Graco Inc. 12004 Paint Sprayer User Manual
Contents
1. 10 Unscrew packing nut 5 from gun body 17 11 Remove cartridge assembly through side of gun handle Cartridge Disassembly Procedure 1 2 Remove o ring 4 from groove on packing nut 5 Loosen lock nut 14 on cartridge while holding yoke 1 in a soft Separate needle ball 8 from yoke 1 using the slot in needle ball to unscrew the yoke Remove adjusting screw 3 from packing nut 5 Then separate needle ball 8 from packing support 7 Push seals 6 out of packing nut 5 Nut Packing Nut Packing Support gt AN 5 Reassembly Clean all parts thoroughly before reassembling Check them carefully for damage or wear replacing parts as needed For best results replace the original parts with new parts in repair kits Prior to assembly lubricate all seals and o rings with PARKER O LUBE or an equivalent lubricant 1 Push seals 6 in the packing nut 5 2 Screw adjusting screw 3 into packing nut 5 Insert needle ball 8 into packing support 7 Nut Packing Nut Y Packing Support x Needle ball N Y Adjusting Screw Seal MON sm 3 Attach needle ball 8 to yoke 1 using slot in the yoke to screw needle ball 4 Secure yoke in soft jawed vice Tighten lock nut to cartridge Install o ring 4 onto groove in packing nut 5 Insert cartridge assembly through front of gun han dle Screw packing nut 5 in gun body 17 Install trigger 18 and i2. 12 While holding adapter stationary screw collar 17 and nozzle 18 into adapter Do not overtighten col lar 13 Reconnect flow gun to material supply line 14 Turn on material supply line 15 Return flow gun to normal operating condition 11 Parts Parts Models 12004 amp 12004X Item 4 2 0000 40 0 N 12 Part No C27052 100284 C19284 C27061 106555 C27058 C27060 C27053 C27038 C27063 C20102 C19950 15X116 Description YOKE NUT hex model 12004 NUT hex model 12004 X SCREW adjustment PACKING o ring PACKING nut SEAL needle SUPPORT packing NEEDLE ADAPTER ball seat PACKING o ring SCREW cap sch model 12004 model 12004 X PIN trigger model 12004 model 12004 X X4 4 o 4 X ee 4 md C5 no Co mn Part No C00020 C27036 C27037 C00004 C27049 C27051 C34009 108483 C20565 070269 C19208 101369 Description SPRING NUT lock RETAINER spring COLLAR BODY flow gun TRIGGER hot melt TRIGGER lock SCREW shoulder sch WASHER spring SEALANT anaerobic LOCKWASHER model 12004 model 12004 X WRENCH hex key 3 32 in not shown Qty ee la la la la cl clc WP 309739 Model 12005 ltem Part No C27052 C19284 C27061 106555 C27058 C27060 C27071 C27077 C20102 C19950 15X116 C00020 C27036 C27037 309739 Description YOKE NUT hex SCREW adjustment PACKING o ring PACKING nut SEAL needle
3. Check spring tension adjustment at rear of gun Spring tension should be adjusted to allow approximately 1 32 in of free play on trigger Verify integrity of trigger pin through yoke Repair or replace cartridge assembly as necessary Needle and seat adapter loose or worn Check that seat adapter is tightened firmly and flush to gun body Needle and seat adapter worn Replace components as necessary Seal leakage Packing adjustment nut not snug Follow Pressure Relief Procedure page 5 Tighten packing adjustment nut Worn seals and packings Rebuild gun as necessary Material leaks from gun inlet swivel Worn seals Replace seals 309739 Troubleshooting 309739 7 Service Service Models 12004 12004X Disassembly 1 Actuate gun to purge material and relieve pressure in gun Pressure Relief Procedure page 5 Disconnect material supply line from gun handle Hold adapter 9 stationary and unscrew nozzle and collar 16 With trigger depressed unscrew adapter 9 from gun body 17 Remove o ring 10 from adapter 9 Loosen lock nut 14 Carefully unscrew and remove spring retainer 15 and spring 13 from the gun body 17 Remove screw 11 and lock washer 23 from side of trigger 18 Pull trigger pins 12 from gun body 17 and remove trigger 18
4. NEEDLE FITTING adapter PACKING o ring RING snap PIN trigger SPRING NUT lock RETAINER spring Qty la la PP Sw BH Sa oo a Item Part No C00004 C27049 C27051 C27076 C27072 C27074 C27075 103337 C34009 108483 C20565 070269 C19208 101369 Description COLLAR BODY flow gun TRIGGER hot melt NUT VALVE piston PACKING PTFE o ring GUIDE PACKING o ring TRIGGER lock SCREW shoulder sch WASHER spring SEALANT anaerobic LOCKWASHER WRENCH hex key 3 32 in not shown Qty lk a a ND ROLE a O X Parts 13 Parts Model 12006 ltem Part No C27080 C27053 C27058 C27060 106555 C27061 C19284 C27052 C02064 0 C27063 SOONDOAARWN 14 Description NEEDLE SUPPORT packing PACKING nut SEAL needle PACKING o ring SCREW adjustment NUT hex YOKE GASKET ADAPTER ball seat Qty PAE Qj PE Part No C20102 C19950 15X116 C00020 C27036 C27037 C00004 C27086 C27049 C27051 C34009 108483 C20565 070269 C19208 101369 Description PACKING o ring RING snap PIN trigger SPRING NUT lock RETAINER spring COLLAR NOZZLE BODY flow gun TRIGGER hot melt TRIGGER lock SCREW shoulder sch WASHER spring SEALANT anaerobic LOCKWASHER WRENCH hex key 3 32 in not shown Q lt La La a La la la La cla 2a NN 309739 Technical Data Maximum fluid working pressure Inlet port size on gun housing Weight DIMENSI
