Home

Canon EOS 5D Digital Camera User Manual

1. 17 06423B Fig 7 Continued on the next page 308018 21 Electrical Tests Test Power Supply Resistance Remove the power cartridge 18 from the gun handle See Power Cartridge Replacement on page 29 Remove the turbine alternator from the power car tridge See Turbine Alternator Removal on page 30 Measure the resistance from the power supply s ground contact point EE to the contact spring 18c on the other end of the power supply See Fig 8 The resistance should be 157 5 to 192 5 megohms If the resistance is outside the specified range the power supply is defective and must be replaced If the resistance of the power supply is correct proceed to the next test If you still have problems refer to the Electrical Troubleshooting chart on page 20 for other possible causes of poor performance or contact the nearest authorized service agency A f AUE J at S EE 18c 18 03566B Fig 8 22 308018 Test Resistor Stud Resistance Insert a conductive rod B into the gun barrel re moved for the power supply test and against the metal contact C in the front of the barrel See Fig 9 Measure the resistance between the conductive rod B and the gun electrode 20 The resistance
2. INSTRUCTIONS PARTS LIST This manual contains important L warnings and information GRACO READ AND KEEP FOR REFERENCE 308018 Rev W INSTRUCTIONS Model PRO 3500hc Electrostatic Air Spray Gun 65 kV HIGH CONDUCTIVITY MANUAL GUN 100 psi 7 bar 0 7 MPa Maximum Working Pressure For use with electrically conductive solvent based coatings including metal flake paint Part No 222625 Series B PRO 3500hc Electrostatic High Conductivity Air Spray Gun Part No 223451 Conversion Kit To change the PRO 3500sc Spray Gun to the PRO 3500hc Spray Gun 7 ge ee W NOTE Any modification of genuine Graco parts or replacement of parts H with non Graco parts will void agency approvals U S Patent No 4 290 091 4 219 865 4 497 447 4 462 061 4 660 774 D313 064 4 978 075 Patented 1986 1987 1990 Canada Brevete 1986 1987 1990 U K Patent No 2 147 158 2 142 559B 2 140 327B 9961 French Patent No 89 16305 Other U S and Foreign Patents Pending GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 Pe COPYRIGHT 1989 GRACO INC Graco Inc is registered to l S EN ISO 9001 HO03 2 308018 Table of Contents Warnings Gare ctnatedaecnw ed aew a Sue lca aac Gen 4 SVIMDOIS 2 5 nay teh al 7 0 9 eds ina et ead Ked 5 Introduction seadecaeede seca dese 6 How the Electrostatic Air Soray Gun Works 6 Converting a PRO 3500sc Gun to a PRO 3500hc Gun 0 cece eee 6
3. 30 308018 Barrel Installation 1 Be sure the gaskets 34 amp 18a and spring 30 are in place See Fig 19 Replace if damaged 2 Place the barrel 3 over the power cartridge 18 and onto the gun handle 7 Make sure the fluid needle spring 30 is seated properly 3 Tighten the three socket head cap screws 5 oppositely and evenly to 18 in lbs 2 Nem maxi mum about a half turn past snug with the wrench 63 supplied 4 CAUTION To avoid damaging the gun do not over tighten the cap screws 5 4 Assemble the fluid tube 12 back into the fluid fitting 5 Test the gun resistance as instructed on page 21 18a 12 wh Tighten to 18 in lbs 2 Nem maximum about half turn past snug using wrench provided Fig 19 06627 Service Fan Air Adjustment Valve Repair DETAIL 1 Prepare the gun for service as instructed on page La Ta 43e To disassemble the fan valve NS 2 Place a wrench on the flats of the valve housing and remove it from the handle See Fig 20 NOTE The fan air valve 43 can be replaced as an assembly or as individual parts 3 Remove the retaining ring 43b Rotate the air adjustment knob 43c counterclockwise until it is disengaged from the valve housing threads 43d Pull the adjustment knob out of the valve housing 4 Clean all the parts and inspect them for wear or damage as 5 When reassembling the fan air valve 43 lubricate
4. Replace the fluid nozzle see page 24 The fluid adjustment valve is damaged Replace the o ring see page 32 The equipment is covered with fluid The exhaust air flow is insufficient or not Check for the proper CFM check the directed properly baffles and direction of the air flow The distance between the gun and work piece is incorrect inches 203 to 305 mm The air cap is dirty The air cap and fluid nozzle are mis Check the air cap and fluid nozzle seat for aligned fluid buildup Adjust the spraying distance to 8 to 12 Clean or replace parts as needed see page 17 or 24 Fluid Nozzle ALIGNED MISALIGNED 308018 19 Troubleshooting Electrical Troubleshooting Problem Poor wrap around Operator gets a mild shock Cause The ES ON OFF lever is in the OFF O position Solution Turn the lever to ON 1 The distance between the gun and work piece is incorrect Adjust the spraying distance to 8 to 12 inches 203 to 305 mm The parts are poorly grounded Clean the workpiece hangers Check for proper grounding on the conveyer or track The booth exhaust velocity is too high The atomizing air pressure is too high Reduce the atomizing air pressure The fluid pressure is too high Reduce exhaust velocity within code limits Reduce the fluid pressure The fluid viscosity is not right for electros tatic spray Check with the s
5. 2 1 MPa Maximum Working Pressure Relieves air trapped in the air line between the paint pump air motor and this valve when closed 3 4 npt 308018 39 Accessories Use Only Genuine Graco Parts and Accessories FLUID LINE ACCESSORIES Fluid Hose Assemblies Nylon 225 psi 14 bar 1 4 MPa Maximum Working Pressure FM Approved 1 4 in 6 35 mm ID 3 8 nosm fbe 215637 215638 25 ft 8 m 50 ft 15 m Fluid Hose Assemblies Nylon 500 psi 35 bar 3 5 MPa Maximum Working Pressure FM Approved 1 4 in 6 85 mm ID 3 8 nposm fbe 216076 25 ft 8 m 216077 50 ft 15 m 216079 100 ft 30 m Fluid Tube PTFE 185806 100 psi 7 bar 0 7 MPa Maximum Working Pressure For reducing flushing time Replaces item 12 in parts list 0 078 in 1 98 mm ID 0 375 in 9 53 mm OD 5 50 in 139 mm long Fluid Shutoff Drain Valve 500 psi 35 bar 3 5 MPa Maximum Working Pressure For turning fluid off or on to the gun and for relieving fluid line pressure at the pump 208630 1 2 npt m x 3 8 npt f carbon steel and PTFE for non corrosive fluids Lf 40 308018 MISCELLANEOUS ACCESSORIES Snap Ring Pliers 110090 For removing the ES ON OFF Valve Retaining Ring item 47 in Parts List Paint Resistance Meter 722886 Used with 722860 Paint Probe to measure resistance of paint Not for use in Hazardous areas Paint Probe 722860 Used with 722886 Paint Resistance Meter to measure resistance of paint Not for use in
6. 5 Clean and inspect the parts for damage Replace if necessary Lubricate the o ring 36 with petroleum jelly 4 CAUTION Do not over lubricate parts Excessive lubricant on the o ring 86 can be pushed into the gun air pas sage and blemish the finish on the workpiece 6 Install the regulator disk 46 in the valve 38 with its bevelled side facing in toward the valve a A CA UTI O N Bevelled side of disk 46 faces toward valve 38 Lubricate o rings with petroleum jelly Be sure the regulator disk 46 is installed correctly A missing or incorrectly installed regulator disc can cause severe damage to the power supply 06632 Fig 23 34 308018 Service Tube and Shroud Removal Replacement 1 Prepare the gun for service as instructed on page 2 Remove the air cap nozzle and resistor stud and electrode as instructed on page 29 3 Loosen the nut 14 and disconnect the fluid tube 12 from the bracket fluid fitting 16 See the Parts Drawing on page 36 4 Remove the trigger 13 for ease of disassembly 5 Pull the shroud 10 forward away from the gun barrel 3 until the shroud opening passes over the gun barrel threads 6 Continue to remove the shroud 10 by grasping the bottom as shown in Fig 24 and pushing up towards the barrel 3 while twisting the shroud off 7 Remove the ferrules 9 and nut 14 from the tube assembly 12 See the Parts Drawing on page 36 8 Slide t
7. INSTANATION 220 4 276 N Fn one eh 3 ee ae et 8 Installing the System eee 9 Warning SIGNS 2 cee ee eee 9 Ventilate the Spray Booth 9 Connect the Air Line sedis Soya en dela nnana 9 Connect the Exhaust Tube 10 Connect the Fluid Line nannaa 10 Ground the System 00 eee eee 10 Check the Electrical Grounding 11 OperatioM 4 9 dh ad Mie cba aad ard wae 13 Pressure Relief Procedure 13 Piter ine Te sera nsagesacat a2 wierd te sir dois ede ese hina andadee abe 13 Operating Checklist anana nananana 13 Selecting a Fluid Nozzle and Air Cap 14 Operating the Spray Gun nnnannnan 14 SS ILIECO WWI TTT 16 Mainte ant 2 2 ae ented ed meee ad Hemet es 16 Daily Care and Cleaning 0 16 Clean the Air Cap and Fluid Nozzle 17 Flush the Spray Gun 00 ee eee 17 Troubleshooting cece eae 18 Spray Pattern Troubleshooting 18 Gun Operation Troubleshooting 19 Electrical Troubleshooting 20 Electrical Tests i223 stn ee eon ead NER 0 E 21 Test Gun Resistance eee 21 Test Power Supply Resistance 22 Test Resistor Stud Resistance 22 Lo Vd lt a ee er Re ec 24 Prepare the Gun for Service 24 Air Cap Nozzle Resistor Stud Replacement 24 Electrode Replacement 005 25 Barrel Remo
