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M90 HANDGUNS MODELS:

1. 2 7 SERIAL NO N S M909 J 4 a 11 16 Figure 1 Trigger Nut Adjustment for Cascade Classic Guns Attaching Barrel to Handle 1 If the barrel retaining nut has been re moved it will have to be reinstalled be fore the barrel can be attached to the handle 22 Ransburg Place the retaining nut over the rear of the barrel and slide it forward as far as possible Spread the retaining ring and place it onto the barrel Starting at one end lift the retaining ring over the captive ridge and spiral into place Insert the new Teflon seal into the fluid inlet chamber in the barrel or insert the new Teflon seal onto the tip of the fluid tube assembly Place the large hole of the gasket over the needle shaft and onto boss of the barrel packing chamber Cascade Handgun While holding the barrel with the air nozzle pointing down ward install the needle shaft spring into the spring retainer Align the electrical connectors of the barrel with the mating holes in the hook transformer assembly and the needle shaft spring with the spring recess in the handle While slid ing the barrel into the handle cavity align the fluid tube subassembly with the fluid inlet camber in the barrel and seat the barrel against the gasket Ensure the needle shaft spring did seat into the handl
2. 41 WARRANTY POLICIES 42 LIMITED 00 42 APPENDIX 43 46 PAINT AND SOLVENT SPECIFICATIONS 43 VISCOSITY CONVERSION 44 VOLUMETRIC CONTENT OF OR 22224 e 46 AH 99 01 3 Ransburg SAFETY SAFETY PRECAUTIONS Before operating maintaining or servicing any ITVV Ransburg electrostatic coating system read and understand all of the technical and safety literature for your ITVV Ransburg prod ucts This manual contains information that is important for you to know and understand This information relates to USER SAFETY and PRE VENTING EQUIPMENT PROBLEMS To help you recognize this information we use the fol lowing 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 installa
3. ISIS SA IS 5 18 l 7 7 7 7 7 els 4 comparisons as mms with existing information Comparisons are made with a material having a specific gravity of 1 0 05 2004 Illinois Tool Works Inc All rights reserved 45 AH 99 01 3 M90 Handguns Appendix Ransburg VOLUMETRIC CONTENT OF HOSE OR TUBE English Units cc ft Section inches n 603 ITEM 4 fl oz 81 OZ 121 OZ 204 OZ 4414 OZ 9 fl 18 fl 02 28 fl 02 46 fl 02 92 fl 02 1 61 3 3 fl oz 4 9 fl oz 8 2 fl oz 16 3 fl oz 25 fl OZ 5414 OZ 761 OZ 12 7 fl OZ 25 5 fl OZ III EE 37 fl OZ 731 OZ 110 fl OZ 184 fl OZ 367 fl OZ 8 6 5 051 102 gal 153 gal 255 gal 510 gal 6 5 fl 13 1 fl 19 6 fl 32 6 fl oz 65 3 fl oz VOLUMETRIC CONTENT OF HOSE OH TUBE Metric Units LD Cross cc m Section 5 emp som 75m 05 2004 Illinois Tool Works Inc All rights reserved 46 AH 99 01 3 Ransburg MANUAL CHANGE SUMMARY This manual vvas published to replace Service Manual AH 99 01 2 M90 Hand Guns to make the following changes 1 Safety section Entire section revised 2 Introduction section revised Ransburg Electrostatic Mix Process 3 Installation sectio
4. 1 Discard both o rings They should be replaced with new ones 2 Clean the parts in a suitable solvent 3 Check all components for damage and also check the needle for wear Re place any damaged or worn parts Reassembly 1 light coating of dielectric grease to a new o ring and slide it over the threads of the retaining nut until it sets into the thread relief 2 Apply a light coating of dielectric grease to the control knob threads and screw it into the retaining nut to the closed posi tion or until it bottoms 3 Place the first washer a new Teflon o ring and then a second washer onto the control knob stem Slide the compo nents into the retaining nut bore 4 Place the spring over the control knob stem and into the retaining nut bore 5 Secure the control knob in vise with the control knob stem pointing upwards Apply a small amount of medium strength thread locker to the threads of the control knob stem 6 Screw the needle onto the control knob stem and with a 1 4 inch wrench tighten the needle Reinstall 1 Turn the control knob to the open posi tion screwed fully out counterclock wise 24 Ransburg 2 Screw the retaining nut into the handle by hand Using a 9 16 inch open end wrench secure the retaining nut into the handle 3 Screw the control knob to its closed po sition AIR VALVE Removal de Remove the trigger and ground spring from the handle refer to
5. 01 for 005 spacing or 02 for 009 spacing Disposable Gun Cover GC 100 K5 Figure 6 Recommended Spare Parts M90 Cascade Handgun 77073 MISC PARTS M90 CASCADE HANDGUN 77073 ars Accessories LSCH0009 00 GC 100 K5 77696 00 High Pressure 74147 00 20404 00 1 4 NPSM M Figure 7 Misc Parts M90 Cascade Handgun 77073 Disconnects AH 99 01 3 7969 10 7969 11 Sealant Pipe Dope Loctite Sealant Low Strength Loctite Dielectric Grease 1 oz Disposable Gun Covers Kit for 76875 xx Solvent Proof O Ring Includes 1 79001 09 O Ring 1 79001 07 O Ring 3 79001 06 O Rings and 1 77697 00 Instruction Sheet 1 4 NPSM F 37 38 M90 Parts Identification 12s 7 gu T d 1 1 Figure 8 M90 Classic Handgun 77132 AH 99 01 3 Ransburg Ransburg M90 Handguns Parts Identification M90 CLASSIC HANDGUN 77132 PARTS LIST Figure 8 Desorption 77095 00 Nut Nozzle 78140 00 LSOR0005 11 O Ring Solvent Proof 7334400 9 7334 amp 00 36 e a Seal Teflon Fluid Tube 7554 11 O Ring Solvent Resistant 3 Required See Parts List Bullet Definition Table on page 40 Continued on Next Page AH 99 01 3 39 M90 Handguns Parts Identification Ransburg M90 CLASSIC HANDGUN PARTS LIST Fig
6. 34 M90 Handguns Parts Identification PARTS IDENTIFICATION del 16 gi f f 2 gt Figure 5 90 Handgun 77073 99 01 3 Ransburg Ransburg M90 Handguns Parts Identification M90 CASCADE HANDGUN 77073 PARTS LIST Figure 5 ms Pane 77095 00 Nut Nozzle 78140 00 LSOR0005 11 O Ring Solvent Proof ae eee Ce 7834400 9 7334500 A A 27 Hook Transformer Assembly w ON OFF Switch Hook Transformer Assembly w o ON OFF Switch Ei ell C e I Seal Teflon Fluid Tube O Ring Solvent Resistant 2 Required See Parts List Bullet Definition Table on page 36 Continued on Next Page AH 99 01 3 35 M90 Handguns Parts Identification Ransburg M90 CASCADE HANDGUN 77073 PARTS LIST Figure 5 Description Fitting Air Line 54 Low Voltage Cable Assembly For Standard 9040 MGS Low Voltage Cable Assembly For Aviator 56 59 O Ring Solvent Resistant 3 Required 60 72209 05 _________ O Ring Solvent Resistant 2 Required 61 Filter Fluid 005 Spacing Standard Filter Fluid 009 Spacing 66 19749 00 Muit Purpose Wrench Not Shown Sa e 68 7413300 Ball Seat Wrenches Not Shown 69 76428 00 Nozzle Wrench Not Shown See Parts List Bullet Definition Table on page 36 PARTS LIST BULLET DE
7. If not check for one of the following Gasket has been left out Loose retaining nut Loose valve seat body Improper setting of the trigger adjust ment nut and spring retainer Place the grounding spring over the air valve stem Pull the grounding spring back and slide the trigger into position Secure the trigger with the two shoulder screws M90 Handguns Maintenance FAN AIR VALVE Removal 2 Turn control knob to the open position screwed fully out counterclockwise With a 9 16 inch open end wrench un screw the retaining nut and remove the entire valve assembly Disassembly 1 Turn the control knob clockwise to the closed position or until it bottoms on the retaining nut Secure the control knob in a vise do not over tighten it could break with the needle pointing upward With a 1 4 inch wrench on the wrench flats of the needle unscrew the needle and remove it from the control knob stem With the control knob turned fully into the retaining nut the tension on the spring is relieved If itis not the needle could be projected from the control knob stem and cause personal injury Remove the spring from the control knob stem Unscrew the control knob and pull it out of the retaining nut With a small rod 1 4 inch diameter push the two washers and Teflon o ring out of the retaining nut 23 M90 Cleaning and Inspection
8. NOTE Chart provides resistance and control information that we feel is necessary when using ITW Ransburg equipment AH 99 01 3 43 Ransburg M90 Handguns Appendix gt lt I 2 9 D gt 2 Qu Q EN o lt c 10 a lola 41914141515 IS S 5 8 818 o v dno ual d 4 8 g i dng uewsyeig n sieeS o o o olo i2 S NSS 98 5 5 SE 2 8 dno 4 tt e 4eusi4 ni OL 1 8 18 als 8 9 efhs e x 0 a lt lt 99 01 3 44 M90 Handguns Appendix Ransburg S N 2 lt I 2 2 Qo gt 2 o gt Q 2 y dno uewsyeig NSS osiodijue5 18 18 2 2 2 8 18 1818 181 2 8
9. Trigger in the Maintenance section 2 With a standard blade screvvdriver re move the air valve cap from the back of thehandle 3 Remove the compression spring from the back of the air valve rod assembly 4 From the front of the handle push the air valve rod assembly rearward until it can be removed by hand from the back of the handle Do not use any tools to grip the air valve for it can damage its seal ing surface NOTE gt A rod 1 8 inch diameter or smaller can be used to push the assembly out the back of the handle until it can be gripped with the fingers 5 With a 3 8 inch wrench completely re move the retaining nut with the internal seal Cleaning and Inspection 1 Remove the o ring from the air cap 2 Clean all components with a suitable solvent AH 99 01 3 Ransburg 3 Inspect the air valve rod assembly for wear and or damage If any wear 15 found on the air valve rod assembly it and the u cup seal must be replaced seal internal to the air valve retain ing nut cannot be reused once it has been removed from its holder 4 Inspect all other parts for damage Re place any damaged components 5 Inspect the brass seat in the handle for damage or wear If damaged or worn the handle must be replaced Reinstall 1 Install the new spring loaded u cup seal spring side cup portion outward into the air valve retaining nut Apply a coat ing of T
