

HIGH EFFICIENCY

LOW PRESSURE

HVLP SPRAY GUN

100 psi (7 bar) MAXIMUM WORKING FLUID PRESSURE

100 psi (7 bar) MAXIMUM WORKING AIR PRESSURE

65 psi (4.5 bar) MAXIMUM COMPLIANT INBOUND AIR PRESSURE

See the Selection Charts on pages 4 and 5 for complete spray gun ordering numbers and descriptions.

TABLE OF CONTENTS

Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Typical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2

3

Selection Charts

Installation

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4, 5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7, 8

Air Flow Chart

Maintenance

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

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

9

10

Troubleshooting Chart

Service

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

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

11

12–14

Parts Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

How to Order Replacement Parts . . . . . . . . . . . . . .

17

17

Important Phone Nos.

. . . . . . . . . . . . . . . . . . . . . . . . 17

Fluid Supply and Gun Systems

Accessories

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

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

20

22, 23

Technical Data

Warranty

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

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

Back Cover

Back Cover

U.S. Patent Pending

308–120

Rev C

Supersedes B and

PCN C

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

COPYRIGHT 1991 GRACO INC.

WARNINGS

FOR PROFESSIONAL USE ONLY. OBSERVE ALL WARNINGS.

Read and understand all instruction manuals, tags, and warning labels before operating equipment.

EQUIPMENT MISUSE HAZARD

General Safety

Any misuse of the spray equipment or accessories, such as over pressurizing, modifying parts, using incompatible chemicals and fluids, or using worn or damaged parts, can cause them to rupture and result in serious bodily injury, fire, explosion or property damage.

NEVER point the spray gun at anyone or at any part of the body. NEVER put hand or fingers over the spray nozzle.

ALWAYS follow the Pressure Relief Procedure , at right, before cleaning or removing the fluid nozzle or servicing any system equipment.

NEVER try to stop or deflect leaks with your hand or body.

NEVER alter or modify any part of this equipment; doing so could cause it to malfunction.

CHECK all spray equipment regularly and repair or replace worn or damaged parts immediately.

System Pressure

This gun has a MAXIMUM FLUID WORKING PRES-

SURE of 100 psi (7 bar) and a MAXIMUM AIR WORK-

ING PRESSURE of 100 psi (7 bar). Never exceed the maximum working pressure of the gun or any other component or accessory used in the system.

Fluid Compatibility

BE SURE all fluids and solvents used are chemically compatible with the “Wetted Parts” shown in the TECH-

NICAL DATA on the back cover .

Always read the fluid and solvent manufacturer ’s literature before using the fluid or solvent in this gun.

Pressure Relief Procedure

To reduce the risk of serious bodily injury , including splashing in the eyes or on the skin or injury from moving parts, always follow this procedure when shutting off the system, when checking or servicing any part of the spray system, when installing, cleaning or changing fluid nozzles, and whenever you stop spraying.

1. Turn off the air and fluid supply to the gun.

2. Trigger the gun into a grounded metal waste container to relieve air and fluid pressure.

HOSE SAFETY

TIGHTEN all fluid connections securely before each use.

NEVER use a damaged hose. Before each use, check the entire hose for cuts, leaks, abrasion, bulging cover, or damage or movement of the hose couplings. If any of these conditions exist, replace the hose immediately.

HANDLE AND ROUTE HOSES CAREFULL Y. Do not pull on hoses to move equipment. Do not use fluids or solvents which are not compatible with the inner tube and cover of the hose.

IMPORTANT

United States Government safety standards have been adopted under the Occupational Safety and Health Act. These standards––particularly the General Standards, Part 1910 and the Construction Standards, Part 1926––should be consulted.

Gravity Cup & Adapter

224–451

13.6 oz (400 cc)

(See ACCESSORIES)

TYPICAL INSTALLATION

MODEL G1265

SPRAY GUN

(See Chart, page 4)

Air Regulator 210–613

(See ACCESSORIES)

3/8 npsm

(R3/8–19)

Fluid inlet

1/4 npsm

Air inlet

1/2 npt(f)

Filter inlet & outlet

Air Shutoff

Valve recommended

Air Filter 106–149

(See ACCESSORIES)

Pressure Cup 224–426

1 qt (0.95 liter) or

Pressure Cup with Air

Regulator 224–737

1 qt (0.95 liter)

(See ACCESSORIES) recommended

Air Hose 210–867

5/16” ID , 25 ft (7.6 m) or optional

Air Hose 185–353

3/8” ID , 25 ft (7.6 m)

(See ACCESSORIES)

Pressure Tank 171–226

2.5 gal (9.5 liter)

(See ACCESSORIES)

The Model G1265 High Efficiency Low Pressure Spray

Gun was designed to produce the highest quality finish with today’s fluids as well as the the Low V.O.C. (volatile organic compound) fluids of tomorrow.

This spray gun can spray most coatings or finishes currently being used for automotive refinish, industrial, aerospace, marine, wood, plastic and architectural applications, while easily operating from any paint delivery system, including pressure pots of any size, or remote pumps for production line operation.

Pressure Cup 214–627

2 qt (1.94 liter)

(See ACCESSORIES)

0095A

The Model G1265 Spray Gun typically utilizes 65 psi

(4.55 bar) inbound air pressure with high air volume to produce high quality paint finishes at 10 psi (0.07 bar) atomizing air pressure, with the fan pattern valve fully open.

The air regulator must have a minimum air flow capacity of 15 scfm minimum at 100 psi (7 bar) air pressure.

See the ACCESSORIES section for recommended air and fluid hoses.

