Graco 311937G User's Manual
Contents
1. 2 Unlock trigger Hold gun against side of 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 To prevent injury when the gun is not in use always lock the trigger if unit is being shut down or left unattended Trigger Locked I Unlocked no spray ti6581a ti6582a Setup Mo Make sure sprayer is turned off and unplugged from power source and trigger lock is locked Refer to your sprayer instruction manual for priming and spray instructions Connect Gun to Sprayer 1 Attach air inlet fitting 17 and fluid inlet fitting 25 to gun Y X N For Air Assisted spraying first attach N 2 black coiled air supply hose a to gun z Yy Z V air inlet fitting 17 y NOTE The first time you set up the gun RY for spraying you will have to cut the black air hose to length desired ZA ti9022 3 Attach blue fluid supply hose b to gun fluid inlet fitting 25 4 Attach other end of air and fluid supply hoses to sprayer Use two wrenches to tighten all connections securely see sprayer setup instructions in sprayer operation manual 311905 Installing Tip 33 and Guard 6 on Gun 1 If equipment has rece2. www graco com Revised 5 2013
3. the o ring 2a is in place in the gun body 1 8 Insert the fluid needle assembly 2 into the front of the gun Use the nut driver 29 to screw the fluid needle assembly into the gun body 1 and torque to 50 60 in lb 6 7 Nem 1 P lt 2a i a 9 fi g 29 yi amp ti6575a 9 Install the trigger 3 pivot pin 13 and nut 14 Use low strength thread locker and be sure that the brass piece of the fluid needle assembly 2 is behind the trigger Lubricate both sides of the pivot pin where the trigger contacts the pin and lubricate the boss on both sides of the gun where the trigger contacts the gun body Torque the nut to 20 30 in lb 2 3 Nem 10 Trigger the gun to pull the needle back while you screw the diffuser assembly 5 into the gun body 1 using the gun tool 30 Torque to 155 165 in lb 18 19 Nem When properly tightened the flange will bottom out on the gun 11 Attach the guard 6 and spray tip 33 page 4 Tranlated Manuals Translated manuals can be obtained from a distributor or by visiting www graco com Parts Description BODY gun assy SAFETY trigger NEEDLE assy 3 82 carbide ball includes item 2a PACKING o ring PTFE KIT trigger repair includes 13 and 14 15G713 NUT air plug Parts Ref Part No tla 249423 2 2a 110004 3 249585 4 5 249877 5a 5b 5c 5d 5e 111457 5f 109450 6 288839 6a 109213 Fi 188493 8 9 15F193 10 15F194 11 15F195
4. 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 damage 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 th
5. use I metal tools to clean the air cap holes as g eS this may scratch them Scratches can VF 7S distort the spray pattern Note If you are getting an irregular spray lt TI8792a 311937G Warnings Maintenance Before performing any maintenance on gun read all warnings on front cover of this manual and relieve pressure page 4 Daily Maintenance Flush gun after each work shift and store in a dry location Do not immerse the gun or any parts in water or cleaning solvents e Do not point gun up while cleaning it e Do not wipe gun with cloth soaked in solvent wring out excess e 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 gun air passages Flushing and Cleaning MPa bar PSI e Flush gun before changing colors before storing and before repairing gun e Flush at lowest possible pressure Check connectors for leaks and tighten as necessary e Flush with fluid that is compatible with fluid being dispensed and equipment s wetted parts Relieve pressure page 4 Unplug sprayer from outlet Remove tip 33 and guard 6 Disconnect black air supply hose from gun Remove sprayer siphon tube set from paint and place in flushing fluid See Cleanup instructions in sprayer operation manual 311905 5 Plug sprayer in outlet Set sprayer function selection switch to AIRLESS 6 Increase pressure slowly Point gun
6. 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 procedures judiciaires ex cut s donn s ou intent s a 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 contact your Graco distributor or call 1 800 690 2894 to identify the nearest distributor 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 For patent information see www graco com patents Original instructions This manual contains English MM 311937 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC AND SUBSIDIARIES e P O BOX 1441 MINNEAPOLIS MN 55440 1441 USA Copyright 2006 Graco Inc All Graco manufacturing locations are registered to ISO 9001
