Graco AirPro EFX Instructions - Parts Manual Download

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Instructions/Parts

AirPro

™

EFX Automatic

Spray Gun

313869K

Conventional, HVLP, HiTEch, and LVMP automatic guns for small component finishing
applications. For professional use only.

100 psi (0.7 MPa, 7 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. Save these instructions.

TI14428A

Guns with manifold

TI14427A

Guns without manifold

II 2 G c IIB T6

Summary of Contents for AirPro EFX

Page 1: ...ations For professional use only 100 psi 0 7 MPa 7 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 Save these instructions TI14428A Guns with manifold TI14427A Guns without manifold II 2 G c IIB T6 ...

Page 2: ...round System 13 Mount Gun 14 Setup 15 Connect Air Line 15 Connect Fluid Hose 17 Flush Spray Gun 18 Position Air Cap 18 Adjust Spray Pattern 18 Operation 20 Pressure Relief Procedure 20 Apply Fluid 20 Daily Gun Care 21 General System Maintenance 22 Clean and Flush Gun 22 Troubleshooting 24 Service 26 Disassembly 26 Reassembly 27 Parts 28 Repair Kits 30 Accessories 31 Dimensions 33 Mounting Hole Lay...

Page 3: ...24B880 C Conventional 0 059 1 5 24B861 C C HVLP 0 020 0 5 24B862 C C HVLP 0 028 0 7 24B863 C 24B881 C HVLP 0 043 1 1 24B864 C 24B882 C HVLP 0 051 1 3 24B865 C 24B883 C HiTEch 0 028 0 7 24B866 C 24B884 C HiTEch 0 039 1 0 24B867 C 24B885 C HiTEch 0 059 1 5 24B868 C 24B886 C LVMP 0 020 0 5 24B869 C 24B887 C LVMP 0 028 0 7 24B870 C 24B888 C LVMP 0 035 0 9 24B871 C 24B889 C LVMP 0 039 1 0 24M391 A 24M3...

Page 4: ... 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 flammab...

Page 5: ...ormation 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 EQUIPMENT HAZARD Fluid from the gun dispense valve leaks or ruptured components can splash in the eyes or on skin and cause serious inju...

Page 6: ...t according to appli cable guidelines PERSONAL PROTECTIVE EQUIPMENT You must wear appropriate protective equipment when operating servicing or when in the operating area of the equipment to help protect you from serious injury includ ing eye injury hearing loss inhalation of toxic fumes and burns This equipment includes but is not limited to Protective eyewear and hearing protection Respirators pr...

Page 7: ...Warnings 313869K 7 ...

Page 8: ...nventional Guns A conventional gun has excellent atomization and high production rates typically with some reduction in transfer efficiency HiTEch Guns A HiTEch gun is a high transfer efficiency gun with excellent atomization Graco HiTEch guns have no restrictions on air cap pressures Proper Needle Nozzle Selection The spray gun s needle nozzle kits range in size to provide different fluid flow ra...

Page 9: ...ic 24B865 HVLP 24D306 24C183 0 051 1 3 Stainless Steel Indexing Plastic 24B866 HiTEch 24D303 24D703 0 028 0 7 Stainless Steel Ultra Precision Stainless Steel 24B867 HiTEch 24C221 24D703 0 039 1 0 Carbide Ultra Precision Stainless Steel 24B868 HiTEch 24C201 24D704 0 059 1 5 Carbide Ultra Precision Stainless Steel 24B869 LVMP 24D277 24C184 0 020 0 5 Stainless Steel Ultra Precision Plastic 24B870 LVM...

Page 10: ...24B883 HVLP 24D306 24C183 0 051 1 3 Stainless Steel Indexing Plastic 24B884 HiTEch 24D303 24D703 0 028 0 7 Stainless Steel Ultra Precision Stainless Steel 24B885 HiTEch 24C221 24D703 0 039 1 0 Carbide Ultra Precision Stainless Steel 24B886 HiTEch 24C201 24D704 0 059 1 5 Carbide Ultra Precision Stainless Steel 24B887 LVMP 24D277 24C184 0 020 0 5 Stainless Steel Indexing Plastic 24B888 LVMP 24D278 2...

