Graco Inc. 244399 Paint Sprayer User Manual
Contents
1. 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 CAUTION Do not over tighten the screws 11 4 Hold the gun handle 17 with one hand and pull the barrel 16 straight off the handle See Fic 13 Fig 13 Barrel Removal 309291P 4 Assemble the fluid tube 14 into the bracket fitting 13 Ensure that the ferrules are in place Tighten the nut 32 5 Test gun resistance page 17 ti1535a Fig 14 Barrel Installation 29 Repair Power Supply Removal and Replacement e Inspect the gun handle power supply cavity for dirt or moisture Clean with a clean dry rag e Do not expose gasket 10 to solvents 1 Prepare gun for service page 24 2 Remove the barrel 16 page 29 CAUTION Be careful when handling the power supply 18 to avoid damaging it 3 Grasp the power supply 18 with your hand With a gentle side to side motion free the power sup ply alternator assembly from the gun handle 17 then carefully pull it straight out See FIG 15 4 Disconnect the 3 wire connector GG from the power supply Slide the alternator up and off the power supply Inspect the power supply and alterna tor for damage 5 Check the power supply resistance page 18 Replace if necessary Before installing the2. Extended Air Inlet Fitting 189191 Replaces standard swivel to provide extended handle grip area Left hand thread Fluid Line Accessories Fluid Hose 225 psi 14 bar 1 4 MPa Maximum Working Pressure FM Approved nylon 3 8 npsm fbe 215637 1 4 in 6 mm ID x 25 ft 7 6 m 215638 1 4 in 6 mm ID x 50 ft 15 2 m Fluid Shutoff Drain Valve 500 psi 35 bar 3 5 MPa Maximum Working Pressure For turning fluid on or off 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 Fluid Swivel 5800 psi 405 bar 40 MPa Maximum Working Pressure 115898 1 4 npsm m x 1 4 npsm f 39 Accessories Gun Accessories Gun Repair Kits 244781 Air Seal Repair Kit 244911 Fluid Seal Repair Kit Round Pattern Kits Consists of fluid tip diffuser and air cap 245217 245219 4 6 in 102 152 mm diameter 8 10 in 203 254 mm diameter Adjustable Round Pattern Kit 277851 Slow velocity bell shaped spray pattern for excellent transfer efficiency Pattern is adjustable from 6 12 in Push Pull Fan Air Valve 244912 For quick change of fan size ES Always On Kit 244913 Replaces inlet fitting with ball valve to shut off air during flushing Converts ES ON OFF valve to always ON condition Handle Grips 245263 Medium Grip 245264 Large Grip Gun Washer Kit 245270 Use to convert Graco gun washers so they can clean PRO Xs2 ai
3. eos F P a INT N If the atomizing air valve is not desired install the sup LI TA lied plug 47 plied plug 47 Fig 19 Atomizing Air Valve 34 309291P ES ON OFF Valve Repair 1 Prepare the gun for service page 24 2 Loosen the screw 48 Remove the valve 3 Lubricate the o rings 22a and 22b with non sili cone grease Part No 111265 Do not over lubri cate CAUTION Do not over lubricate parts Excessive lubricant on the o rings can be pushed into the gun air passage and blemish the finish on the workpiece 309291P Repair 4 Clean and inspect parts for damage Replace if nec essary The protrusion on the retainer plate 22d must point upward 5 Reinstall the valve Torque the screw 48 to 15 25 in Ib 1 7 2 8 Nem 22f 22g 22d 22e KO 22c a 22a NG massa Fig 20 ES ON OFF Valve 35 Parts Parts Part No 244399 20 kV Electrostatic Gun Series C See page 37 for detail views of the alternator 19 fan adjustment valve 20 ES ON OFF valve 22 and packing rod 26 rr Ja 31 ti1496b 36 309291P Ref No 19 Alternator 309291P Ref No 20 Fan Adjustment Valve 20d Parts 37 Parts Ref 18a 18b 19 19a 19b 19c 19d 19e 20 20a 20b 20c 20d 21 kkk 22 22a 22b 22c 22d 22e 22f 22g 23 23a 23b 38 Part No 110078 185111 185120 188749 197266
4. The parties acknowledge that they have required that the present document as well as all documents notices and legal proceedings entered into given or instituted pursuant hereto or relating directly or indirectly hereto be drawn up in English Les parties reconnaissent avoir convenu que la r daction du pr sente document sera en Anglais ainsi que tous documents avis et proc dures judiciaires ex cut s donn s ou intent s a la suite de ou en rapport directement ou indirectement avec les procedures concern es Graco Information For the latest information about Graco products visit www graco com TO PLACE AN ORDER contact your Graco distributor or call this number to identify the distributor closest to you 1 800 328 0211Toll Free 612 623 6921 e 612 378 3505 Fax 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 309291 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 Copyright 2001 Graco Inc is registered to ISO 9001 www graco com Revised 10 2009
5. 111261 111507 197369 24A376 197517 197518 15M678 197589 185116 244396 245289 244539 103337 197624 244555 110073 223688 244577 111745 198821 244556 101021 106560 197566 197567 244557 244558 111516 113137 198403 198404 198453 198464 276753 244559 197594 197591 Description FITTING tube fluid includes one each of items 31 and 32 SPRING compression SPACER fluid nylon PACKING u cup air valve UHMWPE NOZZLE 1 5 mm orifice includes items 7a and 7b O RING conductive O RING fluoroelastomer SCREW trigger AIR CAP GASKET barrel SCREW socket hd 10 24 x 3 4 in 19 mm BRACKET inlet fluid TUBE fluid SPRING compression BARREL gun HANDLE gun includes item 28 POWER SUPPLY 20 kV includes items 18a 18b O RING fluoroelastomer SPRING compression TURBINE alternator includes items 19a 19e O RING fluoroelastomer BEARING KIT includes front and rear bearings and fan COIL RING retaining PAD pressure VALVE adjustment fan includes items 20a 20d RING retaining O RING fluorocarbon HOUSING fan valve STEM fan valve VALVE air VALVE electrostatics ON OFF includes items 22a 22g O RING CV75 O RING fluoroelastomer SHAFT valve PLATE retaining WASHER PIN KNOB VALVE air atomizing includes items 23a 23d HOUSING valve SHAFT O ASANG a ooo a Naa a ee ee Gee ree Cee A E ee Cee Cee Care Cae Cues
