SB-2-248-L - DeVilbiss
Contents
1. Australia www finishingbrands com au sales finishingbrands com au Tel 61 0 2 8525 7555 Fax 61 0 2 8525 7500 Finishing en SB 2 248 L 11 20142. bottom pattern CAUSE CORRECTION Horn holes plugged Clean Ream with non metallic point Obstruction on top or bottom of fluid tip Clean Cap and or tip seat dirty Clean Clean Ream with non metallic point Clean Heavy right or left side pattern Left or right side horn holes plugged Dirt on left or right side of fluid tip Remedies for the top heavy bottom heavy right heavy and left heavy patterns Determine if the obstruction is on the air cap or the fluid tip Do this by making a test spray pattern Then rotate the cap one half turn and spray another pattern If the defect is inverted obstruction is on the air cap Clean the air cap as previously instructed If the defect is not inverted it is on the fluid tip Check for a fine burr on the edge of the fluid tip Remove with 600 wet or dry sand paper Check for dried paint just inside the opening remove by washing with solvent Heavy center pattern Fluid flow too high for atomization air Pressure Feed Material flow exceeds air cap s capacity Spreader adjustment valve set too low Atomizing pressure too low Material too thick Atomization air pressure too high Fluid flow too low Spreader adjusting valve set too high Split spray pattern Loose or damaged fluid tip seat Material level too low Container tipped too far Obstruction in fluid passage Dry or loose fluid needle packing nut Jerky or fluttering spray Ten Unable to ge
3. 2 oz bottle Compatible with all paint materials contains no silicone or petroleum distillates to contaminate paint MSDS available upon request Quick Disconnect Approved for HVLP Guns Air High Flow Ball and Ring Type HC 4419 1 4 NPS F HC 4720 1 4 NPT F HAF 507 Whirlwind In Line Air Filter Removes water oil and debris from the air line KK 5033 57 Air Cap Test Kit To HC 4719 1 4 NPT M The purpose of this test kit is to measure air cap atomizing air pressure at the center air port of the air cap Used to confirm code compliance and as a daily quality control measure HC 1166 1 4 NPT M TLC 576 Aluminum Cup Non Stick Coating Lined amp TSC 591Stainless Steel Cup 1 Ot pressure feed cups 3 8 NPS F cam lock lid Requires KK 4980 air regula tor kit 40 128 Millennium 3000 Twin Cartridge Paint Spray Respirator NIOSH Certified for respiratory protection in atmospheres not immediately dangerous to life 29 3100 Scrubs Hand Cleaner Towels A Scrubs are a pre moistened hand clean er towel for painters No water is needed DEVILBISS 6 8 SB 2 248 L 11 2014 NOTES SB 2 248 L 11 2014 7 8 DEVILBISS WARRANTY POLICY DeVilbiss products are covered by Finishing Brands one year materials and workmanship limited warranty The use of any parts or accessories from a source other than Finishing Brands will void all warrantie
4. LEMS To help you recognize this information we use the following symbols Please pay particular attention to these sections Important safety information A hazard that may cause serious injury or loss of life HAZARD CAUSES Inhaling Toxic Substances Explosion Hazard Incompatible Materials General Safety Cumulative Trauma Disorders CTD s CTD s or musculo skeletal disorders involve damage to the hands wrists elbows shoulders neck and back Carpal tunnel syndrome and tendinitis such as tennis elbow or rotor cuff syndrome are examples of CTD s CTD s can also be caused by such activities as sewing golf tennis and bowling to name a few CAUTION Important information that tells how to prevent damage to equipment or how to Note Information that you should pay special attention to avoida situation that may cause minor injury Solvent and coatings can be highly flammable or combustible especially when sprayed During use and while cleaning and flushing solvents can be forcefully expelled from fluid and air passages Some solvents can cause eye injury Certain materials may be harmful if inhaled or if there is contact with the skin Halogenated hydrocarbon solvents for example methylene chloride and 1 1 1 Trichloroethane are not chemically compatible with the aluminum that might be used in many system components The chemical reaction caused by these solvents reac