5. Instructions Parts List G GRACO Pistol Grip Flow Gun 309739D For dispensing ambient temperature sealants and adhesives Important Safety Instructions e Read all warnings and instructions in this manual Save these instructions See page 2 for part numbers and maxumum work ing pressure ts Model 12004X Model 12006 PROVEN QUALITY LEADING TECHNOLOGY Models Models Pistol Grip Base Seal Pistol Grip Tip Seal Part Number Model Description Part Number Model Description 2500 psi 17 2 MPa 172 bar maximum working pressure 2000 psi 13 79 MPa 137 9 bar maximum working pressure C27020 12004 Standard base seal C27078 12006 Pistol Grip Tip Seal C27031 12004X Two stage easy pull C27067 12005 Balanced piston Contents Models eame id Ges 2 Warnings cule IRI aa 3 Grounding and Electrical Requirements 4 Installation ooooooooconnnnnmo ooo 5 Pressure Relief Procedure 5 Trigger Lock vet oie rd ees 5 Troubleshooting oo oooooommom o 6 SOVICE sient dd es 8 Models 12004 12004X 0000 8 Model 12005 0 00 cece eee eee 9 Model 12006 2 000 e cece 11 PARES health a ines E a teal se eu 12 Models 12004 amp 12004X o o o o 12 Model 12005 0 00 cece eee eee 13 Model 12006 00 eee eee eee 14 Technical Data L s 15 G
6. ONS ei ated a DIU EER DAE Wetted paris cru 22222 RR ENER EaR CE Approval 309739 Technical Data Models 12004X 12004 and 12005 2500 psi 17 2 MPa 172 bar Model 12006 2000 psi 13 79 MPa 137 9 bar 1 2 14 NPT Models 12004X 12004 and 12005 1 4 Ib 64 kg Model 12006 1 6 Ib 73 kg Height 7 in 178 mm Width 2 in 51 mm Length Models 12004X 12004 and 12005 7 in 178 mm Model 12006 9 in 229 mm Models 12004 and 12004X aluminum fluorocarbon rubber carbon steel tool steel brass tetrafluoroethylene Model 12005 aluminum fluorocarbon rubber carbon steel brass fluoroelastomer stainless steel PTFE tetrafluoroethylene Model 12006 aluminum fluorocarbon rubber carbon steel brass tetrafluoroethylene Models 12004X 12004 and 12005 Yes Model 12006 No 15 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 Grac
7. artridge Disassembly Procedure 1 Remove guide 22 from needle 8 ti4035a 2 Remove two o rings 23 from guide 22 e AS ti4036a 3 Unwind spiral PTFE o ring backup 21 from guide 22 4 Loosen adjustment screw 3 while holding packing nut 5 Extract needle 8 from packing nut 5 Remove o ring 4 from groove in packing nut 5 Remove adjustment screw 3 o N Og Push three seal needles 6 out of packing nut 5 with soft rod or dowel e ti4039a 9 Hold yoke 1 in soft jawed vice Unlock stop nut 2 hy Y ti4040a 10 Separate needle 8 from yoke 1 Service Reassembly Clean all parts thoroughly before reassembling Check them carefully for damage or wear replacing parts as needed For best results replace the original parts with new parts in repair kits Prior to assembly lubricate all seals and o rings with PARKER O LUBE or an equivalent lubricant 1 2 3 4 Connect needle 8 and stop nut 2 to yoke 1 Secure yoke 1 in soft jawed vise Lock stop nut 2 against yoke Insert needle 8 into packing nut 5 Push three seal needles 6 in packing nut 5 using soft rod or dowel Orient as shown below Pd NE Install o ring 4 on groove of packing nut 5 Install guide 22 on needle 8 Rewind spiral o ring backup 21 on guide 22 Install two o rings 23 on guide 22 Insert cartridge assembly in gun body 17
8. c tive material and air hoses Dispense gun ground through connection of hose or cable Air compressor follow manufacturer s recommen dations Object being sprayed refer to local code Fluid supply container refer to local code Solvent pails used for flushing refer to local code 309739 Installation Inspect flow gun for shipping damage If damage is found notify the carrier immediately If material hose will be suspended by a hanger or tool balancer route hose through the suspension device before securing each end of material hose 1 Connect flow gun to any standard Graco hose assembly 2 Connect the opposite end of the heated hose assembly to any fluid supply system See Model table page 2 for maximum fluid working pressure for your gun model Tighten fluid connections 4 Before operating gun squeeze and release trigger a few cycles Observe action of cartridge assembly Pressure Relief Procedure To help prevent injuries follow this procedure when you shut off the flow gun and before check ing or adjusting any part of gun AE 1 Shut off air to pump 2 Close bleed type master air valve required in your system 3 Hold metal part of spray gun firmly to side of grounded metal pail Trigger gun to relieve pressure ti3795a 4 Open drain vaive ana or pump pieeder valve having a container ready to catch the drainage 5 Leave drain valve open until y