Four choices of fluid sources are shown above. See

ACCESSORIES to order a fluid source or see GUN SYS-

TEMS to order a gun and fluid source system.

Complete

Gun Assy.

Part No.

224–320

224–321

224–322

224–323

224–324

224–325

224–326

SELECTION CHARTS

CHART 1: GUN ASSEMBLIES AVAILABLE

Includes:

Needle/Nozzle/Air Cap

Kit Part No.

224–310

224–311

224–312

224–313

224–314

224–315

224–316

Orifice Size

0.030”

(0.762 mm)

0.042”

(1.067 mm)

0.055”

(1.397 mm)

0.070”

(1.778 mm)

0.086”

(2.184 mm)

0.110”

(2.794 mm)

0.125”

(3.175 mm)

Material Usage

(See TERMS below)

Light Fluids or Low Fluid Flow (5–8 oz/min)

Light Fluids or Low Fluid Flow (5–8 oz/min)

Light to Medium Fluids or Low Fluid Flow

(5–8 oz/min)

Medium to Heavy Fluids or Medium Fluid

Flow (6–10 oz/min)

Heavy Fluids or Medium Fluid Flow

(6–10 oz/min)

Heavy Fluids or Medium Fluid Flow

(6–10 oz/min)

Heavy Fluids or Medium Fluid Flow

(6–10 oz/min)

TERMS:

Light Fluid: 15 to 20 seconds (No. 2 Zahn cup) -- Auto, Furniture, Appliances,

Fine Finish Metallics, Top Coats, Lacquer, Enamel Primer.

Medium Fluid: 20 to 25 seconds (No. 2 Zahn cup) -- Contact Adhesive, Latex, Maintenance

Paints, Textures, Primers, Epoxies, Vinyls, High Flow High Viscosity.

Heavy Fluid: +25 seconds (No. 2 Zahn cup) -- 2.8 Volatile Organic Compounds,

High-solid Polyurethanes, Heavy Waterborne Enamels

Selecting the Proper Needle/Nozzle/Air Cap Set

The High Efficiency Low Pressure Spray Gun’s needle/ nozzle sets range in size to provide dif ferent fluid flow rates. Chart 2 shows the recommended combinations of needle/nozzle kits and air caps.

Select from the charts on page 5, using the following guidelines.

As a general guideline, use the fluid nozzle that will give the required flow with the needle fully triggered at the lowest fluid pressure.

For low flow rates or light viscosity fluid, select the smaller nozzle sizes.

For high flow rates or high viscosity fluid, select the larger nozzle sizes.

Some applications may benefit by using an air cap that is one size larger then the needle/nozzle size that is being used. In certain applications, this may improve atomization, keep the air cap cleaner, and will decrease the pattern size. It will increase air flow, but also will decrease air pressure at the air cap.

Using an air cap size that is smaller than the nozzle/ needle size is not recommended.

NOTE: To help select the proper needle/nozzle size, a fluid pressure gauge may be connected temporarily to the gun fluid inlet to determine the fluid pressure.

Selection Problems and Solutions

PROBLEM

Fluid pressure is too high (greater than 10 psi [0.7 bar]) with gun triggered

Using a low pressure setting, the fluid flow is too high, making it necessary to restrict needle travel to reduce fluid flow.

Fluid system will not operate at low enough fluid pressure [below 10 psi

(0.7 bar)]

POSSIBLE

CAUSE

Using set with too small orifice

Using set with too large orifice

There’s no fluid regulator or air regulator is not sensitive enough

SOLUTION

Use needle/ nozzle/air cap set with larger orifice

Use needle/ nozzle/air cap set with smaller orifice

Add low pressure fluid regulator or add more sensitive air regulator on pressure pot

SELECTION CHARTS

CHART 2: NEEDLE/NOZZLE/AIR CAP KIT

Needle/Nozzle/Air Cap Kit

Part No.

224–310**

224–311

224–312

224–313

224–314

224–315

224–316

Includes:

Standard (plastic)

Needle/Nozzle

Kit Part No.

224–290

224–291

224–292

224–293

224–294

224–295

224–296

Air Cap

Part No.*

185–720

185–721

185–722

185–723

185–724

185–725

185–726

*Approximate fan width for all air cap sizes 9 to 12 in. (229 to 305 mm).

**Non-feathering

Orifice Size

0.030” (0.762 mm)

0.042” (1.067 mm)

0.055” (1.397 mm)

0.070” (1.778 mm)

0.086” (2.184 mm)

0.110” (2.794 mm)

0.125” (3.175 mm)

CHART 3: STANDARD NEEDLE/NOZZLE KIT

CHART 4:

OPTIONAL

FLUID NOZZLE

CHART 5:

OPTIONAL

NEEDLE &

NOZZLE KIT

Standard (plastic) Needle/

Nozzle

Kit Part No.

(molded)

Fluid Nozzle

Part No.***

Includes:

Standard

(plastic)

Fluid Needle

Part No.

Orifice

Size

Optional

Stainless Steel

Fluid Nozzle

Part No.

185–700

224–290

224–291

224–292

224–293

224–294

224–295

224–296

275–910

275–911

275–912

275–913

275–914

275–915

275–916

185–710**

185–710

185–712

185–713

185–714

185–715

185–716

0.030”

(0.762 mm)

0.042”

(1.067 mm)

0.055”

(1.397 mm)

0.070”

(1.778 mm)

0.086”

(2.184 mm)

0.110”

(2.794 mm)

0.125”

(3.175 mm)

185–701

185–702

185–703

185–704

185–705

185–706

**Non-feathering

***Maximum recommended torque to install molded fluid nozzle in the spray gun is

35 in-lbs (4 N m).