5. SERVICE MANUAL JGA 510 HVLP SUCTION PRESSURE FEED SPRAY GUN MAJOR REPAIR KIT KK 4987 2 GOVERNMENT NSN NO 4940 01 046 9919 KK 4987 2 MINOR REPAIR KIT KK 5034 IMPORTANT Before using this equipment read all safety precautions and instructions Keep for future use DESCRIPTION The high volume low pressure JGA HVLP gun is designed to apply a wide variety of finish ing materials This gun was manufactured to provide maximum transfer efficiency by limiting air cap pressure to 10 psi complies with rules issued by SCAQMD and other air quality authorities The gun is available in both suction feed and pressure feed versions of fluid delivery This gun will produce approximately 10 psi cap pressure at 50 psi gun inlet pressure aS measured at the gun inlet An air cap test kit see Accessories Page 6 should be used to insure 10 psi air cap pressure is not exceeded Note This gun includes 300 series stainless steel fluid passages Is necessary to atomize the mate rial being applied Excess pressure will create additional overspray and reduce transfer efficiency Note If quick connects are required use only high flow quick con nects approved for HVLP use such as DeVilbiss HC 4419 amp HC 4699 Other types will not flow enough air for proper gun operation Note If an air adjusting valve is used at the gun inlet use DeVilbiss Model HAV 500 or HAV 501 Some compet itive adjusting valves have signifi
6. cant pressure drop that can adverse ly affect spray performance Models HAV 500 and 501 have minimal pressure drop which is important for HVLP spraying OPERATION and 400 series tip and needle Guns may be used with chlorinated solvent materials See Page 2 for additional warnings IMPORTANT This gun may be used with most common coating and finishing ma terials It is designed for use with mildly corrosive and nonabrasive materials If used with other high corrosive or abra sive materials it must be expected that frequent and thorough cleaning will be required and the necessity for replacement of parts will be increased INSTALLATION For maximum transfer efficiency do not use more pressure than is necessary to atomize the material being applied Connect the gun to aclean moisture and oil free air supply using a hose size of at least 5 16 I D Do not use 1 4 I D hose 25 x 1 4 hose at 18 CFM has a pressure loss of 25 psi 25 x 5 16 hose at 18 CFM has a pressure loss of 8 psi Note Depending on hose length larger I D hose may be required Install a HAV 501 air gauge atthe gun handle and air cap test kit over tip When gun istriggered on adjust regulated pressure to desired setting to pro vide a maximum of 10 psi at the air cap Donot use more pressure than SB 2 248 L 11 2014 Strain material thru 60 or 90 mesh screen Best atomization will occur with 10 psig air cap pressure However some mater
7. ch or burr holes causing a distorted spray pattern See page 6 for gun cleaning accessories To clean fluid passages remove excess material at source Then proceed as follows Suction Feed Guns Wash out cup with solvent Wipe off cup suction tube then fill cup with solvent Spray until fluid passages are clean Pressure Feed Guns Flush fluid delivery sys tem with a suitable solvent using adevice such as the SolventSaver see ACCESSORIES Wipe exterior with asolvent dampened cloth or use 29 3100 Scrubs shown on page 6 Never completely immerse in solvent as this is detrimental to the performance and gun life expectancy as well as destroying the lubricants and packings Note When replacing the fluid tip or fluid needle replace both at the same time Using worn parts can cause fluid leakage See Chart 1 for order ing information Also replace the needle packing at this time Lightly lubricate the threads of the fluid tip before reassembling Torque to 20 25 ft Ibs CAUTION To prevent damage to fluid tip 3 or fluid needle 32 be sure to either 1 pull the trigger and hold while tightening or loos ening the fluid tip or 2 re move fluid needle adjusting screw 27 to relieve spring pressure against needle collar DEVILBISS SAFETY PRECAUTIONS This manual contains information that is important for you to know and understand This information relates to USER SAFETY and PREVENTING EQUIPMENT PROB
8. e at tank Increase air pressure and rebalance gun Reduce pressure Adjust to proper distance Move at moderate pace parallel to work surface Excessive fog Too much or too fast drying thinner Remix properly Too much atomization air pressure Reduce pressure Air pressure too high Gun tip too far from work surface Gun motion too fast Gun out of adjustment Dry spray Reduce air pressure Adjust to proper distance Slow down Adjust Packing nut loose Tighten do not bind needle Fluid leaking from packing nut Packing worn or dry Replace or lubricate Packing nut too tight Dry packing Fluid tip or needle worn or damaged Fluid leaking or dripping from front of gun Foreign matter in tip Fluid needle spring broken Wrong size needle or tip Most common problem SB 2 248 L 11 2014 Adjust Lubricate Replace tip and needle with lapped sets Clean Replace Replace DEVILBISS TROUBLESHOOTING continued CONDITION CAUSE CORRECTION Check distance Normally approx 6 8 Reduce air pressure and check spray pattern Follow paint manufacturer s mixing instructions Thin sandy coarse finish drying before it flow out Thick dimpled finish orange peel ACCESSORIES WR 103 Wrench JGA 156 K10 Spring Clips Gun too far from surface Too much air pressure Improper thinner being used Gun too close to surface Too much material coarsely atomized Air p