6. Gare Ref No 23c 111504 23d 101021 24 249323 24a 112085 25 244593 26 244598 26a 111316 26b 116905 26c 178409 26d 178763 26e 185488 26f 185495 26g 186069 26h 244694 27 244927 27a 198307 28 276695 29 276697 30 276698 31 110077 32 110079 35 244834 36 107460 37 276741 38 185103 39 110231 40 116553 41 244914 424 179791 434 180060 47 197967 48 198058 49 24A431 Part No Description O RING fluoroelastomer RING retaining VALVE exhaust includes item 24a O RING fluorocarbon VALVE adjustment fluid ROD packing includes items 26a 26h O RING fluoroelastomer SEAL PACKING fluid UHMWPE PACKING rod acetal homopoly mer NUT packing HOUSING packing SPACER packing acetal ROD packing RING retaining air cap includes item 27a PACKING u cup HOOK NEEDLE electrode TRIGGER FERRULE tube fluid NUT tube fluid SWIVEL air 1 4 npsm m left hand threads WRENCH ball end MULTI TOOL TUBE exhaust CLAMP GREASE dielectric tube not shown COVER gun box of 10 not shown TAG warning not shown SIGN warning not shown PLUG SCREW cap socket hd KIT wide pattern not shown Included in Air Seal Repair Kit 244781 Included in Fluid Seal Repair Kit 244911 Rubber seal is not removable Optional replacement Electrode Needle 277007 is available for abrasive materials A Replacement Warning labels signs tags
7. ON OFF valve OFF 309291P 15 Maintenance 6 Shut off or disconnect the solvent line 8 When ready to spray again reconnect the fluid sup ply line Follow the Setup procedure in the Opera 7 Hang the gun from its hook with the nozzle pointing tion Manual down 16 309291P Electrical Tests Electrical components inside the gun affect performance and safety The following procedures test the condition of the power supply 18 and electrode 29 and electri cal continuity between components Use megohmmeter Part No 241079 AA and an applied voltage of 500 V Connect the leads as shown SER 309291P WARNING Fire Explosion and Electric Shock Hazard Megohmmeter Part No 241079 AA see FIG 4 is not approved for use in a hazard ous area To reduce the risk of sparking do not use the megohmmeter to check electri cal grounding unless eThe gun has been removed from the haz ardous area eOr 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 containers or fumes from spraying Failure to follow this warning could cause fire explosion and electric shock and result in serious injury and property damage Electrical Tests Test Gun Resistance 1 Flush and dry the fluid passage 2 Measure resistance between the electrode needle tip 29 and the air swiv
8. and cards are available at no cost mh mh a sts S oss mb ob cb E k me eE bk a Ti mi a i 309291P Accessories Air Line Accessories AirFlex Flexible Grounded Air Hose 100 psi 7 bar 0 7 MPa Maximum Working Pressure 0 315 in 8 mm ID 1 4 npsm f x 1 4 npsm f left hand thread Use for maximum flexibility 244963 6 ft 1 8 m 244964 15 ft 4 6 m 244965 25 ft 7 6 m 244966 36ft 11 m 244967 50ft 15 m 244968 75 ft 23 m 244969 100 ft 30 5 m Standard Grounded Air Hose 100 psi 7 bar 0 7 MPa Maximum Working Pressure 0 315 in 8 mm ID 1 4 npsm f x 1 4 npsm f left hand thread 223068 6 ft 1 8 m 223069 15ft 4 6 m 223070 25 ft 7 6 m 223071 36 ft 11 m 223072 50ft 15 m 223073 75 ft 23 m 223074 100 ft 30 5 m Bleed Type Master Air Valve 300 psi 21 bar 2 1 MPa Maximum Working Pressure Relieves air trapped in the air line between this valve and the pump air motor when closed 107141 3 4 npt Air Line Shutoff Valve 150 psi 10 bar 1 0 MPa Maximum Working Pressure For turning air to gun on or off 224754 309291P 1 4 npsm m x 1 4 npsm f left hand thread Accessories Air Line Quick Disconnect 112534 Swiveling quick disconnect replaces stan dard air inlet swivel Air Hose Adapter Nipple 185493 Use to connect multiple air hoses 1 4 npt x 1 4 npsm left hand thread Non Swivel Air Inlet Fitting 185105 Replaces standard swivel Left hand thread
9. contact ring in place Do not replace the contact ring with anything but a genuine Graco part SER Use non silicone grease Part No 111265 on the small o ring 7b Do not over lubricate Do not lubricate the contact ring 7a 4 Lightly lubricate the o ring 7b Install it and the contact ring 7a on the nozzle 7 Make sure the electrode needle 29 is finger tight page 26 5 Trigger gun while installing the fluid nozzle 7 with the multi tool 37 Tighten until the fluid nozzle seats in the gun barrel 1 8 to 1 4 turn past hand tight D Install the air cap 9 and retaining ring 27 Make sure the u cup 27a is in place with the lips facing forward 7 Test gun resistance page 17 25 Repair Electrode Replacement 1 Prepare the gun for service page 24 2 Remove the air cap and nozzle page 25 3 Unscrew the electrode 29 with the multi tool 37 Hold the packing rod end 26h to prevent it from turning See FIG 10 Z N CAUTION To avoid damaging the plastic threads be very careful when installing the electrode 4 Apply low strength purple Loctite or equivalent thread sealant to the electrode and packing rod threads Install the electrode finger tight Do not overtighten 5 Install the fluid nozzle and air cap page 25 Fig 10 Electrode Replacement 6 Test gun resistance page 17 26 309291P Fluid Packing Removal 1 2 Prepare
10. oe taa 0 00 e a eee eee 11 Check Electrical Grounding 12 Check Fluid Resistivity 13 Check Fluid Viscosity 04 13 Operation IG Lee es 14 Maintenance cece eee eee 15 Flush the Spray Gun aaa 15 Electrical Tests aaa 17 Test Gun Resistance 17 Test Power Supply Resistance 18 Test Electrode Resistance 19 Troubleshooting 002 eee a 20 Spray Pattern Troubleshooting 20 Gun Operation Troubleshooting 21 Electrical Troubleshooting 22 Model Information Repair sce te hae UNG ee ile ee ee ee 23 Pressure Relief Procedure 23 Prepare the Gun for Service 24 Air Cap Nozzle Replacement 25 Electrode Replacement 26 Fluid Packing Removal 27 Packing Rod Repair a 28 Barrel Removal a 29 Barrel Installation AA 29 Power Supply Removal and Replacement 30 Turbine Alternator Removal and Replacement 31 Fan Air Adjustment Valve Repair 32 Fluid Adjustment Valve Repair 33 Air Valve Repair 0a 33 Atomizing Air Restrictor Valve Removal and Replacement a 34 ES ON OFF Valve Repair 35 Parts aaraa AA AA BN Ara dend ee eae ise 36 AccessorieS 0200 cee eee eee eee 39 Air Line Ac
11. only for its intended purpose If you are uncertain call your Graco distribu tor e Do not alter or modify equipment Use only genuine Graco parts and accessories e Check the equipment daily Repair or replace worn or damaged parts immediately e Do not exceed the maximum working pressure of the lowest rated system component Maxi mum working air and fluid pressure of this equipment is 100 psi 0 7 MPa 7 0 bar e Use fluids and solvents that are compatible with the equipment wetted parts See the Techni cal Data section of all equipment manuals Read the fluid and solvent manufacturer s warn ings e 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 e Do not kink or overbend hoses or use hoses to pull equipment e Wear hearing protection when operating this equipment e Comply with all applicable local state and national fire electrical and other safety regula tions Pressurized Equipment Hazard Spray from the gun hose leaks or ruptured components can splash fluid in the eyes or on the skin and cause serious injury e Do not point the spray gun at anyone or at any part of the body e Do not stop or deflect fluid leaks with your hand body glove or rag e Follow the Pressure Relief Procedure on page 23 when you stop spraying and before clean ing checking or repairing equipment e Check h