****Stainless steel needle can only be ordered as a matched set, with a stainless steel nozzle.

Optional

Stainless Steel

Needle & Nozzle

Kit Part No.****

223–286

223–287

223–288

223–289

223–290

223–291

223–292

Ventilate the Spray Booth

INSTALLATION

WARNING

To prevent hazardous concentrations of toxic and/or flammable vapors, spray only in a properly ventilated spray booth.

Never operate the spray gun unless ventilation fans are operating.

Check and follow all of the National, State and

Local codes regarding air exhaust velocity requirements.

2.

If your regulated air source does not have a filter , install an air and water separator (Part No. 106–149) on the air line to ensure a dry, clean air supply to the gun. Dirt and moisture can ruin the appearance of your finished workpiece.

3. You MUST install an air pressure regulator on the gun air line to control air pressure to the gun. See the

TYPICAL INSTALLATION drawing.

Connect the Fluid Line

Check and follow all local safety and fire codes.

1. Before connecting the fluid line, blow it out with air and flush it with solvent. Use solvent which is compatible with the fluid to be sprayed.

NOTE: See pages 22 and 23 for the accessories recommended to install the system.

2. Install a fluid regulator on the fluid line to control fluid pressure to the gun.

Connect the Air Line

1. Connect the air hose to the 1/4 npsm gun air inlet.

See the TYPICAL INSTALLATION drawing on page

3.

3. Connect the fluid line to the gun fluid inlet (3/8–18 npsm [R 3/8–19] compound thread).

Pattern Adjusting Valve

Air Cap

Fluid

Nozzle

Fluid Adjusting Knob

Fluid

Needle

Fluid Inlet

Air Inlet

P0708

Fig 1

OPERATION

WARNING

Pressure Relief Procedure

To reduce the risk of serious bodily injury, including splashing in the eyes or on the skin or injury from moving parts, always follow this procedure when shutting off the system, when checking or servicing any part of the spray system, when installing, cleaning or changing fluid nozzles, and whenever you stop spraying.

1. Turn off the air and fluid supply to the gun.

2. Trigger the gun into a grounded metal waste container to relieve fluid pressure.

Filter the Fluid

Filter the fluid to remove coarse particles and sediment which could clog the spray nozzle and affect the surface finish.

Select a Needle/Nozzle Set and Air Cap

Check the viscosity of your paint. Install the proper needle/nozzle set and air cap combination, selected from the charts on pages 4 and 5.

CAUTION

Trigger the gun whenever you tighten or remove the nozzle. This keeps the needle seat away from the nozzle seating surface and prevents the seat from being scratched.

When tightening the molded nozzle, DO NOT exceed 35 in-lbs (4 N m) torque. Over tightening the nozzle can cause the nozzle hex to round, can affect the spray pattern, and is unnecessary to guarantee a seal.

Position the Air Cap

Rotate the air cap as needed to achieve the desired spray pattern direction. See Fig 2. T o create a round pattern, turn the pattern air off.

1. Adjust the fluid flow by using the fluid pressure regulator installed in the fluid line.

2. The spray gun has a 100 psi (7 bar) maximum recommended inlet air pressure. Using the air pressure regulator, set the air line pressure according to the fluid manufacturer’s recommendations for a high volume, low pressure application.

NOTE: Local laws may limit the maximum pressure to

10 psi (0.7 bar) at the air cap. To have this pressure, set the gun air inlet pressure at 65 psi (4.55

bar), with the fan pattern valve fully open.

3. Adjust the pattern size by turning the pattern adjusting valve OUT (counterclockwise) for a wider pattern or IN (clockwise) for a narrower pattern .

4. To adjust the volume of fluid output: a. Turn the fluid adjusting knob out (counterclockwise) until no restriction of the trigger movement is felt. Refer to Fig 1.

b. Then adjust the air pressure at the pressure pot or pump until the desired fluid flow is obtained.

WARNING

DO NOT exceed the gun’ s 100 psi (7 bar) maximum fluid pressure. Higher pressures can cause parts to rupture and result in serious bodily injury or property damage.

c. For final adjustment, turn the fluid adjusting knob in (clockwise) to reduce the volume of fluid output and obtain the desired results.

CAUTION

Restricting the trigger and fluid needle travel by continuously spraying with the fluid adjusting knob turned in (clockwise), will cause accelerated abrasive wear on the fluid needle and wear on the trigger/air valve shaft interface.

For the best results, adjust the fluid flow at the pressure pot or pump or use a dif ferent size needle/ nozzle set and air cap combination. See the

SELECTION CHARTS on pages 4 and 5.

Vertical Pattern

Horizontal Pattern

Fig 2

Adjust the Spray Pattern

Follow these steps to establish the correct fluid flow and air flow:

NOTE: If the fluid adjusting valve is turned in all the way the gun will emit only air.

d. The fluid flow can be feathered by partially triggering the fluid needle, except when using the two smallest needle/nozzle/air cap sizes. See the charts on pages 4 and 5.

5.

For continuous spraying, leave the fluid adjusting valve in the full open position. This provides maximum fluid flow and prevents premature wear on the fluid nozzle.

6. Test the spray pattern and atomization while holding the gun about 6 to 8 inches (150 to 200 mm) from the test piece. Adjust as needed.

OPERATION

Apply the Fluid

1. To achieve the best results when applying fluid, keep the gun perpendicular to the surface and maintain a consistent distance of approximately 6 to 8 inches

(150 to 200 mm) from the object being sprayed. See

Fig 3.