9. ects or other reproductive harm CA PROP 65 DEVILBISS 2 8 SB 2 248 L 11 2014 SPRAY GUN LUBRICATION Chart 1 FLUID TIP AND NEEDLE Tip Size Needle Tip I D In mm DISASSEMBLY INSTRUCTIONS NEW BAFFLE ASSEMBLY Daily apply a drop of SSL 10 spray gun lube at trigger bearing stud 20 and the stem of the air valve 12 where it enters the air valve assembly 16 The shank of the fluid needle 32 where it enters the packing nut 18 should also be oiled The fluid needle packing 17 should be lubricated periodically Make sure the baffle 5 and retaining ring 1 threads are clean and free of foreign matter Before assembling retaining ring to baffle clean the threads thoroughly then add two drops of SSL 10 spray gun lube to threads The fluid needle spring 29 and air valve spring 11 should be coated The baffle design incorporates a tight press fit with the fluid tip assuring a positive air seal With this design the baffle may pull away from the gun body when the tip is removed and stay locked onto the fluid tip If this occurs follow the instructions below JGA 402 DEX AV 2125 D AV 2125 DE JGA 402 FX AV 2125 DFX Note A bench vise should be used for convenience and to avoid damage to the spray gun Note Do not use AV 1 copper gasket with this spray gun Chart 2 1 Secure the spray gun in a bench vise with a very light grease making sure that any excess grease will no
10. ials can be sprayed at lower pressures improving transfer efficiency Open fluid adjusting screw 27 by turning counterclockwise If gun is a suction feed version make sure vent hole in suction cup is clean If gun is a pressure feed version turn on air to paint supply and adjust fluid pressure to deliver the desired paint volume Turn on air supply to gun and set gun inlet pressure to lowest recommended pressure for material being sprayed Spray a test area Air pressure and paint flow should be adjusted to provide a uniform dispersion of atomized paint throughout the pattern Keep air pressure as low as possible to minimize bounce back and overspray Excessive fluid flow will result in heavy center spray patterns Inade quate flows may cause the pattern to split See TROUBLESHOOTING page5 if any problems occur If finer atomization is required increase gun inlet pressure Ifa reduced fluid flow rate is required turn fluid adjusting screw 27 clockwise until desired fluid flow is obtained or reduce fluid pressure pressure feed only Order a free copy of Spray Gun Troubleshoot ing and Preventive Maintenance Guide SB 2 001 latest revision for details concerning setup of spray guns 1 8 DEVILBISS PREVENTIVE MAINTENANCE To clean air cap and fluid tip brush exterior with a stiff bristle brush If necessary to clean cap holes use a broom straw or toothpick Never use a wire or hard instrument This may scrat
11. ing Ring AS on un 2 JGHV 101 57 Air Cap SSG 8069 K25 O Ring Viton Kit of 25 3 See Chart 1 Fluid Tip JGS 16 Adjusting Screw 4 JGD 14 K10 Gasket Kit Polyethylene Kit of 10 Spring Pad 5 JGHV 457 57 Baffle and Gasket Kit 1 Included with Nos 29 amp 31 6 MSV 3 K10 MBD 19 K10 Spring Kit Kit of 10 7 Bushing Fluid Inlet Adapter JGA 4041 Bushing Spring and Knob Kit JGA 4044 Fluid Inlet and Nut Kit See Chart 1 Fluid Needle JGS 72 K10 Gasket Kit PTFE Kit of 10 Gun Body MBD 12 K25 Spring Kit Kit of 25 See Chart 1 Fluid Tip amp Needle Set not shown JGS 431 K25 Air Valve Kit Kit of 25 JGS 26 K25 U Cup Seal Kit Kit of 25 M A quantity of necessary parts is included in Repair Kit JGA 15 K25 Washer Kit Kit of 25 KK 4987 2 for complete gun repair and should be kept on hand for JGA 14 K25 Snap Ring Kit Kit of 25 service convenience For more limited repair JGS 449 1 Air ae e Soft Parts Kit KK 5034 is also available includes items 10 13 IK 17 and 26 JGV 463 K3 Packing Kit Kit of 3 y 2499 K Ref No 34 includes Ref Nos 3 and 32 Copper tip gasket also a al a Ty included but not used with JGA 510 gun Sufixes K10 designates kit of multiple parts Example JGS 478 Stud and Screw Kit JGD 14 K10 is a kit of 10 gaskets Includes 3 studs and 5 screws Government NSN No 4940 01 046 9919 KK 4987 2 DEVILBISS 4 8 SB 2 248 L 11 2014 TROUBLESHOOTING CONDITION Heavy top or
