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Ransburg 19372 Service Manual

Manual is about: NO.2 process handgun electric motor version

Summary of 19372

  • Page 1

    Service manual ah-13-01.3 february - 2016 no. 2 process handgun electric motor version ransburg model: 19372 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 manu...

  • Page 2

    Note: this manual has been changed from revision ah-13-01.2 to revision ah-13-01.3. Reasons for this change are noted under “manual change summary” on page 56 of this manual. Ah-13-01.3 no. 2 process electric motor version - manual changes.

  • Page 3: Contents

    Effects of solvents ....................................................................................................... 22 no. 2 hangun ........................................................................................................................ 23 schedules .............................

  • Page 4: Contents

    Page parts identification: 42-54 19372-aau parts breakout .............................................................................................. 42 cable / motor parts list ................................................................................................ 43 7233-00 handle part...

  • Page 5: Safety Precautions

    Safety precautions before operating, maintaining or servicing any ransburg electrostatic coating system, read and understand all of the technical and safety litera- ture for your ransburg products. This manual contains information that is important for you to know and understand. This information re...

  • Page 6

    Spray area area tells where hazards may occur. Hazard tells what the hazard is. 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 accumulation of combustible residues. Smokin...

  • Page 7

    Area tells where hazards may occur. Hazard tells what the hazard is. Safeguards tells how to avoid the hazard. Spray area improper operation or mainte- nance may create a hazard. Personnel must be properly trained in the use of this equip- ment. Electrostatic arcing must be prevented. Safe sparking ...

  • Page 8

    Area tells where hazards may occur. Hazard tells what the hazard is. Safeguards tells how to avoid the hazard. Spray area / high voltage equipment electrical discharge there is a high voltage device that can induce an electrical charge on ungrounded objects which is capable of igniting coating mater...

  • Page 9

    Toxic substances certain material may be harmful if inhaled, or if there is contact with the skin. Follow the requirements of the material safety data sheet supplied by coating material manufacturer. Adequate exhaust must be provided to keep the air free of accumulations of toxic materials. Use a ma...

  • Page 10: General Description

    General description this is a method of applying electrostatically at- omized coating material. The no. 2 electric pro- cess handgun system applies a high voltage, dc negative charge to the applicator bell, creat- ing an electrostatic field between the bell and the target object. The target is elect...

  • Page 11: Specifications

    Fluid input pressure: 3.45 bar (50psig) air input pressure: 6.90 bar (100 psig) fluid delivery rate: (maximum) 2-3/4” bell: 75 cc/minute rate: (2.5 fl oz/minute) 4” bell: 120 cc/minute rate: (4 fl oz/minute) 6” bell: 180 cc/minute rate: (6 fl oz/minute) application rate: (maximum) 2-3/4” bell: 5-7 f...

  • Page 12

    Item description model 19372 -xx gun features item description 1 handle assembly 2 trigger 3 trigger adjustment 4 resistor housing 5 contact brush 6 rim assembly 7 drive shaft and seal 8 barrel 9 on-off switch 10 cable/electric motor assembly 11 hv cable assembly 12 fluid inlet fitting (9/16-18 l.H....

  • Page 13: Pre-Installation

    Pre-installation requirements 1 . Provide approved electrical wiring to the power supply. The 9060 power supply must be located a minimum of 6.1m (20’) outside of the hazardous spray area. 2. Make sure the operating location has adequate grounding facilities, such as electrical conduit, steel buildi...

  • Page 14: Power Supply

    Before attempting to install the equipment, ensure that all the necessary components are available (see “parts identification” section of this manu- al). In addition, read all the technical and safety literature that is provided. If the literature is not available, contact your local ransburg distri...

  • Page 15

    Figure 3: lsch 0009 di-electric application figure 4: equipment installation diagram 1 2 3 4 5 6 7 8 9 equipment installation diagram (figure 4) item # description 9060 power supply 80102-21x connected to true earth ground high voltage cable connection to power supply 19372 -xx #2 electric motor app...

