AU-81-07.2 - Ransburg.com
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1. 2 Replace needle 19 spring 8 and spring retainer 12 into the appropriate half of the regula tor body Replace snap ring 11 using the needle nose pliers while carefully compressing spring 8 3 Replace adjusting screw 1 and lock nut 2 Now loosen adjusting screw 1 completely Re install the signal air section of the regulator body and screw lock nut 2 all the way in Measure the length of the adjusting screw from its end to the body of the regulator and reset it to the same mea surement that was recorded during disassembly 4 Reinstall spring 8 diaphragm 10 diaphragm plates 9 and o ring 13 Join the halves of the body assembly and secure the six 6 machine screws 3 5 Reinstall fitting 21 or 23 to the flow regulator and secure the two cap screws 22 or 24 that hold the inlet 6 Reinstall orifice assembly 26 and plug 17 to the body of the regulator if used 12 Flow Regulator Parts Identification Ransburg PARTS IDENTIFICATION See appropriate service manual for connections Figure 3a Exploded View 13 AU 81 07 2 Flow Regulator Parts Identification Ransburg Figure 3b Exploded View 14 Flow Regulator Parts Identification 15 FLOW REGULATOR PARTS LIST Figures 3a and 3b For 9897 40F Screw Adjusting Ransburg All 7733 31 Nut Jam All 1783 32F Screw All 7776 04 Lockwasher All 70168 002. less than 20 ft long 2 Use B if delivery is greater than 400 cc min and paint hose is 20 to 35 ft long 3 Paint pressure at regulating valve must be greater than control 4 If conducting type paint is used paint supply must be insulated 5875 00 insulated stand for tank 9 AU 81 07 2 Ransburg Adjustment Procedures 1 When several regulators are being used in a paint system an adjustment screw on the signal air side of the units can be used to balance sig nal air and fluid delivery variations between units in order to secure uniform delivery from all the regulators 2 The paint input pressure must always be higher than the signal air pressure preferably by 10 psi higher than maximum signal pressure The nor mal signal pressure range is 0 to 30 psi 3 Paint lines flow regulator orifice assemblies filter screens and nozzles must be kept clean and open Plugging will alter the regulated flow of the coating material 4 Input paint pressure variations have little or no effect on the paint output through the regulator provided a The paint pressure always remains higher than the signal air pressure and b The output as signaled is within the flow capacity of the regulator 5 Minor changes in paint viscosities have only minor effects on output flow curves Installation Parameters Paint input pressure should be 10 psi higher than the maximum signal air pressure A good typical working range f
3. pressure pot to provide a regulated flow of coating material for reciprocat ing electrostatic equipment The regulator uses a stainless steel diaphragm that balances signal air pressure against the output fluid pressure Fluid delivery can be varied from about 20 to 800 cc per minute by using one of four available orifice assemblies or an appropriate Ransburg fluid valve as an adjustable orifice and adjusting the signal air pressure This Flow Regulator is most useful with reciprocat ing spray systems because it is highly sensitive to very small changes in input head pressure and has avery fast response to such variations Since signal air pressure is set remotely at a control panel fluid delivery may be adjusted as desired while the reciprocator is in motion The regulator is available with either circulating or non circulating input end fittings and either a standard or insulated mounting An opening is provided for straight through flushing AU 81 07 2 Flow Regulator Introduction SPECIFICATIONS Environmental Physical Diameter Height Width Weight Connections Max Paint Inlet Pressure Max Paint Pilot Pressure Max Fluid Flowrate Multiple Applicators Recommended Differential Pressure Paint Inlet Pilot Air 4 1 8 inches 5 5 inches maximum w plug and orifice 5 0 inches input fitting to signal air adjustment screw 70171 2 Ibs 9 oz w plug and orifice assy Flushi
4. Case Spring All 70164 00 Button Spring Upper All 7554 12 O Ring All 13899 00 Spring All CO OO N o gt On A Co Po gt 70161 00 Plate Diaphragm All 70162 00 Diaphragm All A10056 04 Ring Retaining All 13036 00 Retainer Spring All 7554 25 O Ring All 7554 27 O Ring All 70169 00 Case Diaphragm Standard 70171 04 14 70170 00 Case Diaphragm Quick Flush Optional 70171 04 14 1625 12 Plug Pipe All 13694 XX Seat Needle All 13695 00 Needle All 7554 26 O Ring All 70167 00 Fitting 70171 00 03 7958 32C Screw 70171 01 03 70166 00 Fitting 70171 02 04 7958 56C Screw 70171 02 04 1017 00 Fitting Straight All 7787 02 Fitting Swivel Straight All 7884 03 Fitting Elbow Male 90 All 7892 01 Connector Male All 3364 01 Tee All 7958 56C Bolt All 3364 01 Tee All 7958 56C Bolt All 7734 06 Lockwasher All 19490 02 Connector Swivel Hose All 8390 23 Ferrule Brass All 4342 04 Elbow Street 90 All 7596 03 Bushing All 70171 XX Regulator Fluid Circulating All 15393 70719 or as appropriate Valve Assembly Fluid Must be called out separately when ordering XX Det
