SG20 Airless Spray Gun with RAC V Tip

Models: 24A448

313250A

Maximum Working Pressure: 3600 psi (248 bar, 24.8 MPa)

IMPORTANT SAFETY INSTRUCTIONS. Refer to your sprayer instruction manual for Pressure Relief, priming and spray instructions. Keep these instructions.

ti12661a

-

For the application of architectural paints and coatings -

The following Warnings are for the setup, use, grounding, maintenance and repair of this equipment. The exclamation point symbol alerts you to a general warning and hazard symbols refer to procedure-specific risks. Refer back to these Warnings.

Additional, product-specific warnings may be found throughout the body of this manual where applicable.

WARNINGS

SKIN INJECTION HAZARD

High-pressure fluid from gun, 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 gun at anyone or at any part of the body.

• Do not put your hand over the spray tip.

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

• Do not spray without tip guard and trigger guard installed.

•

• Engage trigger lock when not spraying.

Follow Pressure Relief Procedure in this manual, when you stop spraying and before cleaning, checking, or servicing equipment .

FIRE AND EXPLOSION HAZARD

Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help prevent fire and explosion:

• Use equipment only in well ventilated area.

• Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and plastic drop cloths

(potential static arc).

• 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.

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

• Use only grounded hoses.

• Hold gun firmly to side of grounded pail when triggering into pail.

• If there is static sparking or you feel a shock, stop oper-

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

• Keep a working fire extinguisher in the work area.

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 Data in all equipment manuals.

• Use fluids and solvents that are compatible with equipment wetted parts. See Technical Data in all equipment manuals. Read fluid and solvent manufacturer’s warnings. For complete information about your material, request MSDS forms from distributor or retailer.

• Check equipment daily. Repair or replace worn or damaged parts immediately with genuine manufacturer’s replacement parts only.

• Do not alter or modify equipment.

• 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.

PRESSURIZED ALUMINUM PARTS HAZARD

Do not use 1,1,1-trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or fluids containing such solvents in pressurized aluminum equipment. Such use can cause serious chemical reaction and equipment rupture, and result in death, serious injury, and property damage.

PERSONAL PROTECTIVE EQUIPMENT

You must wear appropriate protective equipment when operating, servicing, or in the operating area of the equipment to help protect you from serious injury. This equipment includes but is not limited to:

• Protective eyewear

• Clothing and respirator as recommended by the fluid and solvent manufacturer

• Gloves

• Hearing protection

Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441

Copyright 2007, Graco Inc. is registered to I.S. EN ISO 9001

2

Pressure Relief Procedure

WARNING

Follow this Pressure Relief Procedure whenever instructed to relieve pressure, stop spraying, check or service equipment, or install or clean spray tip.

1.

Turn OFF power and turn sprayer pressure control to lowest pressure setting.

2.

Hold gun against side of grounded metal flushing pail.

Trigger gun into pail to relieve pressure.

If you suspect spray tip or hose is clogged or that pressure has not been fully relieved after following the steps above, VERY

SLOWLY loosen tip guard retaining nut or hose end coupling to relieve pressure gradually, then loosen completely. Clear hose or tip obstruction.

Gun Trigger Lock (3a)

WARNING

To prevent injury when the gun is not in use, always set the gun’s trigger lock (3a) if unit is being shut down or left unattended.

Trigger Locked

(no spray)

Trigger Unlocked

(spray)

Installing Tip (15) and Guard (2) on Gun

WARNING

1.If equipment has recently been operated,

Relieve Pressure. Set trigger lock (3a).

2.

Using a pencil or similar object, insert seat (16) into back of guard (2).

3.

Install guard (2) over end of gun (21). Tighten retaining nut.

4.

Insert tip (15) into slot on guard (2).

Operation

Spraying

1.

Unlock trigger lock (3a).

2.

Be sure the arrow shaped tip (15) faces forward (spray).

3.

Hold gun perpendicular and approximately 12-inches

(304 mm) from surface. Move gun first, then pull gun trigger (3) to spray a test pattern.

4.

Slowly increase pump pressure until coverage is uniform and even (see sprayer instruction manual for additional information).

Aligning Spray

WARNING

1.Relieve Pressure. Set trigger lock (3a).

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Setup

WARNING

Make sure sprayer is turned off and unplugged from power source. Refer to your sprayer instruction manual for priming and spray instructions.

Connect Gun to Sprayer

1.

Attach supply hose to sprayer fluid outlet.

2.

Attach other end of supply hose to gun swivel (5). Use two wrenches (one on the swivel (5) and one on the hose), to tighten all connections securely.

3.

Refer to sprayer instruction manual for priming instructions.

2.

Loosen guard retaining nut.

3.

Align guard (2) horizontally to spray a horizontal pattern.

4.

Align guard (2) vertically to spray a vertical pattern.

Clearing Clogs

WARNING

1.

Relieve Pressure. Set trigger lock (3a).

2.

Rotate tip (15) 180°. Unlock trigger lock (3a). Trigger gun into pail or onto ground to remove clog.

3.