12. ket 12 pt over the fluid tip so that it rests on the top surface of the baffle See Figure 3 4 Press downward on the socket with sufficient force to free the baffle from the tip See Figure 3 5 The fluid tip and baffle can now be removed normally from the gun Figure 1 Baffle 10 Maximum air pressure required to assure compliance of 10 psi Max Cap Pressure this reading must be taken at the spray gun handle inlet fitting Figure 3 Press Down Air Cap Pressure PSI 10 15 20 25 30 35 40 45 50 Gun Inlet Pressure PSI Air cap number located on face of cap cap number must cor respond with baffle number to assure 10 psi cap pressure SB 2 248 L 11 2014 3 8 DEVILBISS 24 Ref No 17 Needle Packing Detail 2 piece packing covered by U S Patent No 5 209 501 26 Tapered edge faces out towards packing nut x Fluid Packing Inner PTFE Nut Piece 1 aa Y E 4 INN i ay ZA 27 28 Outer U H M W Fluid Poly Piece Nee 29 31 Apply thread sealant i e Loctite blue No 242 med strength or equal Air Inlet Nipple 1 4 NPS M Torque to 15 ft lbs nl Torque to 8 2 20 25 ft Ibs Fluid Inlet Adapter AA 3 8 NPS M Individual Parts Required PARTS LIST JGS 477 1 Trigger Stud and Screw Kit Kit includes 1 each Replacement Individual JGA 132 Plug Part No Description Parts Required P MB 51 Nipple A 497 1 Fan Adj A 1 MBC 368 Retain
13. ressure too low Improper thinner being used Material not properly mixed Surface rough oily dirty Cleaning Brushes KK 5060 or 192212 42884 214 K5 3 8 amp 42884 215 K10 5 8 Check distance Normally approx 6 8 Increase air pressure or reduce fluid pressure Increase air pressure or reduce fluid pressure Follow paint manufacturer s mixing instructions Follow paint manufacturer s mixing instructions Properly clean and prepare HAV 500 or HAV 501 Adjusting Valve HAV 501 shown Complete Cleaning Kit Contains all necessary tip hose and nut sizes Joins any single piece DeVilbiss air cap with latest version MBC 368 or MSA 1 retaining ring Helps prevent parts loss and provides easier These brushes are help ful in cleaning threads and recesses of gun used on or with gun assembly KB 555 Aluminum amp KB 545 SS S S 2 qt Pressure Feed Cup_ With Regulator A body TGC 545 Aluminum TLC 555 Non Stick Coating Lined TSC 595 Stainless Steel Provides greater degree of control over cup fluid pressure KB 4006 6 Ft Fluid and Air Hose can be used with these cups Drip Free Suction Cups Cups have a unique two position valve which permits selection of either a drip free or conventional open vent mode KR 115 K5 Lid Protector Kit keeps inside of lid clean HAV 500 does not have pressure gauge Use to control air pressure at gun Spray Gun Lube SSL 10 K12
14. s For specific warranty information please contact the closest Finishing Brands location listed below Finishing Brands reserves the right to modify equipment specifications without prior notice DeVilbiss Ransburg BGK and Binks are registered trademarks of Finishing Brands 2014 Finishing Brands All rights reserved DEVILBISS USA Canada www devilbiss com info finishingbrands com Tel 1 800 992 4657 Fax 1 888 246 5732 United Kingdom www finishingbrands eu info finishingbrands eu Tel 44 0 1202 571 111 Fax 44 0 1202 573 488 China www finishingbrands com cn mkt finishingbrands com cn Tel 8621 3373 0108 Fax 8621 3373 0308 Mexico www finishingbrands com mx sales finishingbrands com mx Tel 011 52 55 5321 2300 Fax 011 52 55 5310 4790 France www finishingbrands eu info finishingbrands eu Tel 33 0 475 75 27 00 Fax 33 0 475 75 27 59 Japan www ransburg co jp binks devilbiss ransburg co jp Tel 081 45 785 6421 Fax 081 45 785 6517 DEVILBISS DeVilbiss is part of Finishing Brands a global leader in innovative spray finishing technologies For technical assistance or to locate an authorized distributor contact one of our international sales and customer support locations below Brazil www devilbiss com br sales devilbiss com br Tel 55 11 5641 2776 Fax 55 11 5641 1256 Germany www finishingbrands eu info finishingbrands eu Tel 49 0 6074 403 1 Fax 49 0 6074 403 281
15. t clog the air pas sages For best results lubricate the points indicated daily AIR CAP amp BAFFLE COMBINATION No Stamped on Part with padded jaws or use a rag to avoid scratching the gun body Using a 1 2 socket loosen the fluid tip three 3 turns only which will leave about a 1 16 gap between the baffle gasket and gun body See Figure 2 Do not loosen the fluid tip more than three 3 turns as damage may occur Part No Baffle z A Material Safety Data Sheet is available from DeVilbiss upon request Trigger Points A Packing TE Adjusting Valves Baffle Threads Air Valve D Cartridge Figure 2 JGHV 101 57 Air Cap Performance Charts Loosen fluid tip 3 turns only 7 CIOD m o OWD Fluid Tip Baffle NH Da EVILDISS Graph 1 20 PARTS REPLACEMENT FLUID INLET GASKET 6 REPLACEMENT INSTRUC TIONS oi 1 Remove fluid inlet adapter 8 with ap propriate wrench 2 Clean Loctite from gun body inletthreads and seal area 3 Place gasket 6 squarely onto the fluid inlet adapter and push it down until it is flat against the shoulder 4 Place a couple of drops of medium strength thread sealant i e Loctite 242 blue or equal on threads before install ing fluid inlet adapter 5 Torque fluid inlet adapter to 20 25 ft Ibs and tighten locknut Air Flow Rate SCFM o a o 15 20 25 30 35 40 45 50 Gun Inlet Pressure PSI 3 Placea1 soc
