MODEL: 74151 DR-1 FLUID REGULATOR
Contents
1. spring remain in the center of Item 3 lower housing 12 Place Item 3 lower housing on table with bowl facing UP and place diaphragm assembly from step 4 into bowl of Item 3 lower housing with pin of Item 6 lower diaphragm retainer facing DOWN Rotate the diaphragm assembly so that the slot on Item 6 lower retainer is 180 to the outlet port of Item 3 lower housing for cleaner flushing of the regulator assembly 12 DR 1 Fluid Regulator Maintenance Ra nsburg 13 Place Item 2 spacer ring on the top of Item 14 3 Set air regulator to zero Gradually increase fluid center diaphragm with largest opening facing pressure to 80 psi visually checking for leakage DOWN Rotate Item 2 spacer ring without rotat Clean or replace Item 11 needle and seat if leakage ing the diaphragm assembly so that the air pilot at outlet port port of Item 2 spacer ring is 45 to the outlet port of Item 3 lower housing and all the clearance holes are aligned see Figure 1 NOTE gt If water or solvent is used for testing it is normal for minor leakage to occur at the fluid output port due to the low viscosities of these fluids 14 Placeltem 9 upper diaphragm on Item 2 spacer ring and align holes 15 Place Item 1 cap on Item 9 upper diaphragm Align holes and insert Item 4 8 screws 16 Tighten opposing screws alternately to 101bs in 4 Gradually increase air pressure on either of the air ensuring u2. stuck No pilot air Ruptured Item 9 upper diaphragm Ruptured Item 14 center diaphragm Dirtin Item 11 regulating needle seat Pilot air not shut off Broken Item 12 spring Item 4 screws loose Ruptured Item 8 lower diaphragm Item 13 retaining plug loose Loose fluid fitting Item 10 o ring pinched Loose air fitting Item 4 screws loose Ruptured Item 9 upper diaphragm Ruptured Item 14 center diaphragm Incorrect regulator ratio Fluid supply pressure to low Air pilot to low Flush clean Remove and clean or replace Check air pilot signal Rebuild regulator Rebuild regulator Remove and clean or replace Must be replaced as a set see Maintenance section Check signal air supply Replace item 12 spring Tighten per Assembly Procedure in the Maintenance section Rebuild regulator Tighten torque to 25 30 Ibs ft see Maintenance section Tighten Replace Item 10 o ring Tighten Tighten Rebuild regulator Rebuild regulator Refer to Operations section for correct sizing information Increase fluid supply pressure Do not exceed 100 psig see Specifications in the Introduction section Check air pilot signal 14 DR 1 Fluid Regulator Maintenance General Problem Inconsistent Fluid Flow High Fluid Flow Item
3. 4 inch OD Tubing use 70589 05 Fitting 3 8 inch OD Tubing use 70589 10 Fitting 6mm OD Tubing use 70589 06 Fitting 8mm OD Tubing use 70589 11 Fitting 3 8 inch NPSM Hose Connection use 70589 12 Fitting Volume of Paint Held Within Regulator 5 66 LN 9223 00 10 DR 1 Fluid Regulator Introduction Ransburg DR 1 FLOW VS SIGNAL PRESSURE DR 1 FLOW VS SIGNAL PRESSURE Viscosity 40 sec Zahn 2 15ft 1 4 I D tubing 093 orifice FLOA COMIN 32 2 45 S SIGNAL PRESSURE PSI DR 1 FLOW VS SIGNAL PRESSURE Viscosity 25 sec Zahn 2 15ft 1 4 I D tubing 093 orifice 2 2 45 S SIGNAL PRESSURE PSI LN 9223 00 10 DR 1 Fluid Regulator Operation OPERATION The DR 1 Regulator is designed to provide remote control fluid regulation for automatic coating ap plications The regulator features two independently control lable flow pressure ranges from the fluid output port The high flow range port accom modates higher fluid deliveries and minimal color change times The lower flow ranges provide precise fluid delivery control There are seven lower range models available 1 1 1 2 1 3 1 4 1 6 1 8 and 1 10 which can be selected based on the required fluid flow rate Separate pilot signals modulate each of the regu lator stwo diaphragms tocontrolthe amount of paint being delivered from the regulator to the spray appli cator These pilot signals can be controlled manually or automatically with the Adap