8. The gun is supplied with a 0 059 in 1 5 mm fluid nozzle P N 185158 and air cap P N 193033 If your application requires a different nozzle and air cap combination use instruction manual 307803 or consult your authorized Graco distributor to select the ap propriate fluid nozzle and air cap Install the air cap and fluid nozzle into the gun barrel as instructed in Air Cap Nozzle Resistor Stud Replacement page 24 14 308018 relieve pressure A WARNING COMPONENT RUPTURE HAZARD To reduce the risk of component rupture uH Ra which can cause serious injury do not exceed the maximum working pressure of the lowest rated system component This equip ment has a 100 psi 7 bar 0 7 MPa maximum working air and fluid pressure Follow the steps on page 15 to establish the correct fluid flow and air flow Do not turn the ES ON OFF lever to ON yet Operation Operating the Spray Gun continued 1 Follow the Operating Checklist on page 13 2 To adjust the air cap for a vertical or horizontal spray pattern first make sure the pressure Is relieved Then loosen the air cap retaining nut and rotate the air cap as directed in Fig 5 Tighten the retaining nut until the air cap is held firmly in place you should not be able to rotate the air cap horns by hand Horizontal Pattern 02020 Fig 5 3 Adjust the fluid flow by using the fluid line pressure regulator Refer to instruction manual 307803 to set the fluid pres
9. 10 to 12 in lb 1 1 to 1 4 Nem Apply PTFE paste to the valve housing threads 43d Torque to 10 12 in lb 1 1 1 4 Nem Fig 22 06630 308018 33 Service ES ON OFF Valve Repair 7 Install the valve 38 with the regulator disc 46 1 Prepare the gun for service as instructed on page and o ring 36 Into the gun handle Installl the spacer 32 on the valve 2 Loosen the set screw 24 with the 2 mm hex key 69 provided Remove the lever 26 from the 8 Install the retaining ring 47 into the groove in the valve See Fig 23 handle Install the lever 26 and tighten set screw 24 A WARNING MOVING PARTS HAZARD To reduce the risk of eye injury be sure A WARNING MOVING PARTS HAZARD Make sure that the retaining ring 47 is engaged in the groove in the gun handle when installing the ES ON OFF Valve If to wear safety glasses when removing or installing the retaining ring 47 as the retaining ring could slip off the tool when com pressed 3 Use internal snap ring pliers to remove the retain the retaining ring is missing or improperly installed ing ring 47 from the handle Align the holes in the the valve assembly can be propelled out of the gun retaining ring with the flat on the spacer 32 to when air pressure is applied and cause serious ease assembly and disassembly Injury 4 Remove the valve body 38 from the handle be careful not to drop the regulator disk 46 and spacer 32
10. Hazardous areas Grounding Clamp and Wire 222011 12 ga 25 ft 7 6 m wire Safety Warning Signs FM Approved Available at no charge from Graco Must be ordered separately 180060 Warning Sign English Megohmmeter 241079 500 Volt output 0 01 2000 megohms Not for use in Hazardous areas T10377 ES ON OFF Valve Conversion Kit 223976 Converts the ES ON OFF Valve to a constant on setting A ball valve is included for complete air shut off at the gun Push Pull Pattern Adjustment Valve 224883 Pattern adjustment valve that allows quick adjustment of the pattern width between two adjustable settings Technical Data Category Data Gun Weight 1 89 Ib 0 86 kg Gun Length 9 5 in 240 mm Maximum Working 100 psi 7 bar 0 7 MPa Pressure Air Pressure 0 100 psi 0 7 bar Operating Range 0 0 7 MPa 0 100 psi 0 7 bar 0 0 7 MPa Fluid Pressure Operating Range Voltage Output 0 65 kV Paint Resistivity 3 megohm cm to infinity Range 1 4 nosm m left hand Fluid Inlet 3 8 nosm m Typical Noise Level Sound Pressure T 87 Db A at 40 psi 2 8 bar Sound Power 90 4 Db A 0 28 MPa Maximum Noise Level at 100 psi 7 bar 0 7 MPa Sound Pressure T 99 Db A Sound Power 105 4 Db A Category Data Wetted Parts Stainless Steel Polyethylene Nylon Acetal PTFE Ultra High Molecular Weight Polyethylene Ceramic Fluoroelastomer Music Wire Noise levels measured w
11. 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 procedures concern es Graco Phone Number TO PLACE AN ORDER contact your Graco distributor or call Graco 1 800 367 4023 Toll Free 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 Sales Offices Minneapolis Detroit International Offices Belgium Korea Hong Kong Japan GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 PRINTED IN U S A 308018 December 1989 Revised September 2000 44 308018
12. explosion or electric shock turn the ES ON OFF lever OFF before flushing the gun A WARNING PRESSURIZED EQUIPMENT HAZARD To reduce the risk of an injury follow the Pressure Relief Procedure on page 13 whenever you stop spraying and whenever you are instructed to relieve the pressure Relieve the pressure 2 Disconnect and plug the fluid line 3 Connect the solvent supply to the gun 4 Flush the gun with compatible solvent into a grounded container until it is clean 5 Relieve the pressure 6 Disconnect and plug the solvent line 7 Trigger the gun into a grounded container to drain out the solvent remaining in the gun 8 Place the gun in its hanging bracket with the nozzle pointing down until it is used again 9 When ready to spray again reconnect the fluid supply line 10 Turn on the fluid and air supplies 11 Make sure the ES ON OFF lever is OFF 12 Trigger the gun until it is clear of solvent Fig l 6 06622 308018 17 Troubleshooting A WARNING A WARNING H ELECTRIC SHOCK HAZARD PRESSURIZED EQUIPMENT HAZARD Installing and servicing this equipment To reduce the risk of an injury follow the Pressure requires access to parts which may Relief Procedure on page 13 before checking or Gy cause an electric shock or other serious servicing any part of the system and whenever you injury if the work is not performed properly Do not are instructed to relieve the pressure install
13. fluid leakage from the gun and fluid hoses Tighten fittings or replace equipment as needed 6 Check all of the work hangers for build up of material clean them if necessary 7 Flush before changing colors and whenever you are done operating the gun See page 17 Maintenance Clean the Air Cap and Fluid Nozzle 4 CAUTION Do not use metal tools to clean the air cap or spray tip holes as this could scratch them and make sure the electrode wire is not damaged Scratches in the air Cap or spray tip or a damaged electrode wire can distort the spray pattern Equipment needed e Soft bristle brush 6 Compatible solvent Procedure A WARNING PRESSURIZED EQUIPMENT HAZARD To reduce the risk of an injury follow the Pressure Relief Procedure on page 13 whenever you stop spraying before installing or cleaning the fluid nozzle and whenever you are instructed to relieve the pressure 1 Relieve the pressure 2 Remove the air cap assembly 3 With the front of the gun pointed down clean the air cap fluid nozzle and front of the gun using a soft bristle brush and compatible solvent See Fig 6 4 Carefully re install the air cap assembly Avoid bending the electrode Tighten the retaining nut until it is snug allowing the air cap to turn with resistance 5 Test the gun resistance as instructed on page 21 Flush the Spray Gun A WARNING ELECTRIC SHOCK HAZARD To reduce the risk of fire
14. 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 sub stitution 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 other remedy inc
15. replaced as individual parts or as assemblies The overall assem bly is pre adjusted at the factory NOTE Before installing the packing and needle as sembly into the gun barrel make sure the internal surfaces of the barrel are clean Remove any residue with a soft brush or cloth Check the inside of the barrel for marks from high voltage arcing If the marks are present replace the barrel If the parts are purchased separately assemble them as instructed below and as shown in Fig 17 1 Place the packing nut 28c and o ring 28f on the fluid needle 28a Flats on the packing nut must be facing toward the back of the fluid needle 2 Fill the entire inner cavity of the spacer 28h with petroleum jelly Place the spacer on the fluid needle 28a in the direction shown in Fig 17 Generously apply petroleum jelly to the outside of the spacer 28h 28b 7S9 s 8 3 Place the fluid packing 28e needle packing 28d and housing 28b on the fluid needle 28a as shown in Fig 17 4 Lubricate the o ring 28g on the outside of the packing housing 28b 5 Make sure the spring 80 is installed against the nut as shown in Fig 17 6 Install the packing and needle assembly into the gun barrel Using the multi tool 62 tighten the assembly until just snug then check the drag on the needle 7 Tighten the packing nut to 2 Ibs 9 N of drag force when sliding the needle through the packing cartrid