  • Page 16: Fluid Fitting Installation

    Figure 5: fluid fitting assembly procedure fluid fitting installation procedure 1. Lubricate all fittings with dielectric grease. 2. Screw ferrule (item 3) counterclockwise onto hose (item 4) until it bottoms, then back it off ap- proximately 3.2 mm (1/8”). 3. Install nut over union stem and start t...

  • Page 17: Accessory Installation

    Figure 7: installing bell on shaft 4. Re-position the feed tube in the bell cavity at approximately the 4 to 5 o’clock position. The feed tube should not rub on the bell. Adjust the feed tube if necessary, by rotating it or sliding it forward or backward in the barrel. The bell and feed tube must be...

  • Page 18: No. 2 Handgun Brush

    No. 2 handgun brush positioning and wear (refer to figure 9) when installing the electrical contact brush (3695- 00), it is important that it is properly positioned to provide light contact with the bell conductive coating. Excessive contact pressure from the con- tact brush will wear away the condu...

  • Page 19: Paint

    When the radius portion of the brush plastic tip is gone, the brush will need to be replaced soon. Figure 10: brush tip new and worn paint a proper paint mixture is essential to the electro- static operation. Due to the method of electro- static atomization the viscosity and conductivity levels of t...

  • Page 20: Procedures

    Procedures prior to operating the no. 2 handgun, ensure that the equipment is installed properly (see “instal- lation” section of this service manual). Observe and follow the safety requirements at all times. 1. Inspect the rotating bell assembly to ensure that it is clean and is not chipped. Replac...

  • Page 21: Operations Near

    The quality of atomization can be test- ed by shooting a “donut” test pattern on a grounded flat surface at approximately a 15.2 cm (6-inch) target distance. Coarse atomization may be caused by excessive fluid delivery (high fluid pressure or wrong bell size) or improper electrical resistance of the...

  • Page 22: Shutdown

    W a r n i n g ! W a r n i n g ! C a u t i o n ! Do not soak the bell in solvent as this may deteriorate its black conductive coating. See service instruction “solvent effects on #2 handgun bell / brush wear” and “paint and solvent specifications” in the “appendix” section of this manual. 5. Electric...

  • Page 23: Color Change

    C a u t i o n ! Note w a r n i n g ! 3. Remove and clean the bell (follow the steps under “shutdown” in the “operation” section). 4. Place the gun (bell angled down) on the gun support rack to prevent solvent and paint from getting into the unit. 5. Flush the paint hose, gun, and feed tube with solv...

  • Page 24: Gun Electrical Output

    Note w a r n i n g ! And remove the bell from the gun by following the steps outlined under “shutdown” in the “opera- tion” section. Paints and solvents must only be flushed into earth grounded metal safety containers. 4. Reposition the feed tube to the five o’clock posi- tion and trigger the gun in...

  • Page 25

    W a r n i n g ! 1 2 3 4 5 no. 2 handgun short circuit current test diagram (figure 14) item # description 9060 digital µa meter readout high voltage cable 19372 -xxx no. 2 handgun earth ground connection to brush microamp meter or 76652 to earth ground gun short circuit current (sci) test 1. Connect...

  • Page 26: Effects of Solvents

    Note effects of solvents no. 2 handgun bells do not soak the no. 2 handgun bells in any solvent. Soaking will deteriorate the bell’s per- formance and void warranty. Comprehensive testing conducted on the no. 2 handgun bells has determined the effect of cleaning bells in different solvents. The foll...

  • Page 27: No. 2 Handgun

    No. 2 handgun it is not advisable to soak the no. 2 handgun in solvent at any time. Most of the components of the gun are designed to withstand exposure to many different solvents. There are components within the gun that will not withstand solvent ex- posure and will be destroyed by such exposure. ...