9. d spring retainer 16 and remove spring 14 8 Loosen and remove adjustment screw 6 on pack ing nut 3 and pull needle assembly from rear of gun Inspect for damage replace if needed 9 Remove packing assembly from gun 10 Unthread packing nut 3 from body 11 Remove adjustment screw 6 and o ring 5 and seals 4 309739 Service Reassembly Clean all parts thoroughly before reassembling Check them carefully for damage or wear Replace parts as needed For best results replace the original parts with new parts in repair kits Prior to assembly lubricate all seals and o rings with PARKER O LUBE or an equivalent lubricant 1 Replace o ring 5 and seals 4 in packing nut 6 Nut Packing Nut Packing Support x Qu Needle Yoke Adjusting Screw Seal ti4057a O Ring Thread packing nut 3 into gun body Install packing assembly through rear of gun Install needle assembly through rear of gun a e oO Install spring 14 and spring retainer 16 into gun body Adjust spring retainer to allow approximately 1 32 in of free play on trigger 6 Tighten lock nut 15 7 Install trigger 20 and insert trigger pins 13 in gun body 8 Secure trigger pins 13 using screws 12 and lock washers 25 9 Replace o ring 11 Lubricate with petroleum jelly to aid in reassembly 10 With trigger 20 retracted screw adapter 10 into gun body 11 Insert gasket 9 in collar 17
10. from rear of gun 10 Screw packing nut 5 into gun body 17 11 10 Insert valve 20 through front of gun on needle 8 E ti4050a A 12 13 14 15 16 19 20 21 22 23 24 25 Tighten nut 19 on needle 8 a ti4051a Adjust screw 3 to tighten packings Install trigger 18 Align yoke 1 in gun body 17 Press trigger pin 12 into gun body Secure trigger pins 12 using screws 11 and lock washers 28 Install spring 13 and spring retainer 15 into gun body 17 Adjust spring retainer to allow approximately 1 32 in of free play on trigger Tighten stop nut 14 Install o ring 10 on adapter 9 With trigger retracted screw adapter 9 on gun body 17 While holding adapter 9 stationary screw collar 16 and nozzle into adapter Do not over tighten collar Reconnect flow gun to material supply line Turn on material supply line to gun Return flow gun to normal operating condition 309739 Model 12006 Disassembly 1 With trigger 20 depressed remove collar 17 securing nozzle 18 to gun 2 Remove nozzle 18 holding adapter 10 firmly to prevent it from turning Remove gasket 9 Clean and inspect for damage 4 Remove adapter 10 from gun body Remove both screws 12 and lock washers 25 on one side of trigger 20 and push both trigger pins 13 out of body 6 Loosen lock nut 15 at rear of gun 7 Unthrea
11. h or serious injury e Do not exceed maximum working pressure or temperature rating of 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 manufacturers warnings e Check equipment daily Repair or replace worn or damaged parts immediately e Do not alter or modify equipment e For professional use only e Use equipment only for its intended purpose Call your Graco distributor for information e Route hoses away from traffic areas sharp edges moving parts and hot surfaces e Do not use hoses to pull equipment 309739 3 Grounding and Electrical Requirements Grounding and Electrical Requirements ANY The following are minimum requirements for a basic dis pensing system Your system may include other equip ment or objects that must be grounded Check your local electrical code for detailed grounding instructions for your area and type of equipment To maintain grounding continuity when flushing or reliev ing pressure always hold a metal part of spray gun firmly to side of a grounded metal pail Then trigger spray gun ti3795a 1 Pump connect a ground wire and clamp to a true earth ground as shown in pump manual Applicator ground through motor cable assembly Fluid and air hoses only use electrically condu