16. tags and cards are available at no cost x Optional plug 185079 is provided with the gun 308018 37 Parts Part No 223451 Conversion Kit Ref Kit must be purchased separately No PartNo Description Qty Ref No PartNo Description Qty 10 186102 SHROUD 1 28a 223024 c NEEDLE fluid 1 12 223450 TUBE fluid 28b 185495 e HOUSING packing 1 Includes items 12a 12e 1 28c 185488 lt NUT packing 1 12a 111450 e O RING fluoroelastomer 1 28d 178763 c PACKING needle 1 12b 110749 e O RING fluoroelastomer 1 28e 178409 c PACKING fluid 1 12c 110079 e NUT fluid tube 1 28f 111504 e O RING fluoroelastomer 1 12d 110077 FERRULES fluid tube 1 28g 111316 e O RING fluoroelastomer 1 12e 111450 e O RING fluoroelastomer 1 28h 186069 c SPACER 1 28 223444 FLUID PACKING amp NEEDLE ASSY Includes items 28a 28h 1 DETAIL A ey G E T XR Nae X Y REFERENCE ONLY a age Not Included we ee le D See N G R WB REFERENCE ONLY 38 308018 Avy 12e 12c 12g Not Included 06633 Accessories Use Only Genuine Graco Parts and Accessories AIR LINE ACCESSORIES Conductive Air Supply Hose black 100 psi 7 bar 0 7 MPa Maximum Working Pressure FM Approved Color coded black 0 315 in 8 mm ID 1 4 nosm f x 1 4 npsm f left hand thread 220444 s G ft 1 8 m 218100 15 ft 5m 218101 25 ft 8m 218102 36 ft 11m 218103 50 ft 15m 220119 75 ft 23m 220120 100 ft 30 5 m Conductive Air Supply Hose gray 1
17. the air atomizes the fluid is electrostatically charged as it passes the the fluid being sprayed The turbine generates power electrode The charged fluid is attracted to the which is converted by the power cartridge to supply grounded workpiece wrapping around and evenly high voltage current to the gun s ionizing electrode coating all surfaces Converting a PRO 3500sc Gun to a PRO 3500hc Gun NOTE See page 38 to order Conversion Kit 223451 5 Replace the existing fluid packing cartridge K with the new cartridge 28 supplied with Conver 1 Remove the air cap nozzle resistor stud and Slo Niners ote Seer ig D electrode as described in Electrode Replacement 6 Install the threaded fitting located on the tube page 25 assembly 12 into the gun barrel See Fig D Turn the fitting until the o ring 12b is com 2 Remove the fluid seal A fitting B tube C nut pressed D and ferrules E from the gun See Fig A 7 Wrap the tube around the barrel See Fig D 8 Slide the shroud 10 up the fluid tube 12 as A CAUTION shown in Fig B To ensure proper installation of the new parts make 9 sure that the fluid seal A does not remain in the gun barrel Pull the shroud upward as you press it onto the barrel as shown in Fig C Be sure the hose is completely inside the shroud before pressing the shroud onto the barrel 3 Using a soft brush and solvent carefully clean area inside of the barrel whe
18. the seat area 4 Check the o rings 41 23 for damage and replace if necessary Apply petroleum jelly to the o rings 4 CAUTION Do not over lubricate parts Excessive lubricant on the o ring 41 and air valve shaft 39 can be pushed into the gun air passage and blemish the finish on the workpiece 5 Unscrew the packing nut 40 to check the u cup 42 Do not remove the u cup unless it is dam aged 6 Install the air valve shaft 39 with the o ring 41 and spring 44 into the back of the gun handle 7 If the u cup 42 was removed install the air valve shaft 39 before installing the u cup Install the u cup with its lips facing into the gun handle 7 Install the fluid adjustment assembly 45 with the o ring 23 Tighten the adjustment knob 45c with the 14 mm socket wrench Tighten the air valve packing nut 40 until it bottoms Atomizing Air Valve Removal and Replacement 1 Prepare the gun for service as instructed on page 24 2 Remove the fan air valve 43 See Fig 22 4 CAUTION To avoid damaging the atomizing air valve 31 the fan air valve 43 must be removed before removing the atomizing air valve Remove the atomizing air valve 31 from the gun handle Inspect the o ring 19 and replace if necessary 4 Install a new atomizing air valve 31 5 Apply PTFE paste to the fan air valve 43 housing threads and install the valve in the handle Torque the housing to
19. 00 psi 7 bar 0 7 MPa Maximum Working Pressure FM Approved Color coded gray More flexible than black hose 0 315 in 8 mm ID 1 4 npsm f x 1 4 npsm f left hand thread 223068 G ft 1 8 m 223069 15 ft 5 m 223070 25 ft 8 m 223071 36 ft 11m 223072 50 ft 15m 223073 75 ft 23 m 223074 100 ft 30 5 m Conductive Air Supply Hose red 100 psi 7 bar 0 7 MPa Maximum Working Pressure Meets CENELEC EN 50 050 requirement for metallic ground path Color coded red Stainless steel braid ground path 0 315 in 8 mm ID 1 4 npsm f x 1 4 npsm f left hand thread 235068 6 ft 1 8m 235069 15 ft 5 m 235070 25 ft 8 m 235071 36 ft 11 m 235072 50 ft 15 m 235073 75 ft 23 m 235074 100 ft 30 5 m Air Swivel Fitting 236129 100 psi 7 bar 0 7 MPa Maximum Working Pressure Replaces standard fitting item 17 in Parts List 1 4 npsm m left hand thread Air Adapter Nipple 185493 For connecting two or more conductive gun air supply hoses 1 4 npt x 1 4 npsm left hand thread Quick Disconnect Swivel Coupling Assy 112534 Includes a quick disconnect coupling insert which replaces air inlet fitting 185105 and a swivel shut off coupling body with left hand thread which connects to the conductive air hose Air Shutoff Valve 224754 150 psi 10 bar 1 0 MPa Maximum Working Pressure For turning air to gun off or on 1 4 npsm m x 1 4 npsm f left hand thread Bleed type Master Air Valve 107141 300 psi 21 bar
20. 18 and the resistor stud 22 as well as the continuity of the electrical path between the componenis Use megohmmeter P N 241079 A and an applied voltage of 500 volts to complete these electrical tests Connect the leads as shown A WARNING FIRE EXPLOSION AND ELECTRIC SHOCK HAZARD Megohmmeter P N 241079 A see Fig 7 is not approved for use in a hazard ous area To reduce the risk of sparking do not use the megohmmeter to do electrical tests unless 6 The gun has been removed from the hazardous area Or all spraying devices in the hazardous area are turned off ventilation fans in the hazardous area are operating and there are no flammable vapors in the area such as open solvent con tainers or fumes from spraying Failure to follow this warning could cause fire explosion electric shock and result in serious injury and property damage Test Gun Resistance Check the resistance with the gun triggered and with the trigger released The fluid passage must be flushed and dried to get an accurate reading Measure the resistance between the end of the elec trode 20 and the gun air fitting 17 See Fig 7 The resistance should be between 180 to 220 megohms If the resistance is outside the specified range go to the next test If the resistance is correct refer to the Electrical Troubleshooting chart on page 20 for other possible causes of poor performance
21. 23450 111450 110749 110079 110077 111450 191904 185122 185104 185105 222333 185134 106555 110098 185141 185099 185145 106555 190933 185158 223977 109450 110083 111507 186839 223444 223024 Description AIR CAP See Manual 307803 for available air caps RING retaining BARREL gun SCREW trigger SCREW cap relieved M5 x 0 8 HOOK HANDLE gun NUT air cap SHROUD TAG warning TUBE fluid Includes items 12a 12e e O RING fluoroelastomer e O RING fluoroelastomer e NUT fluid tube e FERRULES fluid tube e O RING fluoroelastomer TRIGGER 2 finger MUFFLER flame arrestor BRACKET gun fitting FITTING air POWER CARTRIDGE 65 kV Includes items 18a 1 8f e GASKET power supply e O RING Viton e SPRING compression e CUSHION power supply e PAD e PAD O RING Viton NEEDLE electrode NOZZLE fluid See Manual 307803 for available nozzles STUD resistor O RING PTFE SET SCREW lever M4 x 0 7 O RING fluoroelastomer LEVER ES valve FLUID PACKING amp NEEDLE ASSY Includes items 28a 28h e NEEDLE fluid Qty k k k k k d k k k k CLO M k k k wk k k N k k 43b 43c 43d 43e These parts are included in Air Seal Repair Kit 223021 Part No 185495 185488 178763 178409 111504 111316 186069 185111 238927 185119 185112 185113 185114 113746 222319 110073 185124 185118 224194 185115 111508 105452 222321 105681 1
