Service bulletin
Contents
1. SB E 2 843 ISS 02 DEVILBISS CE EVII2G X Technical Bulletin GTIPRO LITE HVLP and High Efficiency Gravity spray Gun Fr p Table of Contents Topic EC Declaration of Conformity Part Numbers Operational Description Kit contents Construction Features Materials of Construction Specifications amp Technical Data Safety Precautions Parts List Exploded parts View Installation Operation Preventive Maintenance amp Cleaning Parts Replacement Maintenance A Servicing Air Valve B Needle Packing Fluid Insert Spreader Valve Assembly C Spray Head Seal Replacement D Chart 1 Air Caps Chart 2 Fluid Nozzles amp Fluid Needles Troubleshooting Possible Problems in Operation Accessories Warranty Page 11 12 13 14 16 16 2013 Finishing Brands UK Ltd EC Declaration of Conformity We Finishing Brands UK Limited Ringwood Rd Bournemouth Dorset BH11 9LH UK as the manufacturer of the Spray gun model GTIPRO LITE declare under our sole responsibility that the equipment to which this document relates is in conformity with the following standards or other normative documents BS EN 12100 PARTS 1 amp 2 2010 BS EN 1953 1998 A1 2009 and thereby conform to the protection requirements of Council Directive 98 37 EEC relating to Machinery Safety Directive and EN 13463 1 2009 council Directive 94 9 EC relating to Equipment and Protective systems intended for use in Potentially Explosive2. Trigger Stud Adjusting Knobs Springs Clips Screws Seals Gaskets Trigger Air Inlet Body Bushing Spreader Valve Body Air Valve Nut Chrome plated brass Air Cap Retaining Ring Air Valve Assembly Specifications amp Technical Data Air Supply Connection Universal 1 4 BSP and 1 4 NPS male Maximum Static Air Inlet Pressure P1 12 bar 175 psi Gun Air Inlet Pressure for HVLP 1 75 bar 25 4 psi and High Efficiency both with gun triggered 2 0 bar 29 psi Fluid Supply Connection 3 8 BSP Service Temperature 0 to 40 C 32 to 104 Gun Weight gun only 446g with cup 629g 4 2013 Finishing Brands UK Ltd A SAFETY WARNINGS Fire and explosion Solvents and coating materials can be highly flammable or combustible when sprayed ALWAYS refer to the coating material supplier s instructions and COSHH sheets before using this equipment Users must comply with all local and national codes of practice and insurance company requirements governing ventilation fire precautions operation and house keeping of working areas This equipment as supplied is NOT suitable for use with Halogenated Hydrocarbons Static electricity can be generated by fluid and or air passing through hoses by the spraying process and by cleaning non conductive parts with cloths To prevent ignition sources from static discharges earth continuity must be maintained to the spray gun and other metallic equipment used It is essential to us
3. Atmospheres protection level Il 2 G X This product also complies with the requirements of the EPA guidelines PG6 34 Transfer efficiency certificates are available on request D Smith General Manager 3 January 2013 Finishing Brands UK Limited reserves the right to modify equipment specification without prior notice Part Numbers The ordering code for the GTIPRO LITE Spray gun is E g PROL HV30 12 where HV30 HV30 Aircap 12 1 2 Nozzle see charts 1 amp 2 p13 for available Aircap Nozzle sizes Operational Description This GTIPRO LITE Spray Gun is a professional quality gun designed with both high volume low pressure HVLP technology or High Efficiency EPA compliant technology HVLP Technology reduces overspray and limits air cap pressure to 0 7 bar 10 psi High Efficiency complies with EPA by obtaining transfer efficiency above 65 IMPORTANT These Sprayguns are suitable for use with both waterbased and solvent based coating materials These guns are not designed for use with highly corrosive and or abrasive materials and if used with such materials it must be expected that the need for cleaning and or replacement of parts will be increased If there is any doubt regarding the suitability of a specific material contact your DeVilbiss Distributor or DeVilbiss direct NOTE This gun is not to be used with halogenated hydrocarbon solvents or cleaning agents such as 1 1 1 Trichloroethane or methylene chloride These solv
4. Increase air pressure and rebalance gun Air pressure to cine Reduce air pressure Excessive overspray cine too far from work surface Adjust to correct distance Air pressure too high Reduce air pressure Adjust to correct distance Dena Gun too far from work surface Spray Slow down Gun motion too fast Eli iow toollau Wind out needle adjusting screw or use larger nozzle size Boke enone Packing worn Replace packing nut Fluid nozzle or fluid needle worn or Replace fluid nozzle and fluid damaged needle Low atomisation air pressure Fluid leaking or dripping Foreign matter in fluid nozzle Clean from front of gun Fluid needle dirty or stuck in needle Clean packing Wrong size fluid needle or fluid Replace fluid nozzle and fluid nozzle needle Fluid dripping or leaking Cup loose on gun Tighten rom Revoir cue Cup fluid inlet seat dirty Clean Too much material flow Turn fluid adjusting knob clockwise Runs and sags Material too thin Gun tilted on an angle or gun motion too slow or switch to smaller fluid nozzle and fluid needle size Mix correctly or apply light coats Hold gun at right angle to work and adapt to correct gun technique 2013 Finishing Brands UK Ltd 15 ACCESSORIES DGi PRO Digital oak Pressure DGIPRO 502 BAR Ac Gun Stand GFV 50 F Gauge a 600 cc Mixing Spanner i Cups pack of MC 1 K50 itas 50 10m x 8mm bore rubber air H 6065 B B