12. nsert trigger pins 12 in gun body 17 Secure using screws 11 and lock wash ers 23 9 Install snap rings 11 from top to bottom to secure trigger pins 12 10 Install spring 13 and spring retainer 15 into the gun body 17 Adjust spring retainer to allow approximately 1 32 in of free play on trigger 11 Tighten lock nut 14 12 Install o ring 10 to adapter 9 13 With trigger retracted screw adapter 9 into gun body 17 309739 14 Hold adapter 9 stationary and screw nozzle and collar 16 into adapter Do not over tighten collar 15 Reconnect flow gun to material supply line 16 Turn on material supply line 17 Return flow gun to normal operating condition Model 12005 Disassembly 1 Actuate gun to purge material and relieve pressure in gun Pressure Relief Procedure page 5 2 Disconnect material supply line from gun handle 3 Hold adapter 9 stationary and unscrew nozzle and collar 16 4 With trigger depressed unscrew adapter 9 from gun body 17 Remove o ring 10 from adapter 9 Loosen lock nut 14 Carefully unscrew and remove spring retainer 15 o N q Remove screws 11 and lock washers 28 from trigger pins 12 9 Pull trigger pins 12 from gun body 17 and remove trigger 18 10 Remove piston valve 20 from front of gun 11 Unscrew packing nut 5 from gun body 17 12 Remove cartridge assembly from gun 309739 Service C
13. o 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 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
14. 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 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 Anglai
15. ou are ready to spray dispense again 309739 Installation If you suspect the tip nozzle or hose is completely clogged or that pressure has not been fully relieved after following the above steps VERY SLOWLY loosen the retaining nut or hose end coupling to relieve pressure gradually Then loosen it completely Clear tip nozzle or hose Trigger Lock Always engage trigger lock when you stop dispensing to prevent gun from being triggered accidentally by hand or if dropped or bumped To engage trigger lock release trigger and rotate lock downward See Fig 1 Do not try to force trigger valve open with trigger lock engaged This could result in component fail ure Y W Trigger Lock l Engaged E A M Fic 1 Trigger Lock Engaged To disengage trigger lock rotate it upward See Fig 2 WW Trigger Lock UF Disengaged s M Fic 2 Trigger Lock Disengaged Troubleshooting Troubleshooting Problem Cause Solution Gun fails to dispense when trigger is actuated Material lodged in nozzle Follow Pressure Relief Procedure page 5 Clear nozzle of blockage Material supply hose passages clogged Check material supply settings hoses etc for proper material supply Verify integrity of trigger pin through yoke Repair or replace cartridge assembly as necessary Gun fails to dispense when trigger is engaged Tension of trigger needs adjustment
16. raco Standard Warranty 16 Graco Information uss 16 2 309739 Warnings Warnings ELECTRIC SHOCK HAZARD Improper grounding setup or usage of the system can cause electric shock uly e Turn off and disconnect power at main switch before disconnecting any cables and before servicing uw equipment e All electrical wiring must be done by a qualified electrician and comply with all local codes and regu lations e Connect only to grounded power source SKIN INJECTION HAZARD High pressure fluid from gun hose leaks or ruptured components will pierce skin This may look like just 6 a cut but it is a serious injury that can result in amputation Get immediate surgical treatment e Do not point gun at anyone or at any part of the body e Do not put your hand over the spray tip e Do not stop or deflect leaks with your hand body glove or rag e Engage trigger lock when not spraying e Follow Pressure Relief Procedure on page 5 if the nozzle clogs and before cleaning checking or servicing equipment Toxic FLUID HAZARD AN Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on the skin inhaled or swallowed e Read MSDS s to know the specific hazards of the fluids you are using e Store hazardous fluid in approved containers and dispose of it according to applicable guidelines 9 EQUIPMENT MISUSE HAZARD e Le Equipment misuse can cause deat
17. s ainsi que tous documents avis et proc dures 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 TO PLACE AN ORDER contact 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 This manual contains English MM 309739 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 Copyright 2002 Graco Inc is registered to ISO 9001 WWW graco com Revised 1 2009
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