4. 74160 00 SERVICE KITS Repair Kit W Solvent Resistant O Rings 73913 00 Repair Kit W Solvent Proof O Rings 73913 01 19 LN 9223 00 10 Ransburg LN 9223 00 10 DR 1 Fluid Regulator Parts Identification NOTES 20 DR 1 Fluid Regulator Warranty Policies 21 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 workmanship or material provided that the equipment has been used and maintained in accordance with Ransburg s writ ten safety and operating instructions and has been used under normal operating conditions Normal wear items are excluded THE USE OF OTHER THAN RANSBURG APPROVED 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 i e guns power supplies control units etc is one 1 year from date of purchase WRAPPING THE AP PLICATOR ASSO CIATED VALVES AND TUBING AND SUPPORTING HARDWAREIN PLASTIC SHRINK WRAP OR ANY OTHER NON APPROVED COVERING WILL VOID THIS WARRANTY Ransburg RANSBURG S ONLY OBLIGATION UNDER THIS WAR RANTY IS TO REPLACE PARTS THAT HAVE FAILED BECAUSE OF FAULTY WORKMANSHIP ORMATER IALS THERE ARE NO IMPLIED WAR RANTIES NOR WAR RANTIES OF EITHER ME
5. 8 lower diaphragm stretched from excessive air pilot signal Ruptured Item 9 upper diaphragm Ruptured Item 14 center diaphragm Inconsistent air pilot Inconsistent fluid supply pressure Incorrect regulator ratio Fluid supply pressure too high Ransburg 1 Rebuild regulator Rebuild regulator Rebuild regulator Check pilot air supply Check fluid supply Referto Operations section for correct sizing information Lower fluid supply pressure LN 9223 00 10 DR 1 Fluid Regulator Maintenance Ransburg NOTES LN 9223 00 10 16 Ransburg PARTS IDENTIFICATION DR 1 Fluid Regulator Parts Identification NI Aldd NS ain NOLLISOd 1934409 JHL NI LON 34v SIMOd 131100 LIINI KINO NOLIYOGT IHYd 404 MAlA IVNOIILO3S SSOMO d01VIN934 ino AIM GALYINSZA NGIA dOL NOIvInS3H NOLLVIN3IMO SNILLIJ NI lOlld ay Me MOTA HEH 140d 1nO ans 40111934 3 St NI Md av MOTA HOIH H NI 101ld aiv MOTA MOT LN 9223 00 10 Figure 2 Regulator Cross Sectional View 17 DR 1 Fluid Regulator Parts Identification Ransburg DR 1 FLUID REGULATOR PARTS LIST Figure s 1 amp 2 DR 1 Regulator Assembly Select Options Below 2 Ratio
6. can rotate at Personnel must stay clear of the bell whenever it is Mechanical speeds up to 55 000 rpm At these rotating speeds the edge of the applicator can easily cut into skin Loosearticles Before touching the bell the turbine air must be shut of clothing canalsobecaughtby the off rotating bell Hazards If the bell has been rotating allow at least two minutes for it to come to a complete stop before touching it LN 9223 00 10 4 DR 1 Fluid Regulator Introduction INTRODUCTION FEATURES Two independently controlled flow pressure ranges High flow range port for higher fluid deliveries Low flow range for more precise control over lower fluid deliveries Interchangeable low flow ratios 1 1 1 2 1 3 1 4 1 6 1 8 1 10 for precise control Stainless steel and coated wetted parts for decreased color change time Ransburg SPECIFICATIONS Environmental Physical Height 1 7 8 inch 48mm Height W Fittings 2 1 8 inch 54mm Diameter 2 3 4 inch 70mm Diameter W Fittings 3 3 8 inch 86mm Mechanical Air Pressures Variable by Control Manual or Automatic 100 psi 7 bar max Fluid Input 300 psi 20 7 bar max 10 psi minimum above output pressure Fluid Output Variable by Ratio Pneumatic Fluid Connections Air Pilot 10 32 Thread Low amp High Fluid In 1 4 inch NPSM Thread Fluid Out 1 8 inch NPSM Thread 3 16 inch OD Tubing use 70589 04 Fitting 1