7. 12 288715 13 15F739 14 15F740 15 114069 16 249136 17 15F202 19 115141 20 119996 8 DIFFUSER assy RAC DIFFUSER housing GASKET seat nylon SEAT carbide NUT seat PACKING o ring seat PTFE PACKING o ring PTFE GUARD RAC PACKING o ring PTFE PACKING u cup gun UHMWPE VALVE air assy SHAFT fluid spring SEAT spring CAP spring VALVE swivel with hose fitting PIN pivot PIN pivot nut SPRING compression TUBE assy FITTING air inlet SPRING compression SCREW cap socket hd 1 4 20 x 3 8 in 10 mm ee ee ee ee ee ee ee ee ee ee a a a a a ti7203d Ref Part No Description 22 115133 GASKET tube acetal 24 224453 FILTER 24at 162863 GASKET non metallic sold separately 25 15F186 FITTING fluid inlet 28 TOOL installation seal 29 117642 TOOL nut driver 30 15F446 TOOL gun 314 222385 CARD warning not shown 324 172479 TAG warning not shown 33 FFT210 SPRAY TIP 288513 FFA210 SPRAY TIP 289604 33a SEAT gasket 33b SEAL 35t 15J770 HOUSING cylinder 36 239663 SWIVEL A Replacement Danger and Warning labels tags and cards are available at no cost SN h h h h i ee ee M ee ee ee Included in Needle Seat Repair Kit 255160 purchase separately t Included in RAC Guard Kit 288839 Included in Seal Repair Kit 249422 purchase separately If you want to remove the filter order 162863 to use as a Seal in its place Included in 246453 RAC X One Se
8. DA gun 30 and nut driver 29 P 17 After cleaning lubricate the following parts weekly with lubricant 111265 e Trigger pivot pin A e Both sides of gun where trigger contacts gun B 7 14 e Fluid needle shaft behind 3 x trigger C ti8835a lt TI6574A Cleaning Replacing Filter 24 3 Remove the fluid needle assembly 2a P Zo KD 2 from the front of 2 xX lt A PE the gun by using Vd the nut driver tool 29 v 1 Relieve pressure page 4 Lock trigger 1a 29 If the needle _ A ieee 2 Unscrew fluid inlet fitting 25 is bent or AS 3 Remove inline fluid filter 24 damaged or the 4 Clean filter with soft brush and compatible solvent packing is worn or Inspect filter and if damaged replace it leaking replace the entire needle assembly If 5 Install inline fluid filter 24 into base of fluid tube 16 replacement Is necessary be sure to remove the o ring 6 Screw fluid inlet fitting 25 into base of tube Torque to 2a as it may stick inside the gun body 175 185 in lb 20 21 Nem Air Valve Repair 8 Repair 1 Unscrew the spring cap 11 from the back of the gun body 1 using the gun tool 30 Remove the two springs 15 and 19 the shaft 9 and seat 10 hit 2 Push the air valve assembly 8 out the back of the gun 3 Inspect the u cup 7 in the gun body 1 If the u cup is worn or leaking carefully remove the u cup from the front Seat Repair P of the gun body
9. Instructions G40 Air Assisted Spray Gun 31 For the application of architectural paints and coatings For professional use only Model 288513 289604 Maximum Working Pressure 4000 psi 280 bar 28 MPa Maximum Air Working Pressure 100 psi 7 bar 0 7 MPa Po LA IMPORTANT SAFETY INSTRUCTIONS Refer to your sprayer instruction manual for Pressure Relief priming and spray instructions Keep these instructions ti8835a CEEx PROVEN QUALITY LEADING TECHNOLOGY 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 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 SKIN INJECTION HAZARD High pressure fluid from gun hose leaks or ruptured components will pierce skin This may look like just a ut 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 ser