5. DAMAGE TO PROPERTY OR FOR CONSEQUENTIAL DAMAGES FOR LOSS OF GOODWILL OR PRODUCTION OR INCOME WHICH RESULT FROM USE OR MISUSE OF THE EQUIPMENT BY PURCHASER OR OTH ERS EXCLUSIONS If in Ransburg s opinion the warranty item in question or other items damaged by this part was improperly installed operated or maintained Ransburg will assume no responsibility for repair or replacement of the item or items The pur chaser therefore will assume all responsibility for any cost of repair or replacement and service related costs if applicable 16 Service Manual Price 15 00 Euro 20 00 U S Manufacturing 1910 North Wayne Street Angola Indiana 46703 9100 Telephone 260 665 8800 Fax 260 665 8516 Technical Service Assistance Telephone 800 233 3366 Fax 419 470 2071 Technical Support Representative will direct you to the appropriate telephone number for ordering Spare Parts Form No AU 81 07 2 2013 Ransburg All rights reserved ISO 9001 Litho in U S A Models and specifications subject to change without notice Quality Systeme 09 13
6. F before working on the equipment Test only in areas free of flammable or combus tible material Testing may require high voltage to be on but only as instructed Production should never be done with the safety circuits disabled Before turning the high voltage on make sure no objects are within the sparking distance Follow the requirements of the Material Safety Data Sheet supplied by coating material manu facturer Adequate exhaust must be provided to keep the air free of accumulations of toxic materials Use a mask or respirator whenever there is a chance of inhaling sprayed materials The mask must be compatible with the material being sprayed and its concentration Equipment must be as prescribed by an industrial hygienist or safety expert and be NIOSH approved Aluminum is widely used in other spray ap plication equipment such as material pumps regulators triggering valves etc Halogenated hydrocarbon solvents must never be used with aluminum equipment during spraying flushing or cleaning Read the label or data sheet for the material you intend to spray If in doubt as to whether or not a coating or cleaning material is compatible contact your coating supplier Any other type of solvent may be used with aluminum equipment AU 81 07 2 Ransburg INTRODUCTION GENERAL DESCRIPTION The Ransburg Flow Regulator is an air operated unit that may be used with any suitable paint circulating system or
7. SERVICE MANUAL Ransburg AU 81 07 2 replaces AU 81 07 1 September 2013 FLOW REGULATOR MODELS 70171 IMPORTANT Before using this equipment care fully read SAFETY PRECAUTIONS starting on page 1 and all instructions in this manual Keep this Service Manual for future reference Service Manual Price 15 00 Euro 20 00 U S Ransburg Flow Regulator Contents CONTENTS PAE SAFETY 1 5 SAFETY PRECAUTIONS sssssssssssssssssssssssssssssssssssesssssssvesessssssssssssssssesssssssessssssesssssesseessenesen 1 Scie suse tales earcitestosbinsiietoeadscaeelsetamclean 2 5 INTRODUCTION 6 7 REGULATOR INSTALLATION ssssssssssssscsssssessssssssssssssssssssssssssssssssssssssssssssssnsssssusssessssssssssssssees 6 SPECIFICATION eet ee 6 PLON 7 INSTALLATION 8 10 REGULAR INS PME este tee eee 8 eA IS cena tence eect 9 OPERATION 11 12 OPERATION AND 11 12 PARTS IDENTIFICATION 13 15 E EE E E EATEN AE EE eT Nee ee 13 14 FLOW REGULATOR PARTS 15 WARRANTY POLICIES 16 PUI UPN ee ee ee ee ee 16 AU 81 07 2 Flow Regulator Safety SAFETY SAFETY PRECAUTIONS Before operating
8. as follows Disassembly To remove the regulator from the installation for service e Flush the regulator with solvent e Release the air and fluid pressures Disconnect the air and fluid connections at the regulator and remove the regulator from the installation If orifice assemblies are located externally rather than in the flow regulators remove them at this time as well 1 Remove plug 17 and orifice assembly 26 from the body of the regulator if used 2 Remove the two 2 cap screws 22 or 24 that hold the inlet fitting 21 or 23 to the flow regulator and then remove the fitting 3 Loosen the six 6 machine screws 3 that hold the halves of the regulator body together Separate the body assembly and remove o ring 13 diaphragm plates 9 and diaphragm 10 One spring 8 will also come out at this time AU 81 07 2 Ransburg 4 Take the signal air section of the regulator body and screw lock nut 2 all the way out Measure the length of the adjusting screw from its end to the body of the regulator and record the measure ment On reassembly the adjusting screw should be reset to this position Now tighten adjusting screw 1 completely Upper spring button 6 with o ring 7 may not be removed from the regulator body Remove adjusting screw 1 and lock nut 2 5 Take the other half of the regulator body and remove snap ring 11 using the needle nose pliers while carefully compressing sprin
