Graco Inc. 312579H Paint Sprayer User Manual
Contents
1. 2 2 Trigger the gun to relieve pressure Apply Fluid CAUTION Excessive atomizing air pressure can increase over spray reduce transfer efficiency and result in a poor quality finish Regulatory agencies in certain states prohibit the operation of a spray gun above 10 psi 69 kPa 0 7 bar atomizing air cap pressure 1 Fill the cup with material Do not fill past the full markings on cup 2 Turn on the shop air to the gun Set atomiz ing pressure with the gun fully triggered 3 Adjust the pattern size and shape See page 7 4 To achieve the best results when applying fluid e Keep the gun perpendicular and 6 to 8 inches 150 to 200 mm from the object being sprayed Use smooth parallel strokes across the surface to be sprayed with 50 overlap See Troubleshooting page 11 if you experience an irregular pattern When using the HVLP spray gun instead of a conventional airspray gun you may need to use a slightly slower hand movement and make fewer passes with the gun to coat a part This is due to the reduced spray velocity pro duced by lower HVLP air pressures along with a larger fluid particle size because there is less air to blow off solvents than is produced by conventional airspray Take care to avoid runs or sags as you spray Volatile Organic Compounds VOC Regulation In certain states spraying solvents that release VOCs into the atmosphere when cleaning a2. 026 Compliant 0 055 1 4 289772 289779 289799 289497 288185 289027 Compliant 0 070 1 8 289772 289559 289799 289498 288185 Needle Tips Gror Needle Tip Kit Grooves 5 pack 4 288185 7 289001 ti14043a 312579H 19 Technical Data Technical Data Maximum Air Inlet Pressure 100 psi 0 7 MPa 7 bar Maximum HVLP Compliant Inbound Air Pressure HVLP gravity feed 4 3 5 inte coos ES S hc Ss 29 psi 0 2 MPa 2 0 bar Compliant gravity feed 0 0 eee 35 psi 0 24 MPa 2 4 bar Air Consumption Conventional bis ena atte De Dre nio Romac EC eared 13 3 CFM at 43 psi 0 3 MPa 3 0 bar HVLEP GU a e anui ate esie bestes etos ane cose aba e Des 14 4 CFM at 29 psi 0 2 MPa 2 0 bar Compliant Gun eo 6 donde Rr DR uS tet Stages 11 2 CFM at 35 psi 0 24 MPa 2 4 bar Fluid and Air Operating Temperature Range 32 F to 109 F 0 C to 43 C Spray Gun UC TOOL ea ra dea ee dean eh ee Quar uad qM eld se Ee Ende 1 4 npsm R1 4 19 Weight With GUD 4 oae SE NS qt qoa x Beas 1 3 Ibs 0 6 kg Sound Data Conventional Sound pressure at 43 psi 0 3 MPa 3 0 bar 79 52 dB A Sound power at 43 psi 0 3 MPa 3 0 bar 88 05 dB A HVLP Sound pressure at 29 psi 0 2 MPa 2 0 bar 83 9 dB A Sound power at 29 psi 0 2 MPa 2 0 bar 90 8 dB A Compliant Sound pressure at 35 psi 0 24 MPa 2 4 bar 81 8 dB A Sound power at 35 psi 0 24 MPa 2 4 bar 88 7 dB A Gra
3. 13a 13c 11 19 9a 9c 9a 9c 11 19 9c 5 pack 289002 Conventional 0 055 1 4 289773 289780 289799 289493 288185 289003 Conventional 0 070 1 8 289773 289767 289786 289494 289001 289005 HVLP 0 055 1 4 289771 289776 289786 289495 289001 289006 HVLP 0 070 1 8 289771 289801 289786 289496 289001 289008 Compliant 0 055 1 4 289772 289779 289799 289497 288185 289009 Compliant 0 070 1 8 289772 289559 289799 289498 288185 With Gravity Cup Nozzle Needle Needle Nozzle Nozzle Size Air Cap Kit Kit Assembly Kit Kits Needle Tip Kit Model Spray Type in mm 13a 13c 11 19 9a 9c 9a 9c 11 19 9c 5 pack 289011 Conventional 0 055 1 4 289773 289780 289799 289493 288185 289012 Conventional 0 070 1 8 289773 289767 289786 289494 289001 289014 HVLP 0 055 1 4 289771 289776 289786 289495 289001 289015 HVLP 0 070 1 8 289771 289801 289786 289496 289001 289017 Compliant 0 055 1 4 289772 289779 289799 289497 288185 289018 Compliant 0 070 1 8 289772 289559 289799 289498 288185 With 3M PPS Cup Nozzle Needle Needle Nozzle Nozzle Size Air Cap Kit Kit Assembly Kit Kits Needle Tip Kit Model Spray Type in mm 13a 13c 11 19 9a 9c 9a 9c 11 19 9c 5 pack 289020 Conventional 0 055 1 4 289773 289780 289799 289493 288185 289021 Conventional 0 070 1 8 289773 289767 289786 289494 289001 289023 HVLP 0 055 1 4 289771 289776 289786 289495 289001 289024 HVLP 0 070 1 8 289771 289801 289786 289496 289001 289
