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Instructions -- PartsList
TextureAirlessSprayGun
308491S
27.6 MPa (276 bar, 4000 psi) Maximum Working Pressure
PartNo.241705,SeriesB
Includes a RACr Tip Guard and LTX531 Switch Tipr
PartNo.289605(EuropeOnly),SeriesB
Includes a RACr Tip Guard and HDA531 Switch Tipr
ImportantSafetyInstructions
Read all warnings and instructions in this manual.
Save these instructions.
See page 2 for Table of Contents.
03965
GRACOINC. P.O.BOX1441 MINNEAPOLIS,MN 55440-1441
II2G
Copyright2002,Graco Inc.isregistered t
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TableofContents Symbols Symbols ................................. 2 WarningSymbol Warnings................................. 3 Installation/Operation ...................... 5 System Requirements ................... 5 WARNING Ground the System ...................... 5 How to Use the Gun Trigger Safety ........ 5 This symbol alerts you to the possibility of serious Pressure Relief Procedure................ 5 injury or death if you do not follow the instructions. HowtoUsetheGun .....................
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WARNING WARNING SKININJECTIONHAZARD Spray from the gun, leaks or ruptured components can inject fluid into your body and cause ex- tremely serious injury, including the need for amputation. Fluid splashed in the eyes or on the skin can also cause serious injury. D Fluid injected into the skin may look like just a cut, but it is a serious injury. Getimmediatesurgi- cal treatment. D Do not point the spray gun at anyone or any part of the body. D Do not put hand or fingers over the spray tip. D Do
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WARNING WARNING EQUIPMENT MISUSEHAZARD Equipment misuse can cause the equipment to rupture, malfunction or start unexpectedly and result INSTRUCTIONS in serious injury. D This equipment is for professional use only. D Read all instruction manuals, tags, and labels before operating the equipment. D Use the equipment only for its intended purpose. If you are in doubt about this, call your Graco distributor. D Do not alter or modify this equipment. D Check equipment daily. Repair or replace worn or
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Installation/Operation SystemRequirements PressureReliefProcedure WARNING WARNING To reduce the risk of serious injury, including fluid injection, splashing fluid or solvent in the eyes or Keep the wallet-sized warning card provided with on the skin, follow this procedure when you are this gun with the operator at all times. The card instructed to relieve pressure, when you stop contains important treatment information should an spraying, shut off the pump, check or service any injection injury
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Installation/Operation 6. If adjusting the pressure does not give a good HowtoOperatetheGun spray pattern, relieve pressure and then try another tip size. WARNING To reduce the risk of component rupture, and seri- 7. Use a full-open, full-close trigger action. Hold the ous injury, including fluid injection, do not exceed gun about 14 in. (350 mm) from and at right angles the gun’s 4000psi (276bar, 27.6MPa) Maximum to the work surface. Don’t swing the gun in an arc. Practice to find the best leng
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Installation/Operation Ifthespraytip clogswhilespraying CareoftheSprayTipandTipGuard 1. Stop spraying immediately. WARNING 2. Lock the gun trigger safety. Rotate the RAC IV tip To reduce the risk of fluid injection or splashing in handle back 180_. See Fig. 4. the eyes or on the skin, do not hold a hand, body or rag in front of the spray tip when cleaning or checking a clogged tip. Point the gun toward the 3. Unlock the gun trigger safety. Trigger the gun into ground or into a waste container wh
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Installation/Operation Always flush the pump and gun before the fluid being Howto Flush theGun sprayed can dry in it. WARNING NOTE: This procedure requires a grounded pail of compatible solvent. To reduce the risk of serious injury, including splashing fluid in the eyes or on the skin, or static 1. Relieve pressure. electric discharge when flushing: 2. Remove the tip guard and spray tip. Soak and D Be sure the entire system, including flushing clean the parts. pails, are properly grounded. D Rem