7. providea better understanding of the equipment and process resulting in more efficient operation longer trouble free service and faster easier troubleshooting If you do not have the manuals and safety literature for your Ransburg 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 gt This manual MUST be read and thoroughly understood by ALL personnel who operate clean or maintain this equipment Special care should betaken toensure thatthe 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 prior to installing operating and or servicing this equipment A WARNING gt The hazards shown on the following page may occur during the normal use of this equipment Please read the hazard chart beginning on page 2 LN 9223 00 10 Ransburg AREA Tells where hazards may occur LN 9223 00 10 HAZARD Tells what the hazard is Fire Hazard Improper or inadequate operation and maintenance procedures will cause a fire hazard Protection against inadvertent arc ing that is capable of causing fire or explosion is lost if any safety inter locks are disabled during operation Frequent power
8. suitable cleaning solvent DO NOT use solvent on the diaphragms or o rings Care MUST be taken while cleaning the coated parts of the regulator to prevent scratching LN 9223 00 10 10 NI Aldd NS aimi Ransburg NOUISOd 1933309 201 NI LON 34v SINOd 131100 3 LINI KINO NOLIYOOT Lid 404 MIA IWNOILOSS SSOa0 doly IMIodd kenen ina IT 03111934 AJA dOl 3OIvIDn933 NOLLVINGIMHO ONILIIA NI Joe ay MOTA HOH 140d Ino dns 30110938 3 SP NI 19114 aly MOTA HIH 3 NI 1Glld aly MOTI MOT DR 1 Fluid Regulator Maintenance LN 9223 00 10 Figure 1 Regulator Cross Sectional View 11 Ransburg ASSEMBLY PROCEDURES Refer to Figure 1 1 Inspect Item 11 regulating needle and seat for damage If either of these items are damaged or the mating surfaces are scratched both items should be replaced as a matching set 2 Discardthe following items andreplacethem with the new item from the 73913 00 or 73913 01 repair kit Item 16 Screw Item 10 O Ring Item 9 Upper Diaphragm Item 14 Center Diaphragm Item 8 Lower Diaphragm 3 Place Item 10 o ring in the slot on Item 6 lower diaphragm retainer 4 Place Item 8 lower diaphragm on Item 6 lower diaphragm retainer with the side of the diaph
9. supply shutdown indicates a problem in the system requiring correction DR 1 Fluid Regulator Safety SAFEGUARDS Tells how to avoid the hazard Fire extinguishing equipment must be present in the spray area and tested periodically Spray areas must be kept clean to prevent the accumula tion 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 maintenance When using solvents for cleaning 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 re quired by NFPA 33 OSHA and local codes In addition ventilation must be maintained during cleaning opera tions using flammable or combustible solvents Electrostatic arcing must be prevented 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 unauthorized equip ment 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 disabled Never use equipment intended for use in waterborne installations to spray solvent based materials The paint process an
10. the existing ratio spacer ring and upper retainer with the desired ratio ratio designation is etched on the side WARNING gt NEVER wrap the applicator associated valves and tubing and supporting hardware in plastic to keep it clean A surface charge may build up on the plastic surface and discharge to the nearest grounded object Efficiency of the applicator will also be reduced and dam age or failure of the applicator components may occur WRAPPING THESE COMPONENTS IN PLASTIC WILL VOID WARRANTY LN 9223 00 10 DR 1 Fluid Regulator Introduction Ransburg NOTES LN 9223 00 10 DR 1 Fluid Regulator Maintenance MAINTENANCE TOOLS REQUIRED 3 8 7 16 7 8 and 15 16 Open End Wrenches 5 32 