22. 91805 185090 103557 185116 238895 186826 111516 186822 191794 191795 107107 110082 191744 107460 185103 110231 110086 180060 180209 235300 185079 Description Qty e HOUSING packing e NUT packing e PACKING needle e PACKING fluid e O RING fluoroelastomer e O RING fluoroelastomer e SPACER SPRING compression VALVE atomizing air SPACER lever ADAPTER exhaust hose GASKET manifold polyethylene RING retainer alternator O RING CV75 ALTERNATOR turbine Includes items 37a amp 37b e O RING Viton e CUSHION VALVE electrostatic SHAFT ASSY air valve NUT packing O RING trigger valve fluoroelastomer U CUP PTFE VALVE ASSY fan air Includes items 43b 43e e RING retaining e KNOB fan air adjustment e HOUSING valve e O RING Viton SPRING compression air valve VALVE ASSY fluid adjustment Includes items 45a 45e e STEM fluid adjustment e O RING CV75 e KNOB e SLEEVE guide e STOP sleeve REGULATOR disc RING retaining TOOL multi WRENCH barrel TUBE exhaust polyurethane CLAMP exhaust tube TOOL hex key allen wrench 2 mm SIGN warning English See Accessories for additional signs COVER gun Order Part No 218374 for package of 10 BRACKET gun hanging PLUG optional to install in place of item 31 which may be purchased separately Parts not shown wk k k k k k k k k k k k k ek t A Replacement Danger and Warning labels signs
23. A WARNING should be sufficient FIRE EXPLOSION AND eee ELECTRIC SHOCK HAZARD Connect the Air Line Refer to Fig 1 A WARNING ELECTRIC SHOCK HAZARD J To reduce the risk of electric shock or Installing and servicing this equipment requires access to parts which may cause electric shock or other serious injury if work is not performed properly 6 Do not install or service this equip other serious injury the air supply hose must be electrically connected to a true earth ground Use Only Graco Electrically Con ductive Air Supply Hose ment unless you are trained and qualified e Be sure your installation complies with National State and Local codes for the installation of electrical apparatus in a Class Group D Hazardous Location 1 Connect the Graco Electrically Conductive Air Supply Hose R between the air supply line and the gun s air inlet V The gun air inlet fitting has a Comply with all applicable local state and left hand thread Connect the air supply hose national fire electrical and other safety regula ground wire to a true earth ground tions 2 Install an air line filter O and an air and water Fig 1 shows a typical electrostatic air soray system separator D on the air line to ensure a dry clean It is not an actual system design The particular type air supply to the gun Dirt and moisture can ruin and size system for your operation must be custom the appearance of your finished wor
24. LiKe a the o rings 43e and the adjustment knob threads 43c with petroleum jelly Lubricate o rings 43e and top knob threads 43c with petro 6 After the retaining ring 43b is installed on the leum jelly adjustment knob 43c back the adjustment knob Apply PTFE paste to the valve housing threads 43d Torque out of the valve housing 43d until it bottoms out to 10 12 in lb 1 1 1 4 Nem 06630 against the retaining ring Fig 20 7 Apply PTFE paste to the threads of the valve housing 43d and install it in the handle Torque the housing to 10 to 12 in lb 1 1 to 1 4 Nem 308018 31 Service Fluid Adjustment Assembly Repair 1 Prepare the gun for service as instructed on page 24 2 Using a 14 mm socket wrench remove the fluid adjustment assembly 45 See Fig 21 3 Turn the stem 45a fully clockwise and remove the sleeve stop 45e 4 To completely disassemble the fluid adjustment assembly the sleeve stop 45e must be assembled back on to the stem 45a Turn the stem until the sleeve is protruding about 0 4 inches 10 mm 5 To remove the sleeve 45d hold the cap 45c and turn the sleeve stop 45e counterclockwise with a wrench 6 Remove the stem 45a and o ring 45b 7 Repair or replace any damaged parts Lubricate the o ring 45b with petroleum jelly 8 Carefully apply low strength purple Loctite or equivalent thread sealant to the sleeve 45d external threads Turn the
25. em A WARNING FIRE EXPLOSION AND ELECTRIC SHOCK HAZARD When operating the electrostatic device any ungrounded objects in the spray area such as people containers tools etc can become electrically charged Improper grounding can result in static sparking which can cause a fire explo sion or electric shock Follow the grounding instructions below 10 308018 The following are minimum grounding requirements for a basic electrostatic system Your system may include other equipment or objects which must be grounded Check your local electrical code for detailed grounding instructions Your system must be connected to a true earth ground 1 Pump ground the pump by connecting a ground wire and clamp as described in your separate pump instruction manual 2 Air compressors and hydraulic power supplies ground the equipment according to the manufac turer s recommendations 3 Electrostatic Air Spray Gun ground the gun by connecting the Graco Electrically Conductive Air Hose and connecting the air hose ground wire to a true earth ground Check the electrical grounding of the gun as instructed on page 11 4 Allair and fluid lines must be properly grounded Use only grounded hoses with a maximum of 500 feet 150 m combined hose length to ensure grounding continuity 5 All electric cables must be properly grounded 6 All persons entering the spray area their shoes must have conductive soles such as lea
26. em from starting or spraying acci dentally To reduce the risk of an injury from electric shock accidental spray from the gun splashing fluid or moving parts follow the Pressure Relief Procedure whenever you are instructed to relieve the pressure 6 stop spraying check or service any of the system equipment or install or clean the fluid nozzle 1 Turn the ES ON OFF Lever to OFF Turn off the air and fluid supply to the gun Trigger the gun into a grounded metal waste container to relieve fluid pressure 4 Open the pump drain valve having a waste con tainer ready to catch the drainage 5 Leave the pump drain valve open until you are ready to spray again Filter the Fluid Filter the fluid to remove coarse particles and sediment which could clog the spray nozzle 3 in 76 mm square cut out and finger of glove cut off NOTE If gloves are worn they must be conductive or modified as shown so they do not interfere with operator grounding through the gun Fig 3 06445 Operating Checklist Check the following list daily before starting to operate the system to help ensure safe efficient operation 1 All the operators are properly trained to safely operate an electrostatic air spray system as instructed in this manual 2 All the operators are trained how to properly relieve pressure as instructed at left 3 The system is thoroughly grounded and the operator and all persons entering
27. flushing the gun 4 CAUTION Fluid left in gun air passages could result in a poor quality paint finish and may draw current and reduce the electrostatic effect Fluid in the power supply cavity can reduce the alternator life e Immersing the gun in fluid is not recom mended Do not use any cleaning method which may allow solvent into the gun air passages Point the gun down while cleaning to prevent fluid from running into the air passages See Fig 6 Hang the gun with its nozzle pointing down when it is not being used Clean all parts with a non conductive compatible solvent Conductive solvents can cause the gun to malfunction Methylene chloride is not recommended as a flush ing or cleaning solvent with this gun as it will damage nylon components 16 308018 4 CAUTION To avoid contaminating the fluid to be sprayed make sure that any solvent that is inside the shroud is allowed to drain out through the hole at the shroud base before spraying Clean the fluid and air line filters daily 2 Clean the outside of the gun daily with a soft cloth dampened in a compatible solvent 3 Clean the air cap and fluid nozzle daily minimum See page 17 Some applications require more frequent cleaning Replace the fluid nozzle and air cap if they are damaged See page 24 4 Check the electrode wire Straighten it if it is bent and replace it if it is broken or damaged See page 25 5 Check for