10. 86 4 LOW ETHYLBENZENE Aromatic Hydrocarbons 100 41 4 HIGH 1 PROPANOL n Propyl Alcohol Alcohols 71 23 8 LOW 2 BUTANOL sec Butyl Alcohol Alcohols LOW XYLOL Xylene Aromatic Hydrocarbons HIGH AMYLACETATE Esters MEDIUM 2 METHYLPROPANOL iso Butyl Alcohol Alcohols LOW METHYL AMYL ACETATE Esters LOW 5 METHYL 2 HEXANONE MIAK Ketones MEDIUM 1 BUTANOL n Butyl Alcohol Alcohols LOW 2 ETHOXYETHANOL Glycol Ethers LOW 2 HEPTANONE MAK Ketones MEDIUM CYCLOHEXANONE Ketones 108 94 1 MEDIUM AROMATIC 100 SC 100 Aromatic Hydrocarbons HIGH DIISOBUTYL KETONE DIBK Ketones 108 83 8 MEDIUM 1 PENTANOL Amyl Alcohol Alcohols 71 41 0 LOW DIACETONE ALCOHOL Ketones 123 42 2 LOW 2 BUTOXYETHANOL Butyl Cellosolve Glycol Ethers 111 76 2 LOW CYCLOHEXANOL Alcohols 108 93 0 LOW AROMATIC 150 SC 150 Aromatic Hydrocarbons HIGH AROMATIC 200 CAS Number Chemical Abstract Service Number Electrical Resistance using the ITW Ransburg Meter Solvent Base Contguranon Dal Information Obtained From http solvdb ncms org t The lowest temperature at which a volatile fluid will ignite Aromatic Hydrocarbons HIGH 05 2004 Illinois Tool Works Inc All rights reserved Evaporation Rate is Based Upon Butyl Acetate Having a Rate of 1 0
11. Clean all insulating surfaces in the system Remove paint accumulation from the exterior of the gun and low voltage or high voltage cable with a solvent dampened cloth NEVER soak or submerge the electri cal components of the gun i e cascade barrel assembly hook transformer assem bly or cable assembly Damage and failure may occur Daily or at start of each shift Verify that ALL solvent safety containers are grounded Check within 20 feet of the point of operation of the gun and remove or ground ALL loose or ungrounded objects Inspect workholders for accumulated coating materials and remove such accumulations Check that atomizer assembly is clean and undamaged Check the gun electrode for damage Clean the fluid filter if necessary Turn the control unit power ON Its green pilot should light or Aviator will be audible Run a voltage output test 15 M90 Maintenance Gun High Voltage Output Test Cascade Classic Use high voltage probe assembly 76652 01 NOTE For Cascade Guns Prior to performing the voltage output test on the gun test the control unit using tester LTST5000 00 1 Set the meter dial to the kV scale Plug the high voltage probe into the side of the meter 2 Attach the ground clamp to a proven earth ground AWARNING Injury to personnel and damage to equipment is probable if the ground clip is NOT ATTACHED This
12. fluid from one con tainer to another both containers MUST be properly connected to a proven ground first and then to each other Personnel executing such a transfer MUST also be grounded A chemical reaction resulting in the possibility of a pressure EXPLOSION may occur if 1 1 1 Trichloroethane Methylene Chloride or other Halogenated Hydrocarbon Solvents are used in PRESSURIZABLE FLUID SYSTEMS having ALUMINUM or GALVANIZED WET TED PARTS Such an explosion could cause DEATH serious BODILY INJURY and or substantial property damage Consult your fluid supplier to determine the chemical con tent of your solvents See SL 81 05 HHC Explosion Hazard Danger Sign and SL 81 08 Halogenated Hydrocarbon Safety Bulletin 12 Ransburg Never flush the gun with solvent while electro statics are on Failure to turn off electrostatics while flushing may cause an IGNITION HAZ ARD THE RIGHT TECHNIQUE Following are some basic electrostatic spray techniques Depending on the spray target it may be necessary to adjust the technique Spray Width Determination The size of the object being coated is the deter mining factor in adjusting the spray pattern The larger the object the larger the required pattern width This is accomplished by fluid nozzle se lection Air adjustment is used to remove tails from the spray pattern NOTE The degree of atomization is depen dent on the viscosity of the paint formula tion
13. lines will not need to be flushed as soon after shutdown as with fast set tling solids The paint being used and the length of downtime will determine the need for flushing Metallic paint and primer will require flushing sooner than other types of coating material gt the coating material is fast settling and the fluid lines are not flushed soon enough the internal passages may be come clogged This can lead to excessive downtime for repair Weekly Check the entire system for damage leaks and paint accumulation Clean the atomizer assembly AH 99 01 3 Ransburg HANDGUN ASSEMBLY CLEANING PROCEDURE Routine Cleaning Equipment Needed An appropriate solvent Solvent safety container grounded Small soft bristled brush For efficient electrostatic operation keep the gun s exterior and low voltage high voltage cable free of paint accumulation This prevents the loss of voltage to ground with a resultant re duction in transfer efficiency Before cleaning the nozzle assembly turn the control unit OFF and flush the fluid line with a compatible solvent until clean Turn the paint and air supplies OFF Trigger the gun to relieve both fluid and air pressures AWARNING gt Ensure supply pressures have been bled to zero prior to servicing the gun Failure to do so may cause personal injury gt the fluid nozzle is completely clogged triggering the gun will not release the pressure C
14. not ignore them Should you experience any such symptoms see a physician immediately Other early symptoms may include vague discomfort in the hand loss of manual dexterity and nonspecific pain in the arm Ignoring early symptoms and con tinued repetitive use of the arm wrist and hand can lead to serious disability Never let any part of the body come in direct con tact with the fluid stream exiting from the nozzle If fluid leaks occur in the gun or in the fluid delivery components depressurize fluid system before ser vicing Never aimthe applicator at any part ofthe body under any circumstances If you are injured by high pressure fluid injection immediate medical treatment must be sought AH 99 01 3 Ransburg M90 Handguns Safety NOTES AH 99 01 3 7 M90 Handguns Introduction INTRODUCTION GENERAL DESCRIPTION The Ransburg Electrostatic Mix Process This is a combined air airless method for elec trostatically applying coatings to objects The M90 system applies a high voltage DC charge to the applicator electrode creating an electro static field between the electrode and the grounded target The target is electrically grounded through its support which may be ei ther stationary or moving A regulated high pressure fluid system delivers coating material to the fluid nozzle and is atom ized by passing through an orifice under pres sure The atomized spray particles become electrically charged under
15. step MUST be accomplished before voltage is applied 3 Make sure all grounded objects are at least 2 feet away 4 Line up the hole in the test probe and the electrode Slide the test probe straight over the electrode wire of the gun 5 Holding the metal portion of the high voltage probe in your hand trigger the gun so voltage exists at the electrode AWARNING gt To provide proper equipment to operator ground the conductive handle of the probe MUST be held in the bare hand of the operator To avoid a shock hazard the meter should NEVER be disconnected from the probe during high voltage contact 6 Read the voltage displayed on the meter 7 Turn the voltage to the gun OFF and pull the test probe straight off the elec trode 16 Ransburg Shutdown or at end of shift 1 Turn the control unit power OFF Turn OFF supply air to AVIATOR generator 2 Turn the paint supply OFF 3 Turn the shaping air supply OFF 4 Wipe the gun cable and hoses with a rag and a suitable cleaning solvent 5 Flush the fluid lines and bleed the fluid pressure to zero and al lovv the solvent to remain in the lines see Flushing Procedures in the Main tenance section 6 Set the trigger stop lever NOTE gt If production downtime is to be short the fluid lines may not require flushing de pending on the coating material being used If the solids in the coating settle slowly the
16. swivel fitting and tighten using a 3 4 inch open end wrench Tighten the set screw using a 3 32 inch Allen wrench Fluid Tube Assembly iby Install a new Teflon seal on the tip of the fluid tube subassembly and insert that end into the fluid inlet chamber of the barrel Then screw the fluid tube retain ing nut into the barrel and tighten using a 3 4 inch open end wrench Insert the fluid filter into the swivel fitting filter end first Insert the swivel fitting into the hose bracket 29 M90 Screv the filter retaining nut onto the swivel fitting and tighten using a 3 4 inch open end wrench Tighten the set screw using a 3 32 inch Allen wrench Fluid Line Removal 1 Disconnect the whip hose from the swivel fitting the fluid hose from the paint supply Fluid Line Installation 1 Connect the fluid hose to the paint sup Connect the whip hose to the swivel fit ting Air Line Removal 1 Disconnect the air hose assembly from the air fitting using appropriate wrenches Disconnect the air hose assembly from the factory air line regulator Air Line Installation 1 Connect the air hose assembly to the factory air line regulator Connect the air hose assembly to the air fitting using appropriate wrenches To Return the Gun to the Work Site 1 2 30 Attach the air hose assembly to gun air inletfitting Att