Allen Head Wrench Adjustable Wrench e Screwdriver Repair Kit 73913 00 or 73913 01 PRELIMINARY PROCEDURES Prior to removing the regulator for service or repair perform the following 1 Ifpossible flush theregulator with suitable clean ing solvent 2 Turn the fluid and air OFF to the regulator and disconnect the air and fluid lines from the regula tor 3 Remove the regulator for service Ransburg DISASSEMBLY PROCEDURES Refer to Figure 1 NOTE Unless replacing Item 1 cap and or Item 2 spacer ring it is NOT necessary to remove Item 18 air fitting and Item 15 gas ket gt Item 11 regulating needle and seat is a matching set with matching serial numbers Ca
11. to change without notice 01 13 Q E
12. 1 1 Ratio 1 2 Ratio 1 3 Ratio 1 4 Ratio 1 6 Ratio 1 8 Ratio 1 10 Spacer Ring For Ratio 1 1 Ratio 1 2 Ratio 1 3 Ratio 1 4 Ratio 1 6 Ratio 1 8 Ratio 1 10 74151 11 74151 01 74151 06 74151 02 74151 03 74151 04 74151 05 74153 11 74153 01 74153 06 74153 02 74153 03 74153 04 74153 05 74152 00 AI Select Options Below 1 1 74154 Screw Socket Head Cap 8212 28F Select Options Below i Ratio 1 10 Diaphragm Retainer Lower 74156 00 74155 00 75374 01 75374 06 75374 02 75374 03 74155 00 74155 01 Diaphragm Retainer Center 74231 00 Diaphragm Lower 74273 00 Diaphragm Upper 74157 03 10 O Ring 489 ID x 070 c s Solvent Resistant 489 ID x 070 c s Solvent Proof Needle amp Seat Regulating 74160 00 5 Upper Diaphragm Retainer For Ratio 1 1 Ratio 1 2 Ratio 1 3 Ratio 1 4 Ratio 1 6 Ratio 1 8 6 Select Options Below 7554 11 79001 08 Optional 7416100 Retaining Plug 74162 00 Diaphragm Center 74157 04 7892 12 Screw Pan Head 74183 20C Paint Fitting not included For U 7 3 16 OD Tubing 1 4 OD Tubing 3 8 OD Tubing 6mm OD Tubing Select Options Below 70589 04 70589 05 70589 10 70589 06 8mm OD Tubing 70589 11 3 8 NPSM Hose Connection 70589 12 Parts contained in Repair Kit LN 9223 00 10 18 DR 1 Fluid Regulator Parts Identification Ra nsburg RECOMMENDED SPARE PARTS Diaphragm Retainer Lower 74156 00 Needle and Seat Regulating
13. Follow the requirements of the Material Safety Data inhaled or if there is contact with Sheet supplied by coating material manufacturer the skin Adequate exhaust must be provided to keep the airfree of accumulations of toxic materials Use a mask or respirator whenever there is a chance of inhaling sprayed materials The mask must be compat ible with the material being sprayed and its concentra tion Equipment must be as prescribed by an industrial hygienist or safety expert and be NIOSH approved Spray Area This is a high voltage device that Parts being sprayed must be supported on conveyors High Voltage can produce electrical arcs capable or hangers and be grounded The resistance between Equipment of igniting coating materials the part and ground must not exceed 1 megohm Reference NFPA 33 Asafe distance must be maintained between the parts being coated andthe atomizer bell A distance ofatleast 1 inch for each 10 kV of power supply output voltage is required at all times Parts must be supported so that they will not swing and reduce the clearance specified above Allelectrically conductive objects inthe spray area with the exception of those objects required by the process to be at high voltage must be grounded Unless specifically approved for use in hazardous loca tions the power supply and other electrical equipment must not be used in Class I Division 1 or 2 locations Personnel Safety The bell atomizer
14. RCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE RANSBURG ASSUMES NO LIABILITY FOR INJURY 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 OTHERS EXCLUSIONS If in Ransburg s opinion the warranty item in question or otheritems 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 purchaser therefore will assume all responsibility for any cost of repair or replacement and service related costs if applicable LN 9223 00 10 MANUAL CHANGE SUMMARY This manual was published to replace Service Manual LN 9223 00 9 DR 1 Fluid Regulator to make the following changes 1 Change logo 22 Service Manual Price 20 00 U S Manufacturing 1910 North Wayne Street Angola Indiana 46703 9100 Telephone 260 665 8800 Fax 260 665 8516 Technical Service Assistance Automotive Assembly and Tier I Telephone 800 626 3565 Fax 419 470 2040 Industrial Systems Telephone 800 233 3366 Fax 419 470 2071 Ransburg Guns Telephone 800 233 3366 Fax 419 470 2071 www ransburg com Technical Support Representative will direct you to the appropriate telephone number for ordering Spare Parts R Form No LN 9223 00 10 2013 Ransburg All rights reserved ISO 9001 E E Litho in U S A Models and specifications subject
15. SERVICE MANUAL Ransburg gt Replaces LN 9223 00 9 January 2013 DR 1 FLUID REGULATOR de zr Ha A L ai E pe Gast WE SE KS i A MODEL 74151 IMPORTANT Before using this equipment carefully read SAFETY PRECAUTIONS starting on page 1 and all instructions in this manual Keep this Service Manual for future reference Service Manual Price 20 00 U S Ransburg NOTE This manual has been changed from revision LN 9223 00 9 to revision LN 9223 00 10 Reasons for this change are noted under Manual Change Summary inside the back cover of this manual DR 1 Fluid Regulator Contents Ransburg ABBE CONTENTS SAFETY SAFETY PRECAUTIONS Rezo ent sache eden 03 AO d p dans HAZARDS SAFEGUARDS 2 centenaire INTRODUCTION FEATURES nt WA dado der la t d roce Aa Cte ia SPECIFICA TON KE DRETIFLOVV VS SIGNAL PRESSURE ada eh ua na ca a h a oa dt SEA OPERATION OPERATIONS aaa a dea aa ata s bata aaa c a MAINTENANCE PAGE 1 4 7 8 9 16 TOOLS REQUIRED cs scai PRELIMINARY PROCEDURES tee osh ia di naa O DISASSEMBLY PROCEDURES ses REGULATOR CROSS SECTIONAL VIEW sans sentis ASSEMBLY PROCEDURES tnt aa aa iat pt AE aaa TEST PROCEDURES sa net NE na d d WRO ada i aa a a RENE PREVENTIVE MAINTENANCE essences TROUBLESHOOTING GUIDE zzo nn O ya 9 10 11 12 13 13 13 14 15 PARTS IDENTIFICATION REGULATOR CROSS SECTIONAL VIEW PARTS LI
16. ST uns RECOMMENDED SPARE PARTS nantes ei SERVICE KIT S ss ia citata da o it a iti a Eeer 17 20 17 18 19 19 WARRANTY POLICIES 21 LIMITED WARRANT Yann 21 DR 1 Fluid Regulator Safety SAFETY SAFETY PRECAUTIONS Before operating maintaining or servicing any Rans burg coating system read and understand all ofthe technical and safety literature for your Ransburg products This manual contains information that is important for you to know and understand This information relatesto USERSAFETY and PREVENTING EQUIPMENT PROBLEMS To help you recognize this information we use the following symbols Please pay particular attention to these sections AWARNING states information to alert you to a situ ation 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 procedure 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 drawings and appropriate Ransburg equipment manuals to reconcile such differences Careful study and continued use of this manual will
17. d equipment should be set up and operated in accordance with NFPA 33 NEC and OSHA requirements DR 1 Fluid Regulator Safety AREA Tells where hazards may occur General Use and Maintenance Electrical Equipment Explosion Hazard Incompatible Materials HAZARD Tells what the hazard is Improper operation or maintenance may create a hazard Personnel must be properly trained in the use of this equipment High voltage equipment is utilized Arcing in areas of flammable or combustible materials may occur Personnel are exposed to high voltage during operation and maintenance Protection against inadvertent arc ing that may cause afire or explosion