Set trigger lock (3a). Rotate tip (15) 180° back to spray position.

Cleanup

CAUTION

Never soak gun in solvents. Do not leave the gun or any parts in water.

Flush gun after each work shift and store in a dry location.

Clean handle grip with water or with a rag wetted in mineral spirits or paint thinner. Do not soak.

313250A

Parts

15 13

33

21

8 9

1

12

11

32

10

6

3a

15a 3

2

7

4

Ref

No. Part. No. Description

1 SEAT, valve

2 ✓ 237859 GUARD, RAC IV

3 243639 TRIGGER, kit, 4 finger, assy, includes

32 and 33 (model 255108)

288816 TRIGGER, kit, 2 finger, assy, includes

3a

32 and 33 (model 255109)

LOCK, trigger, included with 3

4 195495 GUARD, trigger

5 238817 SWIVEL, gun

6 ✓ 288749 FILTER, gun; latex, 50 mesh

288750 FILTER, gun, latex, 100 mesh

7 ✓ 179733 SEAL, sleeve

8 195395 CAP, end

9 115483 NUT, lock

10 115484 PIN, actuator

11 195419 HOUSING, needle

12 156766 GASKET

13 NEEEDLE, gun

15 ✓ 286515 TIP, spray, RAC V

15a 243004 RAC V, gasket and seal kit, (includes 2 rubber gaskets and 2 metal seals)

Qty

1

1

1

1

1

1

2

1

1

1

1

1

1

1

1

1

1

1

23

22

24

5

Ref

No. Part. No. Description ti8904b

21 195389 HOUSING, fluid (sand blasted)

195390 HOUSING, fluid (tumbled)

22 113409 RETAINER, guard

23 15J775 HANDLE, grip (model 255108)

15J776 HANDLE, grip (model 255109)

24 115485 PACKING, o-ring

32 177538 STUD, trigger

33 105334 NUT, lock, hex

34 288817 KIT, repair, gun, includes 1, 9, 12, 13

Qty

1

1

1

1

1

1

1

1

1

▲ Replacement Danger and Warning labels, tags, and cards are available at no cost.

✓ Keep these spare parts on hand to reduce downtime.

313250A 3

Maintenance

WARNING

Before performing any maintenance on gun, read all warnings on front cover of this manual and Relieve Pressure.

Cleaning/Replacing Filter (6)

1.

Relieve Pressure. Set trigger lock (3a).

2.

Disconnect fluid hose from gun at swivel (5).

3.

Disconnect trigger guard (4) from guard retainer (22).

4.

Unscrew handle (23) from gun (21).

5.

Remove filter (6) through top of handle (23).

6.

Clean filter (6). Use a soft brush to loosen and remove excess debris.

7.

Insert clean filter (6) into handle (7).

8.

Reattach handle (7) to gun (21). Tighten securely.

9.

(Model 255109 only) If finger guard is not aligned, apply torque manually, rotating the grip until it is aligned with the trigger.

10. Reconnect trigger guard (4) to guard retainer (22).

Replacing Needle

ti9211a

1.

Relieve Pressure. Set trigger lock (3a).

2.

Remove tip (15) and guard (2) from gun (21).

3.

Disconnect fluid hose from gun at swivel (5).

4.

Release trigger lock (3a). Squeeze trigger (3) while unscrewing diffuser (18) from front of gun (1).

5.

Remove locknut (9) and end cap (8).

6.

Tap needle assembly (13) out, with the needle exiting through front of gun (1).

7.

Use a soft brush to clean out internal passages of gun.

8.

Grease o-rings of new needle using a non-silicon grease.

9.

Guide new needle (13) through front of gun (21).

10. Loosely install end cap (8) and locknut (9).

11. Again, grease o-rings of new needle using a non-silicon grease.

12. Grease threads of diffuser/seat (1). Place gasket (12) on diffuser/seat (1).

13. Squeeze trigger (3) while installing gasket (12) and diffuser (1). Torque

14. Hold gun with nozzle facing up.

15. Turn locknut (9) clockwise until you see and feel trigger (3) raise slightly.

16. Turn locknut (9) 3/4 turn counter-clockwise.

NOTE: When needle is properly adjusted, trigger will move freely.

17. Connect fluid hose. Install tip (15) and guard (2).

18. Prime sprayer. See sprayer instruction manual.

19. Trigger gun into bucket until fluid flows from gun.

20. Release trigger (3). Fluid flow should stop immediately.

21. Set triger lock (3a).

22. Aim gun into bucket. Trigger gun. No fluid show flow.

23. If the gun fails tests , steps 20 and/or 22, Relieve

Pressure and disconnect hose. Readjust needle. Repeat tests.

For complete warranty information contact your local Graco distributor, call Graco customer service: 1-800-690-2894 or visit our website: www.graco.com.

All written and visual data contained in this document reflects the latest product information available at the time of publication.

Graco reserves the right to make changes at any time without notice.

This manual contains English. MM 313250

Graco Headquarters: Minneapolis

International Offices: Belgium, China, Japan, Korea

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

07/2008