28. ge 8 Install the trigger 13 and tighten the trigger screws 4 9 Install the electrode nozzle and resistor stud assembly and the air cap assembly as instructed on page 25 10 Test the gun resistance as instructed on page 21 28c 28a 30 R Fe 28e Item 30 is not included with the Packing Needle Assy 28 Fig 17 28 308018 28f 28 03559 Service A Apply a very light coat of lubricant Do not expose to solvents 06629 Fig 18 Power Cartridge Replacement A CAUTION NOTE The power cartridge consists of the alternator 37 power supply 18 and retaining ring 35 See To avoid a loss in electrostatic performance inspect Fig 18 the power cartridge cavity in the handle for dirt or moisture Clean out the cavity with a clean dry rag if 1 Prepare the gun for service as instructed on page necessary 24 Lightly lubricate the o rings 18b 37a on the new 2 Remove the barrel as instructed on page 26 power cartridge with petroleum jelly All the o rings 4 CAUTION and the compression spring 18c must be in place or the gun will malfunction 4 Insert the new power cartridge in the gun handle Be careful when handling the power cartridge to ea Be sure the gasket 18a is in place avoid damaging it 3 Grasp t
29. ger the gun while installing the fluid nozzle 21 and resistor stud 22 assembly with the multi tool 62 Tighten until the fluid nozzle seats in the gun barrel 7 Install the air cap assembly 1 2 8 Test the gun resistance as instructed on page 21 Apply a very light coat of lubricant Tighten 1 8 to 1 4 turn past hand tight Fig 11 06449 62 21 1 22 Torque to 10 in lbs 1 12 Nem Fig 12 0444A Electrode Replacement 1 Prepare the gun for service as instructed on page 1 Remove the air cap nozzle and resistor stud as instructed on page 24 2 Unscrew and remove the fluid needle electrode 20 with the multi tool 62 Hold the needle shaft end to prevent it from turning See Fig 13 4 CAUTION Be careful not to damage the contact wire when removing the electrode from the gun 3 Apply low strength purple Loctite or equivalent thread sealant to the electrode and needle shaft threads Install the electrode finger tight Do not overtighten it 4 CAUTION To avoid damaging the plastic threads or contact wire be very careful when installing the electrode 4 Install the fluid nozzle resistor stud and air cap assembly as instructed at left 5 Test the gun resistance as instructed on page 21 Apply low strength purple Loctite or equivalent to needle shaft threads Fig 13 06624 308018 25 Service Barrel Removal 1 Prepare the gun for service as
30. he fluid nozzle and or electrode needle see pages 25 to 28 The fluid packing is too tight Lubricate and adjust the packing nut see page 28 The resistor stud is loose Tighten the resistor stud see page 24 The fluid nozzle is loose Tighten the fluid nozzle see page 24 The resistor stud o ring is damaged Replace the o ring see page 24 Orange Peel finish The air pressure is insufficient for good Increase the air cap air pressure by open atomization ing the atomizing air valve more or in creasing the gun air inlet pressure use the least air pressure needed for good results The fluid is poorly mixed or filtered Remix or refilter the fluid An improper thinner is being used Use the proper thinner Excessive spray fog The air pressure is too high Reduce the air cap air pressure by closing the atomizing air valve more or decreas ing the gun air inlet pressure use the least air pressure needed for good results Do not reduce below minimum pressure needed for full voltage See page 15 The fluid is thinned too much Properly thin the fluid No fluid sprays from the gun The fluid supply is low Check the fluid supply add fluid if necessary The air cap is damaged Replace the air cap See page 24 The fluid nozzle is dirty or clogged Clean the fluid nozzle see page 17 The fluid nozzle is damaged
31. he power cartridge with your hand With a 5 Install the barrel on the handle as instructed on gentle side to side motion pull it free from the gun page 30 handle 7 Then pull the power cartridge straight out of the handle 6 Test the gun resistance as instructed on page 21 308018 29 Service Turbine Alternator Replacement NOTE Replace turbine bearings after 2 000 hours of operation See your authorized Graco distributor 1 Prepare the gun for service as instructed on page 24 2 Remove the power cartridge from the gun handle as instructed on page 29 3 Squeeze the two ends of the retaining ring 35 together and carefully pull the alternator 37 away from the power supply until the 3 wire connector F disengages See Fig 18 page 29 4 Use an ohmmeter to test the turbine alternator coil Measure the resistance between the two outer terminals of the 3 wire connector F The resistance should be 3 to 5 ohms If the reading varies from this value replace the alternator 5 Measure the resistance between each outer terminal of the 3 wire connector and the turbine alternator housing The resistance should be infinite If the resistance is not infinite replace the alternator 6 Connect the 3 wire connector to the 3 prongs in the power supply Push the alternator onto the power supply until the retaining ring engages with the alternator 7 Install the power cartridge in the gun handle as instructed on page 29
32. he resistance is greater than the maximum electrical grounding unless reading specified above for your hose check the tightness of the ground connections and be sure e The gun has been removed from the the air hose ground wire is connected to a true hazardous area earth ground If the resistance is still too high e Or all spraying devices in the hazardous area replace the air hose are turned off ventilation fans in the hazardous area are operating and there are no flammable vapors in the area such as open solvent con tainers or fumes from spraying Failure to follow this warning could cause fire explosion electric shock and result in serious injury and property damage 1 Have a qualified electrician check the electrical grounding continuity of the spray gun and air hose 2 Turn the ES ON OFF Lever to OFF See Fig 4 page 14 for the location of the lever 3 Turn off the air and fluid supply to the gun The fluid hose must not have any fluid in it 4 Make sure the air hose R is connected and the hose ground wire is connected to a true earth ground 5 Measure the resistance between the gun handle pode BB and a true earth ground CC Fig 2 308018 11 Notes 12 308018 Operation Pressure Relief Procedure A WARNING PRESSURIZED EQUIPMENT HAZARD The system pressure must be manually relieved to prevent the syst
33. he shroud 10 off the fluid tube 12 9 Loosen the fluid tube fitting from the gun barrel 10 Replace any worn or damaged parts 11 Reassemble the gun as instructed in Converting a PRO 3500SC Spray Gun to a PRO 3500HC Spray Gun on page 6 06618 308018 35 Parts DETAIL A Item 12 includes items 12a to 12e A Item 18 includes items 18a to 18f Item 28 includes items 28a to 28h Item 37 includes items 37a and 37b Item 43 includes items 43b to 43e 28d 1 28b i i 28g Nog 28C Item 45 includes items 45a to 45e 28h SeeDetalA H Les i e 25 A E 2 be N j Sy D WAY T Q 40 42 W REF 16 126 12c 06614 36 308018 Some PRO 3500hc Gun replacement parts look similar to other PRO Gun parts but are not interchangeable When A WARNING servicing do not mix or use other PRO Gun parts Use of parts other than those specified in the parts list below could alter the grounding continuity of the gun cause parts to leak or rupture or cause the gun to malfunction and result in serious injury fire explosion or property damage Part No 222625 Series B Electrostatic High Conductivity Air Spray Gun Ref No N GQ B W PO CO 11At 12 12a 12b 12c 12d 12e 13 15 16 18 18a 18b 18c 18d 18e 18f 19 20 21 22 23 24 25 26 28 28a Part No 193033 176930 222314 185095 185096 185097 222666 187423 186102 179791 2
34. instructed on page 24 2 Carefully loosen the nut 14 from the bracket fluid fitting 16 Pull the tube 12 out of the fitting Make sure both ferrules and the nut stay with the tube See Fig 14 3 Using the wrench 63 supplied loosen the three K socket head cap screws 5 4 Hold the gun handle 7 with one hand and pull the barrel 3 straight away from the handle to remove it See Fig 15 4 CAUTION To avoid damaging the power supply 18 pull the gun barrel straight away from the gun handle If necessary gently move the gun barrel from side to side to free it from the gun handle Fig 15 06625 Fig 14 26 308018 Service Fluid Packing Removal 1 Prepare the gun for service as instructed on page 2 Remove the air cap assembly fluid nozzle and resistor stud and electrode as instructed on page 25 3 Loosen the trigger screws 4 far enough to re move the trigger 13 4 Remove the packing cartridge and needle assem bly 28 using the multi tool 62 See Fig 16 A CAUTION a Clean all parts in non conductive solvent compatible spirits Use of conductive solvents can cause the gun to malfunction X S H Pa 5 Check all the parts for wear or damage and re 4 o place if necessary with the fluid being used such as xylol or mineral S Q 06628 Fig 16 308018 27 Service Fluid Packing and Needle Repair The fluid packings and needle can be