12. power supply and alternator excluding turbine bearings will be repaired or replaced for thirty six months or six thousand hours of operation from the date of sale This warranty applies only when the equipment is installed operated and maintained in accordance with Graco s written recommendations This warranty does not cover and Graco shall not be liable for general wear and tear or any malfunction damage or wear caused by faulty installation misapplication abrasion corrosion inadequate or improper maintenance negligence accident tampering or substitution of non Graco component parts Nor shall Graco be liable for malfunction damage or wear caused by the incompatibility of Graco equipment with structures accessories equipment or materials not supplied by Graco or the improper design manufacture installation operation or maintenance of structures accessories equipment or materials not supplied by Graco This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claimed defect If the claimed defect is verified Graco will repair or replace free of charge any defective parts The equipment will be returned to the original purchaser transportation prepaid If inspection of 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
13. serious injury if work W is not performed properly a eDo not install or service this equipment unless you are trained and qualified eBe sure your installation complies with National State and Local codes for the installation of electrical apparatus in a Class I Div Group D or a Group Il Category 2G Hazardous Location eComply with all applicable local state and national fire electrical and other safety reg ulations FIG 2 shows a typical electrostatic air spray system It is not an actual system design For assistance in designing a system to suit your particular needs contact your Graco distributor Warning Sign Mount warning signs in the spray area where they can easily be seen and read by all operators An English Warning Sign is provided with the gun Ventilate the Spray Booth WARNING Flammable or Toxic Vapor Hazard Provide fresh air ventilation to avoid the buildup of flammable or toxic vapors when a spraying flushing or cleaning the gun Do AN not operate the gun unless ventilation fans are operating Electrically interlock the gun air supply with the ventila tors to prevent gun operation without ventilating fans operating Check and follow all National State and Local codes regarding air exhaust velocity require ments High velocity air exhaust will decrease the operating effi ciency of the electrostatic system Air exhaust velocity of 100 ft min 31 linear meters m
14. the gun for service page 24 Remove the air cap and fluid nozzle page 25 Remove the electrode page 26 Remove the trigger screws 8 and trigger 30 See FIG 11 Remove the packing rod 26 using the multi tool 37 CAUTION Clean all parts in non conductive solvent compati ble with the fluid being used such as xylol or min eral spirits Use of conductive solvents can cause the gun to malfunction 6 Check all parts for wear or damage and replace if necessary 309291P Fig 11 Fluid Packing Removal TI1549A Repair 27 Repair Packing Rod Repair You may replace the packing rod as individual parts or as an assembly The assembly is pre adjusted at the factory Before installing the fluid packing rod 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 arc ing If marks are present replace the barrel To assemble the individual parts 1 Place the packing nut 26e and seal 26b on the fluid rod 26h Flats on the packing nut must face the back of the fluid rod The seal o ring must face away from the packing nut See FIG 12 2 Fill the inner cavity of the spacer 26g with dielec tric grease 40 Place the spacer on the fluid rod 26h in the direction shown Generously apply dielectric grease to the outside of the spacer 3 Place the
15. transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligation and buyer s sole remedy for any breach of warranty shall be as set forth above The buyer agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the date of sale Graco makes no warranty and disclaims all implied warranties of merchantability and fitness for a particular purpose in connection with accessories equipment materials or components sold but not manufactured by Graco These items sold but not manufactured by Graco such as electric motors switches hose etc are subject to the warranty if any of their manufacturer Graco will provide purchaser with reasonable assistance in making any claim for breach of these warranties In no event will Graco be liable for indirect incidental special or consequential damages resulting from Graco supplying equipment hereunder or the furnishing performance or 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
16. viscosity and 24A279 14 16 356 406 high solids Up to 15 oz min 450 cc min 24A376 Tapered end Light to medium viscosity l 17 19 432 483 Up to 15 oz min 450 cc min 24A274 Tapered end Light to medium viscosity l 12 14 305 356 Up to 15 oz min 450 cc min Medium to high viscosity and Round end high solids PARASI 11 13 279 330 Up to 15 oz min 450 cc min For use with 2 0 mm nozzle Light to medium viscosity and 24A275 Tapered end high solids 14 16 356 406 Aerospace coatings Up to 25 oz min 750 cc min Part No Orifice Size 197263 0 75 mm 030 in 197264 1 0 mm 042 in 197265 1 2 mm 047 in 197266 1 5 mm 055 in 197267 1 8 mm 070 in 1972681 2 0 mm 080 in 249920 0 75 mm 030 in 249921 1 0 mm 042 in 249922 1 2 mm 047 in 249923 1 5 mm 055 in 249924 1 8 mm 070 in 249925 t 2 0 mm 080 in Glass reinforced acetal construction T Air cap 24A439 must be used with a 2 0 mm 0 80 in nozzle 309291P Also available in the following colors 24A276 blue 24A277 red 24A278 green Installation Connect the Fluid Line 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 Install a fluid regulator M on the fluid line to control fluid pressure to the gun Install a fluid filter K and drai