17. the applied fluid pressure and nozzle selection Gun to Target Distance The distance between the gun and the target influences the appearance of the final finish of the object If the gun is held too close under 4 inches runs and sags with excessive bounce back may occur If the gun is held too far from the object the electrostatic attraction is de creased Normally the best spacing between gun and target is in the 6 to 12 inch area AH 99 01 3 Ransburg object being coated is maintained at ground potential The spray gun opera tor is also grounded therefore the opera tor has as much attraction for the electro static paint as the object To prevent wrap back always keep the gun nozzle closer to the target than to the operator Overlap For the best hiding and uniformity of film thick ness the stroke overlap should be approxi mately 50 There should be some overlap at edges of the part to increase edge coverage Overlap requirements may vary widely with dif ferent paint formulations and different composi tions of objects being coated Triggering Gun triggering ON OFF depends largely on the desired results the amount of wraparound required edge coating etc If the front and back of the object are being coated proper gun technique can edge coat in some instances without making a specific pass for that purpose Triggering the gun before the target is directly in front of the gun m
18. this charge to bleed off before opening the cabinet door or removing the high voltage cable from the power supply or spray gun M90 Handguns Safety AREA Tells where HAZARD Tells what the hazard is hazards may occur General Use and Maintenance Use of hand tools may cause cumulative trauma disorders CTD s CTD s or musculoskel etal disorders involve damage to the hands wrists elbows shoul ders neck and back Carpal tunnel syndrome and tendinitis such as tennis elbow or rotator cuff syndrome are examples of CTD s CTD s when using hand tools tend to affect the upper extremi ties Factors which may in crease the risk of developing a CTD include 1 Highfrequency ofthe activity 2 Excessive force such as gripping pinching or pressing with the hands and fingers Extreme or awkward finger wrist or arm positions Excessive duration of the activity Tool vibration Repeated pressure ona body part Working in cold temperatures Personnel Safety Fluid Injection Injury Fluid Injection Hazard High Pressure Equipment Ransburg SAFEGUARDS Tells how to avoid the hazard Risk is reduced by avoiding or lessening the listed hazards can also be caused by such activities as sewing golf tennis and bowling to name a few Pain tingling or numbness in the shoulder fore arm wrists hands or fingers especially during the night may be early symptoms of a CTD Do
19. to Low Voltage Control Unit Test Assembly manual TE 96 01 3 The low voltage cable assembly can be wiped with a suitable solvent DO NOT soak or submerge the cable assembly in solvent 4 Check the full length of cable for wear or breaks in the cable sheath If any are found the cable assembly should be re placed Reinstall the lovv voltage cable assembly to the low voltage cable plug assembly of the handle gt DO over tighten the low voltage cable connection to the handgun as damage to the plastic parts may occur 2 Route the low voltage cable assembly back to the low voltage control unit and attach the cable assembly into the air and fluid hose bundle 3 Connect the low voltage cable assembly to the low voltage control unit 27 M90 RESISTOR HOUSING ASSEMBLY REPLACEMENT 1 Lubricate two new o rings with dielectric grease and install them onto resistor housing sure that the conductive sponges are in place inside the barrel chamber and inside resistor housing Without these sponges proper output voltage may not be obtained 2 Lubricate the new resistor housing as sembly with dielectric grease and insert into the handle from the top 3 Reinstall the hook 4 Remove both old conductive sponges from barrel chamber Use a long wire with one end bent into a hook 5 Install two new conductive sponges into the barr
20. wrench and unscrew the nut by hand Remove the low voltage cable by pulling it from the plug assembly Classic Handgun Loosen the set screw in the hose bracket that retains the swivel fluid fitting but do not remove With a wrench loosen the air fitting Then simultaneously while unscrewing the air fitting by hand pull the hose bracket and high voltage cable from the handle Remove the gun from the vvort site AH 99 01 3 M90 Handguns Maintenance BARREL ASSEMBLY NOTE gt If during testing it is found that the cas cade section of the barrel is bad repair of the barrel is not an option The only course of action is to replace the barrel assembly Removal s Use the spanner wrench to loosen the air cap retaining nut and then unscrew it completely by hand 2 Remove the air cap and fluid nozzle by hand The fluid nozzle may require re moval from the air cap using the nozzle tool Screw the nozzle tool into the back of the fluid nozzle and pull it straight out 3 Using a flat head screwdriver remove the two shoulder screws that retain the trigger to the handle 4 While holding the ground spring located under the trigger and over the air valve stem back toward the handle remove the trigger from the handle Remove the grounding spring from the air valve stem 5 Using a 3 4 inch open end wrench un screw the fluid tube connector from the barrel and slide it down the fluid tube 6 Use the spe
21. 77080 Fluid Tube 77096 01 1 High Voltage Cable LREA4003 XX Figure 9 Recommended Spare Parts M90 Cascade Handgun 77132 MISC PARTS M90 CLASSIC HANDGUN 77132 ems ras Accessories 7969 10 Sealant Pipe Dope Loctite 7969 11 Sealant Low Strength Loctite LSCH0009 00 Dielectric Grease 1 GC 100 R5 Disposable Gun Covers High Pressure 74147 00 1 4 NPSM F Disconnects 20404 00 1 4 NPSM M Figure 10 Recommended Spare Parts M90 Cascade Handgun 77132 AH 99 01 3 41 M90 Handguns Warranty Policies 42 Ransburg WARRANTY POLICIES LIMITED WARRANTY ITW 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 ITW Ransburg s written safety and operating instructions and has been used under normal operating conditions Normal wear items are excluded THE USE OF OTHER THAN ITW 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 APPLICATOR ASSO CIATED VALVES AND TUBING
22. AND SUPPORTING HARDWARE IN PLASTIC SHRINK WRAP OR ANY OTHER NON APPROVED COVERING WILL VOID THIS WARRANTY FLUID HANDLING One 1 year from date of purchase i e Totalizer CCV Valves etc AIR BEARING ROTATORS Fifteen thousand 15 000 hours or three 3 years whichever oc curs first Warranty period begins on the date of purchase ITW RANSBURG S ONLY OBLIGATION UNDER THIS WARRANTY IS TO RE PLACE PARTS THAT HAVE FAILED BE CAUSE OF FAULTY WORKMANSHIP OR MATERIALS THERE ARE NO IM PLIED WARRANTIES NOR WARRAN TIES OF EITHER MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ITW RANSBURG ASSUMES NO LIABILITY FOR INJURY DAMAGE TO PROPERTY OR FOR CONSEQUEN TIAL DAMAGES FOR LOSS OF GOOD WILL OR PRODUCTION OR INCOME WHICH RESULT FROM USE OR MIS USE OF THE EQUIPMENT BY PUR CHASER OR OTHERS EXCLUSIONS If in ITW Ransburg s opinion the warranty item in question or other items damaged by this part was improperly installed operated or main tained ITW Ransburg will assume no responsi bility for repair or replacement of the item or items The purchaser therefore will assume all responsibility for any cost of repair or replace ment and service related costs if applicable AH 99 01 3 Ransburg APPENDIX M90 Handguns Appendix PAINT AND SOLVENT SPECIFICATIONS REA EFM EVOLVER 18TO 30 SEC RECOMMENDED VISCOSITY USING A ZAHN NO 2 REM 907 18 30 SEC NO 2 HAN
23. D GUN 20 TO 60 SEC TURBODISK 20 TO 60 SEC AEROBELL AEROBELL AEROBELL 33 RMA 101 20 TO 60 SEC PAINT ELECTRICAL RESISTANCE AMQTOce AMQTOce 1TO1MQ 1 RECOMMENDED DELIVERY UP TO 1000 cc min 1500 cc min 180 cc min 1000 cc min GUIDE TO USABLE SOLVENT SELECTION Chemical Common Category Name Name Chlorinated Solvents DICHLOROMETHANE Methylene Chloride Flash Point TCC 75 09 2 500 cc min HIGH CAS Evap Number Rate VM amp P NAPHTHA Naptha Aliphatic Hydrocarbons 8030 30 6 HIGH ACETONE Retones 67 64 1 LOVV METHYL ACETATE Esters 79 20 9 LOVV BENZENE Aromatic Hydrocarbons 71 43 2 HIGH ETHYL ACETATE Esters 141 78 6 MEDIUM 2 BUTANONE MER Retones 78 93 3 MEDIUM ISO PROPYL ACETATE Esters 108 21 4 LOVV ISOPROPYL ALCOHOL IPA Alcohols 67 63 0 LOW 2 PENTANONE MPK Ketones 107 87 9 MEDIUM METHANOL Methyl Alcohol Alcohols 67 56 1 LOW PROPYL ACETATE n Propyl Acetate Esters 109 60 4 LOW TOLUOL Toluene Aromatic Hydrocarbons 108 88 3 HIGH METHYL ISOBUTYL KETONE MIBK Ketones 108 10 1 MEDIUM ISOBUTYL ACETATE Esters 110 19 0 LOW ETHANOL Ethyl Alcohol Alcohols 64 17 5 LOW BUTYL ACETATE Esters 123
24. FINITION TABLE Figure 5 Dash number indicates fluid nozzle configuration See Figure 2 Nozzle Selection Chart in the Service section for nozzle specifications and order number identification Dash number reads in feet i e 36 36 feet These items are available in standard lengths of 36 50 75 and 100 feet When ordering Low Voltage Cable use footage for XX 36 AH 99 01 3 Ransburg M90 Parts Identification RECOMMENDED SPARE PARTS M90 CASCADE HANDGUN 77073 Description Rebuild Kit 78930 03 3 4 5 6 7 8 Notes Valve Screvv 75442 00 Needle Valve Ball 73350 00 Jam Nut 73351 00 Wrench 19749 00 Barrel Nut 75324 00 Fits handle with 1 7 8 diameter threads Barrel Ring 75327 00 Fits handle with 1 7 8 diameter threads Trigger Screw 6144 00 Hook Transformer 71202 xx xx must be replaced with 01 for tranformer w switch 00 for transformer without switch Air Nozzle 78140 00 Fluid Nozzle 77080 xxxx Specify nozzle configuration as per nozzle selection chart Fluid Tube 77096 01 Low Voltage Cable 78084 xx MGS 9040 78085 xx Aviator xx must be replaced with desired length of 36 50 75 or 100 feet Fluid Line 7994 xx xx must be replaced with desired length of 36 50 75 or 100 feet Fluid Filter 7720 xx xx must be replaced with