4. 2 Dispose of any paint in the cup 3 Fill the cup with a small amount of solvent 4 Spray into a grounded metal waste container until the equipment is clean 5 Follow Pressure Relief Procedure page 8 Clean Gun and Cup CAUTION e Do not submerge gun in solvent Solvent dissolves lubricant dries out packings and clogs air passages e Do not use metal tools to clean air cap holes as this may scratch them and distort the spray pattern Use a compatible solvent 1 Flush page 9 2 Dampen a soft cloth with solvent and wring out the excess Point the gun down and wipe off the outside of the gun and cup 3 Make sure cup lid vent hole is clear 4 Blow dry gun inside and out Lubricate See Compliant Cleaning Methods page 10 to comply with air quality laws if applicable Daily Gun Maintenance Clean Nozzle and Air Cap 1 Remove air cap 13 trigger gun remove nozzle 11 and soak both in a compatible cleaning solution CAUTION Trigger the gun whenever you tighten or remove the nozzle This keeps the needle tip away from the nozzle seating surface and prevents the tip from being damaged 2 Clean air cap nozzle and front of the gun with a soft bristle brush dipped into com patible solvent Do not use a wire brush or metal tools 3 Use a soft implement such as a toothpick to clean out air cap holes 4 Trigger the gun while you install the fluid nozzle wit
5. 289011 A N A 289014 A 29 0 2 2 0 289017 A 35 0 24 2 4 0 070 1 8 289012 A N A 289015 A 29 0 2 2 0 289018 A 35 0 24 2 4 E Gravity Feed with 3M PPS Cup Conventional HVLP Compliant Max Max Max Orifice HVLP Compliant HVLP Compliant HVLP Compliant Size Air Pressure Air Pressure Air Pressure in mm Model Series psi MPa bar Model Series psi MPa bar Model Series psi MPa bar 0 055 1 4 289020 A N A 289023 A 29 0 2 2 0 289026 A 35 0 24 2 4 0 070 1 8 289021 A N A 289024 A 29 0 2 2 0 289027 A 35 0 24 2 4 312579H 3 Warnings Warnings 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 the 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 WARNING 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 e Keep work area free of debris including solvent rags and gasoline e Do not plug or unplug power cords or turn lights on or off when flammable fum
6. Instructions Parts b Y GRACO AirPro Gravity Feed Airspray Gun d Conventional HVLP and compliant guns for specialty industrial applications For professional use only 100 psi 0 7 MPa 7 bar Maximum Air Inlet Pressure Important Safety Instructions Read all warnings and instructions in this manual Save these instructions See page 3 for model information ti11095A CE Que HOO3 PROVEN QUALITY LEADING TECHNOLOGY Related Manuals Contents Related Manuals Models 5 2 illie lxi Gravity Feed without Cup Gravity Feed with Plastic Cup Gravity Feed with 3M PPS Cup Warnings ml cine is eed Gun Selection Llslusu Conventional Guns 000 00a ee AVEP GUNS 2 escenario QE he x stand Flush Before Using Equipment Adjust Spray Pattern 00005 Operation vesera l0 m 1 XR QVE Pressure Relief Procedure Apply Fluid meer Volatile Organic Compounds VOC Regulation Related Manuals Manual Language 313089 Chinese 313091 Dutch 313092 Finnish 313093 French 313094 German 313096 Italian 313097 Japanese 313098 Korean 313100 Portuguese 313101 Russian 313102 Spanish 313103 Swedish Daily Gun Maintenance 9 General Tasks 0000 e eee eee ees 9 Flush 2225 eme Qt ade le nun 9 Clean Gun a
