DeVilbiss GTi-HD Technical Bulletin Download | Manualshive

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SB-E-2-451

ISS.05

Technical Bulletin

HD

range of Gravity Spray Guns

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Summary of Contents for GTi-HD

Page 1: ...SB E 2 451 ISS 05 Technical Bulletin HD range of Gravity Spray Guns ...

Page 2: ...nical Data 4 Safety 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 Fluid Insert Spreader Valve Assembly 11 D Spray Head Seal 12 E Chart 1 Air Caps Chart 2 Fluid Nozzles Fluid Needles 13 Troubleshooting Possible Problems in Operation 14 Accesso...

Page 3: ...2 Nozzle Alternatives are 1 3 or 1 4 For the PRi HD Primer Spray gun the ordering code is e g PRIHD P1P 16 where P1 P1 Aircap P PRIMER Gun 16 1 6 Nozzle Alternatives 1 4 1 8 2 0 or 2 5 Operational Description This GTi HD Spray Gun is a professional quality gun designed with both high volume low pressure HVLP technology or EPA compliant Trans Tech technology The PRi HD Primer Spray Gun uses only Tr...

Page 4: ...t other cup systems 1 7 C C ergonomic good looking durable easy to clean 8 I 7 1 9 1 6S 15 5 7 static S F C 6 A C operation 18 0 4 T CC C 1 C 9 pressure drop T CC S 9 S C 14 borne applications M aluminium A 7 7 I 7 T CC S S S R S C 7 7 S S S 7 A S T CC I 7 C7 S 7 Air Cap Retaining Ring Knobs S S 7 R60 BD E H J S ction U 1 L S6 1 L 6S N S I 6 61 P 12 1 5 I 6 R 6 R1 T Tech T1 T2 and P1 with gun trig...

Page 5: ...ng If in doubt contact your material tu pih The use of respiratory hlkinkp i i up siqk pt hinlssiqviv ok o kpsit mi k i lj i up siqk sutk zi nls okpz i pkm kmi sokihpo zipqr t ho iv Always wear eye protection when spraying or cleaning the spray gun Gloves must be worn when spraying or cleaning the equipment hopqpqr ihtlqqi tmlu v zi rp iq ovi uoki khopqpqr pq kmi toji uti lj t ho pqr i up siqk M i...

Page 6: ...40 K 1 12 C S 1 3 ID Ring Kit 4 Colours S 26 K4 1 13 C 1 6 411 1 1 C 9 S S 6 K 1 5 ª 007 K5 1 15 S 2 p13 1 8 R 1 18 S C 1 V 1 1 S C 6 1 4 1 14 F C 1 S 1 1 F C 7 Spring Pad Kit 6 3 K 1 5 S 41 K 1 2 C 2 51 501 1 21 S 1 52 0 A d kit of 5 2 K5 1 22 S S 2 53 402 1 23 S Adjusting Knob 1 5 1 2 S 6 2 55 6 5 K5 1 25 S Assembly 6 402 1 58 S T l 1 28 6 A C 1 5 T S6 8 K2 1 2 6 A C S C 1 54 S S A S 405 5 1 24 ...

Page 7: ... 013 Finishing Brands UK Ltd 7 ...

Page 8: ...nob 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 Arcing or tilting may result in uneven coating 12 The recommended spray distance is 150 200 mm 13 Spray edges first Overlap each stroke a minimum of 75 Move gun a...

Page 9: ...g 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: ...ce Tool 56 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 56 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...

Page 11: ...nd 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 and gun will have full needle travel 22 Trigger gun several times to verify correc...

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: ...K 6 I6 210 16 K 6 I6 210 18 K 6 I6 210 20 K 6 I6 210 25 K NOTE When replacing the fluid nozzle or fluid needle replace both at the same time Torque to 18 20 nm 13 15 ft lbs Don t over tighten the fluid nozzle Use SN 28 10mm Spanner supplied with the gun and check with a torque wrench IMPORTANT NOTE The GTI HD and PRI HD tips and aircaps ARE NOT INTERCHANGEABLE between the 2 models Any attempt to f...

Page 14: ...ruction is on the air cap O A F hole opening washing with solvent 2 If the defect is not inverted it is on the nozzle Clean nozzle If problem persists renew nozzle R centre S F too low Atomising pressure too low Material too thick T A a correct pattern Increase pressure Thin to correct consistency S patter ir pressure too high Fluid adjusting knob turned in far Spreader adjusting valve set too C O...

Page 15: ...nce S O V F C use larger nozzle sizeO A C packing nut 6 A C O O A C C C fluid needle worn or damaged C nozzle dirty or stuck in needle packing V C needle or fluid O nozzle and fluid O O Replace nozzle and fluid O C A C from bottom of cup C O Cup fluid inlet seat dirty T C Clean C T flow Material too thin C 7 C too slow T fluid adjusting knob clockwise or switch to smaller nozzle fluid needle size ...

Page 16: ...ng Brands UK Limited 400 Capability Green Luton Bedfordshire LU1 3AE UK Registered in England No 07656273 Vat No GB 113 5531 50 É ÊBBËÌÍÊB 0 6 0 C Pressur C 0 I6 502 B S 50 F S SN 406 8 N C Cups pack of 50 N 1 K50 T 0river 1 4 bore rubber air hose with fittings R 6065 S6 H 6065 6S C 6 A Î0 C N6 463 C 5 1 K3 N6 S N6 60 K3 T 0 S6 8 K2 Ï This product is covered by Finishing Brands UK Limited one year...

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