25. Maintenance Excessive Surging 1 Restriction in pump air line 1 Remove restriction 2 Insufficient pump capacity 2 Securelarger pump or reduce output 3 Cloggedpaintfilter 3 Service or replace 4 Lowair volume capacity 4 Check factory air capacity 5 Nozzletoo large 5 Replace with correct nozzle Persistent Nozzle 1 Paint allowed to dry in 1 Flush lines with solvent after each use Clogging nozzle or line 2 Paintgun filtertoo coarse 2 Replace or change to finer screen paint filter or damaged 3 Paint pigments too coarse 3 Pre filter paint and or use larger nozzle orifice Paint Leaks 1 Loose nozzle cap 1 Tighten nut Through Center of Nozzle 2 Impropertriggeradjustment 2 Readjust Failure to Shut Off 3 Defective or dirty valve 3 Flush out or replace as needed seat Paint Leaks Around 1 Loose nozzle cap 1 Tighten nut the Nozzle Cap 2 Fluid seal worn 2 Replace seal Paint Leaks at Rear 1 Loose packing nut 1 Tighten packing nut of Barrel Orange Peel or 1 Evaporation rate too fast 1 Useslower evaporating solvent Rough Finish 2 Pooratomization 2 Poor Atomization 3 Viscosity too high 3 Add solvent or heat Paint Runs or Has 1 Low solids paint 1 Useless solvent Poor Hiding Qualities 2 Low viscosity 2 Use less solvent 3 Excessive delivery 3 Usesmaller nozzle wider fan angle lower pump pressure Figure 4 Troubleshooting Guide Continued AH 99 01 3 33
26. N ASSEMBLY CLEANING PROCEDURE 17 FLUSHING PROGCEDUNRES 5 18 GUN REPAIR aset E 18 EQUIPMENT REQUIRED 22 18 TO REMOVE THE GUN FROM THE WORK SITE 19 BARREL 19 FANAIR VALVE tiec e e t ee cete edes o ab e 23 AIR VAL Bini Ea teres eei voa te Ee ie der ausa 24 TRIGGER ener 25 NEEDLE SHAFT RETURN REPLACEMENT 26 LOW VOLTAGE CABLE PLUG ASSEMBLY 26 LOW VOLTAGE CABLE REPLAGEMENT ur 27 RESISTOR HOUSING ASSEMBLY REPLACEMENT 28 HIGH VOLTAGE CABLE REPLACEMENT nnn 28 CONTINUED ON NEXT PAGE AH 99 01 3 M90 Handguns Contents Ransburg PAGE MAINTENANCE continued 14 33 HIGH VOLTAGE CABLE ASSEMBLY 29 FILTER TUBE AND LINE INSTALLATION AND PAG I e 29 NOZZLE SELECTION GUIDE ca ed iesu quo Dra sock Ro 31 TROUBLESHOOTING GUIDE Gusto pus ea 32 PARTS IDENTIFICATION 34 41 M90 CASCADE HANDGUN PARTS 34 RECOMMENDED SPARE PARTS M90 CASCADE HAND GUN 37 MISC PARTS M90 CASCADE HANDOUN 37 M90 CLASSIC HANDGUN PARTS 38 RECOMMENDED SPARE PARTS M90 CLASSIC HANDGUN T 41 MISC PARTS M90 CLASSIC
27. NG Verify that the gun handle is actually grounded before operating it This is done with a fully connected and operational sys tem by placing one lead of an ohmmeter to the handle and the other to the building electrical ground cold water pipe building structure steel etc They should be essentially zero Ifa greater reading is obtained check that the control unit is grounded See the control unit manual for grounding procedure TYPICAL M90 CLASSIC HANDGUN INSTALLATION Connect the high voltage cable to the control unit high voltage socket Gently hand tighten the cable retaining nut Connect the other end of the high voltage cable to the handgun using an Allen wrench to tighten the set screw in the gun handle Connect the air hose to the inlet of the flow switch on the control unit Connect the outlet of the flow switch with air hose to the handgun us ing a wrench The control unit may be connected through con duit with an explosion proof switch on or near the spray booth where it will be convenient to the operator or may be connected with a power cord depending upon application requirement AH 99 01 3 M90 Handguns Installation NOTE Refer to the control unit service manual for the circuit diagram and instruc tions to connect the control unit AWARNING The control unit MUST be located at least three feet outside of the spray area Install units in accordance with the code requi
28. PLUG ASSEMBLY REPLACEMENT Removal 1 Remove the gun from service refer to To Remove the Gun from the Work Site in the Maintenance section 2 Use a 3 32 inch hexagon Allen wrench to DO NOT remove the screw that retains the low voltage cable plug assembly to the handle The set screw is located toward the bottom of the handle on the front side 3 Hold the bottom of the plug assembly and pull it straight out of the handle gt Trying to twist or unscrew the low voltage cable plug assembly from the handle will damage the low voltage plug and the hook transformer If this occurs both components have to be replaced Cleaning and Inspection 1 The low voltage cable plug assembly should not be cleaned or soaked in any solvents Ifthe assembly is contami nated it must be replaced 2 Examine the low voltage cable plug as sembly for damage to the housing bro ken wires and or broken solder joints If any are found the assembly must be replaced 3 Examine the 5 o rings of the low volt age cable plug assembly and replace any that are damaged 4 If the old low voltage cable plug assem bly is to be reinstalled into the gun it should be tested first Refer to Low Voltage Control Unit Test Assembly manual TE 96 01 AH 99 01 3 Ransburg Reinstall Apply a light coating of dielectric grease to the 3 o rings and insert the low volt age cable plug assembly into the handl
29. Ransburg SERVICE MANUAL AH 99 01 3 Replaces AH 99 01 2 M90 HANDGUNS MODELS 71073 FOR STANDARD 9040 AVIATOR MGS APPROVED 77132 FOR STANDARD 9040 CLASSIC 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 30 00 U S This manual has been changed from revision 99 01 2 to revision AH 99 01 3 Reasons for this change are noted under Manual Change Summary inside the back cover of this manual Ransburg M90 Handguns Contents CONTENTS PAGE SAFETY 1 7 SAFETY 1 HAZARDS 7 SAFEGUARD Siriene 2 INTRODUCTION 8 9 GENERAL 8 SPEGIFICATIONGS citer aaa 9 INSTALLATION 10 11 10 TYPICAL M90 CASCADE HANDGUN INSTALLATION 10 TYPICAL M90 CLASSIC HANDGUN INSTALLATION 11 11 LINE HOSE see ern 11 LUNE HOSE ii ts 11 12 13 SAFEOPERATION rte 12 THE RIGHT TECHNIQUE ee 12 PREPARATION ta dtt aan 13 MAINTENANCE 14 33 SAFE 14 SUITABLE SOLVENTS FOR CLEANING M90 HANDGUNS 15 ROUTINE SCHEDULE 1 nies 15 HANDGU
30. TALLATION AWARNING Install and route the hoses and cable so they are NOT exposed to tempera tures in excess of 120 F and so that all hose bends are NOT LESS than a 6 inch 15 cm radius Failure to comply with these guidelines could cause equip ment malfunctions that might create HAZARDOUS CONDITIONS AWARNING 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 damage or failure of the applica tor components may occur WRAPPING THE APPLICATOR IN PLASTIC WILL VOID WARRANTY This information is intended ONLY to indicate general installation guidelines of this product and its working relationship to other ITW Rans burg system components Each installation is unique and should be directed by an ITW Ransburg representative SAFE INSTALLATION Ground the spray booth the paint supply and the conveyor or work support Ground all solvent and waste safety contain ers Ground all work holders and hooks and keep them free of paint Ground the target object to a structural ground and not back to the applicator system Ensure that all target objects have a resistance to ground of one megohm or LESS Ransburg Ensure that all elements of the coating system are correctly grounded connected and l
31. ach the whip hose to the swivel fitting Ransburg Connect and secure the low or high volt age cable assembly to the handle of the gun Turn the power air and fluid ON at the source and return the gun to service AH 99 01 3 Ransburg Nozzle Identification M90 Fluid Nozzle Part 77080 0509 77080 0511 77080 0513 77080 0811 77080 0813 77080 0815 77080 0818 77080 1009 77080 1011 77080 1013 77080 1015 77080 1018 77080 1021 77080 1311 77080 1313 77080 1315 77080 1318 77080 1321 77080 1326 77080 1511 77080 1513 77080 1515 77080 1518 77080 1521 77080 1715 77080 1718 77080 1721 77080 1726 77080 1731 77080 1921 77080 1926 77080 1931 M90 Handguns Maintenance The M90 gun incorporates a new feature that being a locating air cap Refer to Figure 3 fora view showing the locating pin and receiver holes This feature gives the capability to spray with a fan pattern in either horizontal or vertical positions Operating Parameters Nozzle Orifice Size in Inches Pattern Width at 10 in RECEIVINC SLOTS LOCATING PIN Figure 3 Air Cap Alignment The first two digits of the nozzle dash number indicate the spray pattern width in inches ata distance of 10 inches from the target The second two digits indicate the orifice size in thousandths of inches For example 77080 1015 has a 10 inch spray pattern width and an orifice size of 0 015 AH 99 01 3 Figure 2 Nozzle Selection Guid
32. aches the bottom of the threads Then screw the ball valve needle on by hand until it bottoms on the threads of the needle shaft Using two 2 5mm wrenches tighten the jam nut against the ball valve needle Fill the inner diameter of the packing tube with dielectric grease Insert the needle shaft rear section first into the packing tube Rotate the needle shaft while moving it back and forth inside the packing tube until fully inserted With your finger wipe the excess grease from both ends of the packing tube Using the excess grease apply a thin film to the outer surface of the pack ingtube 10 11 12 13 14 15 16 M90 Maintenance NOTE Begenerous with the dielectric grease when applying it to the packing tube and needle shaft This helps to remove air voids from this chamber DO NOT apply so much grease that it creates an air lock during assembly of the gun Apply a light film of dielectric grease to a new o ring and install it into the external groove of the rear seal container Insert a new spring loaded u cup into the seal container with the concave side facing outward Use the rear seal retainer to fully seat the u cup Place the rear seal container subassem bly with the u cup seal rearward onto the back of the needle shaft and slide it onto its sealing area Install the rear seal retainer onto the rear needle shaft section Place the packing nut with the