17. workpiece hangers Faulty gun resistance See Test Gun Resistance on page 17 Low fluid resistivity Check fluid resistivity page 13 Fluid leaks from the packing 26d Clean the packing rod cavity and causes a short Replace the packing rod See page 28 Faulty turbine alternator Be sure the plug is in place on the back of the turbine alternator hous ing Remove and test the turbine alternator See page 31 ES indicator or voltage current dis ES ON OFF valve OFF 0 Turn ON I play is not lit No power Replace power supply See page 30 Operator gets mild shock Operator not grounded or is near See Grounding on page 11 ungrounded object Gun not grounded See Check Electrical Grounding on page 12 and Test Gun Resistance on page 17 Operator gets shock from workpiece Workpiece not grounded Resistance must be 1 megohm or less Clean workpiece hangers ES indicator light is off when the gun is triggered 22 309291P Repair Repair Pressure Relief Procedure 3 Trigger the gun into a grounded metal waste con tainer to relieve the fluid pressure WARNING Pressurized Equipment Hazard The system pressure must be manually 4 Open the pump drain valve having a waste con coi relieved to prevent the system from starting tainer ready to catch the drainage Leave the pump or spraying accidentally To reduce the risk drain valve open until you are ready to spray again o
18. 2 Remove the barrel page 29 3 Remove the fluid adjustment valve 25 from the handle 17 Remove the spring 15 See FIG 18 Repair 4 Remove the air valve 21 with a pliers Inspect the rubber sealing surface and replace the air valve if damaged CAUTION When removing the air valve 21 be careful not to damage the seat area The rubber seal is not removable CAUTION Clean all parts in non conductive solvent compati ble with the fluid being used such as xylol or min eral spirits Use of conductive solvents can cause the gun to malfunction 309291P 5 Inspect the u cup 6 Do not remove the u cup unless damaged If removed install the new one with its lips facing into the gun handle 17 6 Install the air valve 21 and spring 15 into the gun handle 17 7 Install the fluid adjustment valve 25 Torque to 15 25 in Ib 1 7 2 8 Nem 8 Install the barrel page 29 Oy Wed TH551A Fig 18 Air Valve 33 Repair Atomizing Air Restrictor Valve 4 NAA housing 23a to 15 20 in Ib Removal and Replacement Na 1 Prepare the gun for service page 24 2 Remove the atomizing air restrictor valve 23 Inspect the o ring 23c Replace if necessary See FIG 19 3 Install a new atomizing air restrictor valve 23 or disassemble and replace parts individually The valve protrusion must be oriented to clear the air valve 21 shaft
19. H Pump U Fluid Drain Valve J Pump Ground Wire V Gun Air Inlet K Fluid Filter W Gun Fluid Inlet L Fluid Supply Line Shutoff Valve 7 Required for safe Operalicn Must be purchased M Fluid Pressure Regulator separately NOTE Solenoid valve B is not 309291P offered as a Graco accessory Installation Connect the Air Line 4 Install a bleed type air valve E on the pump air line to shut off air to the pump Install an additional bleed type air valve C on the main air line A to isolate the accessories for servicing WARNING WARNING Electric Shock Hazard To reduce the risk of electric shock or other Wy serious injury the air supply hose must be Pressurized Equipment Hazard w electrically connected to a true earth The bleed type air valve E is required in ground Use only Graco Grounded Air A your system to relieve air trapped between Supply Hose the valve and the pump after the air regula tor is shut off Trapped air can cause the 1 Connect the Graco Grounded Air Supply Hose R pump to cycle unexpectedly wn ae between the air supply line and the gun s air inlet result He SSHBUSANJULY including splashing V The gun air inlet fitting has a left hand thread Tulin Me EESO OME SKIN Connect the air supply hose ground wire Q to a true earth ground 5 Install an air shutoff valve P on each gun air sup ply line to shut off air to the gun s 2 Install an air line filter water separ
20. Instructions Parts List G MANUAL ELECTROSTATIC GRACO PRO Xs2 Air Spray Gun aag For use in Class I Div hazardous locations using Group D spray materials O APPROVED For use in Group Il Zone 1 areas using Group IIA spray materials C BI 2 G EEx 0 24 mJ For Professional Use ONLY Important Safety Instructions Read all warnings and instructions in this manual Save these instructions See page for 2 Table of Contents and List of Models Part No 244399 Series C See page 2 for Model 244399 information 100 psi 0 7 MPa 7 bar Maximum Air Inlet Pressure 100 psi 0 7 MPa 7 bar Maximum Working Fluid Pressure US Patents 6758424 and 7 226 004 U S Patents 6758424 and 7 226 004 ti1295a HO03 PROVEN QUALITY LEADING TECHNOLOGY Table of Contents Table of Contents Table of Contents e eee eee 2 Model Information 000s2eeee eens 2 WarningS aa ERA eee ees 3 Introduction 00 cece eee eee eee eee 5 How the Electrostatic Spray Gun Works 5 Gun Overview 0 0 0 cece eee 5 Installation 2 00 c eee eee 6 Install the System 0 0000 eee eee 6 Warning Sign 6 Ventilate the Spray Booth 6 Connect the Air Line 00005 8 Connect the Exhaust Tube 8 Select a Fluid Nozzle and Air Cap 9 Connect the Fluid Line 10 Filter the Fluid 0 10 Grounding
21. ator O on the gun air line to ensure a dry clean air supply to the gun Dirt and moisture can ruin the appearance of your finished workpiece and can cause the gun to Connect the Exhaust Tube malfunction Press the exhaust tube 38 onto the barbed adapter on the bottom of the gun handle Secure the tube with the 3 Install a bleed type air regulator G on the pump clamp 39 and gun air supply lines to control air pressure to the pump and gun 8 309291P Select a Fluid Nozzle and Air Cap WARNING Pressurized Equipment Hazard To reduce the risk of an injury follow the aam Pressure Relief Procedure on page 23 before removing or installing a fluid nozzle and or air cap Installation Table 2 Air Caps Pattern Shape Recommended Fluids and The gun is supplied with Part No 197266 Nozzle and 24A376 Air Cap If you require a different size refer to Table 1 and Table 2 and instruction manual 309419 or consult with your Graco distributor See Air Cap Nozzle Replacement on page 25 A wide pattern kit P N 24A431 is included with the gun and if installed will provide more fan air for wider spray patterns If pattern becomes split use the fan air valve to reduce the amount of fan air Table 1 Fluid Nozzles Part No and Length in Production Rates mm 24A438 Round end Light to medium viscosity l 15 17 381 432 Up to 15 oz min 450 cc min Round end Medium to high