9. be present in the spray area and tested periodically Spray areas must be kept clean to prevent the accumulation of combustible residues Smoking must never be allowed in the spray area The high voltage supplied to the atomizer must be turned off prior to cleaning flushing or main tenance When using solvents for cleaning e Those used for equipment flushing should have flash points equal to or higher than those of the coating material Those used for general cleaning must have flash points above 100 F 37 8 C Spray booth ventilation must be kept at the rates required by NFPA 33 OSHA country and local codes In addition ventilation must be main tained during cleaning operations using flam mable or combustible solvents Electrostatic arcing must be prevented Safe sparking distance must be maintained between the parts being coated and the applicator A dis tance of 1 inch for every 10KV of output voltage is required at all times Test only in areas free of combustible material Testing may require high voltage to be on but only as instructed Non factory replacement parts or unauthor ized equipment modifications may cause fire or injury If used the key switch bypass is intended for use only during setup operations Production should never be done with safety interlocks dis abled Never use equipment intended for use in water borne installations to spray solvent based ma terials The paint proce
10. e close to the regulator This gauge will permit quick comparison of paint fluid pressure close to the regulator with the signal air pressure at the control panel AU 81 07 2 Flow Regulator Installation Automatic Applicators Depending on the application any of four Flow Regulator arrangements may be used A typical installation arrangement for using the regulator with equipment is shown in Figure 2 If a circu lating fluid system is being used the modulating valve in the return side of the system must be capable of being set so that a paint pressure of 40 psi can be otbtained at the regulator Fluid Flow Chart MAXIMUM REGULATOR OUTPUT WIDE OPEN NO RESTRICTION flow cc min FLUID REGULATION IS LOST WHEN SIGNALLED OUTPUT iS ABOVE THIS CURVE input paint pressure Flow Regulator Installation Ransburg PAINT SUPPLY APPROX 40 PSI A wr B 3364 2 4342 2 1017 TYPICAL 10581 1 TYPICAL 10581 1 9704 6 TYPICAL 10581 1 TYPICAL 1017 TYPICAL 4342 2 TYPICAL 336 6115 1 4342 2 TYPICAL CONNECTS AT ACK OF VALVE APPLICATOR INSULATOR SUPPORT 8115 1 70 165 XX DETERMINED BY FLUID DELIVERY REQUIRED 4341 2 10581 1 5190 10581 8265 0 60 GAUGE 9164 3 REDUCING 8148 SOLENOID 2025 1 NIPPLE 2 220 6115 2 HEX NIPPLE FACTORY AIR SUPPLY BY USER 1 4 NPT 6162 AIR REGULATOR 7892 4 7819 4 Figure 2 Typical Installation NOTES 1 Use if paint hose is
11. ermined by application See your Ransburg Installation Drawings or contact your Ransburg representative All AU 81 07 2 Ransburg Flow Regulator Warranty Policies WARRANTY POLICIES LIMITED WARRANTY Ransburg will replace or repair without charge any part and or equipment that falls within the specified time see below because of faulty work manship or material provided that the equipment has been used and maintained in accordance with Ransburg s written safety and operating instruc tions and has been used under normal operating conditions Normal wear items are excluded THE USE OF OTHER THAN RANSBURG AP PROVED PARTS VOID ALL WARRANTIES SPARE PARTS One hundred and eighty 180 days from date of purchase except for rebuilt parts any part number ending in R for which the warranty period is ninety 90 days EQUIPMENT When purchased as a complete unit 1 guns power supplies control units etc is one 1 year from date of purchase WRAPPING THE APPLICATOR ASSOCIATED VALVES AND TUBING AND SUPPORTING HARDWARE IN PLASTIC SHRINK WRAP OR ANY OTHER NON APPROVED COVERING WILL VOID THIS WARRANTY AU 81 07 2 RANSBURG S ONLY OBLIGATION UNDER THIS WARRANTY IS TO REPLACE PARTS THAT HAVE FAILED BECAUSE OF FAULTY WORKMANSHIP OR MATERIALS THERE ARE NO IMPLIED WARRANTIES NOR WAR RANTIES OF EITHER MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE RANSBURG ASSUMES NO LIABILITY FOR INJURY