7. KES NO WARRANTY AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IN CONNECTION WITH ACCESSORIES EQUIPMENT MATERIALS OR COMPONENTS SOLD BUT NOT MANUFACTURED BY GRACO These items sold but not manufactured by Graco such as electric motors 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 In no event will Graco be liable for indirect incidental special or consequential damages resulting from Graco supplying equipment hereunder or the furnishing performance or use of any products or other goods sold hereto whether due to a breach of contract breach of warranty the negligence of Graco or otherwise FOR GRACO CANADA CUSTOMERS The Parties acknowledge that they have required that the present document as well as all documents notices and legal proceedings entered into given or instituted pursuant hereto or relating directly or indirectly hereto be drawn up in English Les parties reconnaissent avoir convenu que la r daction du pr sente document sera en Anglais ainsi que tous documents avis et proc dures judiciaires ex cut s donn s ou intent s la suite de ou en rapport directement ou indirectement avec les proc dures concern es Graco Information For the latest information about Graco products visit www graco com TO PLACE AN ORDER cont
8. N adequate air flow See Technical Data page 20 for minimum cfm requirements e Recommended 5 16 in 7 9 mm ID hose optional 3 8 in 10 mm ID air hose e Set shop air pressure regulator not supplied according to paint manu facturers recommendation See maximum compliant air pressure on air cap Make sure no air restrictions such as low volume cheater valves obstruct the air flow If an air adjusting valve is desired use a Graco adjustable air valve 234784 1 Shut off the air supply 2 Install a shutoff valve not supplied down stream of the air regulator to shut off gun air 3 Install an inline air filter not supplied to clean and dry the gun air supply 4 Connect a clean dry filtered air supply to the air inlet fitting See FIG 1 5 Connect the fluid supply to the fluid inlet fitting fluid inlet air inlet ti11306A FiG 1 Ground the Gun Check your local electrical code for detailed grounding instructions Ground the gun through connection to a Graco approved conductive air supply hose Flush Before Using Equipment The equipment was tested with lightweight oil which is left in the fluid passages to protect parts To avoid contaminating your fluid with oil flush the equipment with a compatible sol vent before using the equipment See Flush page 9 312579H Setup Adjust Spray Pattern 6 To reduce fluid flow turn the fluid control valve clockwise 1 Rotate t
9. Valve with Gauge 235119 Gun Air Regulator Assembly 239655 Swivel Air Valve Cleaning Kit Part No Description 105749 Cleaning Brush 111265 Gun Lubricant 15C161 Ultimate Gun Cleaning Kit 18 3M PPS Cups and Accessories Part No 234941 234771 234937 234940 234772 234938 234942 15F531 234939 289486 289795 15E470 15E469 15E467 Description Cup and Collar 6 oz 8 pack Cup and Collar 25 oz 8 pack Cup and Collar 320z 4 pack Lid and Liner 6 oz 50 pack Lid and Liner 25 oz 50 pack Lid and Liner 32 oz 25 pack Ratio Film insert 6 oz 50 pack Ratio Film insert 25 oz 100 pack Ratio Film insert 32 oz 100 pack Gravity Cup Assembly 25 oz includes cup collar lid liner and adapter Gravity Feed Adapter Lid Dispenser Liner Dispenser Gun Tray Test Gauge Part No 289803 Hoses Part No 239631 239636 239637 Tips Part No 24E484 Description HVLP Verification Description 4 ft Air Whip Hose Assembly 5 16 in 15 ft Air Hose Assembly 5 16 in 25 ft Air Hose Assembly 5 16 in Description 030 SST Needle Tips Pack of 5 312579H Repair Kits Repair Kits Without Gravity Cup Nozzle Air Cap Nozzle Needle Needle Needle Tip Size Kit Kit Assembly Kit Nozzle Kit Kit Model Spray Type in mm
10. act your Graco distributor or call to identify the nearest distributor Phone 612 623 6921 or Toll Free 1 800 328 0211 Fax 612 378 3505 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 Original instructions This manual contains English MM 312579 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 Copyright 2007 Graco Inc is registered to ISO 9001 WWW graco com Revised 07 2010