16. t round spray Will not spray Starved spray pattern Spreader adjustment screw not seating properly Air cap retaining ring loose No air pressure at gun Fluid too heavy for gravity feed Fluid pressure too low Too much material flow Material too thin Gun tilted on an angle or gun motion too slow Inadequate material flow Low atomization air pressure suction feed Too much atomization air pressure Gun too far from work surface Improper stroking arcing gun motion too fast Excessive overspray Loose or broken fluid tube or fluid inlet nipple Fluid needle adjusting screw not open enough Balance air pressure and fluid flow Increase spray pattern width with spreader adjustment valve Thin or lower fluid flow Adjust Increase pressure Thin to proper consistency Reduce at transformer or gun Increase fluid flow increases gun handling speed Adjust Tighten or replace Refill Hold more upright Backflush with solvent Lubricate or tighten Tighten or replace Clean or replace Tighten Check air supply and air lines blow out gun air passages Open fluid needle adjusting screw Thin material and or change to larger tip size Increase fluid pressure at tank Adjust gun or reduce fluid pressure Mix properly or apply light coats Hold gun at right angle to work and adapt to proper gun technique Back fluid adjusting screw out to first thread or increase fluid pressur
17. th stainless steel internal passageways may be used with these solvents However aluminum is widely used in other spray application equipment such as material pumps regulators valves and cups Check all equipment items before 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 supplier Operators should be given adequate training in the safe use amp maintenance of the equipment in accordance with the requirements of NFPA 33 Chapter 15 Users must comply with all local and national codes of practice and insurance company requirements governing ventilation fire precautions operation maintenance and housekeeping These are OSHA Sections 1910 94 and 1910 107 and NFPA 33 Pain tingling or numbness in the shoulder forearm wrist hands or fingers especially during the night may be early symptoms of a CTD Do not ignore them Should you experience any such symptoms see a physician immediately Other early symptoms may include vague discomfort in the hand involve loss of manual dexterity and nonspecific pain in the arm Ignoring early symptoms and continued repetitive use of the arm wrist and hand can lead to serious disability PROP 65 WARNING WARNING This product contains chemicals known to the State of California to cause cancer and birth def
18. ting with aluminum can become violent and lead to an equipment explosion Improper operation or maintenance of equipment Use of hand tools may cause cumulative trauma disorders CTD s CTD s when using hand tools tend to affect the upper extremities Factors which may increase the risk of developing a CTD include 1 High freequency of the activity 2 Excessive force such as gripping pinching or pressing with the hands and fingers 3 Extreme or awkard finger wrist or arm positions 4 Excessive duration of the activity 5 Tool vibration 6 Repeated pressure on a body part 7 Working in cold temperatures The following hazards may occur during the normal use of this equipment Please read the following chart before using this equipment SAFEGUARDS Adequate exhaust must be provided to keep air free of accumulations of flammable vapors Smoking must never be allowed in the spray area Fire extinguishing equipment must be present in spray area Wear eye protection Follow the requirements of the Material Safety Data Sheet supplied by your coating material manufacturer Adequate exhaust must be provided to keep the air free of toxic materials Use a mask or respirator whenever there is a chance of inhaling sprayed materials The mask must be compatible with the material being sprayed and its concentration Equipment must be as prescribed by an industrial hygienist and be NIOSH approved Guns wi
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