12. g 8 Remove spring retainer 12 spring 8 and needle 19 6 Unscrew needle seat 18 from the regulator body using a large screwdriver 7 Remove allo rings The flow Regulator is now completely disassembled Cleaning Thoroughly soak all parts that are to be reused in a suitable clean solvent One compatible with the paints being used Then brush with a bristle brush until clean Do NOT use a wire brush when cleaning the regulator parts Examine needle 19 carefully for evidence of wear and replace if it is noticeably scored or worn or if the regulator fails to shut off completely It is recommended that needle seat 18 be replaced with a new one whenever it is removed from the assembly All o rings should be replaced with new when removed In time the jewel orifice assembly 26 will wear If this normal wear causes loss of control or low end output remains excessive the orifice assembly should be replaced If the orifice assembly screen is clogged replace it If the input pre filter if used is clogged clean or replace the filter element Assembly e Replace all o rings and worn or damaged parts with new e O rings and screw threads should be lightly coated with petroleum jelly AU 81 07 2 Flow Regulator Operation gt NEVER under any circumstances use SILICONE GREASES to lubricate parts of the flow regulator 1 Screw needle seat 18 into the regulator body using a large screwdriver
13. ls where hazards may occur Electrical Equipment Toxic Substances Spray Area HAZARD Tells what the hazard is Electrical Discharge High voltage equipment is uti lized in the process Arcing in the vicinity of flammable or combustible materials may oc cur Personnel are exposed to high voltage during operation and maintenance Protection against inadvertent arcing that may cause a fire or explosion is lost if safety circuits are disabled during operation Frequent power supply shut down indicates a problem in the system which requires correc tion An electrical arc can ignite coat ing materials and cause a fire or explosion Certain material may be harmful if inhaled or if there is contact with the skin Explosion Hazard Incompatible Materials Halogenated hydrocarbon sol vents for example methylene chloride and 1 1 1 Trichloro ethane are not chemically com patible with the aluminum that might be used in many system components The chemical reaction caused by these sol vents reacting with aluminum can become violent and lead to an equipment explosion Ransburg SAFEGUARDS Tells how to avoid the hazard Unless specifically approved for use in hazard ous locations the power supply control cabinet and all other electrical equipment must be locat ed outside Class or Division 1 and 2 hazard ous areas in accordance with NFPA 33 and EN 50176 Turn the power supply OF
14. maintaining or servicing any Ransburg electrostatic coating system read and understand all of the technical and safety literature for your Ransburg products This manual contains information that is important for you to know and understand This information relates to USER SAFETY and PREVENTING EQUIPMENT PROB LEMS To help you recognize this information we use the following symbols Please pay particular attention to these sections A WARNING states information to alert you to a situation that might cause serious injury if instructions are not followed A CAUTION states information that tells how to prevent damage to equipment or how to avoid a situation that might cause minor injury A NOTE is information relevant to the proce dure in progress While this manual lists standard specifications and service procedures some minor deviations may be found between this literature and your equipment Differences in local codes and plant requirements material delivery requirements etc make such variations inevitable Compare this manual with your system installation draw ings and appropriate Ransburg equipment man uals to reconcile such differences Careful study and continued use of this manual will provide a better understanding of the equipment and process resulting in more efficient opera tion longer trouble free service and faster easier troubleshooting If you do not have the manuals and safety literature for your Ransbu
15. n go on to the next step If they are not equal raise the input fluid pressure to the flow regulator and turn the adjusting knob on the fluid valve one half turn clockwise Continue this process until the deliveries are equal at the top and bottom of the reciprocator stroke 4 Record all fluid flow information This informa tion provides the user with a means of charting the air pressures required to obtain a certain fluid delivery Recorded information also aids in production repeatability 5 Future adjustments in delivery can be made by adjusting fluid inlet pressure at the flow regulator or the adjusting screw on the fluid valve depend ing on the amount of change in fluid volume or viscosity 10 Flow Regulator Operation 11 OPERATION OPERATION AND MAINTENANCE These instructions indicate the general operating and maintenance parameters for this product in a normal working relationship with other Ransburg System components in typical use Each user ap plication is unique and operation should be initited under the guidance of an Ransburg representative and or be based on carefully conducted tests and on careful observation of the initial production characteristics Once installed and adjusted the operation of this product is automatic with the system controller If a change in equipment or coating material or method requires a change in operating param eters see the Installation section for Adjustment P