Page 11: ... 0 7 29 0 2 2 0 Clear Air Cap Part No Type Nozzle Orifice in mm Recommended Gun Manifold Inlet Pressure psi MPa bar Fluid Flow Rate oz min cc min Spray Distance in cm Pattern Shape Pattern Size in mm 24C182 Conventional 0 028 0 7 43 0 3 3 0 2 7 80 6 15 Taper 1 0 6 0 25 152 24C183 HVLP 0 028 0 7 15 0 1 1 0 2 7 80 6 15 Straight 1 0 6 5 25 165 24D703 HiTEch 0 028 0 7 29 0 2 2 0 2 7 80 6 15 Straight 1...

Page 12: ... the spray gun unless ventilation fans are operating Check and follow all national state and local codes regarding air exhaust velocity requirements Check and follow all local safety and fire codes Configure Gun and Manifold Guns with Manifold See FIG 1 The gun is shipped with a fluid plug 25 To use the gun in a circulating system do not install the plug In a non circulating system install the plu...

Page 13: ...ue earth ground as instructed in your separate pump instruction manual Air Compressors and Hydraulic Power Supplies Ground the air compressors and hydraulic power supplies according to the manufacturer recommendations Spray Gun Ground the spray gun by mounting the mani fold to a properly grounded reciprocator robot or stationary mount Check the electrical resis tance between the manifold and a tru...

Page 14: ...ationary Support To mount the gun on a stationary support refer to FIG 4 and to the correct mounting hole layout for your gun page 34 35 1 Align the gun or manifold with the align ment pins Locate alignment slot and holes per the mounting hole layout 2 Secure the gun to the support with two M8 x 1 25 capscrews C The screws must be long enough to engage the threaded holes to a depth of 1 4 in 6 mm ...

Page 15: ...the CYL FAN and ATOM air lines to control air pressure to the gun See FIG 6 and FIG 7 Install a bleed type air shutoff valve E on each gun air supply line down stream of the gun air regulator to shut off air to the gun 1 The gun cylinder fan and atomization air must be supplied and regulated separately To regulate air remotely use solenoids see FIG 6 and FIG 7 NOTE The three air inlet fittings acc...

Page 16: ...4A FAN AIR CYLINDER AIR ATOMIZING AIR 2 way solenoid valve 3 way solenoid valve 2 way solenoid valve Air regulator FIG 7 Remote Air Regulation using Solenoid Guns without Manifold TI14445A ATOMIZING AIR CYLINDER AIR FAN AIR 2 way solenoid valve 3 way solenoid valve 2 way solenoid valve ...

Page 17: ...S 6 mm OD tube fitting See FIG 9 2 Connect the other end of the fluid hose J to a regulated fluid supply outlet M 3 In a circulating system connect a grounded fluid return hose to the gun fluid outlet T See FIG 9 In a non circulating system remove the gun fluid outlet fitting T and plug the outlet port with the pipe plug 33 supplied for guns without manifold Guns with manifold use plug 24C211 25 s...

Page 18: ...to adjust the spray gun fluid flow All models are equipped with a fluid control knob to make precise fluid flow adjustments Follow these steps to establish the correct fluid flow and air flow 1 To achieve desired flow adjust the fluid flow using the fluid pressure regulator L installed in the gun fluid line Typical indus trial flow rates will vary with regulator pres sures from 5 to 30 psi 34 to 2...

Page 19: ...stance about 6 to 8 inches 150 to 200 mm from the test piece Check the atomization quality Increase the gun atomizing air supply pressure with the air pressure regulator in 5 psi 34 kPa 0 3 bar increments until you obtain the desired atomization NOTE For the best transfer efficiency use the lowest setting needed to achieve desired finish quality 4 If the spray pattern is too wide or split reduce t...

Page 20: ...luid to ensure full atomization of fluid and prevent buildup on the air cap Adjust the system control device if it is auto matic so the gun starts spraying just before meeting the part and stops as soon as the part has passed To achieve best results when applying fluid Keep gun perpendicular and 6 to 8 in 150 to 200 mm from object being sprayed Use smooth parallel strokes across sur face to be spr...