2. To obtain an even finish, use smooth, even strokes across the object being sprayed with 50% overlap.

3. Paint using parallel strokes. This spray gun applies all coatings evenly without cross coating.

NOTE: To eliminate the need to shut off the air pressure at the air supply, install a quick-disconnect at the gun inlet fitting. See ACCESSORIES.

90

6–8 in.

(150–200 mm)

Fig 3

WRONG RIGHT

Air Flow Chart

14

12

NOTE: Tested with fan open

10

8

6

4

2

0

15 25 35 45 55 65 75 85

GUN INLET PRESSURE (psi)

AIR FLOW

Atomizing Air Pressure

(inlet pressure vs. atomizing pressure)

NOTE: Tested with fan open

14

12

10

8

6

4

2

0

15 25 35 45 55 65 75 85

GUN INLET PRESSURE (psi)

Gun Inlet Pressure Nominal Atomizing Pressure*

15 psi (1.05 bar) 1.5 psi (0.11 bar)

25 psi (1.75 bar)

35 psi (2.45 bar)

45 psi (3.15 bar)

2.5 psi (0.18 bar)

4.0 psi (0.28 bar)

6.0 psi (0.42 bar)

55 psi (3.85 bar)

65 psi (4.55 bar)

75 psi (5.25 bar)

85 psi (5.95 bar)

8.0 psi (0.56 bar)

10.0 psi (0.70 bar)

12.0 psi (0.84 bar)

14.5 psi (1.02 bar)

*With fan open

308-120 9

MAINTENANCE

Daily Care and Cleaning

WARNING

Pressure Relief Procedure

To reduce the risk of serious bodily injury, including splashing in the eyes or on the skin or injury from moving parts, always follow this procedure when shutting off the system, when checking or servicing any part of the spray system, when installing, cleaning or changing fluid nozzles, and whenever you stop spraying.

1. Turn off the air and fluid supply to the gun.

2. Trigger the gun into a grounded metal waste container to relieve fluid pressure.

3. Trigger the gun and remove the air cap and fluid nozzle from the gun. Soak them in solvent and scrub them with the fine, bristled brush. See ACCESSO-

RIES to order brush.

4. To clean out air cap holes, use a soft implement, such as a toothpick, to avoid damaging critical surfaces.

Clean the air cap and fluid nozzle daily , minimum.

(Some applications require more frequent cleaning.)

NOTE: If the fluid shaft is removed from the gun with dried paint (fluid) still on the needle tip end, replace the fluid seal as instructed on page 12.

5. Lubricate the gun daily, after cleaning it, at the points marked in Fig 4. Periodically lubricate the fluid needle spring (16) with lubricant 070–303 (see AC-

CESSORIES to order).

Lubricate

CAUTION

Clean all parts with a solvent compatible with the fluid being sprayed and compatible with gun wetted parts. See the Technical Data on the back page.

Methylene Chloride is not recommended as a flushing or cleaning solvent with this gun or any other device with nylon or aluminum components as it can damage these parts.

To avoid getting solvent in the gun air passages,

NEVER immerse the gun in solvent.

Hold the front of the gun down when brushing it clean with solvent to prevent dirty solvent from getting into the air passages.

1. After operation, flush the gun with a compatible solvent until all traces of paint are removed from the gun passages. Follow the Pressure Relief Procedure

Warning , above, before proceeding.

2. Wipe the outside of the gun clean with a solvent dampened cloth.

CAUTION

Trigger the gun whenever you tighten or remove the nozzle. This keeps the needle seat away from the nozzle seating surface and prevents the seat from being scratched.

Fig 4

Lubricate

P0708

TROUBLESHOOTING CHART

WARNING

Pressure Relief Procedure

To reduce the risk of serious bodily injury , including splashing in the eyes or on the skin or injury from moving parts, always follow this procedure when shutting off the system, when checking or servicing any part of the spray system, when installing, cleaning or changing fluid nozzles, and whenever you stop spraying.

1. Turn off the air and fluid supply to the gun.

2. Trigger the gun into a grounded metal waste container to relieve fluid pressure.

PROBLEM

Whistling sound coming from gun while spraying

CAUSE

Pattern valve vent hole position

Fluid flow is fluttering while spraying 1. Fluid nozzle not tight enough

2. Fluid filter clogged

3. Fluid adjusting knob not properly set

4. Baffle (item 11) installed wrong or damaged

SOLUTION

Turn pattern adjusting knob slightly in either direction

1. Tighten fluid nozzle; DO NOT exceed 35 in-lbs (4 N m) torque

2. Check fluid filter

3. Adjust the fluid adjusting knob for less feathering or use a larger size nozzle

4. Check if baf fle protrusion is properly inserted into gun insert hole; see page 14. Replace baffle if damaged

Fluid flow fades while spraying high viscosity fluids

No round pattern control

Pattern becomes off-set or heavy on ends

Fluid system will not operate at low enough fluid pressure [below 10 psi

(0.7 bar)]

1. Air hose size is too restricted for higher air flows

2. Fluid pressure too low , causing fluid to stop or reduce when gun is elevated

1. Use larger 3/8 in. ID air hose, part no. 185–353. See Accessories

2. Raise fluid pressure at source or use a smaller fluid nozzle with higher air pressure on pressure pot

Baffle (item 11) installed wrong or damaged

1. Fluid nozzle is over tightened

2. Air cap too tight

3. Air cap holes plugged

There’s no fluid regulator or air regulator is not sensitive enough

Check if baffle protrusion is properly inserted into gun insert hole; see page 14. Replace baffle if damaged

1. DO NOT exceed 35 in-lbs (4

N m) torque on nozzle. Replace nozzle if damaged

2. Loosen air cap

3. Clean air cap holes with nonmetallic item such as a toothpick

Add low pressure fluid regulator or add more sensitive air regulator on pressure pot

Air Valve Service

1.Follow the Pressure Relief Procedure W arning on page 11 to relieve fluid pressure.