22. cessories 0 0 39 Fluid Line Accessories 39 Gun Accessories aaa 39 Miscellaneous Accessories 40 Technical Data 20 000 e eee eee eee 41 Graco Standard Warranty 25005 42 Graco Information 0 2000200e 42 Part No Model Type of Coatings Standard Operation Manual High Conductivity 244399 PRO Xs2 X X 309294 3W9294 3Z9294 309291P Warnings Warnings Warning Symbol Caution Symbol WARNING 4k CAUTION This symbol alerts you to the possibility of serious injury This symbol alerts you to the possibility of damage to or or death if you do not follow the instructions destruction of equipment if you do not follow the instruc Fire Explosion and Electric Shock Hazard Flammable fumes such as solvent and paint fumes in work area can ignite or explode To help prevent fire and explosion 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 tions WARNING Electrostatic equipment must be used only by trained qualified personnel who understand the requirements of this manual Ground equipment personnel object being sprayed and conductive objects in work area See Grounding instructions Only use grounded Graco conductive air supply hoses Check gun and hose resistance and e
23. ch on the flats of the valve assembly 20 and unscrew it from the handle 17 You may replace the valve as an assembly go to step 9 or as individual parts steps 3 9 3 Remove the retaining ring 20a See FiG 16 4 Turn the valve stem 20d counterclockwise until it comes free from the valve housing 20c 5 Remove the o ring 20b 20a NG Y Bo J Fig 16 Fan Air Adjustment Valve 32 6 Clean all parts and inspect for wear or damage Use non silicone grease Part No 111265 Do not over lubricate 7 When reassembling the fan air valve 20 lightly lubricate the valve threads and screw the stem 20d fully into the housing 20c until bottomed Install the o ring 20b lubricate and unscrew the valve stem until the o ring enters the housing 8 Reassemble the retaining ring 20a Unscrew the valve stem from the housing until it is stopped by the retaining ring 9 Screw the valve assembly 20 into the gun handle using a wrench on the flats of the housing Torque to 15 25 in Ib 1 7 2 8 Nem KO 20d AY NG Ts 309291P Fluid Adjustment Valve Repair 1 Prepare the gun for service page 24 2 Remove the fluid adjustment valve 25 It can only be replaced as a complete assembly See FIG 17 3 Screw the valve 25 into the gun handle Torque to 15 25 in Ib 1 7 2 8 Nem TI1536A Fig 17 Fluid Adjustment Valve Air Valve Repair 1 Prepare the gun for service page 24
24. e 22 for other possible causes of poor perfor mance or contact your Graco distributor 4 Remove the electrode 29 page 26 Measure the resistance between the contact E and the elec trode wire F The resistance should be 20 30 meg ohms If out of range replace the electrode See FIG 7 5 Make sure the metal contact C in the barrel the nozzle contact ring 7a FIG 8 and the electrode contact E are clean and undamaged cl ULI B 29 Shy Fig 6 Test Electrode Resistance 309291P Electrical Tests Al F 29 E L Fig 7 Electrode Fig 8 Nozzle Conductive O Ring ti1548a 19 Troubleshooting Troubleshooting A WARNING Electric Shock Hazard Installing and servicing this equipment Wy requires access to parts which may cause an electric shock or other serious injury if the work is not performed properly Do not install or repair this equipment unless you are trained and qualified WARNING Pressurized Equipment Hazard To reduce the risk of an injury follow the haa Pressure Relief Procedure on page 23 whenever you are instructed to relieve the pressure Spray Pattern Troubleshooting Check all possible remedies in the Troubleshooting Chart before disassembling the gun Some spray pattern problems are caused by the improper balance between air a
25. el 35 it should be 101 121 megohms If outside this range go to the next test If in range refer to Electrical Troubleshooting on page 22 for other possible causes of poor perfor mance TI1468A Fig 4 Test Gun Resistance 17 Electrical Tests Test Power Supply Resistance 1 Remove the power supply 18 page 29 2 Remove the turbine alternator 19 from the power supply page 30 3 Measure resistance from the power supply s ground strips EE to the spring 18b See FIG 5 4 The resistance should be 75 85 megohms If out side this range replace the power supply If in range proceed to the next test 5 If you still have problems refer to Electrical Trou bleshooting on page 22 for other possible causes of poor performance or contact your Graco distribu tor 6 Be sure the spring 18b is in place before reinstall ing the power supply 18 18b ane tl EE Fig 5 Test Power Supply Resistance ti1500a 309291P Test Electrode Resistance 1 Insert a conductive rod B into the gun barrel removed for the power supply test and against the metal contact C in the front of the barrel 2 Measure the resistance between the conductive rod B and the electrode 29 The resistance should be 20 30 megohms See FIG 6 3 Ifin range refer to Electrical Troubleshooting on pag
26. electrically conductive objects or devices in the spray area including fluid containers and wash cans must be properly grounded 11 Installation Check Electrical Grounding 4 Make sure the grounded air hose R is connected and the hose ground wire is connected to a true earth ground WARNING Fire Explosion and Electric Shock Hazard Megohmmeter Part No 241079 AA see M FIG 3 is not approved for use in a hazard 5 Measure the resistance between the gun handle ous area To reduce the risk of sparking do BB and a true earth ground CC Use an applied W not use the megohmmeter to check electri voltage of 500 minimum to 1000 volts maximum cal grounding unless The resistance should not exceed 1 megohm See W The gun has been removed from the haz FIG 3 Y ardous area eOr all spraying devices in the hazardous 6 If the resistance is greater than 1 megohm check area are turned off ventilation fans in the the tightness of the ground connections and be sure hazardous area are operating and there the air hose ground wire is connected to a true earth are no flammable vapors in the area such ground If the resistance is still too high replace the as open solvent containers or fumes from air hose spraying Failure to follow this warning could cause fire explosion and electric shock and result in serious injury and property damage 1 Have a qualified electrician check the electrical grounding con