33. ay cause heavy edge buildup on the leading edge of the target due to the elec trostatic attraction PREPARATION Paint A selection of the proper paint mixture is essen tial to electrostatic operation Paint test equip ment may be obtained through your ITW Rans burg representative See IL 259 REA REM amp M90 Paint Related Information for paint for mulation For further paint formulation and test procedures consult your ITW Ransburg repre sentative and or your paint supplier AH 99 01 3 M90 Handguns Operation Fluid Nozzle Because of the design of the M90 applicators the fluid nozzle precision is paramount to proper function ITW Ransburg makes every effort to assure that all production of this part will meet the critical design standards necessary for all applications The selection of the best nozzle to apply a given coating to a specific article with maximum effi ciency is not an exact science Testing is usu ally necessary and wide experience with many types of coating applications helps Your ITW Ransburg representative uses such experience and actual laboratory testing when recommend ing a nozzle for your application needs However if parts paints or conveyor speeds are changed a different nozzle may be required for best results The following discussion and guide will assist the user in making their own nozzle selection whenever it becomes neces sary Selection should always be verified by ac
34. cial multi purpose wrench to loosen the retaining nut that secures the barrel to the gun handle After unscrew ing the retaining nut slide it forward 7 Hold the gun handle and fluid tube so the barrel points downward With the other hand pull the barrel forward to separate it from the handle Once the barrel has cleared the handle remove the spring from the spring retainer and set it aside If the fluid tube will not come loose from the barrel rotate the barrel back and forth on the axis of the fluid tube until it comes loose 19 M90 Maintenance 20 8 If the Teflon seal does not pull out with the fluid tube care must be taken when removing this part not to damage the sealing surfaces within the barrel s fluid inlet chamber 9 There is no need to remove the retaining ring or nut from the barrel unless they are damaged If they are to be replaced lift one end of the retaining ring over the captive ridge and spiral it off the end of the barrel Then the retaining nut can be removed gt Use in removing the retaining ring If itis spread too much it could break Disassembly 1 Remove the trigger adjustment nut and spring retainer from the needle shaft us ing two 3 8 inch open end wrenches 2 Position the barrel so the front is facing Using the small spanner tool on the special multi purpose wrench un screw the packing nut from the rear of the barrel by turning it cou
35. ction in this manual and the ITW Ransburg safety literature therein identified Routine management care and maintenance of the system is essential to ensure quality fin ishes eliminate rejects and reduce service requirements Turn the control unit off prior to cleaning or servicing the equipment Never immerse any part of or all of an as sembled applicator in any liquid Periodically strip all workholders to maintain proper grounding of parts Establish adequate cleaning and maintenance schedules based on observation of the initial production requirements Employ fire protection measures including proper storage of paints solvents and waste The integrity of the system ground MUST be inspected regularly and maintained See IL 247 Operating Your Electrostatic Coating System Safely 14 Ransburg AWARNING The user MUST read and be familiar with the safety instructions in this manual gt If compressed air is used in cleaning REMEMBER that high pressure air can be dangerous and should NEVER be used against the body It can blind deafen and may even penetrate the skin If used for cleaning equipment the user should wear safety glasses ALWAYS turn the control unit s power off or the supply air to the AVIATOR off prior to cleaning and servicing the equip ment DO NOT operate a faulty gun gt Using applicators as solvent spray nozzles to clean other equipment or prod
36. e 31 M90 TROUBLESHOOTING GUIDE 32 Ransburg Poor Atomization amp 1 Distribution Poor Wraparound Paint Wraps Back on Operator No Paint Delivery Partially clogged nozzle Low fluid pressure Viscosity too high Improper nozzle Badly worn nozzle High voltage electrode bent Low shaping air pressure Pooratomization Excessive exhaust velocity Excessive fluid pressure Gun held too close to target Paint too conductive Poortarget ground Poor ground on parts Gun held too far from parts Booth exhaust insufficient orimproperly routed Improper spray technique Clogged nozzle Clogged hose or filters No pressure at paint pump Clean out Increase pump air pressure Try nozzle with narrower fan or smaller orifice Try nozzle with narrower fan or smaller orifice Replace Straighten electrode or replace nozzle assembly Readjust shaping air pressure See above Reduce with code limits Reduce air pressure to pump Hold gun further back Consult ITW Ransburg technical assistance Check ground integrity from target through support to ground Check that parts are fully grounded strip workholders Hold gun closer Increase or adjust direction change booth filter Keep gun directed at work Blow out nozzle Clean If pump air supply OK consult pump manual Figure 4 Troubleshooting Guide AH 99 01 3 Ransburg M90 Handguns
37. e DO NOT push the assembly fully into the handle Rotate the plug assembly until the slot in the aluminum housing is aligned with the set screw in the handle Push the low voltage cable plug assem bly into the handle until it seats into the hook transformer assembly Tighten the set screw until it seats into the alignment slot of the low voltage cable plug assembly LOW VOLTAGE CABLE REPLACEMENT Removal AH 99 01 3 AWARNING Prior to working and or performing maintenance on any part of the assembly make sure that the control unit AVIATOR or MGS system are turned off locked and or tagged out Also make sure that all residual voltage is drained from the system by grounding the electrode Using a wrench unscrew the low volt age cable assembly from the low volt age cable plug assembly in the handle Remove the low voltage cable assembly from the plug assembly by pulling straight out Unscrew the low voltage cable assem bly from the control unit Remove the low voltage cable assembly from the fluid and air hose bundle M90 Handguns Maintenance Cleaning and Inspection If prior testing has shown that the low voltage cable assembly is bad the cable assembly must be replaced NOTE The low voltage cable assembly is not repairable due to its construction The cable assembly must be replaced 2 If the low voltage cable assembly has not been tested it should be tested Refer
38. e recess and the fluid tube into the fluid inlet chamber Classic Handgun While holding the barrel with the air nozzle pointing down ward install the needle shaft spring into the spring retainer Align the large bore of the barrel with the resistor housing and the needle shaft spring with the spring recess in the handle Ensure that the conductive sponge has been in stalled into the barrel cavity While slid ing the barrel into the handle cavity align the fluid tube subassembly with the fluid inlet camber in the barrel and seat the barrel against the gasket Ensure the needle shaft spring did seat into the handle recess and the fluid tube into the fluid inlet chamber AH 99 01 3 Ransburg 10 11 AH 99 01 3 gt sure the conductive sponges are place inside the barrel chamber Without these parts proper output voltage may not be attained Classic Only While holding the barrel in place screw the retaining nut onto the handle by hand and then tighten using the special multi purpose wrench Then screw the re taining nut of the fluid tube subassembly into the barrel fluid inlet chamber and tighten using a 3 4 inch open end wrench NOTE gt Torque the barrel retaining nut to 8 to 10 lb ft or after hand tightening torque an additional 1 16 to 1 8 turn using the spe cial multi purpose wrench Check the spacing between the back of the spring retainer and the handle It should be about 1 8 inch
39. eflon thread sealant to the threads of the retaining nut and screw it fully into the handle Use 3 8 inch open end wrench to tighten 2 Apply a thin film of lubricant around the shaft just behind the brass tip of the air valve rod assembly 3 Install the air valve rod end first into the air valve chamber from the back on the left hand side of the handle and push it through the retaining nut 4 Install the compression spring onto the back of the air valve 5 Apply a thin film of lubricant on the o ring and install it into the thread relief of the air valve cap 6 Install the assembled air valve cap con taining the o ring seal into the handle us ing a standard blade screwdriver AH 99 01 3 M90 Handguns Maintenance TRIGGER Removal NOTE gt The gun trigger be replaced either with the gun online or removed from ser vice If the following procedure is to be done online make sure that all fluid and air sources are shut off to the gun and the pressure in the lines is relieved Most of all make sure that the power supply is turned off Remove two shoulder screws attach the trigger to the gun 2 Hold the ground spring in position and remove the trigger from the gun assem bly 3 Remove the ground spring from the rod portion of the air valve and set it aside for safe keeping Cleaning and Inspection T Clean the trigger with a suitable solvent and dry 2 Inspect the trig
40. el chamber 6 Install the barrel see Barrel Assembly in the Maintenance section 7 Install HV cable see High Voltage Cable Assembly in the Maintenance section 28 Ransburg HIGH VOLTAGE CABLE REPLACEMENT AWARNING Prior to any service to the HV cable ALWAYS turn the power supply OFF prior to cleaning or working on it NOTE gt It may be desirable to remove the high voltage cable assembly for some service situations depending upon the extent of ser vice being performed 1 Follow procedures in Remove the Gun from the Work Site in the Mainte nance section 2 Disengage the fluid inlet and separate at the swivel fitting 2 Loosen but do remove screws with a 3 32 inch Allen wrench One will be located in the bracket and the other at the lower front end of the handle 4 Remove the air fitting from handle 5 Pull the cable with hose bracket STRAIGHT OUT of the chamber as you perform step 4 above 6 With a thin blade lift the one end of the snap ring out of its groove and spiral it off the end of the cable T Remove the cable from the air and fluid hose bracket AH 99 01 3 Ransburg HIGH VOLTAGE CABLE ASSEMBLY 1 Remove the ring from the cable end as in previous step 7 Place the cable end into the center hole in the air and fluid bracket Place the ring over the end of the cable and with a blade lift one end of it into its gr