NOTE: Removing the trigger will ease disassembly.

2.Trigger the gun and remove the air cap ring (12), air cap

(17), and fluid nozzle (18). See Fig 12, page 14.

3.Remove the air restrictor nut (8) and spring (16); the knob (9) will come out with it. Remove the second spring (15).

4.Hold the fluid shaft (7a) while removing the fluid needle

(19). Pull the fluid shaft out the back of the gun.

5.Push the air valve (14) out the back of the gun.

6.Clean the parts and check them for damage or wear .

Replace as necessary.

NOTE: If dried paint is found on the fluid shaft (7a), replace the fluid seal (7b) as instructed at right.

7.Install the u-cup seal (26) into the larger diameter end of the seal insertion tool (A), with the open end of the seal facing into the tool. See Fig 5.

A

SERVICE

Fluid Seal Replacement

If leakage occurs at the fluid seal area, the fluid seal (7b) or fluid shaft (7a) may be damaged or worn. Use Fluid

Seal Replacement Kit 223–304 and service as instructed below. Refer to Fig 12, page 14.

NOTE: If the fluid seal (7b) is removed, it MUST be replaced.

1.Follow the Pressure Relief Procedure W arning on page 11 to relieve fluid pressure.

NOTE: Removing the trigger will ease disassembly.

2.Remove the air cap ring (12), air cap (17), and fluid nozzle (18).

3.Remove the air restrictor nut (8) and spring (16); the knob (9) will come out with it. Remove the second spring (15).

4.Hold the fluid shaft (7a) while removing the fluid needle

(19). Pull the fluid shaft out the back of the gun.

5.Insert the packing removal tool (B) through the front of the gun and push on the fluid seal (7b) until the seal and seal retainer (7c) are pressed out of the trigger area. See Fig 7.

B

26

0529

Fig 5

8.Place the seal insertion tool (A) with the u-cup seal into the air valve’s (14) open end. Then push the seal into the valve, using the packing removal tool (B). See Fig

6.

14

A

B

0530

Fig 6

9.Lightly lubricate the fluid shaft (7a) and other parts indicated in Fig 12 with lubricant 1 11–265 (see

ACCESSORIES) and reassemble the parts.

Fig 7

0533

6.To ease installation of the fluid seal (7b), remove the trigger (3) and air valve assembly (14, 25, 26).

7.Clean the parts. Check the fluid shaft (7a) for damage or excessive wear. Replace if necessary. Lubricate the parts indicated in Fig 12 with lubricant 111–265.

Continued on page 13.

8.Install a new fluid seal (7b) and seal retainer (7c) into the gun insert, following the procedure below.

a. Carefully place the fluid seal (7b) into the smaller diameter end of the seal insertion tool (A), with the open end of the seal facing outward in the tool. See Fig 8.

SERVICE

4. Place the packing removal tool (B) through the gun’s trigger actuation area and against the air seal (27).

See Fig 10. Use a rubber mallet with the packing removal tool to drive the cartridge (6) out the back of the gun.

B

A

Fig 8

7b

0531 b. Make sure the cavity for the seal is clean of dried fluid. Place the seal insertion tool (A) into the back of the gun insert. See Fig 9. Then force the seal down into the seal cavity, using the packing removal tool (B).

B

A

Fig 10

0528

5. Install the new air seal (27) with its open end towards the back of the gun body.

6. Install the u-cup seal (30) on the cartridge, with the open end of the seal facing towards the back of the gun.

7. Apply enough force to fully seat the cartridge (6).

When the cartridge is fully inserted, the air hole in the gun handle will be completely visible. See Fig 11.

8. Lightly lubricate the parts as indicated in Fig 12 and reassemble the gun.

Fig 9

0532 c. Press the seal retainer (7c) in behind the fluid seal (7b) until a definite snap is felt.

9.Reassemble the remaining parts.

Air Valve Cartridge Removal

NOTE: The cartridge (6) cannot be removed without damaging the air seal (27). See Fig 12, page 14.

Be sure to have a replacement air seal.

1. Follow steps 1 through 4 in Air Valve Service .

2. Push the air valve (14) out the back of the gun.

3.

If the u-cup seal (26) needs to be replaced, use a dental pick to remove the retainer (25), then remove the seal. Be careful not to damage the seal lips when reinstalling it. See Fig 12, page 14.

Fig 11

AIR HOLE

6

30

0534

SERVICE

17

Torque to 25–35 in-lbs

(2.8–4.0 N m).

18

19

NOTE: Lubricate parts as indicated in Fig 12 with lubricant 111–265.

See ACCESSORIES to order.

Be sure protrusion is properly inserted into gun insert hole before tightening nozzle.

Torque to

25–35 in-lbs

(2.8–4.0 N m)

5

Check here for gun series letter marking

Optional Gun Plate

12

Lightly lubricate threads

Fig 12

11

3

24

Torque to

10–15 in-lbs

(1.1–1.7 N m).

Torque to

25–35 in-lbs

(2.8–4.0 N m)

13c

Ref No. 7

Fluid Shaft /SealAssembly

Includes items 7a–7c

7b

Open end towards front of gun

7c

10

Apply low strength adhesive.