27. f an injury from electric shock accidental spray from A the gun splashing fluid or moving parts follow the A Pressure Relief Procedure whenever you are instructed to relieve the pressure stop spraying check or service any of the system equipment or install or clean the fluid nozzle 5 If the nozzle or hose is completely clogged or pres 1 Turn the ES ON OFF valve OFF sure is not fully relieved slowly loosen the hose end coupling Now clear the nozzle or hose 2 Turn off the air bleed valves to the fluid source and to the gun 309291P 23 Repair Prepare the Gun for Service WARNING Electric Shock Hazard Installing and repairing this equipment Wy requires access to parts that may cause w electric shock or other serious injury if the work is not performed properly Do not install or ser vice this equipment unless you are trained and quali fied WARNING Pressurized Equipment Hazard To reduce the risk of injury follow the Pres fi sure Relief Procedure on page 23 before checking or servicing any part of the system and whenever you are instructed to relieve the pres sure 24 Check all possible remedies in Troubleshooting before disassembling the gun Use a vise with padded jaws to prevent damage to plastic parts Lubricate the power supply o ring 18a and some packing rod parts 26 with dielectric grease 40 as specified in the text Lightly lubr
28. fluid packing 26c rod packing 26d and housing 26f on the packing rod 26h Fig 12 Packing Rod 28 Lightly tighten the packing nut 26e The packing nut is properly tightened when there is 3 Ib 13 3 N of drag force when sliding the packing housing 26f assembly along the rod Tighten or loosen the pack ing nut as needed Install the o ring 26a on the outside of housing 26f Lubricate the o ring with non silicone grease Part No 111265 Do not over lubricate Install the spring 4 against the nut E as shown Install the packing rod assembly 26 into the gun barrel Using the multi tool 37 tighten the assem bly until just snug Install the trigger 30 and screws 8 Install the electrode page 26 Install the nozzle and air cap page 25 Test gun resistance page 17 TH550A 309291P Barrel Removal 1 Prepare the gun for service page 24 2 Carefully loosen the nut 32 from the bracket fluid fitting 13 Pull the tube 14 out of the fitting Make sure both ferrules and the nut stay with the tube 3 Loosen the three screws 11 CAUTION Repair Barrel Installation 1 Be sure the gasket 10 is in place Make sure the air holes are aligned properly Replace if damaged See FIG 14 2 Place the barrel 16 over the power supply 18 and onto the gun handle 17 3 Tighten the three screws 11 oppositely and evenly about a half turn past snug
29. high or too low contact the material supplier Adjust as necessary 13 Operation Operation Refer to the gun operation manual supplied for Setup Shutdown and Daily Care procedures INSTRUCTIONS 14 309291P Maintenance Maintenance Refer to the gun operation manual e supplied for Daily Care and Cleaning procedures INSTRUCTIONS Flush the Spray Gun A WARNING Flush the gun before changing colors at the end of the day before storing and before repairing the gun Pressurized Equipment Hazard To reduce the risk of an injury follow the NN WARNING itm Pressure Relief Procedure on page 23 whenever you are instructed to relieve the pressure Fire Explosion and Electric Shock Hazard To reduce the risk of fire explosion or elec pA tric shock turn the ES ON OFF valve OFF before flushing the gun ng 2 Relieve the pressure 3 Change the fluid source to solvent or disconnect the fluid line and connect a solvent supply line to the gun CAUTION Flush the gun with a non conductive compatible solvent Conductive solvents can cause the gun to malfunction 4 Point the gun into a grounded metal pail Flush until clean solvent flows from the gun Do not use methylene chloride as a flushing or cleaning solvent with this gun as it will damage nylon components 5 Relieve the pressure b b SEAN a 1 Turn the ES
30. icate o rings and seals with non silicone grease Order Part No 111265 Lubricant Do not over lubricate Only use genuine Graco parts Do not mix or use parts from other PRO Gun models Air Seal Repair Kit 244781 is available The kit must be purchased separately Kit parts are marked with an asterisk for example 67 Fluid Seal Repair Kit 244911 is available The kit must be purchased separately Kit parts are marked with a double asterisk for example 577 Flush the gun page 15 Relieve the pressure page 23 Disconnect the gun air and fluid lines Remove the gun from worksite Repair area must be clean 309291P Air Cap Nozzle Replacement CAUTION Hold the front end of the gun up and trigger the gun while removing the nozzle to help drain the gun and prevent any paint or solvent left in the gun from entering the air passages 1 Prepare gun for service page 24 2 Remove the retaining ring 27 and air cap 9 See FIG 9 3 Point gun up and squeeze trigger while removing the fluid nozzle 7 assembly with the multi tool 37 Lo ti1501a Fig 9 Air Cap Nozzle Replacement 309291P Repair WARNING Fire Explosion and Electric Shock Hazard The nozzle contact ring 7a is a conductive contact ring not a sealing o ring To reduce the risk of sparking or electric shock do not remove the nozzle contact ring 7a except to replace it and never operate the gun with out the
31. inute should be sufficient 309291P Installation ES ON OFF valve is ON 0 is OFF A annae L8E3BN Ng x r U i of L CT 1 77 wll la D Cr C O B 4 aw H 7 c ama n K f J jL NG PI E a R eee 4 toy KEN E Y T J J HE p r 5 P D th li U The air supply to the aa gun must be electri ban cally interlocked with y the ventilators to pre Q vent the power supply from operating without T ventilating fans on Non Hazardous Hazardous Area TI153la Fig 2 Typical Installation Key A Main Air Supply Line N Fluid Supply Line B Ventilation Fan Interlock Solenoid Valve O Gun Air Line Filter Water Separator C Main Air Supply Shutoff Valve bleed type P Gun Air Supply Line Shutoff Valve D Pump Air Line Filter Water Separator Q Air Hose Ground Wire E Pump Air Supply Shutoff Valve bleed type R Graco Grounded Air Hose F Air Line Lubricator S Electrostatic Air Spray Gun G Air Pressure Regulator T Air Line Drain Valve