41. ety interlocks disabled The paint process and equipment should be set up andoperatedin accordance with NFPA 33 NEC and OSHA requirements Toxic Substances Certain material may be harmful Follow the requirements of the Material Safety Data if inhaled or if there is contact Sheet supplied by coating material manufacturer with the skin 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 pre scribed by an industrial hygienist or safety expert and be NIOSH approved 2 AH 99 01 3 Ransburg AREA Tells vvhere hazards may occur Explosion Hazard Incompatible Materials Electrical Equipment 4 99 01 3 HAZARD Tells vvhat the hazard is Halogenatedhydrocarbon 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 High voltage equipment is uti lized Arcing in areas of flam mable or combustible materials may occur Personnel are ex posed to high voltage during op eration and maintenance Protection against inadvertent arcing tha
42. ger for or vvear and replace if Reinstall ils Install the ground spring onto the rod portion of the air valve and hold it in place 2 Slide the trigger onto the handle and align the holes with the threaded holes in the handle 3 Insert the shoulder screws through the holes of the trigger and screw them into the handle by hand 4 Secure the shoulder screws to the handle using a flat blade screwdriver 25 M90 NEEDLE RETURN SPRING REPLACEMENT Removal 1 Remove the trigger and ground spring from the gun refer to Trigger in the Maintenance section 2 Loosen the barrel retaining nut and slide it forward on the barrel 3 Pull the barrel forward until there is enough clearance between the needle shaft spring retainer and the handle to remove the spring Cleaning and Inspection 1 Clean all the components in suitable solvent and dry 2 Check components for wear fatigue or damage and replace as required Reinstall 1 Install a new spring into the needle shaft spring retainer 2 Slide the barrel back into the handle cavity until it seats against the barrel gasket 3 Check the spring to ensure it has seated into the handle recess and tighten the barrel retaining nut 4 Reinstall the trigger and ground spring refer to Trigger in the Maintenance section 26 Ransburg LOW VOLTAGE CABLE
43. gh flash naphtha If there are any questions as to what solvents are best for cleaning contact your lo cal ITW Ransburg distributor and or your paint supplier The M90 handgun air hoses fluid hoses and low voltage high voltage cable assemblies should not be submerged or soaked in solvent However the outer surface of these items can be wiped with a suitable solvent When the gun is disassembled into individual components some of these items may be soaked in a suit able cleaning solvent The items that cannot be soaked are noted throughout this manual All o ring and electrical components cannot be cleaned or soaked in any solvents AWARNING ENSURE the power is OFF and the system is grounded before using solvent to clean ANY equipment When using cleaning solvent standard health and safety precautions should apply Cleaning of the exterior surfaces of the handgun should be done with nonpolar solvents If cleaning requires the use of polar solvents the handgun should be wiped down with nonpolar solvent prior to going back into use AH 99 01 3 M90 Handguns Maintenance ROUTINE SCHEDULE Follow these maintenance steps to extend the life of the gun and ensure efficient operation Several Times Daily Turn the control unit power OFF e Set the trigger stop lever and inspect the air cap for paint accumulation Clean as fre quently as necessary with a soft bristled brush and a suitable solvent
44. gs Teflon o rings do not need lubrication Needle Shaft Assembly 73352 00 Packing Tube 72378 01 Transformer Hook Assembly 71202 XX Air Valve Rod Assembly 79310 00 Apply sealant 7969 10 to the external threads of the following parts when assembling Air Valve Retaining Nut 78635 00 Spring Cap 77015 00 EQUIPMENT REQUIRED Special Multi Purpose Gun Wrench 19749 00 Nozzle Tool 72468 00 2 5mm Wrenches 74133 00 2 Nozzle Wrench 76428 00 Spanner Wrench 20254 01 e 3 32 inch Allen Wrench Open End Wrenches 15 16 7 8 11 16 9 16 7 16 3 4 3 8 and 1 4 inch Screwdriver blade Dielectric Grease LSCH0009 00 Medium Strength Sealant 7969 10 Plastic or Wood Dowel Rod 5 16 inch diameter AH 99 01 3 Ransburg TO REMOVE THE GUN FROM THE VVORR SITE gt ALWAYS remove the gun from the work site for service or repair gt NOT use any silicone lubricants in order to avoid paint defects 1 Flush the gun Refer to Flushing Pro cedures 2 With a wrench loosen and unscrew the fluid hose nut Remove the fluid hose assembly 3 With a wrench lock the air fitting in place and loosen the air hose nut using a sec ond wrench Completely unscrew the nut and remove the air hose assembly NOTE gt Ifthe low voltage cable is to be re placed see Low Voltage Cable Replace ment 4 Cascade Handgun Loosen the low voltage cable nut from the plug assem bly with a
45. gun and contains controls for AC on off high voltage adjust RV and microamp meter The Classic Control Unit provides high voltage output to the gun and contains controls for AC on off high voltage adjust RV and microamp meter M90 with Aviator The M90 may be used with the Aviator power generator in hazardous locations This equip ment meets Class 1 Division 1 Group D haz ardous location requirements This allows mov ing the M90 power source inside most spray booths or areas where the standard control unit may not be conveniently located Examples are airplane hangers etc AH 99 01 3 Ransburg SPECIFICATIONS Environmental Gun Length Weight Hose amp Cable Lengths Atomizer Assembly Electrical Operating Voltage Current Output Cascade Classic Paint Resistance Use Model No 76652 Part Sprayability Mechanical Fluid Pressure Fluid Flow Rate Air Pressure AH 99 01 3 M90 Introduction NOTES Physical 10 inches 32 ounces Cascade 29 ounces Classic 36 ft Optional 50 75 and 100 ft 77080 xxxx See Figure 3 Nozzle Selection Guide 85 kV maximum 90 microamperes maximum 200 microamperes maximum 1 MO to co Test Equipment Determine sprayability of part to be coated using 76652 Test Equipment see TE 98 01 0 2800 psi maximum Variable to 1 500 cc minute 0 100 psi maximum M90 Installation INS
46. id 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 equipment Comply with appropriate local state and national codes governing ventilation fire protection opera tion maintenance and housekeeping Reference OSHA NFPA 33 and your insurance company re quirements Always turn power to the power supply OFF un plug the electrical cord from its outlet and remove the front panel fuse before opening the power sup ply door If necessary lock the power supply out so that it cannot be turned ON until the work is fin ished Whenever removing high voltage cables from equipment ground the contact end of the cable by holding the cable such that the contact touches earth ground for several seconds Do not touch the contact until it has been grounded This will reduce the possibility of residual charge causing electrical shock The High Voltage Multiplier Assembly contains en ergy storage components that can cause serious shock injury and therefore is not field repairable Warranty will be voided if the High Voltage Multi plier seal is broken If the High Voltage Multiplier is defective contact your authorized ITW Ransburg representative for exchange or repair The High Voltage Multiplier and high voltage cable contain significant capacitance that will store charge Allow approximately 10 seconds for
47. it clean A surface charge may build up on the plastic surface and discharge to the nearest grounded object Efficiency of the applica tor will also be reduced and damage or failure of the applicator components may occur WRAPPING THE APPLICA TOR IN PLASTIC WILL VOID WAR RANTY 17 M90 Maintenance FLUSHING PROCEDURES The fluid system should be thoroughly cleaned by flushing with a clean compatible solvent whenever a color change is made or when the gun will not be used for an extended period 1 Turn OFF the control unit power Turn OFF supply air to the AVIATOR power generator 2 Turn the paint supply OFF 3 Turn the shaping air supply OFF 4 Tilt the gun down and trigger until it is clear of paint 5 Set the trigger stop lever and remove the nozzle nut air nozzle and fluid nozzle 6 Connect the solvent supply 7 Release the trigger stop and run solvent through the system until it runs clear 8 Disconnect the solvent supply 9 Trigger the gun until it is clear of solvent After the preceding steps are complete the gun is ready for color change stor age or maintenance 18 Ransburg GUN REPAIR All repairs should be made on a clean flat sur face If a vise is used to hold parts during ser vice or repair do NOT clamp onto plastic parts and always pad the vise jaws Apply dielectric grease LSCH0009 00 to the following parts when assembling All Rubber O Rin
48. n revised Warning added 4 Operation section revised Safe Operation Preparation Paint and Fluid Nozzle 5 Maintenance section Entire section revised 6 Service section removed and added to Maintenance section 7 Parts Identification section Entire section revised 8 Appendix section revised Revised Paint and Solvent Specifica tions Revised Viscosity Conversion Chart Revised Volumetric Content of Hose or Tube AH 99 01 3 Service Manual Price 30 00 U S Manufacturing 1910 North VVayne Street Angola Indiana 46703 9100 Telephone 260 665 8800 Fax 260 665 8516 Technical Service Assistance Automotive Assembly and Tier 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 Technical Support Representative will direct you to the appropriate telephone number for ordering Spare Parts Form No AH 99 01 3 Litho in U S A 07 05 2005 Illinois Tool Works Inc All rights reserved Models and specifications subject to change without notice