Torque to 70–100 in-lbs

(8–11 N m).

27

Open end towards back of gun

6

30

Open end towards back of gun

25

14

Lightly lubricate

26

Open end towards back of gun

15

16

Lightly lubricate

31

Open end towards front of gun

32

8

Torque to 25–35 in-lbs

(2.8–4.0 N m).

9

Lightly lubricate threads

Lightly lubricate

7a

0995

NOTES

PARTS DRAWING

17

18

Model G1265, Series B

H.E.L.P. Spray Gun

19

12

11

24

4

3

7b

7c

Ref No. 7

Fluid Shaft/Seal Assembly

Includes items 7a–7c

10

1

5

2

Optional, to replace item 2

21

Ref No. 13

Pattern Valve Assembly

Includes items 13a–13e

13e

13d*

13c

13

13b*

13a

27

6

30

14

26

25

7a

15

16

31

32

8

9

0995

Fluid Seal Replacement Kit 223–304

Kit must be ordered separately. It includes the following parts.

REF

NO. PART NO.

DESCRIPTION

7b

7c

179–803

187–349

SEAL, fluid (orange)

RETAINER, seal

TOOL, packing removal

TOOL, seal insertion

QTY

1

1

1

1

PARTS LIST

6

7

4

5

2

3

REF

NO. PART NO.

DESCRIPTION

1 235–098

275–852

185–761

185–746

203–953

185–816

223–302

7a 224–849

7b**

7c**

8

9

185–817

185–745

10 186–970

11 275–851

12 185–759

13 224–288

13a 185–748

13b { 187–699

13c 185–747

13d* 105–456

13e 275–926

14 275–923

QTY

GUN BODY, Includes gun handle plug and fluid fitting with o-ring 1

HOOK

TRIGGER, two-finger

1

1

1 PIN, pivot; 10-24 UNC-2B

SCREW, lock; No. 10–24 UNC-2A x 0.375 in.

CARTRIDGE, valve

1

1

SHAFT/SEAL ASSEMBLY

Includes items 7a, 7b, 7c

S SHAFT ASSEMBLY, fluid

S SEAL, fluid (orange)

S RETAINER, seal

NUT, air restrictor

KNOB, fluid adjusting

1

1

1

1

1

1

1

1

1

FITTING, air inlet

BAFFLE, pattern

RING, air cap

VALVE ASSEMBLY, pattern

Includes items 13a–13e

S SCREW, air adjustment

S O-RING, split, .008;

S NUT, air adjusting

S RING, retaining

S VALVE, pattern

VALVE, air

PTFE

r

1

1

1

1

1

1

1

REF

NO. PART NO.

DESCRIPTION

15 111–291

16 110–402

17

18

19

21

24 108–382

25 { 186–968

26 { 110–455

27 { 110–405

30

31

32

33

{

{

{

275–853

110–452

110–453

110–451

187–735

SPRING, compression

SPRING, compression

AIR CAP; See charts on

QTY pages 4 and 5

FLUID NOZZLE; See charts on pages 4 and 5

FLUID NEEDLE; See charts on pages 4 and 5

SEAL, u-cup, cartridge

SEAL, u-cup, nut

O-RING; TFE propylene copolymer

WRENCH, gun

1

1

1

1

1

1

1

1

1

PLATE, gun;

To replace hook (item 2)

PLUG

RETAINER, seal 1

SEAL, u-cup (black); filled PTFE 1

SEAL, air; carbon-graphite filled PTFE 1

1

1

*Recommended “tool box” replacement parts.

**Order Fluid Seal Replacement Kit 223–304 to replace these parts. See page 16 for kit description.

{ Parts included in Series B Gun Repair Kit 235–095.

HOW TO ORDER REPLACEMENT PARTS

1. To be sure you receive the correct replacement parts, kits or accessories, always give all of the information requested in the chart below.

2. Check the parts list to identify the correct part number; do not use the ref. no. when ordering.

3. Order all parts from your nearest Graco distributor.

6 digit

Part

Number Qty Part Description

IMPORTANT PHONE NUMBERS

TO PLACE AN ORDER , contact your Graco distributor, or call this number to identify the distributor closest to you: 1–800–328–0211 Toll Free

FOR TECHNICAL ASSIST ANCE, service repair information or assistance regarding the application of Graco equipment: 1–800–543–0339 Toll Free

SERVICE INFORMATION

This manual was revised to change the parts in the chart below and change the gun series from A to B.

Assembly

Changed

Status

Gun Assy.

OLD

Series to B NEW

OLD

NEW

OLD

NEW

OLD

NEW

OLD

NEW

OLD

NEW

Ref

No.

1

1

6

6

7a

7b

7c

Part No.

Name

224–287 Gun Body

235–098 Gun Body

186–967 Cartridge

185–816 Cartridge

185–750

110–403

110–404

Shaft

Ring

Ring

7a 224–849 Shaft Assy.

7d 223–304 Seal Assy.

7b*

7c*

8

Seal

Retainer

186–969 Nut

8 185–817 Nut

13b 168–110 O-Ring

13b 187–699 O-Ring

Assembly

Changed

Status

DELETED

DELETED

OLD

NEW

OLD

NEW

OLD

NEW

OLD

NEW

ADDED

Ref

No.

Part No.

Name

22 185–758 Fitting

23 106–456 O-Ring

26 110–400 Seal

26 110–455 Seal

30 108–195 O-Ring

30 110–452 U-Cup

31 104–565 O-Ring

31 110–453 U-Cup

32 106–553 O-Ring

32 110–451 O-Ring

33 187–735 Wrench

*To replace item 7b and 7c, order Fluid Seal Replacement Kit

223–304. See page 16 for kit description.