  • Page 28: Test Procedures

    Note note test procedures fluid testing needle locknut adjustment when the paint does not shut-off after the trigger has been released, adjust the knurled nuts (in front of trigger). If this does not correct the prob- lem, refer to the “troubleshooting guide” in the “maintenance” section. 1. Turn th...

  • Page 29: Repair Procedures

    Power supply meter test 1. This method uses the microampmeter located on the power supply. 2. Remove the bell from the gun. Rotate the contact brush outwards and touch the contact brush to ground. 3. Turn the power supply on. 4. Activate the motor circuit at the gun. The meter of the power supply sh...

  • Page 30

    Item # 1 2 3 fluid filter repacement (figure 16) description filter front housing filter rear housing paint filter element figure 16: fluid filter replacement 1. Secure the rear housing of the filter assembly in a vise and with a 3/4-inch wrench connected to the front housing, remove the front housi...

  • Page 31: Cable/ Eletric Motor

    Item # 1 2 3 4 5 6 high voltage cable and electric motor removal diagram (figure 17) description (4) socket head screws (2) slotted head screws high voltage cable assembly switch gasket electric motor assembly note when spraying plural component materials, the filter assembly should be cleaned as so...

  • Page 32: Motor Assembly

    4. Inspect gasket for any damage. Replace if required. 5. Check the applicator end of the cable assembly to ensure the spring is attached to the cable. Apply a generous coating of di-electric lubricant (lsch0009-00) to the applicator end and the power supply end of the high voltage cable. 6. Attach ...

  • Page 33

    C a u t i o n ! Note note note 2. Remove the two bottom socket head screws from the cable/motor assembly and remove the handle assembly from the applicator assembly, taking care not to lose the paint tube and o-ring. 3. Remove paint tube and o-ring from the barrel and clean the exposed barrel surfac...

  • Page 34

    Figure 19: handle assembly diagram item description handle assembly (figure 19) item description 1 handle, machined no. 2 gun 2 needle assembly 3 trigger no. 2 gun machined 4 roll pin 5 hose retainer 6 packing 7 bushing 8 seat, needle 9 bushing 10 bushing 11 hose connector assembly 12 bushing spacer...

  • Page 35

    5. Reverse the handle assembly so that the side marked “x” is up (reference figure 21). Insert trigger, making sure that the curved lower tip of the trigger is pointed away from the handle and the thrust washer is to the front of trigger. 6. Insert the roll pin through the hole and into the trigger ...

  • Page 36

    Needle packing replacement 1. Complete steps 1 and 2 under “needle assem- bly replacement” in the “maintenance” section. 2. Mount an 8 mm (5/16-inch) drill bit vertically in a vise. Scoring or chewing of the metal packing seat in handle may cause permanent dam- age, requiring handle replacement. Fig...

  • Page 37: Barrel Assembly

    Figure 22: hv resistor removal barrel assembly high voltage resistor replacement (refer to figure 24) resistor is made of ceramic material. Re- sistor will break if dropped, mishandled, or exposed to solvents. 3. Cover the front of the barrel (item 6) with a rag. With an air gun (set at a maximum of...

  • Page 38

    If any such damage is found the resistor hous- ing (item 5) needs to be replaced. Contact an authorized ransburg representative to replace the resistor housing if damaged. After two to four resistors failing, the resistor housing may be permanently con- taminated and require replacement. Do not over...

  • Page 39

    4. Install the ground resistor (item 2) and spring (item 1) back into the drive shaft. Install the cable/motor assembly per “cable assembly replacement” in the “maintenance” section. Do not apply dielectric grease to the resistor (item 2), spring (item 1), or inside and outside diameters of the driv...

  • Page 40: 9060 Fuse Replacement

    Do not apply dielectric grease or any other lubricant to the ptfe seal (item 8), ce- ramic seal (item 5), drive shaft (item 7), or collar (item 1). The application of dielectric grease or any other lubricant to these com- ponents can cause premature failure of the motor. 10. Place the nut (item 3) o...