is lost if safety circuits are disabled during operation Frequent power supply shutdown indicates a problem in the system which requires correction An electrical arc can ignite coating materials and cause a fire or explo sion Halogenated hydrocarbon solvents for example methylene chloride and 1 1 1 Trichloroethane are not chemically compatible with the aluminum that might be used in many system components The chemical reaction caused by these solvents reacting with aluminum can become violent and lead to an equipment explosion Ransburg SAFEGUARDS Tells how to avoid the hazard Personnel must be given training in accordance with the requirements of NFPA 33 Instructions and safety precautions must be read and understood prior to using this
18. equipment Comply with appropriate local state and national codes governing ventilation fire protection operation main tenance and housekeeping Reference OSHA NFPA 33 and your insurance company requirements The power supply optional remove control cabinet and all other electrical equipment must be located outside Class I or Il Division 1 and 2 hazardous areas Refer to NFPA 33 Turn the power supply OFF before working on the equipment Test only in areas free of flammable or combustible material Testing may require high voltage to be on but only as instructed Production should never be done with the safety cir cuits disabled Beforeturningthe high voltage on make sureno objects are within the sparking distance Aluminum is widely used in other spray application equipment such as material pumps regulators trig gering 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 Ifin doubt as to whether or nota coating or cleaning material is com patible contact your material supplier Any other type of solvent may be used with aluminum equipment LN 9223 00 10 Ra nsburg DR 1 Fluid Regulator Safety AREA HAZARD SAFEGUARDS Tells where hazards Tells what the hazard is Tells how to avoid the hazard may occur Toxic Substances Certain material may be harmful if
19. niform sealing of the diaphragms Then lines and visually observe a gradual increase in fluid follow by tightening each screw ina circle patternto flow If regulator does not perform satisfactorily 20 Ibs in inspect components for damage and replace where required 17 If Item 15 air fittings were removed from either Item 2 spacer ring or Item 1 cap screw them along with Item 18 gasket back onto these items PREVENTIVE MAINTENANCE CAUTION 1 Rebuild with 73913 Repair Kit and 74160 00 needle and seat at 6 months minimum 12 months gt DO NOT overtighten the air fittings Over maximum tightening the fittings may cause the stem of the fitting to snap off 2 Re torque eight 8 screws at the following inter vals 2 days after rebuild TEST PROCEDURES Immediately before installation 6month intervals Refer to Figure 1 After repair is complete test the regulator in the fol lowing manner 1 Set air and fluid regulators to zero and attach air and fluid lines to the regulator 2 Gradually increase air pressure to the regulator to 80 psi visually checking for leaks Tighten Item 4 screws if leakage occurs 13 LN 9223 00 10 DR 1 Fluid Regulator Maintenance Ransburg TROUBLESHOOTING GUIDE No Fluid Flow Fluid Will Not Shut Off Paint Leakage Air Leakage Low Fluid Flow Continued on next page LN 9223 00 10 Plugged fluid inlet Item 11 regulating needle and seat