10. al Kit Standard Included in 248936 RAC X One Seal Kit Solvent 311937G Technical Data Technical Data Maximum Working Fluid PreSSUre ccccseccseeeceeeceeeeseeeceeeseeeseeeseeeeaees 4000 psi 28 MPa 280 bar Maximum Working Air Pr SSULe ccccseccceeeeeeeceeceeeceeeeseeeesaeeesaeeesaaees 100 psi 0 7 MPa 7 bar Maximum Working Fluid Tempera 110 F 43 C EE Ci EE E E E T E E E FORINTIG koreana a ek aetna eee eae meer area re ee eee 1 4 18 npsm PAU UNG ates ieee us tea conan once Uo othe acne eter eee 1 4 18 nosm Gun 16 oz 450 grams WV GIGI iicence a Sound Pressure 20 psi 140 kPa 1 4 Dar cccccccseeecesseeeeseeeeeeeeeeeees 66 9 dB A Sound Pressure 100 psi 0 7 KPa 7 Dal ccccccccccseeeeeceeeeeseeeeeeeeeeees 80 0 dB A Sound Power 20 psi 140 kPa 1 4 Dalr cc cccccceecceseeeeeeeeeeeeseeeeeteeeees 76 8 dB A sound Power 100 psi 0 7 kPa 7 Dal cesses accietincctoncteai chen 89 9 dB A Weited Parts Stainless Steel Carbide Ultra High Molecular Weight Polyethylene Acetal PTFE Nylon Flou roelastomer All readings were taken with fan valve fully closed full fan size at 20 psi 140 kPa 1 4 bar and 100 psi 0 7 kPa 7 bar and at the assumed operator position Sound Power tested to ISO 9614 2 311937G 9 Graco Standard Warranty Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name
11. down into a grounded metal container Pull gun trigger and flush gun with solvent until all traces of fluid are removed from gun passages Turn sprayer function selection switch to OFF Relieve pressure page 4 Disconnect fluid supply hose from gun 0 If it is necessary to remove diffuser 5 to clean trigger gun while you remove the diffuser with the gun tool 30 11 Dip the soft 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 12 With gun pointed down clean front of the gun with the soft bristle brush and solvent 13 Scrub the tip 83 and guard 6 with soft bristle brush To clean out air cap holes use a soft tool such as a toothpick to avoid damaging critical surfaces Blow air through the spray tip to ensure the orifice is clean a So a Warnings 14 If the diffuser 5 was removed trigger the gun while you Needle Repair 2 reinstall the diffuser with the gun tool 30 Tighten the diffuser securely to obtain a good seal Torque to 155 165 in lb 18 19 N m When properly tightened the flange will 1 Relieve pressure page 4 Remove the diffuser 5 see Seat Repair page 6 bottom out on the gun 2 Remove the trigger pivot pin 15 Install tip 83 and guard 6 on gun page 4 nut 14 pivot pin 13 and we 16 Using a soft cloth dampened in solvent wipe off outside of trigger 3 using the gun tool
12. e 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 MAKES 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
13. er 288514 Reassembly 1 Install the tube gasket 22 in the gun Hand tighten the fluid tube connector 16a into the gun s fluid inlet Anti gens the air inlet fitting 17 and screw 20 Torque the fluid tube connector to 150 160 in lb 17 18 Nem Torque the air inlet fitting to 175 185 in lb 20 21 Nem Torque the fluid tube bracket screw to 50 60 in lb 6 7 Nem 2 Install the inline fluid filter 24 into the base of the fluid tube 16 Screw the fluid inlet fitting 25 into the base of the tube Torque to 175 185 in lb 20 21 Nem 3 Place the new u cup 7 on the seal installation tool 28 with the u cup lips facing the tool Push the u cup into the back of the gun until you feel a definite snap A Lubricate lightly Lips face out of gun body gt LO O ti6578a 4 Lubricate the front end of the air valve assembly 8 Gently slide the air valve assembly into the back of the gun passing through the u cup 7 as far as it will go Be careful not to damage the u cup 5 Slide the seat 10 onto the shaft 9 Be sure that the tapered end of the seat is toward the thicker end of the shaft Carefully insert the shaft 9 and seat 10 in the air valve 8 311937G Warnings 6 Install the two springs 15 and 19 Screw the spring cap 11 into the back of the gun body Torque to 175 185 in lb 20 21 Nem 7 Lightly lubricate the needle assembly o rings and shaft where the packing slides Be sure that
14. igger 1a Trigger gun into pail or onto ground to remove clog 3 Lock trigger 1a Rotate tip 83 180 back to spray position l Spraying Refer to your Sprayer Instruction manual The following instructions are for guns used with Graco s FinishPro Sprayers Air Assisted Spraying 1 Set sprayer function selection switch to AIRLESS spray ing 2 Open gun air pressure regulator all the way 3 Prime pump following priming instructions provided in sprayer operation manual 311905 4 Turn sprayer fluid pressure control to highest setting 5 Unlock trigger 1a While triggering gun turn down sprayer fluid pressure until you notice tails forming in spray pattern 6 Stop triggering gun 7 Set sprayer toggle switch to AA Air Assisted spraying 8 Trigger gun While spraying increase gun air pressure regulator until tails disappear 9 Use gun air regulator to fine tune spray pattern Airless Spraying 1 Set sprayer function selection switch to AIRLESS spray ing 2 Prime pump following priming instructions provided in sprayer operation manual 311905 3 Start with sprayer pressure turned to lowest setting 4 Spray atest pattern Gradually increase sprayer pressure until you achieve a consistent spray pattern without heavy edges Use a smaller tip if pressure adjustment alone does not eliminate edges ye Sr pattern clean air holes with solvent and a Co tine a soft brush or toothpick Do not