INTERCHANGEABILITY NOTE: The NEW parts replace the

OLD parts listed directly above them.

SELECTION CHART CHANGE: Added Gun Assembly Part

Nos. 224–320, 224–321, 224–325, and 224–326 to chart on page 4.

FLUID SUPPLY AND GUN SYSTEMS CHANGE: Added

H.E.L.P. System Part Nos. 224–737. 224–728. 224–729,

224–730, 224–731 to 1 Qt (0.95 Liter) Pressure Cup, Gun, &

Air Regulator System chart on page 20.

NOTES

FLUID SUPPLY & GUN SYSTEMS

2.5 Gal (9.5 Liter) Pressure Tank & Gun System

H.E.L.P.

System

Part No.

G1265

Spray Gun

Part No.

224–423 224–321

224–424

224–425

224–322

224–323

Orifice

Size

0.042”

(1.1 mm)

0.055”

(1.4 mm)

0.070”

(1.8 mm)

Air Hose

Part No.

210–867

25’ (7.6 m)

210–867

25’ (7.6 m)

210–867

25’ (7.6 m)

Fluid

Hose

Part No.

205–142

25’ (7.6 m)

205–142

25’ (7.6 m)

205–142

25’ (7.6 m)

Pressure

Tank

Part No.

171–226

171–226

171–226

2 Qt (1.94 Liter) Pressure Cup & Gun System

H.E.L.P.

System

Part No.

224–428

224–429

224–430

G1265 Gun

Part No.

224–321

224–322

224–323

Orifice

Size

0.042”

(1.1 mm)

0.055”

(1.4 mm)

0.070”

(1.8 mm)

Pressure Cup

Part No.

214–627

214–627

214–627

1 Qt (0.95 Liter) Pressure Cup, Gun, & Air Regulator System

H.E.L.P.

System

Part No.

224–420

224–421

224–422

G1265 Gun

Part No.

224–321

224–322

224–323

Orifice

Size

0.042”

(1.1 mm)

0.055”

(1.4 mm)

0.070”

(1.8 mm)

Pressure Cup

Part No.

224–426

224–426

224–426

1 Qt Cup

Air Regulator

Assy. Part No.

224–737

224–728

224–729

224–730

224–731

224–321

224–322

224–323

224–324

0.042”

(1.1 mm)

0.055”

(1.4 mm)

0.070”

(1.8 mm)

0.086”

(2.2 mm)

223–269

223–269

223–269

223–269

223–269

224–736

224–736

224–736

224–736

224–736

NOTES

ACCESSORIES

AIR FILTER & MOISTURE

SEPARATOR 106–149

250 psi (17.5 bar) MAXIMUM WORKING PRESSURE

Removes moisture, oil, and other contaminants from the compressed air supply. 1/2 npt(fbe)

PRESSURE CUP with Cover 224–426

1 qt (0.95 liter) capacity, aluminum body.

Some assembly required. Includes:

224–419 Quart Pressure Cup Assy.

(with check valve)

111–324 Female Connector, 1/8 npt x 5/32 tube

111–328 Male Connector, 10-32 x 5/32 tube

187–169 Tubing, 5/32” OD

AIR PRESSURE REGULATOR KIT 210–613

300 psi (20 bar) MAXIMUM INLET PRESSURE

0-125 psi (0-8.75 bar) REGULATED PRESSURE RANGE

To regulate the air pressure to the gun. Includes gauge, air shutoff valve, and fittings. 1/4 npt(m)

AIR SHUTOFF VALVE 208–390

500 psi (35 bar) MAXIMUM WORKING PRESSURE

To shutoff air supply line. 1/4 npt(m)

0135

PRESSURE TANK with Cover 171–226

2.5 gal (9.5 liter) capacity, aluminum body

Includes air pressure regulator and gauge, safety relief valve, pickup tube, and rigid hook handle.

0166

PRESSURE CUP with Air Regulator 224–737

For use when very low pressure cup fluid pressures are required, independent of the gun air pressure.

1 qt (0.95 liter) capacity, aluminum body.

Some assembly required. Includes:

223–269 Quart Pressure Cup Assy.

(without check valve)

224–736 Air Regulator Assembly

0122

PRESSURE CUP with Cover 214–627

2 qt (1.94 liter) capacity, aluminum body

Includes air pressure regulator and gauge, 4 ft (1.2 m) length air and fluid hose with 1/4 npsm(f) swivel ends, safety relief valve, and rigid hook handle.

0694A

PRESSURE CUP with Double Air Regulator

235–103

1 qt (0.95 liter) capacity, aluminum body.

Some assembly required. Includes:

223–269 Quart Pressure Cup Assy.

(without check valve)

223–281 Double Air Regulator Assembly

DOUBLE AIR REGULATOR ASSY. 223–281

Includes a 0–100 psi (0–7 bar) Air Regulator for gun atomization and a 0–15 psi (0–1.05 bar) Air Regulator for the 1 qt pressure cup supply air.

