NO. 2 Spray Techniques (Serv. Man. IL-211-D)
Contents
1. ee 5 IL 211 D Ransburg Tune Up Your System the RansCrafted Way gt f the gun is held too far from the target the paint tends to wrap back onto the gun and operator The normal gun to target distance should be ap proximately 4 to 6 inches This allows a good spray pattern to form and helps produce more uniform films If the gun is held too close to the target 1 to 2 inches the paint may not disperse properly causing runs sags poor uniformity and can also ground out the gun voltage IL 211 D 6 No 2 Process Handgun Spray Techniques Ransburg FLAT SURFACES Continued On flat work patterns may be overlapped as much as 50 v M Me PO a Versa NG APER J DANT mat L a ETEN OT D ao Je kl Mlt Se ra PCR ET CED Another suitable technique which is often used is to move the gun in a slow spiraling path across the part barely overlapping on the passes TELS wan Some overstroke at the edge of the target will help produce more wrap around and better edge coverage Attention Chain link fence or other expanded metalware is normally sprayed the same as flat work Fences are coated easiest by spraying from the post side T IL 211 D Ransburg No 2 Process Handgun Spray Techniques TUBULAR WORK The gun should normally be positioned about 4 to 6 inches from the part and held almost perpendicular to the target surface Spraying too close to the part may cause runs and sags Sprayi2. your Ransburg representative Reggie says Why gamble If you know how to play the game you ll be a winner 1 IL 211 D Ransburg No 2 Process Handgun Spray Techniques ANGLES AND RECESSES General Rule Coat the most difficult areas first While you work on the more difficult areas wrap around may take care of the less difficult areas on the target A simple angle iron shape illustrating difficult and easy areas to coat One characteristic of electrical charges is their attraction to the closest ground The paint is attracted to the closest edges and will have only light or no coverage in the recess lt DIFFICULT EASY SOLUTION Move the gun in closer so that the paint may be pulled directly from edge of the bell to the part NOTE gt Targets with very narrow and or deep r ecesses are difficult to coat Care must be taken to provide adequate coverage IL 211 D No 2 Process Handgun Spray Techniques Ransburg SPRAY PATTERNS The spray pattern varies in size from 10 inches minimum to 18 inches maximum approximately Variations depend on bell size paint delivery and paint electrical resistance Minimum Maximum Voltage contact Bell center probe has Large pattern with fair or poor Brush out of poor contact or dam atomization may be caused by position aged shaft resistor excessive paint delivery Insulating hub of bell has become conductive i e moisture or conductive wa
3. TECHNICAL MANUAL Ransburg ens NO 2 PROCESS HANDGUN SPRAY TECHNIQUES Ransburg calls it No 2 but you ll say it does an A 1 job IMPORTANT Before using this equipment carefully read all instructions in this manual Keep this Tech nical Manual for future reference Technical Manual Price 20 00 U S Ransburg NOTE This manual has been changed from revision IL 211 C to revision IL 211 D Reasons for this change are noted under Manual Change Summary inside the back cover of this manual IL 211 D Ransburg No 2 Process Handgun Spray Techniques CONTENTS PAGE NO 2 PROCESS HANDGUN SPRAY TECHNIQUES A ANGLES AND o sternere 2 SET NAT NBI SRM 3 4 FLAT SURFACES 5 7 TUBULAR WORK VEMM 8 USE THE RIGHT TECHNIQUE 9 10 SAFETY REQUIREMENTS sse tnter ttt ttti 11 IL 211 D No 2 Process Handgun Spray Techniques Ransburg DO NOT GAMBLE wae OT PR fa ar auia s a Er ea a a e Rn a oor Ke Eu nn MN n Ax x 3 D Es era SUR im uu D p eA 8 ce ie a eee Eu us oS o C SE ee DU m m ie ee ace gat LO ls 2 Reggie Ransburg says Before you get into the game find out what the rules are Before operating maintaining or servicing any Ransburg electrostatic coating system read and understand all of the technical and safety literature provided with Ransburg products If you do not have the manuals and safety literature for your Ransburg system contact