35. isuse can cause the equipment to rupture malfunction or start unexpectedly and result in a serious injury INSTRUCTIONS ia This equipment is for professional use only Read all the instruction manuals tags and labels before operating the equipment Use the equipment only for its intended purpose If you are uncertain about usage call your Graco distributor Do not alter or modify this equipment Use only genuine Graco parts and accessories Check the equipment daily Repair or replace worn or damaged parts immediately Do not exceed the maximum working pressure of the lowest rated system component This equip ment has a 100 psi 7 bar 0 7 MPa maximum working pressure Use fluids that are compatible with the equipment wetted parts See the Technical Data section of all the equipment manuals Read the fluid manufacturer s warnings Route the hoses away from traffic areas sharp edges moving parts and hot surfaces Do not expose Graco hoses to temperatures above 180 F 82 C or below 40 F 40 C Do not use the hoses to pull equipment Wear hearing protection when operating this equipment Comply with all applicable local state and national fire electrical and other safety regulations 308018 5 Introduction How the Electrostatic Air Spray Gun Works The air hose supplies air to the spray gun Part of the The pump supplies fluid to the hose and gun where air operates the turbine and the rest of
36. ith a 40 psi 2 8 bar air supply at the gun air inlet and typical gun air flow settings Noise levels measured with a 100 psi 7 bar air supply at the gun air inlet and maximum gun air flow settings T Sound pressure was measured per Cagi Pneurop 1969 Sound power was measured per ISO 3744 1981 Viton and Kalrez are registered trademarks of the DuPont Co Loctite is a registered trademark of the Loctite Corporation Chemraz is a registered trademark of the Green Tweed and Company Manual Change Summary This manual has been changed per ECO s V6099 V5645 and V5457 308018 41 Notes 42 308018 Notes 308018 43 Graco Standard Warranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale by an authorized Graco distributor 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 accor dance with Graco s written recommendations This warranty does not cover and Graco shall not be liable
37. kpiece and can designed for your needs For assistance in designing a cause the gun to malfunction system contact your Graco distributor 3 Install a bleed type air regulator G on the pump Warning Signs and gun air supply lines to control air pressure to the pump and gun Mount warning signs in the spray area where they can easily be seen and read by all operators An English 4 Warning Sign is provided with the gun Additional English French German and Spanish signs are available at no charge See Accessories to order them Install a bleed type air shutoff valve on the main air line C and the pump air line E to shut off air to the pump Install an additional bleed type valve on each pump air supply line to relieve air trapped between this valve and the pump after the air Ventilate the Spray Booth regulator is shut off A WARNING A WARNING g FLAMMABLE OR TOXIC PRESSURIZED EQUIPMENT HAZARD L y VAPOR HAZARD The bleed type air shutoff valve is required in your Provide fresh air ventilation to avoid the system to relieve air trapped between this valve buildup of flammable or toxic vapors Do and the pump after the air regulator is closed L not operate the gun unless ventilation Trapped air can cause the pump to cycle unexpect fans are operating edly which could result in serious injury including IN splashing in the eyes or on the skin Electrically interlock the gun air supply with the ventila 5 Install an ai
38. luding 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 reconnais sent avoir convenu que la r daction du pr sente document sera en Anglais ainsi que tous
39. n on or off any light switch in the spray area while operating or if fumes are present Do not smoke in the spray area Do not operate a gasoline engine in the spray area TOXIC FLUID HAZARD Hazardous fluids or toxic fumes can cause a serious injury or death if splashed in the eyes or on the skin swallowed or inhaled Know the specific hazards of the fluid you are using Read the fluid manufacturer s warnings Store hazardous fluid in an approved container Dispose of the hazardous fluid according to all local state and national guidelines 6 Wear appropriate protective clothing gloves eyewear and respirator 308018 A WARNING PRESSURIZED EQUIPMENT HAZARD Spray from the gun hose leaks or ruptured components can splash fluid in the eyes or on the skin and cause a serious injury Do not point the spray gun at anyone or any part of the body Do not stop or deflect fluid leaks with your hand body glove or rag Follow the Pressure Relief Procedure on page 13 whenever you are instructed to relieve the pressure stop spraying clean check or servicing the equipment and install or clean the fluid nozzles Tighten all the fluid connections before operating the equipment Check the hoses tubes and couplings daily Replace worn damaged or loose parts immediately Permanently coupled hoses cannot be repaired replace the entire hose EQUIPMENT MISUSE HAZARD ka Equipment m
40. ng in place Do not replace the resistor stud 22 with anything but a genuine Graco part 308018 23 Service Prepare the Gun for Service A WARNING ELECTRIC SHOCK HAZARD W Installing and servicing this equipment C7 requires access to parts that may cause electric shock or other serious injury if the work is not performed properly Do not install or service this equipment unless you are trained and qualified A WARNING PRESSURIZED EQUIPMENT HAZARD To reduce the risk of injury follow the Pressure Relief Procedure on page 13 before checking or servicing any part of the system and whenever you are instructed to relieve the pressure NOTE 6 Check all possible remedies in Troubleshooting before disassembling the gun e lf the plastic parts of the gun must be held securely always clamp them in padded vice jaws to prevent damage to the parts Lightly lubricate o rings and seals with petroleum jelly Do not over lubricate 6 Only use genuine Graco parts Do not mix or use parts from other PRO Gun models See page 37 1 Flush the gun as instructed in Flush the Spray Gun page 17 2 Relieve the pressure 3 Disconnect the air and fluid lines from the gun 4 Remove the spray gun from the worksite for service or repair Service or repair area must be clean 24 308018 Air Cap Nozzle Resistor Stud Replacement 4 CAUTION Hold the front end of the gun up and trigger the gun while removing the
41. nozzle and resistor stud to help drain the gun and prevent any fluid left in the gun from entering the air passages 1 Prepare the gun for service as instructed at left 2 Remove the air cap assembly Point front end of the gun up and squeeze the trigger while removing the fluid nozzle resistor stud 21 22 assembly with the multi tool 62 See Fig 11 page 25 NOTE If the resistor stud remains in the gun when the fluid nozzle is removed start the nozzle thread onto the stud and pull the stud out 3 Unscrew and remove the resistor stud 22 with the multi tool 62 See Fig 12 A WARNING FIRE EXPLOSION AND ELECTRIC SHOCK HAZARD The resistor stud contact ring D is a conductive contact ring not a sealing o ring See Fig 11 To reduce the risk of sparking or electric shock do not remove the resistor stud contact ring D except to replace it and never operate the gun without the contact ring in place Do not replace the contact ring with anything but a genuine Graco part To install the resistor stud 4 Lightly lubricate the o ring 25 with petroleum jelly and install it on the resistor stud 22 5 Using the multi tool 62 install the resistor stud 22 in the fluid nozzle 21 Tighten to 10 in lb 1 12 Nem NOTE Make sure the electrode 20 is tightened properly as shown in Fig 13 Continued on the next page Service Air Cap Nozzle Resistor Stud Replacement continued 6 Trig