Page 21: ...n air passages could result in a poor quality paint finish Do not use any cleaning method which may allow solvent into the gun air passages Do not point the gun up while cleaning it Do not immerse the gun in solvent Do not wipe the gun with a cloth soaked in solvent wring out the excess Do not use metal tools to clean the air cap holes as this may scratch them scratches can distort the spray patte...

Page 22: ...ozzle with solvent 9 Dip the end of a soft bristle brush into a compatible solvent Do not continuously soak the brush s bristles with solvent and do not use a wire brush 10 With the gun pointed down clean the front of the gun using the soft bristle brush and solvent 11 Scrub the air cap retaining ring air cap and fluid nozzle with the soft bristle brush see FIG 16 To clean out air cap holes use a ...

Page 23: ...Operation 313869K 23 ...

Page 24: ...ted replace air cap If pattern does not follow the air cap the problem is with the fluid nozzle 4 Clean and inspect the nozzle If the pat tern is not corrected replace nozzle Spray Pattern Fan pressure too high for vis cosity of material being sprayed Reduce fan air pressure and increase material viscosity Spray Pattern Dirty or distorted air horn holes Clean and inspect air cap 5 If pattern is no...

Page 25: ...gun triggered cannot achieve desired flow rate Using needle nozzle kit with too small orifice Use needle nozzle kit with larger orifice Using a low fluid pressure set ting the fluid flow is too high making it necessary to restrict needle travel to reduce fluid flow Using needle nozzle kit with too large orifice Use needle nozzle kit with smaller orifice Fluid system will not operate at low enough ...

Page 26: ...len wrench supplied to unscrew the two screws 16 and remove the gun from the manifold b Without Manifold Disconnect the air and fluid hoses Remove the gun from the mounting arm 3 Remove the air cap retaining ring 21 and air cap 5 4 Remove the fluid adjustment knob 11 and spring 10 5 Pull the piston 7 and fluid needle 6 out of the back of the gun FIG 17 21 5 10 7 6 2 4 11 1 Torque to 155 165 in lb ...

Page 27: ... needle 6 in the piston 7 Apply medium strength thread sealant to the setscrew 7a Use the 1 16 hex wrench to torque the setscrew to 4 5 to 5 5 in lb 0 5 to 0 6 N m 5 Grease the needle shaft and piston o ring Push the needle piston assembly into the gun as far as possible Insert spring 10 6 Turn counterclockwise to fully open the fluid adjustment knob 11 Install the knob hand tight NOTE If you have...

Page 28: ... 21 5d 4 17 16 2 6 7a 7b 10 15 14 12 13 20 19 18 1 11 21 5c 5b 5a 5d 4 15 14 15 1 3 2 6 7b 7 10 11 ti14447a ti14448a ti14945a 7a 13 20 3 7 Ultra precision knob Indexing knob Lock ring and cap Guns with Manifold Guns without Manifold ...

Page 29: ... Ultra Precision for 24P993 and 24P994 only Indexing Indexing for 24P995 and 24P996 only Lock ring and cap 1 14 120538 FITTING tube air line 1 8 npt x 6 mm 3 15 24C213 24D046 FITTING tube fluid line 1 8 npt x 6 mm Nylon Stainless steel 2 21 289079 RETAINING RING assembly includes 5b and 5c 1 23 114141 TOOL wrench hex 1 16 not shown 1 24 107157 TOOL wrench allen 4 mm not shown 1 26 101821 TOOL wren...

Page 30: ...5 HVLP 24B862 0 020 0 5 24D302 24D296 24C190 24C183 HVLP 24B863 24B881 0 028 0 7 24D179 24D176 24C191 HVLP 24B864 24B882 0 043 1 1 24D305 24D299 24C193 HVLP 24B865 24B883 0 051 1 3 24D306 24D300 24C194 HiTEch 24B866 24B884 0 028 0 7 24D303 24D297 24C191 24D703 HiTEch 24B867 24B885 0 039 1 0 24C221 24C219 24C220 HiTEch 24B868 24B886 0 059 1 5 24C201 24D275 24C195 24D704 LVMP 24B869 24B887 0 020 0 5...