0123

ACCESSORIES

Twist Lock Slip Ring

Coupler Stems

3/8 npsm

Stainless Steel

Gun Mounted

Fluid Regulators

Straight Adapters

Models

Models

3/8 npsm

208–087*

223–627*

1.0 oz

223–621*

7.0 oz

208–085*

1.5 oz

208–082*

7.5 oz

Union

Adapter

223–622*

7.0 oz

Twist Lock

204–891*

223–628*

1.3 oz

223–623*

7.3 oz

Models 214–018

223–624*

208–250 223–625*

1/4 npsm

Circulating

Adapters

GRAVITY CUP KIT 224–451

13.6 oz (400 cc) capacity, aluminum body,

3/8 npsm(f) fluid inlet

AIR HOSE ASSEMBLY 210–867

100 psi (7 bar) MAXIMUM WORKING PRESSURE

25 ft (7.625 m) long, 5/16 in. (7.94 mm) ID,

1/4 npsm(f) swivel, buna-n

AIR HOSE ASSEMBLY 185–353

100 psi (7 bar) MAXIMUM WORKING PRESSURE

Optional air hose for Model G1265 Spray Gun for use when higher air flow is required

25 ft (7.625 m) long, 3/8 in. (9.53 mm) ID,

1/4 npsm(f) swivel, buna-n

AIR HOSE QUICK-DISCONNECT

Install between gun air inlet fitting and air hose.

208–536 Coupler, 1/4 npt(f)

169–970 Nipple, 1/4 npt(m)

Models 214–019

223–626*

208–252

* Stainless Steel Models

These Models are compatible with water-base fluids

210–097

0125

CLEANING BRUSH 105–749

For use in cleaning gun

LUBRICANT 111–265

One 4 oz. (113 gr) tube sanitary (non-silicone) lubricant for fluid seals and wear areas.

FOUR-FINGER TRIGGER CONVERSION KIT

185–762

For changing from a standard two-finger trigger to a fourfinger trigger.

AIR PRESSURE VERIFICATION

KIT 224–187

For use in checking gun atomizing air pressure at various supply air pressures. NOT to be used for actual spraying.

Assemble the kit as shown in drawing below. Screw tube connector into gun’s side port. Turn on the air to the gun, then trigger the gun and read the resulting air pressure.

NOTE: To be “HVLP compliant”, the atomizing air pressure must not exceed 10 psi (0.7 bar).

Gauge accuracy is +/– 2% over the middle half of gauge scale, +/– 3% over the remainder of gauge scale.

FLUID HOSE ASSEMBLY 205–142

300 psi (21 bar) MAXIMUM WORKING PRESSURE

Nylon with neoprene cover , 0.375 in. (9.5 mm) ID,

3/8 npsm(fbe), 25 ft (7.6 m) long

TECHNICAL DATA

Weight . . . . . . . . . . . . . . . . . . . . . . . . . . .

Gun Length . . . . . . . . . . . . . . . . . . . . . .

Maximum Working Fluid Pressure

Maximum Working Air Pressure

Air Inlet

16.3 oz. (463 g)

6.39 in. (163 mm)

. . . . .

. . . . . . .

100 psi (7 bar)

100 psi (7 bar)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1/4 npsm(m)

Fluid Inlet . . .

Wetted Parts

3/8–18 npsm (R3/8–19) compound thrd.

. . . . . . . . . . . 304 Stainless Steel, Delrin

Delrin is a registered trademark of Company .

THE GRACO WARRANTY AND DISCLAIMERS

WARRANTY

Graco warrants all equipment manufactured by it and bearing its name to be free from defects in material and workmanship on the date of sale by an authorized Graco distributor to the original purchaser for use. As purchaser’s sole remedy for breach of this warranty, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment proven defective. This warranty applies only when the equipment is installed, operated and maintained in accordance with

Graco’s written recommendations.

This warranty does not cover, and Graco shall not be liable for, any malfunction, damage or wear caused by faulty installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or substitution of non–Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility with

Graco equipment of structures, accessories, equipment or materials not supplied by Graco, or the improper design, manufacture, installation, operation or maintenance of structures, accessories, equipment or materials not supplied by Graco.

This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claimed defect. If the claimed defect is verified, Graco will repair or replace free of charge any defective parts. The equipment will be returned to the original purchaser transportation prepaid. If inspection of the equipment does not disclose any defect in material or workmanship, repairs will be made at a reasonable charge, which charges may include the costs of parts, labor and transportation.

DISCLAIMERS AND LIMITATIONS

THE TERMS OF THIS WARRANTY CONSTITUTE PURCHASER’S SOLE AND EXCLUSIVE REMEDY AND ARE IN LIEU

OF ANY OTHER WARRANTIES (EXPRESS OR IMPLIED), INCLUDING WARRANTY OF MERCHANTABILITY OR WAR-

RANTY OF FITNESS FOR A PARTICULAR PURPOSE, AND OF ANY 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 THE AMOUNT OF THE PURCHASE PRICE. ANY ACTION FOR BREACH OF WARRANTY

MUST BE BROUGHT WITHIN TWO (2) YEARS OF THE DATE OF SALE.

EQUIPMENT NOT COVERED BY GRACO WARRANTY

GRACO MAKES NO WARRANTY, AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PAR-

TICULAR PURPOSE, WITH RESPECT TO ACCESSORIES, EQUIPMENT, MATERIALS, OR COMPONENTS SOLD BUT NOT MANU-

FACTURED BY GRACO.

These items sold, but not manufactured by Graco (such as electric motor, switches, hose, etc.) are subject to the warranty, if any, of their manufacturer. Graco will provide purchaser with reasonable assistance in making any claim for breach of these warranties.

Factory Branches: Atlanta, Chicago, Dallas, Detroit, Los Angeles, West Caldwell (N.J.)

Subsidiary and Affiliate Companies: Canada; England; Switzerland; France; Germany; Hong Kong; Japan;

Korea

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

PRINTED IN U.S.A. 308–120 1/91 Revised 1/92

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