49. nterclockwise 3 Holding the barrel in one hand and with a firm pull remove the needle shaft as sembly from the packing chamber of the barrel The trigger adjustment nut can be reinstalled for additional grip 4 Remove the packing nut rear seal re tainer seal container subassembly and packing tube from the rear of the needle shaft The spring loaded u cup and o ring can now be removed from the seal container 5 Loosen the ball valve needle using two 2 5mm wrenches to unlock the jam nut Then unscrew both parts off the front of the needle shaft The seal spreader u cup seal and seal pusher can now be removed Ransburg 6 Remove the valve seat body and Teflon seal from the front of the barrel using the nozzle wrench If the seal does not pull out with the valve seat body care must be taken when removing this part not to damage the sealing surfaces within the barrel chamber Cleaning and Inspection 1 Clean the packing chamber of the barrel with a suitable solvent and a soft bristle bottle brush Do not submerge or soak the barrel in solvent Ifthe chamber has dry paint in it and cannot be cleaned out the barrel MUST BE REPLACED AWARNING Soaking or submerging the barrel could allow solvents into the high voltage section of the barrel leading to gun failure and or possible dangerous conditions that could result in property damage and personnel injury 2 Examine the plastic section of the needle
50. o cated Position all non approved electrical apparatus including but not limited to high voltage power supplies fluid pumps and air compres sors outside of the hazardous location See the appropriate NFPA and or OSHA guidelines for your application and equipment Provide appropriate fire extinguishing equip ment Provide conductive flooring in all spray areas Follow all NFPA guidelines TYPICAL M90 CASCADE HANDGUN INSTALLATION Connect the low voltage cable to the control unit low voltage socket Gently hand tighten the cable retaining nut Connect the other end of the low voltage cable to the handgun using a wrench to tighten DO NOT overtighten the low voltage cable connection to the handgun Dam age to plastic parts may occur The control unit may be connected through con duit with an explosion proof switch on or near the spray booth where it will be convenient to the operator or may be connected with a power cord depending upon application requirement NOTE gt Refer to the control unit service manual for the circuit diagram and instruc tions to connect the control unit AH 99 01 3 Ransburg AWARNING gt The control unit MUST be located at least three feet outside of the spray area Install units in accordance with the code requirements See NFPA 33 70 OSHA and local codes NOTE The Aviator power generator may be located within the hazardous area AWARNI
51. oove and spiral it into place Insert the air fitting through the bracket and slide a new o ring down over the top of the air fitting gt Prior to installing the bracket subassem bly to the handle make sure the conductive sponge is in the resistor housing chamber Clean the HV cable tip with a noncon ductive solvent and a dry lint free cloth before inserting it into the resistor housing gt Inspect the high voltage cable tip for any contamination carbon tracking or burn marks DO NOT use a cable that shows any of these defects NOTE enough dielectric grease into the resistor housing chamber to encapsulate the HV cable tip Start the high voltage cable into the re sistor housing chamber but do not se cure it Screw the air fitting into the air inlet chamber of the handle with an 11 16 inch wrench Secure the two set screws with a 3 32 inch Allen wrench AH 99 01 3 M90 Handguns Maintenance FILTER TUBE AND LINE INSTALLATION AND REPLACEMENT REFER TO FIGURES 5 amp 8 Filter Removal Remove fluid filter retaining from swivel fitting Loosen the set screw in the hose bracket and remove the swivel fitting Remowve the fluid filter clean and or re place as necessary Filter Installation 1 Insert the fluid filter into the swivel fitting filter end first Insert the swivel fitting into the hose bracket Screw the filter retaining nut onto the
52. over the end of the gun with a heavy rag and loosen the nozzle nut slowly into a grounded catch container Any broken or damaged components should be replaced Any damage to the gun may result in UNSAFE operating conditions 1 Turn OFF the control unit power Turn OFF supply air to the AVIATOR power generator 2 Turn the paint and air supplies OFF Relieve both fluid and air pressures Set the trigger stop lever AH 99 01 3 o M90 Handguns Maintenance Unscrew the nozzle nut completely from the barrel With the front of the barrel tilted down ward remove the air and fluid nozzles Clean all parts in a suitable solvent and examine for wear and damage To clear the fluid nozzle orifice blow compressed air through the tip in the opposite direc tion of flow Soaking in solvent and or brushing may also be necessary to clean the orifice Replace as neces sary Clean all exterior surfaces of the gun with a rag and a suitable solvent Assemble the parts in reverse order of disassembly Awire brush or metal tools must NEVER be used NEVER use a cleaning tool that is harder than the plastic parts If a deposit cannot be removed with solvent and a rag or the soft brush soak the part in solvent ONLY until the deposit can be removed NEVER soak the gun body barrel or hook transformer AWARNING NEVER wrap the applicator associ ated valves and tubing and supporting hardware in plastic to keep
53. quipment must be present in the spray area and tested periodically Improperorinadequate opera 74 tion and maintenance procedures Spray areas must be kept clean to prevent the ac 4 f will cause a fire hazard cumulation of combustible residues 4 Protection against inadvertent Smoking must never be allowed in the spray area arcing that is capable of causing fire or explosion is lost if any The high voltage supplied to the atomizer must be safety interlocks are disabled turned off priorto cleaning flushing or maintenance during operation Frequent power supply shutdown indicates When using solvents for cleaning a problem in the system requir ing correction 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 and local codes In addition ventilation must be maintained during cleaning operations using flammable or combus tible 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 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 saf
54. rements See NFPA 33 70 OSHA and local codes FILTERS Install an air filter assembly onto the factory air gt An air filter MUST be installed to pre vent contamination of the coating material by the shaping air LINE HOSE AIR ITW Ransburg supplies a standard 36 foot hose Optional hose lengths of 50 75 and 100 feet are available LINE HOSE FLUID ITW Ransburg supplies a standard 36 foot hose Optional hose lengths of 50 75 and 100 feet are available ITW Ransburg offers this hose ONLY as a complete assembly to ensure that the hose is properly grounded at each end fitting M90 Handguns Operation OPERATION SAFE OPERATION Ground all operators by requiring that they hold the gun handle with a bare hand Ground operators and all other persons in spray areas by requiring that they wear con ductive soled shoes or grounding straps Have exhaust fans operating while spraying Exhaust fans must be interlocked with the control unit or Aviator See that no more than one gallon of solvent per safety container per operator is inside of the hazard location If ANY symptom of improper operation occurs suspend use of the unit until the problem has been diagnosed and corrected See Figure 1 Troubleshooting Guide or contact your au thorized ITW Ransburg representative Ground MUST be maintained during the addi tion of fluid to any supply container When ever transferring flammable
55. shaft and the packing tube for signs of carbon tracking Also inspect the air passages and packing chamber of the barrel for signs of scratches addi tional carbon tracking or dried paint Shine a small flashlight into the front of the barrel to highlight any damage in these areas gt Barrels with dry paint scratches or high voltage tracking marks in the air and or packing chamber passages MUST BE REPLACED Neglecting to replace the barrel may lead to reduced gun efficiencies and premature component failure 3 Inspect the sealing area on the front needle shaft section for wear If any signs of roughness or unevenness are found the needle shaft must be re placed AH 99 01 3 sburg NOTE Check all parts for damage or wear Replace those that are damaged or worn with new parts Inspect the sealing areas for wear at the front and rear of the needle shaft rough or uneven replace it Reassembly 1 AH 99 01 3 Install a new Teflon seal and the valve seat body into the chamber at the front of the barrel Use the nozzle wrench to tighten Place the seal pusher onto the front needle shaft section with the flat side forward Push a new u cup seal onto the front needle shaft section with the cup portion forward Place the seal spreader onto the front needle shaft section with the flattest side forward Screw the jam nut onto the threads of the front needle shaft section until it re