11. ert spreader 15 with tapered end facing rear of gun Insert u cup 16 with open end facing front of gun A Apply lubricant A Apply low strength thread retainer A Apply thread sealant Torque to 85 90 in Ib 9 6 10 2 Nem ZX Torque to 15 20 in Ib 1 7 2 2 Nem Torque to 175 185 in Ib 19 8 20 9 Nem Torque to 155 165 in Ib 17 5 18 6 Nem Ad Install with valve assembly turned fully counterclockwise to outermost position AN Torque to 205 215 in Ib 23 2 24 3 Nem AA Torque to 3 in Ib 0 3 Nem ti11224a 312579H Ref 1 Set 6 Fi 8 9 9a 9b 9c 10 11 13 13a e 13bxe 13c 14 15 4 16 4 17 18 19 20 21 22 23 26 312579H Part No 289792 289796 289039 289052 289097 See p 19 See p 19 289140 See p 19 See p 19 See p 19 289793 111457 289451 Description BODY gun GASKET fluid inlet FITTING fluid inlet includes gasket item 3 VALVE air control assembly VALVE air assembly NUT air valve u cup assembly VALVE fluid control NEEDLE assembly NUT needle NEEDLE TIP needle TRIGGER NOZZLE fluid AIR CAP assembly includes 13a 13c WASHER O RING AIR CAP RING retaining SPREADER u cup PACKING u cup NUT WASHER wave O RING PACKING u cup PIN pivot NUT pivot pin FITTING air inlet SPRING compression Qty l 1 1 1 ee Ill lA h I Il ll ll
12. es are present e Ground all equipment in the work area See Grounding instructions e If there is static sparking or you feel a shock stop operation immediately Do not use equipment until you identify and correct the problem Keep a working fire extinguisher in the work area A PRESSURIZED EQUIPMENT HAZARD Fluid from the gun dispense valve leaks or ruptured components can splash in the eyes or on skin and cause serious injury e Follow Pressure Relief Procedure in this manual when you stop spraying and before cleaning checking or servicing equipment e Tighten all fluid connections before operating the equipment e Check hoses tubes and couplings daily Replace worn or damaged parts immediately RA EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury Do not exceed the maximum working pressure or temperature rating of the lowest rated system component See Technical Data in all equipment manuals e 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 e Check equipment daily Repair or replace worn or damaged parts immediately e Do not alter or modify equipment Use equipment only for its intended purpose Call your Graco distributor for information e Route hoses and cables away from traffic areas sharp edges moving parts and hot surfaces e Do not kink or overbend hoses or use hoses to pu
13. for viscosity of material being sprayed Reduce air pressure and increase mate rial viscosity Correct pattern by narrowing fan size with fluid control valve 8 Spray Pattern Wrong Dirty or distorted air horn holes Clean and inspect air cap If pattern is not corrected replace air cap Gun spitting Air getting into paint stream Check if cup is empty and fill Tighten fluid nozzle 11 Check and tighten needle packing nut 17 Check fluid nozzle 11 for damage Replace fluid inlet gasket 3 Damaged fluid nozzle seal 19 Replace seal 19 Will not spray Cup is empty Fill cup Fluid control valve 8 turned too far clockwise Adjust valve 8 counterclockwise 12 312579H Daily Gun Maintenance Problem Cause Solution Excessive air Loose fluid nozzle 11 Tighten fluid nozzle 11 blowing back Damaged fluid nozzle seal 19 Replace seal 19 Excessive air leak behind trigger Worn u cups air valve Worn trigger Repair gun Kit 289408 Be sure to use all included parts Replace trigger part 289140 If leak per sists repair gun Kit 289408 312579H 13 Hepair Repair Follow Pressure Relief Procedure page 8 See Parts page 16 for callout references Disassembly 1 Unscrew retaining ring 14 to remove air cap 13b Check o rings 13a and 13c a