42. ocity will improve the electrostatic effect To reduce the atomization air and minimize any overspray turn the atomizing air valve in NOTE See the Spray Pattern Troubleshooting chart on page 18 to correct spray pattern problems 9 Turn the ES ON OFF lever to ON to begin spray ing with the electrostatics When spraying the ES indicator light DD should glow indicating the electrostatic charge 4 CAUTION Hang the gun with its nozzle pointing down when it is not being used to avoid having fluid run into the gun air passages Fluid in the gun air passages can cause poor atomization and excessive current de mands and damage the gun 308018 15 Operation Shutdown 1 Relieve the pressure 2 Flush and clean the equipment Follow the instruc A WARNING PRESSURIZED EQUIPMENT HAZARD To reduce the risk of an injury follow the Pressure Relief Procedure on page 13 whenever you stop spraying and whenever you are instructed to relieve pressure tion in Maintenance Maintenance Daily Care and Cleaning A WARNING PRESSURIZED EQUIPMENT HAZARD To reduce the risk of an injury follow the Pressure Relief Procedure on page 13 when you stop spraying before cleaning or flushing the spray gun and whenever you are instructed to relieve the pressure A WARNING FIRE EXPLOSION AND ELECTRIC SHOCK HAZARD To reduce the risk of fire explosion or electric shock turn the ES ON OFF lever OFF before
43. or service this equipment unless you are trained and qualified NOTE Check all possible remedies in the Troubleshooting Chart before disassembling the gun Spray Pattern Troubleshooting NOTE Some spray pattern problems are caused by the improper balance between air and fluid Problem Cause Solution O Fluttering or spitting spray The fluid supply is insufficient Adjust the fluid regulator or fill the fluid supply The fluid nozzle is loose or the fluid noz Tighten or replace the fluid nozzle see zle taper seat is damaged page 24 i There is dirt between the fluid nozzle Clean the parts see page 17 taper seat and gun body The coupler at the fluid inlet is loose or Tighten or repair the coupler cracked Loose fluid tube in tank Tighten Improper spray pattern There is fluid build up on the air cap Clean the air cap with a soft implement or partially clogged horn holes or full air submerge it in water and wipe it clean pressure from the clean horn hole forces see page 17 the fan pattern toward the clogged end The electrode is bent Straighten the electrode The fluid nozzle or air cap holes are dam Replace the damaged part see page 24 aged There is fluid buildup on the perimeter of Remove the obstruction never use wire the fluid nozzle orifice or a partially or hard instruments see page 17 clogged fluid nozzle orifice The electrode is bent Straighten the electrode
44. personnel in or close to the spray area the object being sprayed and all other electrically conductive objects in the spray area See Grounding on page 10 Check the spray gun resistance daily See Test Gun Resistance page 21 lf there is any static sparking while using the equipment stop spraying immediately Identify and correct the problem Provide fresh air ventilation to avoid the buildup of flammable or toxic vapors Interlock the gun turbine air supply to prevent operation of the power supply unless the ventilating fans are on See Ventilate the Spray Booth on page 9 When cleaning flushing or purging electrostatic equipment use solvents that comply with your local regulations For countries following the U S National Fire Protection Association NFPA 33 requirements use solvents with a flash point higher than 100 F 38 C ora solvent normally used in spray operations For European Countries complying with EN 50053 use solvents with a flash point as high as possible and higher than the ambient temperatures Use only non sparking tools to clean residue from the booth and hangers Do not flush the system with the gun electrostatics turned on Do not turn on the gun electrostatics until all solvent is removed from the system Extinguish all open flames or pilot lights in the spray area Keep the spray area free of debris including solvent rags and gasoline Do not store any flammable fluids in the spray area Do not tur
45. r line lubricator F as close to the tors to prevent gun operation without ventilating fans pump H as possible operating Check and follow all National State and Local codes regarding air exhaust velocity 6 Install an air shutoff valve P on each gun air requirements supply line to shut off air to the gun s 308018 9 Installation Connect the Exhaust Tube Press the exhaust tube provided onto the barbed adapter on the bottom of the gun handle Secure the tube with the clamp provided Refer to page 36 Connect the Fluid Line Refer to Fig 1 1 Before connecting the fluid line N blow it out with air and flush it with solvent Use solvent which is compatible with the fluid to be sprayed 2 Install a fluid regulator M on the fluid line to control fluid pressure to the gun 3 Install a fluid filter K and drain valve U at the pump outlet A WARNING PRESSURIZED EQUIPMENT HAZARD The fluid drain valve U is required in your system to assist in relieving fluid pressure in the displace ment pump hose and gun triggering the gun to relieve pressure may not be sufficient Install a drain valve close to the pump s fluid outlet The drain valve reduces the risk of serious injury including splashing in the eyes or on the skin 4 Connect the fluid line to the 3 8 18 6 m gun fluid inlet W 5 Before running any paint through the spray gun flush it out with a compatible solvent Ground the Syst
46. re the fluid seal A 10 Install the trigger M used to be 11 Install the electrode nozzle resistor stud and air cap as described in Electrode Replacement 4 Remove the trigger M page 25 6 308018 Converting a PRO 3500sc Gun to a PRO 3500hc Gun Fig C Fig A D G SS AD audi os Y UT E F 06617 Fig D 308018 7 Installation The air supply to the gun must be electrically interlocked wi
47. should be 21 to 29 megohms If the resistance is correct refer to the Electrical Troubleshooting chart on page 20 for other possible causes of poor performance or contact the nearest authorized service agency j ALE 4 20 06448B Fig 9 Continued on the next page Electrical Tests Test Resistor Stud Resistance continued If the resistance is outside the specified range remove the resistor stud 22 See Air Cap Nozzle Resistor Stud Replacement on page 24 Check the resistance between the black resistor stud contact ring D and the needle contact ring E Refer to Fig 10 You may have to press down on the contact ring D in several places to get a good reading The resistance should be 21 to 29 megohms If the resistance is correct make sure the metal contact C in the barrel and the needle contact wire E are clean jaie If the resistance is outside the specified range the Fig 10 resistor is defective and the resistor stud 22 must be replaced See Air Cap Nozzle Resistor Stud Re placement on page 24 A WARNING FIRE EXPLOSION AND ELECTRIC SHOCK HAZARD The resistor stud contact ring D is a conductive contact ring not a sealing o ring See Fig 10 To reduce the risk of sparking or electric shock do not remove the resistor stud contact ring D or operate the gun without the contact ri
48. sleeve in with the sleeve stop 45e until it bottoms out then back it out 1 8 turn 4 CAUTION Do not allow Loctite to get onto the stem 45a during assembly or the stem will not turn after assembly 9 Place the fluid adjustment assembly on the work bench with its threaded end facing down and allow the Loctite to cure over night 10 After the Loctite has cured assemble the fluid adjustment assembly into the gun 32 308018 40 42 O Jk KE aii Lubricate o rings with petroleum jelly Carefully apply low strength purple Loctite or equivalent to sleeve 45d external thread Turn sleeve in with sleeve stop 45e until it bottoms out then back out 1 8 turn Allow Loctite to cure overnight Do not remove u cup 42 unless damaged Install with lips facing into handle Tighten packing nut 40 until it bottoms 06631 Fig 21 Service Air Trigger Valve Repair 1 Prepare the gun for service as instructed on page 2 Using a 14 mm socket wrench remove the fluid adjustment assembly 45 o ring 23 and spring 44 See Fig 21 4 CAUTION Clean all parts in non conductive solvent compatible with the fluid being used such as xylol or mineral spirits Use of conductive solvents can cause the gun to malfunction 3 Loosen the air valve packing nut 40 one full turn Remove the air valve shaft 39 with a pliers 4 CAUTION When removing the air valve shaft 39 be careful not to damage
49. sure for various fluid flows ac cording to the size of the fluid nozzle being used 4 If necessary further adjust the fluid flow rate with the fluid adjustment knob 45 See Fig 4 5 Fully open the fan air valve 48 6 Set the air pressure with the air pressure regulator The following chart shows the air hose inlet pres sure required to get full voltage from the power supply To avoid shortening the turbine life do not exceed the recommended air pressures Air Hose Dynamic pressure at air hose inlet Length required for full voltage ft m psi bar MPa 154 6 25 7 6 50 15 3 75 22 9 100 30 5 7 Set the atomizing air valve 31 about 1 5 turns out for most applications The Atomizing Air Valve Adjustment chart shows the effect of the atomiz ing air valve adjustment on the air cap air flow 8 Adjust the pattern width with the fan air valve 43 Atomizing Air Valve Adjustment 100 90 se 80 70 O 60 LL 90 lt q o 40 E 30 20 lt 10 0 0 00 0 50 1 00 1 50 2 00 2 50 3 00 Fully Open Fully Closed Valve Turns Fine Adjustments of the Spray Gun 6 To improve the atomization open the atomizing air valve further 31 If more atomizing air is needed beyond the fully open position of the valve increase the air hose inlet pressure Use the lowest air flow settings needed for accept able atomization The slower particle vel
