DeVilbiss JGA P PRO Technical Bulletin Download | Manualshive

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SB-E-2-820

ISS.05

Technical Bulletin

JGA PRO range of Suction and Pressure feed

Spray Guns

AUTOMOTIVE REFINISHING

EN

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Summary of Contents for JGA P PRO

Page 1: ...SB E 2 820 ISS 05 Technical Bulletin JGA PRO range of Suction and Pressure feed Spray Guns AUTOMOTIVE REFINISHING EN ...

Page 2: ...y Precautions 5 Parts List 6 Exploded parts View 7 Installation Operation Preventive Maintenance Cleaning 8 Parts Replacement Maintenance 9 A Servicing Air Valve 9 B Replacing Air Valve 10 C Needle Packing Spreader Valve Assembly 11 D Spray Head Seal 12 E Fluid Inlet Seal and Suction Cup maintenance 13 F Chart 1 Air Caps Chart 2 Fluid Nozzles Fluid Needles 14 Troubleshooting Possible Problems in O...

Page 3: ...ion and Pressure range of Sprayguns is e g JGASPRO C1 16 where C1 C1 Aircap Alternatives are C2 and C3 S Suction feed Alternative is P for pressure 16 1 6 Nozzle See chart 2 p14 for available sizes Operational Description This JGA PRO Spray Gun is a professional quality gun The JGA PRO is suitable for a wide range of paints dyes stains glazes and lacquers IMPORTANT These Sprayguns are suitable for...

Page 4: ... BSP 1 4 NPS 15 1 litre Aluminium Suction Cup Suction models only 7 Self Adjusting Needle Packing for trouble free operation 16 Cup Lid with Drip Free diaphragm 8 Trigger ergonomic for comfort 17 Air Valve design offers low pull force low pressure drop 9 Trigger Stud Screw easy replacement design 18 Gun acceptable for waterborne and solvent borne applications Materials of Construction Gun Body Ano...

Page 5: ... If in doubt contact your material supplier The use of respiratory protective equipment is recommended at all times The type of equipment must be compatible with the material being sprayed Always wear eye protection when spraying or cleaning the spray gun Gloves must be worn when spraying or cleaning the equipment Training Personnel should be given adequate training in the safe use of spraying equ...

Page 6: ...41 K 1 18 Fluid Adjusting Knob 1 51 Stud and Screw kit SN 405 K5 1 19 Fluid Adjusting Knob Spring Pad Kit PRO 3 K 1 52 Air valve Service Tool 1 20 Retaining Clip 2 53 Torx Key SPN 8 K2 1 21 Spreader Valve Body 1 54 Fluid Inlet Connector 1 22 Spreader Valve Seal 2 55 Seal 1 23 Spreader Valve Adjusting Knob 1 56 Lock Nut 1 24 Spreader Valve Pin 2 57 Fluid Inlet Connector Kit PRO 12 K 1 25 Spreader V...

Page 7: ... 2013 Finishing Brands UK Ltd 7 PATENT GB2417544 ...

Page 8: ...d shows 8 Test spray If the finish is too dry reduce airflow by reducing air inlet pressure 9 If finish is too wet reduce fluid flow by turning fluid adjusting knob 18 clockwise If atomisation is too coarse increase inlet air pressure If too fine reduce inlet pressure 10 The pattern size can be reduced by turning spreader valve knob 23 clockwise 11 Hold gun perpendicular to surface being sprayed A...

Page 9: ...ig 7 7 CLEAN a Remove all paint build up See fig 8 b The 4 poppet holes must be clear See fig 9 c Stem must be free to float in poppet See fig 10 d Stem must slide through cage bore with slight resistance due to seal e Rear seal must look clean and in position in the bore See fig 6 f If any of the above cannot be rectified replace the air valve See Replacing Air Valve p10 8 Replace spring ensuring...

Page 10: ... Tool 52 See figs 18 19 6 Clean air valve bores in gun body with the brush supplied in the kit 7 Place new rear seal onto Service tool 52 grooves must fit in service tool form See fig 20 8 Push rear seal firmly into hole up to shoulder using Service tool See figs 21 22 9 Insert new spring ensuring the end with the plastic bearing pad goes in first See fig 17 10 Insert air valve assembly into gun a...

Page 11: ...2 18 Re assemble the packing See fig 32 Assemble into gunbody by hand see fig 33 and then tighten See figs 30 and 31 19 Insert fluid needle all the way into gun body seating in fluid nozzle See fig 34 20 Insert needle spring spring pad and fluid adjusting knob See figs 28 27 Reinstall trigger See figs 25 26 21 Trigger gun fully and screw in fluid adjusting knob until it stops Back it off 1 2 turn ...

Page 12: ...g ring See fig 47 9 Place a new Spray Head Seal onto the front of the gun making sure the flat on the seal is aligned with the flat in the gun See fig 48 10 Fit the Front Plate onto the Spray Head fit Spray Head to the Gunbody ensuring the flat on the underside of the Spray Head locates with the flat in the Gun Body Fit Fluid Nozzle Air Cap and Retaining Ring Torque the Fluid Nozzle to 18 20 nm Do...

Page 13: ... 51 6 Tighten with 8mm Hex Key see Fig 50 7 Tighten Lock Nut 56 with 18mm Spanner see Fig 49 SUCTION CUP LID 1 Remove drip free diaphragm 60 Clean or replace Make sure the vent hole is kept clear See Fig 53 2 Remove Cup Gasket 59 see Fig 54 3 Make sure the vent hole in the lid 62 is clean and not blocked See Fig 55 4 It is recommended to replace the Cup Gasket 59 with a new one to avoid Cup leaks ...

Page 14: ...parts may occur Slip ring and Retaining Ring seal are not available as replacements Simply wipe parts clean and reassemble with new or clean air cap Chart 2 Fluid Nozzle Range Fluid Needle SPRAYGUN PART No ON FLUID NOZZLE PART No NEEDLE JGA S PRO PROC 220 16 K JGAPRO 330 K PROC 220 18 K JGA P PRO PROC 230 085 K PRO 305 085 10 K PROC 230 10 K PROC 230 12 K PRO 305 12 14 K PROC 230 14 K PROC 220 16 ...

Page 15: ...s on the fluid nozzle Clean nozzle If problem persists renew nozzle Heavy centre pattern Spreader adjustment valve set too low Atomising pressure too low Material too thick Turn out counter clockwise to achieve correct pattern Increase pressure Thin to correct consistency Split spray pattern Air pressure too high Fluid adjusting knob turned in too far Spreader adjusting valve set too high Reduce a...

Page 16: ...ure Adjust to correct distance Slow down Wind out needle adjusting screw or use larger nozzle size Fluid leaking from packing nut Packing or Fluid Needle worn Replace Fluid leaking or dripping from front of gun Fluid nozzle or fluid needle worn or damaged Foreign matter in fluid nozzle Fluid needle dirty or stuck in needle packing Wrong size fluid needle or fluid nozzle Replace fluid nozzle and fl...

Page 17: ...ishing Brands UK Limited 400 Capability Green Luton Bedfordshire LU1 3AE UK Registered in England No 07656273 Vat No GB 113 5531 50 ACCESSORIES DGi Digital Pressure Gauge DGIPRO 502 BAR 600 cc Mixing Cups pack of 50 MC 1 K50 Spanner SN 406 10m x 8mm bore rubber air hose with fittings H 6065 B BSP H 6065 N NPS Torx driver QD Female connector MPV 424 Cleaning Brush QD male connector MPV 5 Cleaning B...

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