20. ragm contacting the retainers o ring side 5 Stack the following parts on Item 8 lower dia phragm in the following order Item 7 Center Diaphragm Retainer Item 18 Bleed Spacer Item 14 Center Diaphragm Item 5 Upper Diaphragm Retainer Item 16 Screw 6 Ensure that clearance holes in Items 8 and 14 diaphragms and Item 17 bleed spacer are aligned properly and tighten Item 16 screw Use Loctite 222 on screw threads Set the diaphragm assembly aside 7 Placeltem 3 lowerhousing on table with bottom threaded opening facing UP CAUTION gt DO NOT scratch the coating LN 9223 00 10 DR 1 Fluid Regulator Maintenance 8 Insert Item 10 o ring onto Item 11 regulating seat and then insert the assembly into Item 3 lower housing The beveled side of the regulating seat must be UP NOTE gt Apply a small amount of non silicone lu bricant to Item 10 o ring prior to assembly 9 Placeltem 11 regulating needle into Item 3 lower housing with the ball endagainst Item 11 regulating seat CAUTION gt Verify regulator seat and needle have matching serial numbers 10 Place Item 10 o ring on Item 13 retaining plug 11 Place Item 12 spring into Item 3 lower housing over Item 11 regulating needle and thread Item 13 retaining plug into Item 3 lower housing Tighten Item 13 retaining plug to 25 30 Ibs ft ensuring that Item 11 regulating needle and Item 12
21. re must be taken to not use needles and seats with non matching serial numbers as fluid leakage may occur If either compo nent needs to be replaced a new matched set must be used 1 Remove Item 4 8 screws holding the regulator assembly together with the 5 32 Allen wrench 2 Remove Item 1 cap Item 9 upper diaphragm Item 2 spacer ring and Item 3 lower housing as sembly This will leave the diaphragm assembly Item 5 upper diaphragm retainer Item 14 center diaphragm Item 7 centerdiaphragm retainer Item 17 bleed spacer Item 8 lower diaphragm Item 10 o ring and Item 6 lower diaphragm retainer held together by Item 16 screw When separating parts it may be neces sary to use a small screwdriver Care should be taken to NOT damage the components Dam age of these parts may cause leakage LN 9223 00 10 Ra nsburg DR 1 Fluid Regulator Maintenance 3 With a screwdriver remove Item 16 screw from NOTES the diaphragm assembly 4 Separate Item 6 lower diaphragm retainer Item 10 o ring Item 8 lower diaphragm Item 17 bleed spacer Item 14 center diaphragm and Item 5 up per diaphragm retainer 5 With the 7 8 and the 15 16 open end wrenches remove Item 13 retaining plug Item 12 spring and Item 11 regulating needle from Item 3 lower housing 6 Remove Item 11 regulating seat and Item 10 o ring from the lower housing assembly 7 Cleanall metal parts with
22. taFlow 5000 closed loop flow control system Because of the regulator s dual range capabilities it provides the user flexibility for selecting either the high flow range or the low flow range Different coating material viscosities and quick color change requirements may necessitate the use of both ranges If color change time is not a factor or if material vis cosity remains relatively constant either port may be used depending on flow rate requirements All regulators regardless of ratio designation have the high flow port The low flow i e 1 2 1 4 etc port provides a lower more precise flow response curve Fluid output as a result is less likely to be affected by pilot signal errors An increase in the ratio i e from 1 2 to 1 4 provides a lower slope in the flow air signal pressure curve but amore precise response curve This same increase in ratio however will reduce flow capacity and should be considered when selecting the proper regulator ratio Ransburg Thefollowing factors mustthen be considered when selecting the regulator ratio required for proper fluid control e Fluid tubing inside diameter ID and length Fluid feed tube inside diameter ID and length e Fluid viscosity Fluid input pressures Preliminary testing will determine which regulator ratio should be used If conditions change after installation which require a different low flow ratio this regulator can be easily altered by replacing
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