14. h the gun tool Tighten the nozzle securely to 155 165 in Ib 17 5 18 6 Nem to obtain a good seal 5 Install the retaining ring 14 and air cap 13 nen reassembling make sure the air cap matches the color etched onto the side of the nozzle gold brown grey blue etc 6 After cleaning the gun lubricate the follow ing parts with lubricant 111265 daily e fluid control valve threads e trigger pivot pin e fluid needle shaft 10 Compliant Cleaning Methods 1 Place spray gun in a gun washer that com pletely encloses the gun and components during cleaning rinsing and draining 2 Spray solvent through the spray gun into a closed gun cleaning station 312579H Daily Gun Maintenance 312579H 11 Daily Gun Maintenance Troubleshooting a Problem Cause AM Solution Spray Pattern Right Normal pattern No action necessary Spray Pattern fi Wrong Heavy top or bottom Dirty or damaged air cap or fluid nozzle Rotate air cap 180 If pattern follows air cap problem is in air cap 13 Clean and inspect If pattern is not corrected replace air cap If pattern does not follow the air cap the problem is with the fluid nozzle Clean and inspect the nozzle If the pattern is not corrected replace nozzle Spray Pattern Wrong Split pattern Pressure too high
15. he air cap to achieve desired spray pattern See FIG 2 e f the fluid control valve is turned clock IN wise all the way the gun will emit only air e f you cannot achieve the correct fluid 1 EDI flow with the fluid control valve a differ ent sized nozzle may be necessary For smaller fluid flow use the next size smaller nozzle For a larger fluid flow use the next size larger nozzle 7 Spray a test pattern Evaluate the spray yaga pattern size and atomization Fic 2 8 To achieve a narrow spray pattern turn air 2 To achieve full fan pattern open the air control valve clockwise control valve by turning the knob fully coun 9 terclockwise See FiG 3 To improve atomization reduce the fluid flow rate Increasing the air pressure can 3 To create a round pattern turn the pattern improve atomization but may result in poor air off by turning the air control valve fully Transfer Efficiency TE or non compliant clockwise See FIG 3 operation 4 Trigger gun and adjust gun air pressure Refer to Technical Data page 20 for inlet air pressure 5 To establish the correct fluid flow turn the fluid control valve counterclockwise until no restriction of the trigger movement is felt then turn out another half turn NEN air control valve fluid control valve air inlet valve ti11097a Fic 3 312579H 7 Operation Operation wA Pressure Relief Procedure 1 Turn off the gun air supply
16. ll Il ll Parts Ref Part No Description Qty 27 289142 VALVE assembly 1 air inlet 28 EE SPRING compression 1 29 289794 TOOL gun 33 TOOL installation 1 seal 36 289452 NUT air plug 1 not assembled 974 WASHER uhmw 1 38 289770 CUP gravity 650 cc 1 38a 289195 FILTER cup not shown Included in Gun Repair Kit 289790 Included in Trigger Repair Kit 289143 contains 5 of each part Included in Needle Packing Repair Kit 289455 contains 5 of each part Included in Air Valve Repair Kit 289408 Included in Air Cap Seal Kit 289791 contains 5 of each part 4 Included in Retaining Ring Kit 289079 Included in Cup Gasket Repair Kit 289213 pack of 10 Included in Gun Body Kit 289022 T Included in Fluid Inlet Gasket Kit 24A560 package of 5 purchase separately Not sold separately 17 Accessories Accessories Cups Part No Description 289797 Cup aluminum 23 oz 650 cc 289802 Cup aluminum 34 oz 1 liter 289770 Cup plastic 23 oz 650 cc 192407 Cup Holder Repair Kits Part No Description 289455 Needle Packing Repair Kit 289790 Gun Repair Kit 289791 Air Cap Seal Kit 289143 Trigger Repair Kit 289408 Air Valve Repair Kit 289213 Cup Gasket Kit 10 pack 289079 Retaining Ring Kit 289022 Gun Handle Replacement Kit 24A560 Fluid Inlet Gasket Kit 5 pack 24C310 Nozzle O Ring Kit 5 pack Air Valves Part No Description 234784 Air Control