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Installation/Operation HowtoChecktheGunDiffuserOperation WARNING The Standard Needle and Seat Kit, 237398, has the SKININJECTIONHAZARD number 090 stamped on the needle and seat. The seat To reduce the risk of serious injury, does have a diffuser. whenever you are instructed to relieve pressure, follow thePressureRelief Procedure on page 5. The optional Non-diffused Needle and Seat Kit, 237260, has the number 125 stamped on the needle and seat. The seat doesnot have a diffuser. 1. Relieve pressur
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Service WARNING 2b 2a To reduce the risk of serious injury from fluid injec- tion or splashing, always follow thePressure ReliefProcedure on page 5 before servicing the gun. RepairNotes 03969 Fig. 7 The needle and seat are available only as a kit which includes items 2a to 2e. 3. Unscrew the valve seat (2a). Remove the gasket (2b). See Fig. 7. The Standard Needle and Seat Kit, 237398, has the number 090 stamped on the needle and seat. A Non-diffused Needle and Seat Kit, 237260, has the number 12
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Service 1 2d 2c 2e 22 03974 Fig. 12 15 8. Remove the needle (2c). Unscrew the seal retainer (2d). Remove the seal (2e). See Fig. 12. 04736 Cleaning Fig. 10 Clean all parts and cavities thoroughly with a compat- ible solvent. Dry with a rag or compressed air. Replace any parts that are worn or damage. 6. Loosenthesetscrew(15).Pullthefluidhousing(22) away from the gun body (1). See Fig. 10. Reassembly 1 Torque to 30--40 in-lb (3.4--4.5 N.m) 2 Lips of seal must face into housing 3 Grease inner cavi
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Service 1 Grease this side 19 2c 20 1 22 1 03676 03979 Fig. 14 Fig. 17 5. If the spring (19) was removed, grease the spring 2. Lightly grease the small end of the needle (2c) and adjuster(20)andplacethespring.Dropthisassem- then guide it into the large end of the fluid housing bly into the gun body (1). See Fig. 17. (22). Torque to 30--40 in--lb 1 Grease the threads 1 1 (3.4--4.5N.m) 2a Torque to 2 Fill cavity with petroleum 20--25 ft--lb 2 2b jelly (27--34N.m) 22 22 03977 Fig. 15 15 2 3. Place
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Service Test theGun BeforeRegularUse A 28 B,16 1. Lock the gun trigger safety. Connect a hose to the gun. Start and prime the pump. 18 29 27 2. Release the gun trigger safety. Trigger the gun into a waste container. Release the trigger to be sure the gun immediately stops spraying and that there arenoleaks. 25 3. If the gun has a diffuser, check the diffuser using 04732 the procedure on page 9. Fig. 20 8. Position the trigger (25) on the gun body. Insert the pivot pin (28) into the top hole (A)
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Parts PartNo.241705,SeriesB TextureAirlessSprayGun 28 21 15 20 27 19 16 18 29 2d 2e 22 1 2c 2b 27 17 2a 30 25 36 24 8 04730 Ref. Ref. No. Part No. Description Qty. No. Part No. Description Qty. 1 237680 TEXTURE GUN BODY 1 20 189990 SPRING ADJUSTER 1 2 237260 NEEDLE AND SEAT KIT 21 110637 ADJUSTING SCREW 1 (parts not sold separately) 1 22 237694 FLUID HOUSING 1 2a VALVE SEAT 1 24 112774 SCREW, 1/4--20 2 2b GASKET 1 25 189974 GUN TRIGGER 1 2c NEEDLE 1 27 112410 E-CLIP 2 2d SEAL RETAINER 1 28 18796
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TechnicalData Dimensions Fluid orifice size................. 0.125 in. (3.2 mm) Maximum working pressure.............. 27.6 MPa Inlet size ............................. 1/4 npt (m) (276 bar, 4000 psi) Fluid tube inside diameter ........ 0.245 in. (6.2 mm) Weight includes tip and tip guard .......... 25.7 oz (720 g) Sound Data: Length ......................... 8.25 in. (210 mm) Sound Pressure Level ................. 84 dB(A)* Height .......................... 8.0 in. (203 mm) Sound Power Level ..
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TheGracoWarrantyandDisclaimers Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defectsinmaterialandworkmanshiponthedateofsaletotheoriginalpurchaserforuse. Withtheexceptionofanyspecial,extended, orlimitedwarrantypublishedbyGraco,Gracowill,foraperiodoftwelvemonthsfromthedateofsale,repairorreplaceanypartofthe equipmentdeterminedbyGracotobedefective. Thiswarrantyappliesonlywhentheequipmentisinstalled,operatedandmaintained i