15. ntly been operated relieve pres sure 2 Insert seat housing 35 6 ps o into guard 6 3 Insert SwitchTip 33 4 Insert seal 33b over seat i PD 35a and insert in seat Ny housing 25 Use black ti8249a H S seal for water based materials and orange for solven and oil based materials 5 Install guard 6 over end of gun Hand tighten If you notice fluid leaking from front of gun replace the seat 33a and or retighten the guard nut Operation Note The following instructions are for guns used with Graco s FinishPro Sprayers See the sprayer instruction manual 311905 If you are using a different sprayer see your equipment instruction manual If you are using a FinishPro 390 Model Sprayer air regulation is only provided at the gun The FinishPro 395 Model Sprayers provide additional air regulation at the amp 1 Unlock trigger 1a 2 Be sure the arrow shaped tip 33 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 Always hold gun at a right angle from the surface Do not make an arc with the gun This causes an uneven coat of fluid To obtain an even finish use smooth even strokes across the object being sprayed with a 50 overlap sprayer 311937G Clearing a Clog Relieve pressure Lock trigger 1a 2 Rotate tip 33 180 Unlock tr
16. replace worn or damaged parts immediately with genuine manufac turer 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 2 311937G 311937G Warnings PRESSURIZED ALUMINUM PARTS HAZARD Do not use 1 1 1 trichloroethane methylene chloride other halogenated hydrocarbon solvents or fluids ontaining 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 ou 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 Warnings Pressure Relief Procedure Follow this Pressure Relief Procedure whenever instructed to relieve pressure stop spraying check or service equipment or install or clean spray tip 1 Lock trigger Turn OFF power and turn pressure control to lowest pressure setting
17. using a pick Use Carbide Seat Repair Kit 249456 For best results use all new parts provided in kit 1 Relieve the pressure page 4 Remove the fluid and air hoses from the gun 2 Remove the guard 6 and spray tip 33 3 Trigger gun to pull the needle housing off the seat while you unscrew the diffuser 5 from the gun body 1 using gun tool 30 4 Inspect o rings 5e 5f and 6a in place Carefully remove the o rings from the diffuser housing 5a and replace if necessary 5 Remove the seat nut 5d seat 5c and seat gasket 5b using a 7 32 in hex wrench 6 Inspect seat 5c and seat gasket 5b and replace if necessary 7 Reinstall the seat gasket 5b seat 5c and seat nut 5d Torque to 45 50 in lb 5 0 5 6 Nem Be sure not to overtighten nut e When reinstalling the carbide seat 5c the tapered end of the seat must point toward the gun tip TI6577A 6 311937G Fluid Tube Replacement 16 1 Remove the air inlet fitting 17 using the gun tool 30 and remove the screw 20 using a 3 16 in hex wrench 2 Unscrew the fluid inlet fitting 25 Remove and clean or replace the inline fluid filter 24 3 Unscrew fluid tube connector 16a from fluid inlet Carefully remove gasket 22 gt y 16 N J Flat Tip Conversion Kit 24 A Optional o 25 _ D The Flat Tip Conversion Kit allows ti6573a Naf AAM Flat Tips to be used with this gun Order part numb
18. vicing equipment FIRE AND EXPLOSION HAZARD Flammable fumes such as solvent and paint fumes in work area can ignite or explode To help prevent ire 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 operation 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 compo nent 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 manufacturers warnings For complete information about your material request MSDS forms from distributor or retailer Check equipment daily Repair or
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