17. ll equipment e Keep children and animals away from work area e Comply with all applicable safety regulations DE nmm d A 9o 4 312579H Gun Selection A WARNING but is not limited to e Protective eyewear e Gloves e Hearing protection D PERSONAL PROTECTIVE EQUIPMENT hc 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 including eye injury inhalation of toxic fumes burns and hearing loss This equipment includes Clothing and respirator as recommended by the fluid and solvent manufacturer Gun Selection Conventional Guns Excellent atomization and high production rates typically with some reduction in transfer efficiency HVLP Guns An HVLP gun is a high transfer efficiency gun which limits the air pressure at the air cap to 10 psi 0 07 MPa 0 7 bar maximum In some areas an HVLP gun is required for compliance with environmental standards 312579H Compliant Guns A compliant gun is a high transfer efficiency gun which has been tested to have a transfer efficiency greater than or equal to HVLP guns The Graco compliant guns have no restrictions on air cap pressures but the gun inlet pres sure must remain under 35 psi 0 24 MPa 2 4 bar to remain in compliance Setup Setup Ww a2 e Check that your shop air provides E
18. mage or wear caused by the incompatibility of Graco equipment with 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 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 warranty shall be as set forth above The buyer agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the date of sale GRACO MA
19. nd Cup 0 00 e eee 9 Clean Nozzle and Air Cap 10 Compliant Cleaning Methods 10 Troubleshooting 20 cee eee eee 12 hcc 14 Disassembly 0 000 eee eee 14 Fluid Inlet Fitting Replacement 14 Reassembly 0c e eee eee eee 15 PANS os fe eke ee a v ile ee eee eee eee 16 Accessories 00 eee cece eee eee eee 18 Repair Kits 2 teedin leet ities leet 19 Technical Data eseeess 20 Graco Standard Warranty 22 Graco Information esses 22 312579H Models Models Gravity Feed without Cup Conventional HVLP Compliant Max Max Max Orifice HVLP Compliant HVLP Compliant HVLP Compliant Size Air Pressure Air Pressure Air Pressure in mm Model Series psi MPa bar Model Series psi MPa bar Model Series psi MPa bar 0 055 1 4 289002 A N A 289005 A 29 0 2 2 0 289008 A 35 0 24 2 4 0 070 1 8 289003 A N A 289006 A 29 0 2 2 0 289009 A 35 0 24 2 4 Gravity Feed with Plastic Cup Conventional HVLP Compliant Max Max Max Orifice HVLP Compliant HVLP Compliant HVLP Compliant Size Air Pressure Air Pressure Air Pressure in mm Model Series psi MPa bar Model Series psi MPa bar Model Series psi MPa bar 0 055 1 4
20. nd replace if necessary 2 Trigger gun while unscrewing nozzle 11 to prevent needle damage 3 Check o ring 19 and replace if necessary 4 Remove fluid control valve 8 spring 26 needle 9 and nut 7 Inspect Replace tip 9c needle 9 and u cup seal 20 as necessary If replacing needle tip use low strength thread adhesive on needle tip threads 5 Remove spring 28 and push the air valve assembly 6 out the back of the gun Inspect Replace air valve assembly 6 and u cup seal 20 as necessary Use tool 33 to install u cup seal 6 Remove trigger nut 22 trigger pin 21 wave washer 18 and trigger 10 7 Unscrew needle packing nut 17 and remove u cup packing 16 and spreader 15 8 Remove air control valve assembly 5 Inspect and replace as necessary 9 Remove air inlet valve assembly 27 Inspect and replace as necessary 14 Fluid Inlet Fitting Replacement mae PRESSURIZED EQUIPMENT HAZARD Fluid inlet gasket 3 must be replaced if fluid inlet fitting 4 is removed from spray gun Failure to replace gasket 3 may result in air leakage into the fluid section causing a non vented gravity cup to become pressurized Remove fluid inlet fitting 4 Remove fluid inlet gasket 3 from gun body and discard Apply thread sealant to replacement fluid inlet fitting 4 threads Snap the fluid inlet gasket 3 securely onto the fluid inle