32. ir Pressure at Gun Inlet Maximum Fluid Operating Temperature Paint Resistivity Range Short Circuit Current Output Voltage Output Sound Power measured per ISO Standard 9216 Sound Pressure measured 1 m from gun Air inlet fitting left hand thread Fluid inlet fitting Gun Weight Gun Length Wetted Parts Technical Data Data 100 psi 0 7 MPa 7 bar 100 psi 0 7 MPa 7 bar 40 psi 0 28 MPa 2 8 bar 120 F 48 C 3 megohm cm to infinity 125 microamperes 20 kV at 40 psi 0 28 MPa 2 8 bar 90 4 dB A at 100 psi 0 7 MPa 7 bar 105 4 dB A at 40 psi 0 28 MPa 2 8 bar 87 dB A at 100 psi 0 7 MPa 7 bar 99 dB A 1 4 npsm m 3 8 npsm m 23 5 oz 668 g 8 6 in 21 8 cm Stainless Steel Nylon Acetal Ultra High Molecular Weight Polyethylene Fluoroelastomer PEEK Tungsten Wire Polyethylene Loctite is a registered trademark of the Loctite Corporation 309291P 41 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 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 or two thousand hours of operation from the date of sale repair or replace any part of the equipment determined by Graco to be defective However any deficiency in the barrel handle trigger hook internal
33. kings or rod Replace packings or rod see page 28 Air leaks from the front of the gun Air valve 21 is not seating properly Clean and service air valve see page 33 Fluid leakage from the front of the gun Worn or damaged packing rod 26 Replace see page 28 Worn fluid seat Replace fluid nozzle and or electrode needle see pages 25 to 26 Loose fluid nozzle 7 Tighten see page 25 Damaged nozzle o ring 7b Replace see page 25 Gun does not spray Low fluid supply Add fluid if necessary Damaged air cap 9 Replace see page 25 Dirty or clogged fluid nozzle 7 Clean see page 25 Damaged fluid nozzle 7 Replace see page 25 Damaged fluid adjustment valve 25 Replace see page 33 Dirty air cap Misaligned air cap 9 and fluid noz zle 7 Clean fluid buildup off air cap and fluid nozzle seat see page 25 309291P 21 Troubleshooting Electrical Troubleshooting Problem Cause Solution Poor wrap ES ON OFF valve OFF 0 Turn ON I Gun air pressure too low Check air pressure to gun minimum 40 psi 0 28 MPa 2 8 bar needed at gun for full voltage Atomizing air pressure too high Decrease Fluid pressure too high Decrease Incorrect distance from gun to part Should be 8 12 in 200 300 mm Poorly grounded parts Resistance must be 1 megohm or less Clean
34. lectrical grounding daily Use and clean equipment only in well ventilated area Interlock the gun air supply to prevent operation unless ventilating fans are on Use cleaning solvents with highest possible flash point when flushing or cleaning equipment Always turn the electrostatics off when flushing cleaning or servicing equipment If there is static sparking or you feel a shock stop operation immediately Do not use equip ment until you identify and correct the problem Eliminate all ignition sources such as pilot lights cigarettes portable electric lamps and plas tic drop cloths potential static arc Do not plug or unplug power cords or turn lights on or off when flammable fumes are present Keep work area free of debris including solvent rags and gasoline Keep a working fire extinguisher in the work area 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 Wear appropriate protective clothing gloves eyewear and respirator 309291P Warnings WARNING Equipment Misuse Hazard Equipment misuse can cause the equipment to rupture malfunction or start unexpectedly and result in a serious injury e This equipment is for professional use only e Read all manuals tags and labels before operating the equipment e Use the equipment
35. n valve U at the pump outlet WARNING Pressurized Equipment Hazard The fluid drain valve U is required in your ita system to assist in relieving fluid pressure in the displacement 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 10 4 Connect the fluid line to the 3 8 npsm gun fluid inlet W 5 Before running any paint through the spray gun flush it out with a compatible solvent Filter the Fluid Install a fluid filter K to remove particles and sediment which could clog the spray nozzle 309291P Grounding WARNING Fire Explosion and Electric Shock Hazard When operating the electrostatic gun any ungrounded objects in the spray area peo electrically charged Improper grounding can result in static sparking which can ple containers tools etc can become W cause a fire explosion or electric shock Follow the grounding instructions below 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 Pump ground the pump by connecting a ground wire a
36. nd clamp as described in your separate pump instruction manual Electrostatic Air Spray Gun ground the gun by con necting the Graco Grounded Air Hose and connect ing the air hose ground wire to a true earth ground See Check Electrical Grounding page 12 Air compressors ground the equipment according to the manufacturer s recommendations All air and fluid lines must be properly grounded Use only grounded hoses with a maximum of 100 feet 30 5 m combined hose length to ensure grounding continuity 309291P Installation All persons entering the spray area shoes must have conductive soles such as leather or personal grounding straps must be worn Do not wear shoes with non conductive soles such as rubber or plastic If gloves are necessary wear the conductive gloves that are supplied with the gun If non Graco gloves are worn cut off fingers or palm area of glove to ensure your hand contacts the grounded gun han dle Object being sprayed keep the workpiece hangers clean and grounded at all times Resistance must not exceed 1 megohm The floor of the spray area must be electrically con ductive and grounded Do not cover the floor with cardboard or any non conductive material which would interrupt grounding continuity Flammable liquids in the spray area must be kept in approved grounded containers Do not use plastic containers Do not store more than the quantity needed for one shift All