50. th the ventilators to prevent the power supply from operating without ventilating fans on A M Ae of ES ON OFF Lever Tall 1is ON Ois OFF III HTT TTA a E H bo S BY E D J J O d J G gt N i N i Q i eee eN III E y C E L J TTS K L S U Q L J Z WARNING g SIGN T bo l E Non hazardous Area Hazardous Area KEY A Main Air Supply Line K Fluid Filter T Air Line Drain Valve B Ventilation Fan Interlock Solenoid Valve L Fluid Supply Line Shutoff Valve U Fluid Drain Valve C Main Air Supply Shutoff Valve M Fluid Pressure Regulator V Gun Air Inlet bleed type N Fluid Supply Line W Gun Fluid Inlet D Air amp Water Separator O Ar Filter 20 micron X Gun Exhaust Tube E Pump Air Supply Shutoff Valve P Air Supply Line bleed type Shutoff Valve Required for safe operation Must pur F Air Line Lubricator Q Air Hose Ground Wire chase separately See Accessories G Air Pressure Regulator R Graco Electrically Conductive Air Hose NOTE Solenoid Valve B is not offered H Pump S Electrostatic Spray Gun as a Graco accessory J Pump Ground Wire 06620 Fig 1 8 308018 Installation Installing the System NOTE High velocity air exhaust will decrease the operating efficiency of the electrostatic system Air exhaust velocity of 100 ft min 31 linear meters minute
51. the spray area are properly grounded See Ground the System page 10 4 The operator is not wearing gloves which insulate the hand from the spray gun If worn gloves must be conductive or modified as shown in Fig 3 so as not to interfere with the operator grounding through the gun 5 The condition of the electrical components of the spray gun has been checked as instructed in Electrical Tests page 21 6 The ventilation fans are operating properly 7 The workpiece hangers are clean and grounded Contact points must be sharp points or like knife edges 8 All the debris including flammable liquids and rags is removed from the spray area 9 All flammable liquids in the spray booth are in approved grounded containers 10 All conductive objects in the spray area are electrically grounded and the floor of the spray area is electrically conductive and grounded 308018 13 Operation Fig 4 Selecting a Fluid Nozzle and Air Cap A WARNING PRESSURIZED EQUIPMENT HAZARD To reduce the risk of an injury follow the Pressure Relief Procedure on page 13 before removing or installing a fluid nozzle and or air cap 05151A Operating the Spray Gun A WARNING PRESSURIZED EQUIPMENT HAZARD To reduce the risk of an injury follow the Pressure Relief Procedure on page 13 whenever you stop spraying and whenever you are instructed to
52. ther or personal grounding straps must be worn Rubber or plastic soles are not conductive The operator must not wear gloves that insulate the hand from the spray gun The gloves must be conductive or modified as shown in Fig 3 page 13 7 Object being sprayed keep the workpiece hangers clean and grounded at all times Contact points must be sharp points or like knife edges 8 The floor of the spray area must be electrically conductive and grounded Do not cover the floor with cardboard or any non conductive material which would interrupt grounding continuity 9 Flammable liquids in the spray area must be kept in approved grounded containers Do not store more than the quantity needed for one shift 10 All electrically conductive objects or devices in the Spray area including fluid containers and wash cans must be properly grounded Installation Check the Electrical Grounding See Fig 2 a If using a black or grey air hose use a me gohmmeter AA to measure the resistance Use an applied voltage of 500 minimum to A WARNING 1000 volts maximum The resistance should not exceed 2 megohms FIRE EXPLOSION AND ELECTRIC SHOCK HAZARD b f using a red turbine air hose use an ohmme Megohmmeter P N 241079 AA see Fig ter to measure the resistance Resistance 2 is not approved for use in a hazard should not exceed 100 ohms ous area To reduce the risk of sparking do not use the megohmmeter to check 6 Ift
53. upplier for proper fluid viscos ity for electrostatic spray The fluid resistivity is too low Check the fluid resistivity with a paint meter and probe The turbine alternator is not operating Check if the ES ON OFF lever is ON 1 Check the air supply to the gun Check for dirt or moisture in the turbine See page 30 The gun resistance is faulty Check the gun resistance See page 21 Fluid leaks from the needle packing and causes a short Clean the needle cavity Replace the fluid needle See page 28 The turbine alternator is faulty The operator is not properly grounded or is near an ungrounded object Be sure the plug is in place on the back of the turbine alternator housing Remove and test the turbine alternator See page 30 Be sure the floor and the operator are properly grounded See Ground the System page 10 The gun is not properly grounded See Check the Electrical Grounding page 11 Operator gets a shock when The workpiece is not properly grounded Clean workpiece hangers Check for proper touching the workpiece grounding on the conveyor or track ES indicator light is not on when the gun is triggered 20 308018 Electrical Tests The performance and safety of the spray gun are directly affected by the condition of the electrical components contained inside the gun The electrical tests below can be used to determine the condition of the power supply
54. val 000 cece eee ees 26 Fluid Packing Removal 27 Fluid Packing and Needle Repair 28 Power Cartridge Replacement 29 Turbine Alternator Replacement 30 Barrel Installation onanan 00 e eee eee 30 Fan Air Adjustment Valve Repair 31 Fluid Adjustment Assembly Repair 32 Air Trigger Valve Repair 33 Atomizing Air Valve Removal and Replacement 33 ES ON OFF Valve Repair 34 Tube and Shroud Removal Replacement 35 PAWS 24 R hehe t eet ET 36 Accessories 2 65 00 che tio neh eh bon cede ied Reeds 39 Technical Data 0 0 0 cee eee 41 The Graco Warranty and Disclaimers 44 Graco Phone Number 44 Symbols Warning Symbol A WARNING This symbol alerts you to the possibility of serious injury or death if you do not follow the instructions Caution Symbol CAUTION This symbol alerts you to the possibility of damage to or destruction of equipment if you do not follow the corresponding instructions 308018 3 4 4 WARNING FIRE EXPLOSION AND ELECTRIC SHOCK HAZARD Improper grounding poor air ventilation open flames or sparks can cause a hazardous condition and result in a fire explosion or electric shock e Electrostatic equipment must be used only by trained qualified personnel who understand the requirements stated in this instruction manual Ground the equipment
55. wire The fan air pressure is too high Reduce the fan air pressure e e The fluid is too thin Increase the fluid viscosity There is not enough fluid pressure Increase the fluid pressure The fan air pressure is too low Increase the fan air pressure C gt The fluid is too thick Reduce the fluid viscosity Ga There is too much fluid Reduce the fluid flow Reduce fluid pres sure on pressure feed guns and or adjust the fluid adjusting screw until proper pat tern is obtained Streaks The last coat of fluid is applied too wet Apply a drier finish using multiple strokes n There is too much air pressure Decrease the air pressure S34 The air pressure is insufficient Increase the air pressure The spray pattern is non uniform Clean or replace the air cap see page 17 or 24 18 308018 Troubleshooting Gun Operation Troubleshooting Problem Cause Solution Fluid leakage from the fluid packing The needle packings or shaft are worn Replace the packings or shaft see page area 28 The packing nut is loose Tighten the packing nut see page 28 Air leakage from the front of the gun The air valve is not seating properly Clean and service the air valve see page 31 The air valve o ring is sticking Lubricate the o ring see page 31 Fluid leakage from the front of the gun The needle is worn or damaged Replace the needle see page 28 The fluid seat is worn Replace t

Canon EOS 5D Digital Camera User Manual

Contents

Download Pdf Manuals

Related Search

Related Contents