  • Page 41

    Use of lsch0009 dielectric grease in no. 2 handgun misuse of the lsch0009 dielectric grease inside the no. 2 handgun can cause premature failure of the electric motor. Dielectric grease should only be used as a filler (displacement of air) to suppress high voltage corona. Dielectric grease should on...

  • Page 42: Troubleshooting Guide

    Troubleshooting guide general problem possible cause solution mechanical dirty bell feed tube improperly positioned contact brush worn or improperly positioned or broken chipped bell edge bell rotation too slow paint input exceeds gun atomization capacity improper paint mixture bell coating deterior...

  • Page 43: Troubleshooting Guide

    Troubleshooting guide (cont.) general problem possible cause solution mechanical (cont.) poor attraction parts not properly grounded to true earth ground improper technique excessive flow rate paint too conductive excessive air flow around applicator product is not conductive strip workholders and g...

  • Page 44: Troubleshooting Guide

    General problem possible cause solution electrical mechanical (cont.) paint drips from paint hose con- nection or rear of applicator hose fittings not tight hose broken or worn fluid hose fittings are all left handed threads. Insure each connection is properly secured. Order replacement or remove fi...

  • Page 45: Troubleshooting Guide

    Power line unplugged fuse(s) blown high voltage cable failure; cable crackles when system is on. Operator holding applicator by the barrel gun and power supply not grounded operator wearing gloves; operator wearing rubber soled shoes operator is charged before picking up the applicator metal shiel o...

  • Page 46: Parts Identification

    Figure 26: 19372-aau parts breakout item # 1 2 3 4 5 6 7 8 9 10 19372-aau parts breakout (figure 26) description no. 2 handle assembly 7233-00 o-ring 7554-07 paint bushing 2803-00 no. 2 electric barrel assembly 8489-00 bell 4” assembly 11488-00 split lock s.S. Washer (4) required 7734-03 filter asse...

  • Page 47

    Item # 1 2 3 4 5 6 7 8 9 10 cable / motor parts list (figure 27) description spring pin 4359-01 spring 8491-00 adaptor, drive 75757-00 assembly, electric motor no. 2 3639-00 gasket, no. 2 handgun 3968-00 shcs #8 screw (4) required 8301-16c assembly, cable no. 2 electric motor (with motor & switch/wi...

  • Page 48

    Figure 28: 7233-00 handle parts list item # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 7233-00 handle parts list (figure 28) description machined no. 2 handle 7234-00 needle assembly 3655-00 trigger no. 2 machined 3649-00 roll pin 2594-8 hose retainer 7135-00 packing 2845-00 sleeve 3653-00 seat, needle ...

  • Page 49

    1 housing, spring 3659-00 2 needle, no.2 hand gun 3657-00 3 external retaining ring 3688-1 4 eyelet, #5 3803-01 5 retainer, spring 3658-00 6 nut, lock 3441-00 7 washer, plastic thrust 5008-00 8 spring, compression 2846-00 figure 29: needle valve assembly parts item # needle valve assembly parts list...

  • Page 50

    1 o-ring 7554-20 2 o-ring 7554-08 3 o-ring 7554-13 4 o-ring 7554-06 5 spring 14003-00 6 resistor, 10,000 mohm 4175-01 7 collar 6714-00 8 flat point set screw 8488-12f 9 seal, outer 6710-00 10 nut, machined 6713-00 11 seal, inner 6711-00 12 shaft sub-assembly 7225-00 13 resistor, 525 mohm 2842-01 14 ...

  • Page 51

    Item # 8340-xx fluid hose parts and assemblies (figure 31) description part # 1 hose, fluid 77031-xx 2 fitting, hose, ferrule (2) required 7617-00 3 stem, union (2) required 7474-00 4 nut, lh (2) required 6503-00 fluid hose assemblies –25 (7.6 m) 8340-25 -36 ( 11 m) 8340-25 -50 (15.2m) 8340-50 -75 (...