Page 31: ... air cap atomizing and fan pattern air pressure at various supply air pres sures Not to be used for actual spraying Install the kit air cap on the gun Turn on the air to the gun and read the air pressure on the gauge NOTE To be HVLP compliant the atomizing and fan pattern air pressure must not exceed 10 psi 70 kPa 0 7 bar Part Description Qty 120388 FITTING tube air line 1 8 npt x 1 4 T 3 111157 F...

Page 32: ...Accessories 32 313869K ...

Page 33: ...g knob 3 5 in 88 9 mm with lock ring and cap 3 8 in 96 5 mm 1 4 in 35 6 mm 0 75 in 19 1 mm mounting hole 1 6 in 40 7 mm TI14436A TI14440A 2 6 in 66 1 mm 1 3 in 33 0 mm FIG 21 1 6 in 40 6 mm TI14437A TI14442A 3 5 in 88 9 mm 2 2 in 55 9 mm 4 9 in 124 5 mm with Ultra Precision knob 4 1 in 104 1 mm with indexing knob 3 5 in 88 9 mm with lock ring and cap ...

Page 34: ...4 313869K Mounting Hole Layouts Guns with Manifold FIG 22 ti14441a 0 43 in 10 9 mm 0 86 in 21 8 mm 1 22 in 31 0 mm 3 x M8 x 1 25 0 34 in 8 6 mm thru 0 13 in 3 3 mm slot 1 4 in 35 6 mm 1 27 in 32 3 mm 0 95 in 24 1 mm ti14700a ...

Page 35: ...Mounting Hole Layouts 313869K 35 Guns without Manifold FIG 23 0 95 in 24 1 mm M8 x 1 25 T 0 35 in 8 9 mm deep ti14701a 0 13 slot 3 3 mm 1 76 in 44 7 mm ...

Page 36: ...thylene Perfluoroelastomer Models 24B867 and 24B868 PTFE Stainless Steel Ultra High Molecular Weight Polyethylene Tungsten Carbide Perfluoroelastomer Models 24B861 24B874 24M390 and 24M391 Nylon PTFE Stainless Steel Ultra High Molecular Weight Polyethylene Tungsten Carbide Perfluoroelastomer Models 24B877 24B883 24B887 24B892 24P995 24P996 Anodized Aluminum Nylon Stainless Steel Ultra High Molecul...

Page 37: ...48 84 Conventional Measured at 43 psi 0 30 MPa 3 0 bar atomizing air and fan air pressure Sound Power Sound Pressure 87 76 dBa 81 11 dBa HVLP Measured at 15 psi 0 10 MPa 1 0 bar atomizing air and fan air pressure Sound Power Sound Pressure 78 46 dBa 71 82 dBa HiTEch Measured at 29 psi 0 20 MPa 2 0 bar atomizing air and fan air pressure Sound Power Sound Pressure 85 61 dBa 79 23 dBa LVMP Measured a...

Page 38: ...4 0 15 4 4 0 12 35 0 24 2 4 6 2 0 18 5 0 0 14 40 0 28 2 8 7 0 0 20 5 6 0 16 45 0 31 3 1 7 8 0 22 6 3 0 18 50 0 34 3 4 8 6 0 24 6 9 0 19 24D703 24D704 HiTEch 10 0 07 0 7 2 2 0 06 1 9 0 05 15 0 10 1 0 3 0 0 08 2 5 0 07 20 0 14 1 4 3 8 0 11 3 1 0 09 25 0 17 1 7 4 6 0 13 3 8 0 11 30 0 21 2 1 5 4 0 15 4 4 0 12 35 0 24 2 4 6 2 0 18 5 0 0 14 40 0 28 2 8 7 0 0 20 5 6 0 16 45 0 31 3 1 7 8 0 22 6 3 0 18 50 ...

Page 39: ...chnician who certified your gun Date on which the spray test was performed Part number of your gun Date code for Graco use only Certifies that the gun is within acceptable limits on all parameters Colors if visible represent paint density with red meaning most paint particles and blue meaning fewest Width the distance from one end of the pattern to the other along the spray pattern major axis Heig...

Page 40: ...n material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligation and buyer s sole remedy for any breach of warr...

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