16. ng Inlet 1 4 NPT Paint Outlet 1 4 NPT Signal Air 1 4 NPT Paint Inlet 1 4 NPT Except recirculating system end fitting 1 2 NPT 40 psig 30 psig 1800 cc min 10 psig Flow Regulator Introduction Ransburg Model 70171 Assembly Figure 1 Flow Regulators 7 AU 81 07 2 Ransburg INSTALLATION REGULATOR INSTALLATION This information is intended ONLY to indicate the general installation parameters of this product and where applicable its working relationship to other Ransburg system components in typical use Each installation is unique and should be directed by an Ransburg representative or made from the Ransburg installation drawings provided for your particular installation Turbo Disk Applicators This procedure is applicable both with and without orifice assembly and can be used with both normal and conductive paints A typical installation ar rangement for the regulator is shown in Figure 2 The unit should be mounted on the insulator sup port with the output port facing down The orifice if used should be installed in the regu lator using the size that will provide the requried fluid delivery See Flow Characteristics Chart in this section If the paint pump or pressure pot is located at some distance from the applicator equipment and or if a recirculating system is used it is often desirable to install a pressure gauge at some con venient point in the paint lin
17. oating materi als and cause a fire or explo sion Flow Regulator Safety SAFEGUARDS Tells how to avoid the hazard Parts being sprayed and operators in the spray area must be properly grounded Parts being sprayed must be supported on con veyors or hangers that are properly grounded The resistance between the part and earth ground must not exceed 1 meg ohm Refer to NFPA 33 Operators must be grounded Rubber soled in sulating shoes should not be worn Grounding straps on wrists or legs may be used to assure adequate ground contact Operators must not be wearing or carrying any ungrounded metal objects When using an electrostatic handgun operators must assure contact with the handle of the ap plicator via conductive gloves or gloves with the palm section cut out NOTE REFER TO NFPA 33 OR SPECIFIC COUNTRY SAFETY CODES REGARDING PROPER OPERATOR GROUNDING All electrically conductive objects in the spray area with the exception of those objects re quired by the process to be at high voltage must be grounded Grounded conductive flooring must be provided in the spray area Always turn off the power supply prior to flush ing cleaning or working on spray system equip ment Unless specifically approved for use in hazard ous locations all electrical equipment must be located outside Class or Division 1 or 2 haz ardous areas in accordance with NFPA 33 Flow Regulator Safety AREA Tel
18. or normal solvent base paints is 40 psi of paint input pressure with the signal air pressure ranging from 0 to a maximum of 30 psi depending on the desired delivery Paint pressure may be reduced if 40 psi is not needed for the flow requirement However if the paint pressure is reduced the signal air pressure should also be reduced proportionately to main tain a differential between the signal air and paint pressures of at least 10 psi AU 81 07 2 Flow Regulator Installation The final fluid output pressure and volume is achieved by adjusting the fluid valve to the desired amount Major adjustments in output pressure and volume to accomodate a large change in viscosity may require an adjustmnet at the fluid valve and or of paint input pressure Adjustment Procedures 1 Select a paint inlet pressue and a signal air pressure for the flow regulator 40 psi inlet pres sure with a 15 psi signal air pressure is a good range 2 With the air signal to the fluid valve OFF close the needle adjusting screw at the top of the valve by turning clockwise until resistance is met then open the valve by turning the adjusting screw 50 open approximately three full turns 3 Take a fluid delivery at the atomizer NOTE gt If areciprocator is used take a fluid delivery at the atomizer at the bottom of the reciprocator stroke and at the top of the reciprocator stroke Compare these deliveries If they are approximately equal the