56. slots rearward onto the rear needle shaft sec tion Screw the trigger adjustment nut onto the rear needle shaft section with the hexagon rearward and the spring re tainer with the hexagon forward Do not lock the hexagon nuts in place Install the needle shaft subassembly into the packing chamber from the rear of the barrel with the ball valve needle forward Push the needle shaft subassembly for ward until the packing nut will engage it s mating thread in the barrel and screw it into place by hand approximately turns Tighten the packing nut using the spe cial multi purpose wrench until there is a firm resistance felt while moving the needle shaft in and out Then tighten it an additional 1 16 to 1 8 turn 21 M90 Maintenance 17 Push the needle shaft forward until the ball valve needle seats into the valve body 18 Adjust the trigger adjustment nut as far forward as possible 19 Adjust the needle shaft spring retainer until the rear of the hexagon is 11 16 inch from the rear surface of the barrel packing chamber refer to Figure 1 The dimension shown is for both Cas cade and Classic style handguns 20 Hold the spring retainer in place and screw the front trigger adjustment nut rearward until contact is made Use two 3 8 inch open end wrenches to tighten and lock the adjustment nuts in place on the needle shaft
57. t may cause a fire or explosion is lost if safety circuits are disabled during operation Frequent power supply shutdown indicates a problem in the sys tem which requires correction An electrical arc can ignite coat ing materials and cause a fire or explosion M90 Handguns Safety SAFEGUARDS Tells how to avoid the hazard Aluminum is widely used in other spray application equipment such as material pumps regulators valves etc Check all other equipment items be fore use and make sure they can also be used safely with these solvents 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 material sup plier Any other type of solvent may be used with aluminum equipment The power supply optional remote control cabinet and all other electrical equipment must be located outside Class or 1 Division 1 and 2 hazardous areas Exception AVIATOR series guns Refer to NFPA 33 Turn the power supply OFF 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 M90 Handguns Safety Ransburg AREA HAZARD SAFEGUARDS Tells where Tells what the ha
58. the influence of the electrostatic field surrounding the nozzle The air supply to the gun aids in shaping the coating material into a desired pattern The charged particles are attracted to and deposited on the target object The forces between the charged particles and the grounded target are sufficient to turn most normal overspray around and de posit it on the back surface of the target There fore a high percentage of the coating is deposit ed on the target A control unit provides either manual or auto matic operation of the equipment Controls nor mally include but are not limited to fan and con veyor interlocks and a protective current over load device Ransburg M90 Handguns Cascade Classic The M90 Hand Gun applies a negative 85 kV DC charge to the coating materials at the point of atomization This electrostatic charge allows a more efficient uniform application of coating to the front edges sides and back of products The M90 system is highly suitable for applying coatings to a variety of surface configurations large targets small parts tubular wares con cave and recessed parts etc Because itis a grounded fluid system it is highly suitable for applying a wide range of solvent reduced coat ings such as enamels lacquers epoxies etc The M90 system includes the Hand gun Cable Air and Fluid Hoses and a Control Unit The Cascade Control Unit provides low voltage output to the
59. tion draw ings and appropriate ITW Ransburg equipment manuals to reconcile such differences Careful study and continued use of this manual will provide a better understanding of the equip ment and process resulting in more efficient op eration 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 ITW Ransburg rep resentative or ITW Ransburg AH 99 01 3 M90 Handguns Safety A WARNING The user MUST read and be familiar with the Safety Section in this manual and the ITW Ransburg safety literature therein identified This manual MUST be read and thor oughly 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 prior to install ing operating and or servicing this equip ment A WARNING 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 M90 Handguns Safety Ransburg AREA HAZARD SAFEGUARDS Tells where Tells what the hazard is Tells how to avoid the hazard hazards may occur Spray Area Fire Hazard Fire extinguishing e
60. tual tests to determine optimum efficiencies Refer to Figure 2 Nozzle Selection Guide for the choice of spray width and spray character istics appropriate to the size and type of target The maximum nozzle flow capacity depends on the orifice size the fluid pressure the paint vis cosity and the spraying temperature Always remember for maximum paint economy any nozzle selected should always be operated at the lowest fluid pressure which will give good atomization and the required flow rate ITW Ransburg recommends the use of a fluid filter to reduce nozzle clogging 13 M90 Maintenance MAINTENANCE Good preventive maintenance is essential for safe and productive operation Schedules should be established by the user based on the following general information and observations of the initial production requirements The ITW Ransburg maintenance and safety information should be made available to each operator Normal fire protection measures are necessary including proper storage of paints and solvents and proper disposal of waste Ready access to appropriate fire extinguishing equipment is re quired For details consult the appropriate ITW Ransburg and or NFPA safety information your local fire codes local painting equipment stan dards and the OSHA Act of 1970 as well as your insurance carrier s recommendations SAFE MAINTENANCE The user MUST read and be familiar with the Safety se
61. ucts even without high voltage present creates a fire or explosion hazard if ground integrity is broken NEVER use an electrostatic applicator to spray solvent for any reason except to flush the applica tor and ONLY WHEN THE HIGH VOLTAGE IS OFF Always use the minimum amount of solvent to flush the applicator Always flush into an approved grounded container and be sure that both the applicator and operator are securely grounded There is an INJECTION HAZARD with ALL hydraulically fed applicators They will cause serious injury if fluid penetrates the skin If injection should ever occur seek medical treatment imme diately not place any part of the body in the path of the spray not point the gun at any person Always set the trigger stop lever to prevent accidental triggering of the gun AH 99 01 3 Ransburg SUITABLE SOLVENTS FOR CLEANING M90 HANDGUNS When cleaning the M90 a suitable sol vent for cleaning depends on the part s of the gun to be cleaned and the material that needs to be removed ITW Ransburg recommends that all exterior cleaning be done with nonpolar sol vents to prevent a conductive residue on critical components We also understand that some of these solvents do not always meet the cleaning needs of some materials If conductive polar solvents are used to clean the gun compo nents all residues must be removed using a nonconductive nonpolar solvent i e hi
62. ure 6 60 7220905 O Ring Solvent Resistant 2 Required SSCS 61 Filter Fluid 005 Spacing Standard je 68 74133290 Ball Seat Wrenches Not Shown 69 7642800 Noze Wench NoiShow 1 20254 01 See Parts List Bullet Definition Table on page 40 PARTS LIST BULLET DEFINITION TABLE Figure 8 Dash number indicates fluid nozzle configuration See Figure 2 Nozzle Selection Chart in the Service section for nozzle specifications and order number identification Dash number XX reads in feet i e 36 36 feet These items are available in standard lengths of 36 50 75 and 100 feet When ordering High Voltage Cable use footage for XX 40 AH 99 01 3 Ransburg M90 Handguns Parts Identification RECOMMENDED SPARE PARTS M90 CLASSIC HANDGUN 77132 No of Guns rat amber 1 Vave 7544 00 oOo oOo o Sd Wrench Barrel Nut 75324 00 Barrel Ring 75327 00 Trigger Screw 6144 00 Fits handle with 1 7 8 diameter threads Fits handle with 1 7 8 diameter threads O Specify nozzle configuration as per nozzle selection chart xx must be replaced with desired length of 36 50 75 or 100 feet Fluid Line 7994 1 2 314 xx must be replaced with desired ES EC Fluid Filter 7720 1 2 Disposable Gun Cover GC 100 R5 1 Resistor Housing 70397 02 1 Conductive Foam 14061 08 1 Conductive Foam Air Nozzle 78140 00 Fluid Nozzle
63. zard is Tells how to avoid the hazard hazards may occur Spray Area Electrostatic Arcing Never operate the spray gun without properly grounding the following Operators must be grounded Rubber soled insulating shoes should not be worn Grounding leg straps may be used Operators must maintain contact with the handle of the gun If work gloves are used the palm section should be cut out Operators must remove from themselves all metal objects that are not grounded NOTE REFER TO NFPA 33 REGARDING OPERATOR GROUNDING B Parts being sprayed Resistance between the part and a grounded conveyor must not exceed 1 megohm Every metal and conductive object in the spray area This includes the booth parts hangers fire extinguishers conductive flooring etc Grounded conductive flooring must be provided in the spray area Turn off voltage at the power supply before flushing out cleaning or removing any parts from the gun Never install a spray gun into a fluid system using an isolated solvent supply Do not touch gun electrode while gun is energized 4 AH 99 01 3 Ransburg AREA Tells vvhere hazards may occur General Use and Maintenance AH 99 01 3 HAZARD Tells vvhat the hazard is Improper operation or mainte nance may create a hazard Personnel must be properly trained in the use of this equip ment M90 Handguns Safety SAFEGUARDS Tells hovv to avo

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