37. nd fluid Problem Cause Solution Fluttering or spitting spray No fluid Refill supply Loose dirty damaged nozzle seat Clean or replace nozzle page 25 Air in fluid supply Check fluid source Refill Improper spray pattern Damaged nozzle or air cap Replace page 25 Fluid buildup on air cap or nozzle Clean See Operation Manual a 2 Fan air pressure too high Decrease Fluid too thin Increase viscosity Fluid pressure too low Increase Fan air pressure too low Increase Fluid too thick Reduce viscosity Too much fluid Decrease flow Streaks 20 Did not apply 50 overlap Overlap strokes 50 Dirty or damaged air cap Clean or replace page 25 309291P Gun Operation Troubleshooting Troubleshooting Problem Cause Solution Excessive spray fog Atomizing air pressure too high Close restrictor valve some or decrease air pressure as low as pos sible minimum 40 psi 0 28 MPa 2 8 bar needed at gun for full voltage Fluid too thin Increase viscosity Orange Peel finish Atomizing air pressure too low Open atomizing air valve more or increase gun air inlet pressure use lowest air pressure necessary Poorly mixed or filtered fluid Remix or refilter fluid Fluid too thick Reduce viscosity Fluid leaks from the fluid packing area Worn pac
38. oses and couplings daily Replace worn damaged or loose parts immediately e Tighten all fluid connections before each use 309291P Introduction How the Electrostatic Spray Gun Works The air hose supplies air to the spray gun Part of the air operates the turbine and the rest of the air atomizes the fluid being sprayed The turbine generates power which is converted by the power cartridge to supply high volt age current to the gun s electrode The pump supplies fluid to the hose and gun where the fluid is electrostatically charged as it passes the elec trode The charged fluid is attracted to the grounded workpiece wrapping around and evenly coating all sur faces Gun Overview The electrostatic gun includes the following controls see FIG 1 e FLUID adjustment valve Adjusts fluid rod travel Use only in low flow conditions to reduce wear e Fan AIR adjustment valve Adjusts fan size and shape 309291P Introduction e Atomizing air RESTRICTOR valve Restricts atomizing air flow Replace with plug included if desired e ES ON OFF valve Turns electrostatics ON 1 or OFF 0 e ES INDICATOR Green when ES is ON I ES INDICATOR AIR FLUID Fig 1 Gun Overview Installation Installation Install the System WARNING Fire Explosion and Electric Shock Hazard Installing and servicing this equipment requires access to parts which may cause electric shock or other
39. power supply make sure the o rings 18a 19a spring 18b and pads 19e are in place 6 Connect the 3 wire connector GG Slide the alter nator 19 down onto the power supply 18 30 7 Lubricate the alternator o ring 19a with non sili cone grease Part No 111265 Do not over lubri cate 8 Lubricate the power supply o ring 18a with dielec tric grease 40 9 Insert the power supply alternator assembly in the gun handle 17 Make sure the ground strips make contact with the handle 10 Install the barrel 16 page 29 11 Test gun resistance page 17 d ae A a 46 8 3 Fig 15 Power Supply 309291P Turbine Alternator Removal and Replacement Replace turbine alternator bearings after 2000 hours of operation Order Part No 223688 Bearing Kit 1 Prepare gun for service page 24 2 Remove the power supply alternator assembly page 30 3 Disconnect the alternator from the power supply page 30 309291P Repair Measure resistance between the two outer termi nals of the 3 wire connector GG it should be 2 5 3 5 ohms If outside this range replace the alter nator coil Follow the bearing replacement procedure in the bearing kit manual 308034 Install the alternator on the power supply page 30 Install the power supply alternator assembly page 30 31 Repair Fan Air Adjustment Valve Repair 1 Prepare the gun for service page 24 2 Place a wren
40. r spray guns Pressure Cups Includes air regulators for gun atomization air and sup ply air to pressure cup 244731 1 Quart 0 95 Liter 244732 2 Quart 1 90 Liter Gun Valve Lubricant 111265 4 oz 113 g tube of sanitary non silicone lubricant for fluid seals and wear areas Alternator Bearing Kit 223688 To repair the turbine alternator Cleaning Brush 105749 For cleaning air cap and fluid nozzle 40 Abrasive Material Electrode Needle 277007 Optional replacement Electrode Needle is available for abrasive materials Miscellaneous Accessories Ground Wire and Clamp 222011 For grounding pump and other components and equipment in the spray area 12 gauge 25 ft 7 6 m Megohmmeter 241079 500 Volt output 0 01 2000 megohms Not for use in hazardous areas Paint Resistance Meter 722886 Use with 722860 Paint Probe to measure resistance of paint Not for use in hazardous areas Paint Probe 722860 Use with 722886 Paint Resistance Meter to measure resistance of paint Not for use in hazardous areas Safety Warning Signs 180060 English Warning Sign FM Approved Avail able at no charge from Graco Instruction Signs 198309 198319 English Setup Instructions English Daily Care Instructions Electrostatic Conductive Gloves box of 12 117823 Small 117824 Medium 117825 Large 309291P Technical Data Category Maximum Working Fluid Pressure Maximum Working Air Pressure Minimum A
41. tinuity of the spray gun and air hose 2 Turn the ES ON OFF valve OFF CC ti1274a 3 Turn off the air and fluid supply to the gun The fluid hose must not have any fluid in it flee Cheek Gun Grounding 12 309291P Check Fluid Resistivity WARNING Fire Explosion and Electric Shock Hazard Gi Check the fluid resistivity in a non hazard ous area only Resistance Meter 722886 and Probe 722860 are not approved for use W in a hazardous area W Failure to follow this warning could cause fire explosion or electric shock and result in serious injury and property damage Graco Part No 722886 Resistance Meter and 722860 Probe are available as accessories to check that the resistivity of the fluid being sprayed meets the require ments of an electrostatic air spray system Follow the instructions included with the meter and probe Readings of 25 megohms cm and above provide the best electrostatic results 309291P Installation Check Fluid Viscosity To check fluid viscosity you will need e a viscosity cup e a stopwatch 1 Completely submerge the viscosity cup in the fluid Lift the cup out quickly starting the stopwatch as soon as the cup is completely removed 2 Watch the stream of fluid coming from the bottom of the cup As soon as there is a break in the stream shut off the stopwatch 3 Record the fluid type elapsed time and size of the viscosity cup 4 If the viscosity is too
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