19. rg system contact your local Ransburg representative or Ransburg Ransburg A WARNING gt The user MUST read and be familiar with the Safety Section in this manual and the Ransburg safety literature therein identified This manual MUST be read and thoroughly understood by ALL personnel who operate clean or maintain this equipment Special care should be taken to ensure that the WARNINGS and safety requirements for operating and servicing the equipment are followed The user should be aware of and adhere to ALL local building and fire codes and ordinances as well as NFPA 33 SAFETY STANDARD LATEST EDITION prior to installing operating and or servicing this equipment A WARNING gt The hazards shown on the following pages may occur during the normal use of this equip ment Please read the hazard chart beginning on page 2 AU 81 07 2 Ransburg AREA Tells where hazards may occur Spray Area AU 81 07 2 HAZARD Tells what the hazard is Fire Hazard Improper or inadequate operation and maintenance procedures will cause a fire hazard Protection against inadver tent arcing that is capable of causing fire or explosion is lost if any safety interlocks are disabled during opera tion Frequent Power Supply or Controller shutdown indi cates a problem in the system requiring correction Flow Regulator Safety SAFEGUARDS Tells how to avoid the hazard Fire extinguishing equipment must
20. rocedures Housekeeping The Ransburg Flow Regulator is simple rugged and reliable It eliminates flow variations through reciprocated equipment due to changes in pres sure and is capable of providing long and reliable service However it is imperative to keep dirt particles and paint deposits from building up at orifices or orifice screen filters Such deposits reduce fluid output and make it impossible to get repeatable results with the same operating parameters Orifice screens should be removed and thoroughly cleaned as often as the paint formulation and workload demand In extreme cases it may be desirable to add an additional suitable input filter 50 75 micron on the upstream or input side of the regulator Whenever the unit is shut down for an prolonged period such as a weekend or longer the system should be thoroughly flushed and the orifice as sembly screens removed and cleaned Good maintenance is essential to safe and pro Ransburg ductive operation Schedules shold be estab lished by the user based on Ransburg supplied information and observation of your production requirements You do not have to maintain all of your equipment only those items that you want to continue to use Tools required 3 8 open end wrench 7 16 open end wrench 9 16 open end wrench Needle nose pliers Large screw driver 5 8 diameter bit X 1 16 thick Refer to Figure 3 to identify the components and proceed
21. ss and equipment should be set up and operated in accordance with NFPA 33 NEC OSHA local country and European Health and Safety Norms Flow Regulator Safety AREA Tells where hazards may occur Spray Area General Use and Maintenance HAZARD Tells what the hazard is Explosion Hazard Improper or inadequate opera tion and maintenance proce dures will cause a fire hazard Protection against inadvertent arcing that is capable of caus ing fire or explosion is lost if any safety interlocks are dis abled during operation Frequent Power Supply or Controller shutdown indicates a problem in the system requir ing correction Improper operation or mainte nance may create a hazard Personnel must be properly trained in the use of this equip ment Ransburg SAFEGUARDS Tells how to avoid the hazard Electrostatic arcing must be prevented Safe sparking distance must be maintained between the parts being coated and the applicator A dis tance of 1 inch for every 10KV of output voltage is required at all times Unless specifically approved for use in hazard ous locations all electrical equipment must be located outside Class or Il Division 1 or 2 hazardous areas in accordance with NFPA 33 Test only in areas free of flammable or combus tible materials The current overload sensitivity if equipped MUST be set as described in the correspond ing section of the equipment manual Protec
22. tion against inadvertent arcing that is capable of causing fire or explosion is lost if the current overload sensitivity is not properly set Fre quent power supply shutdown indicates a prob lem in the system which requires correction Always turn the control panel power off prior to flushing cleaning or working on spray system equipment Before turning high voltage on make sure no objects are within the safe sparking distance Ensure that the control panel is interlocked with the ventilation system and conveyor in accor dance with NFPA 33 EN 50176 Have fire extinguishing equipment readily avail able and tested periodically Personnel must be given training in accordance with the requirements of NFPA 33 EN 60079 0 Instructions and safety precautions must be read and understood prior to using this equip ment Comply with appropriate local state and na tional codes governing ventilation fire protec tion operation maintenance and housekeep ing Reference OSHA NFPA 33 EN Norms and your insurance company requirements AU 81 07 2 Ransburg AREA Tells where hazards may occur Spray Area High Voltage Equipment AU 81 07 2 HAZARD Tells what the hazard is Electrical Discharge There is a high voltage device that can induce an electrical charge on ungrounded objects which is capable of igniting coating materials Inadequate grounding will cause a spark hazard A spark can ignite many c
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