21. spray gun is prohibited To comply with these air quality laws you must use a cleaning method that prevents the escape of VOC vapors into the atmosphere See Compliant Cleaning Methods page 10 Clean air line filters as directed by the manufacturer 312579H Daily Gun Maintenance Wu 2 General Tasks Follow the Pressure Relief Procedure page 8 e Frequently lubricate the gun moving parts with a drop of non silicone oil Do not disassemble the spray gun if you are having a spray pattern problem See Troubleshooting page 11 for information on how to correct the problem e Clean the fluid and air line filters daily e Check for fluid leakage Tighten fittings or replace equipment as needed CAUTION Solvent left in gun air passages could result in a poor quality paint finish Do not use any cleaning method that may allow solvent into the gun air passages e Do not point gun up while cleaning it Do not wipe gun with a cloth soaked in solvent wring out the excess e Do not immerse the gun in solvent Flush Flush before using the equipment before changing colors and when you are done spraying Use solvent that is compatible with gun wetted parts and with the fluid that will be sprayed A See Compliant Cleaning Methods page 10 to comply with air quality laws if applicable 1 Follow Pressure Relief Procedure page 8 312579H Daily Gun Maintenance
22. t fitting 4 Screw in fluid inlet fitting 4 and torque to 155 165 in Ib 17 5 18 6 Nem Replace washer 28 as required 312579H Reassembly 1 Install air control valve assembly 5 with valve turned fully counterclockwise to outer most position Torque to 85 90 in Ib 9 6 10 2 Nem Install air inlet valve assembly 27 with valve turned fully counterclockwise to outer most position Torque to 205 215 in Ib 23 2 24 3 Nem Lubricate u cup spreader 15 and u cup packing 16 Install spreader 15 with tapered end facing rear of gun Install u cup packing 16 with open end facing front of gun Install packing nut 17 Torque to 3 in Ib 0 3 Nem oy sx 16 15 ti11226a 312579H Hepair Install wave washer 18 with cupped side toward the gun body Lubricate and apply thread retainer to trigger pin 10 Install trig ger 10 trigger pin 21 and trigger nut 22 Torque to 15 20 in Ib 1 7 2 2 Nem Install air valve assembly 6 spring 28 and nut 7 Torque to 175 185 in lb 19 8 20 9 Nem Install needle 9 and spring 26 Lightly lubricate and install fluid control valve 8 Trigger gun while replacing nozzle 11 Torque to 155 165 in Ib 17 5 18 6 Nem Install air cap assembly 13 and retaining ring 14 15 Parts Parts 16 a A 7A 20A 28A 5AA 4 tf x M Sy wig A Pull trigger before installing nozzle 11 Ins
23. vity Cup SIZ6 2 cii luo eer se pa UR ERR Rin 23 oz 0 68 liter cup Wetted Parts err rn 303 stainless steel 17 4 PH stainless steel PEEK acetal UHMWPE Produces 10 psi 0 07 MPa 0 7 bar spraying pressure at air cap All readings were taken with the fan valve fully open fan full size at the assumed operator position Sound power was tested per ISO 9614 2 20 312579H Technical Data 312579H 21 Graco Standard Warranty Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use With the exception of any special extended or limited warranty published by Graco Graco will for a period of twelve months from the date of sale repair or replace any part of the equipment determined by Graco to be 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 general wear and tear or 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 da
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