  • Page 52

    Figure 32: feed tube parts figure 33: brush assembly parts brush assembly 3695-00 brush assembly kit of 3 3695-k3 o-ring, 7554-06 item # 1 2 brush assembly parts (figure 33) description part # 2 1 1 2 feed tube for 2 3/4” bell 6335-00 feed tube for 4” bell 3700-k3 feed tube for 6” bell 4076-00 o-rin...

  • Page 53

    Figure 34: fluid filter parts 1 rear housing, paint filter 76941-00 2 front housing, paint filter 76940-00 3 adapter, stem 76939-00 4 fitting, nut lh 6503-00 5 filter, paint (100 mesh , fine) 7720-01 filter, paint (60 mesh , coarse) 7720-02 filter assembly (fine mesh) 76938-01 filter assembly (coars...

  • Page 54

    1 hub and probe 2 3/4” 9777-00 hub and probe 4” 4628-00 hub and probe 6” 4704-00 2 set screw 8488-08c 3 rim 2 3/4” 9772-00 rim 4” 4627-00 4 spring, contact 6126-00 2 3/4“ bell assembly 11491-00 4“ bell assembly std. With unit 11488-00 6” bell assembly 4703-00 figure 35: bell spare parts and assembli...

  • Page 55

    1 power supply, 24 v 79428-00 2 main pc baord, 90 kv classic 80116-28 3 ac line filter 79412-00 4 washer, conduit 14762-02 5 nut, conduit 5307-04 6 hv multiplier assembly, no. 2 79350-01 7 grounding assembly 70539--00 8 ac power switch 76434-01 9 rubber foot 5627-00 fuses for all unit styles 72771-0...

  • Page 56: Recommended Spare Parts List

    Parts included with the unit but not shown; • lsch0009-00 di-electric lubricant • 3614-00 di-electric oil • lsme-4000-00 parts grounding clamp assembly • 76449-00 recommended spare parts list 72771-06 fuse 3657-00 needle 3688-01 snap ring 3803-01 eyelet 3654-00 needle seat 3653-00 sleeve (2 required...

  • Page 57: 9096-00 Spare Parts List

    9096-00 spare parts list 72771-06 fuse (1 amp, 11c-120 vac input) 2 72771-01 fuse (0.5 amp, 220-240 vac input) 2 3657-00 needle 1 3688-00 needle with snapring 1 3803-01 needle with eyelet 1 3654-00 needle seat 1 3653-00 sleeve 2 2845-00 packing 1 3695-00 brush assembly 1 8488-12f 10-32 x 3/8 plstc s...

  • Page 58: Accessories

    5170-00 cleaning can 3936-00 gun holder 20868-00 circuit tester 70539-00 grounding assembly “equipment ground” lsme-4000-00 ground clamp assembly “target ground” accessories ah-13-01.3 54 no. 2 process electric motor version - parts identification.

  • Page 59: Warranty Policies

    Warranty policies limited warranty ransburg will replace or repair without charge any part and/or equipment that fails within the specified time (see below) because of faulty work- manship or material, provided that the equipment has been used and maintained in accordance with ransburg’s written saf...

  • Page 60: Manual Change Summary

    Manual change summary ah-13-01.2 replaces service manual ah-13-01.1, with the following changes: 1. Revised manual for 9060 power unit and added 6” bell. 2. Remove the di-electric oil from the installation (pages 10 & 11). 2. Update the “trouble shooting gude” to include “9060 goes to “bf” mode” (pa...

  • Page 61: Ransburg

    Form no. Ah-13-01.3 litho in u.S.A. 02/16 © 2016 carlisle fluid technologies, dba finishing brands all rights reserved. Models and specifications subject to change without notice. Technical support representative will direct you to the appropriate telephone number for ordering spare parts. Manufactu...