4. dges can result The difficult area is coated first While concen trating on the difficult area much of the rest of the part is also coated Thus only the remaining uncoated areas need to be sprayed for adequate coating of the entire target area etg 1 ps ta tae pt 2 at lena E 1 1 HUE bajas St taa n Tet Wa M bd Pera ae S ghee rm tg IL 211 D 10 No 2 Process Handgun Spray Techniques Ransburg SAFETY REQUIREMENTS All conductive objects in the spray area MUST be grounded e Keep all work holders and hooks free of coating material The article being coated work holders and hooks MUST be grounded through the conveyor or other supporting structure e Handgun operators MUST NOT wear gloves that insulate them from the gun handle All persons including the operators in spraying areas must NOT wear shoes that insulate them from the grounded conductive flooring e All loose objects in the spraying area MUST be connected to ground All solvents in the spraying area MUST be kept in an approved safety container that is connected to ground In addition to these requirements Operator MUST e Turn off power supply prior to cleaning or working on equipment e Never immerse guns in any liquid e Have exhaust fans operating when spraying Check That e The spray booth coating reservoir and conveyor are grounded The power supply is grounded and located outside of the spraying area e The flo
5. ng too far away from the part may cause overspray or allow paint to wrap back towards the gun Moving the gun in a straight line may not always produce the most complete coverage or uniformity See example A A slight waving or rotation of the gun can help to spread the paint around the part better and improve coverage See examples B and C NOTE gt Small tubes up to about 2 1 2 inches often may be coated by wrap around from one side Larger parts are harder to wrap completely from one side because paint must miss target to wrap around Example Not complete wrap around but still good attraction and efficiency IL 211 D 8 No 2 Process Handgun Spray Techniques Ransburg USE THE RIGHT TECHNIQUE No 2 Process Handgun Overspray and drift are almost totally eliminated by the No 2 Process Handgun Using the same pro cess as the automatic disk and bell systems this gun delivers electrostatic wrap around so effectively that many small open targets can be painted from one side only and finishing material savings can run 50 to 85 over conventional air spray The following are basic electrostatic spray techniques Depending on the type of work being sprayed it may be necessary to change the technique slightly IL 211 D Ransburg No 2 Process Handgun Spray Techniques Coating the outside of the target first puts little paint on the inside If the inside is coated last double coating of the e
6. or in the spraying area is conductive and is grounded e Fire extinguishing equipment is provided and is operative e The spraying area is clean and free of accumulated coating material Good housekeeping must be maintained at all times e No more than one gallon of solvent is kept in each solvent safety container and the total quantity of solvent in the spraying area is kept to the minimum consistent with operation e The guns are operating properly the short circuit currents are within the limits set forth in the instruction manual 11 IL 211 D Ransburg MANUAL CHANGE SUMMARY This manual was published to replace Technical Manual IL 211 C No 2 Process Handgun Spray Techniques to make the following changes 1 Document created in standard booklet formatting IL 211 D Service Manual Price 20 00 U S Manufacturing 1910 North Wayne Street Angola Indiana 46703 9100 Telephone 260 665 8800 Fax 260 665 8516 Technical Service Assistance Telephone 800 233 3366 Fax 419 470 2071 Technical Support Representative will direct you to the appropriate telephone number for ordering Spare Parts Spe Form No IL 211 D 2013 Ransburg All rights reserved ISO 9001 ON Litho in U S A Models and specifications subject to change without notice so 03 13 e Q Qa
7. sh solvent Fair pattern with Slugs Possible causes dam aged bell edge or poor paint mixture 3 IL 211 D Ransburg No 2 Process Handgun Spray Techniques Fair pattern with poor atomization Excessive paint delivery or poor paint mixture A good spray pattern Has fine atomization at the edges and a small center hole No pattern Paint thrown from edge of bell possible causes may be no gun voltage or paint grounding out ii ne AE ee eet POA TE IL 211 D 4 Tune Up Your System the RansCrafted Way Ransburg FLAT SURFACES Poor Technique When the gun is moved in an arc heavier films will result in the center of the target and lighter films at the edges Also more overspray is produced Good Technique When the gun is moved parallel with the surface of the target the operator has better control of the paint Film uniformity is more easily con trolled Normally keep the gun at right angles to the target and move the gun parallel with the target surface m m nui F i PE se rn EFP fe e e tt makk 4 4 m m m m m ns a CCS ete ana onan ee ny m errata atat P Boh Lo mH Holes PLA AE e gi MU DE VE N E CH d d d d 4 o3 E NOE RT m m mmm m p m m m m m rmm m 3 m m m mm m E vcn m ntr r d a a Pos m jur im m m ui i ce c cu cnc nuc ar n a e aa E m al il rar f i e a es a a an Tiene Sees RU reac rer Set aa I a it ee ee i al a P
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