5. See fig 27 3 Remove fluid needle 24 from gun body See fig 28 4 Remove fluid nozzle using 10mm Spanner 56 See fig 29 5 Remove spray head 9 and Seal 10 See fig 30 6 Remove seal 10 from spray head See fig 31 7 Clean front of gun if required using a soft brush as well as the fluid nozzle air cap and retaining ring 8 Place a new seal 10 into the front of the gun making sure the flat of the seal is aligned to the flat in the gun See fig 32 9 Fit the spray head 9 making sure the pin is engaged into the hole in the gunbody See fig 33 10 Fit fluid nozzle 8 air cap and retaining Ring 6 Torque the fluid nozzle to 18 20 Nm 160 180 lbs in Do not over torque the fluid nozzle See figs 34 and 35 11 Reassemble remaining parts in reverse order fluid needle 24 Needle spring and pad 29 and fluid adjusting knob 28 12 Trigger gun fully and screw in fluid adjusting Knob 28 until it stops Back it off 1 2 turn and gun will have full needle travel 13 Trigger gun several times to verify correct operation 12 2013 Finishing Brands UK Ltd Parts Replacement Maintenance Chart 1 Air Caps RECOMMENDED PART No FOR MARKING ON INLET AIR CAP TECHNOLOGY AIR CAP PRESSURE bar HIGH js 2 AIR FLOW L min 2 bar HIGH NOTE When removing air cap from retaining ring don t remove the Slip Ring 2 or Retaining Ring Seal 5 f
6. T20 key See fig 2 2 Remove trigger stud 40 and remove trigger 39 See fig 3 3 Remove fluid adjusting knob 28 and spring 29 See fig 4 4 Remove fluid needle 24 See fig 5 5 Using a 6mm hex key remove Valve housing 27 See Figs 6 and 7 6 Remove spring 21 and valve spindle 20 See Fig 8 7 Using service tool 53 engage groove behind the valve seat 19 See Fig 9 8 Withdraw the valve seat 19 from the gun body See fig 10 9 Push out the front airvalve seal 18 witha finger See fig 11 10 Turn the Gun upside down and let the seal fall out See fig 12 11 Fit New front seal 18 to service tool 53 Fit into gunbody and press firmly to ensure Seal is engaged See fig 13 2013 Finishing Brands UK Ltd 9 12 Fit a new valve seat 19 to service tool 53 Groove must face outwards See fig 14 13 Fit valve seat 19 to gunbody See fig 15 14 Remove rear airvalve seal 22 from housing 27 with a hooked instrument See fig 16 15 Fit new seal 22 to service tool 53 Groove must face outwards Press seal 22 to housing 27 See fig 17 16 Reassemble remaining parts in reverse order valve 20 spring 21 housing 27 and tighten with 6mm hex key needle 24 spring 29 and knob 28 Replace trigger 39 fitting trigger stud 40 screw in the trigger screw 38 with Key 55 or Torx Key T20 17 Trigger gun fully and screw in fl
7. cup DO NOT OVERFILL 3 Attach Cup Lid 4 Turn fluid adjusting knob 28 clockwise to prevent fluid needle movement 5 Turn spreader valve adjusting knob 16 counter clockwise to fully open 6 Adjust inlet air pressure if required 7 Turn fluid adjusting knob 28 counter clockwise 5 turns for full needle travel 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 28 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 16 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 at a constant speed 14 Always turn off air supply and relieve pressure when gun is not in use PREVENTIVE MAINTENANCE amp CLEANING To clean air cap and fluid nozzle brush exterior with a stiff bristle brush If necessary to clean cap holes use a broom straw or toothpick if possible If a wire or hard instrument is used extreme care must be used to prevent scratching or burring of the holes which will cause a distorted spray pattern To clean fluid passages remove excess material from cup then flush with gun wash solution Wipe t
8. SP TO OHYC SAAND hose with 4 H 6065 N NPS RP fittings i Pack of four ss Cleaning Brush mear QD fittings MPV 463 ie f Cleaning Brush 4900 5 1 K3 MPV Swivel Torx driver SPN 8 K2 WARRANTY This product is covered by Finishing Brands UK Limited one year warranty Finishing Brands UK Limited Ringwood Road Bournemouth BH11 9LH UK Tel No 01202 571111 Fax No 01202 581940 Website address http www finishingbrands eu Registered office Finishing Brands UK Limited 400 Capability Green Luton Bedfordshire LU1 3AE UK Registered in England No 07656273 Vat No GB 113 5531 50 16 2013 Finishing Brands UK Ltd
9. ap centre hole opening remove by washing with solvent 2 If the defect is not inverted it is on the fluid nozzle Clean nozzle If problem persists renew nozzle Heavy 2 Spreader adjustment valve set too Turn out counter clockwise to centre Zan low achieve correct pattern pattern Atomising pressure too low Increase pressure Material too thick Thin to correct consistency Split spray Air pressure too high Reduce at regulator or gun handle pattern Fluid adjusting knob turned in too Turn out counter clockwise to far achieve correct pattern Spreader adjusting valve set too Turn in clockwise to achieve high correct pattern Loose or damaged fluid nozzle seat Tighten or replace Loose or broken cup fluid nipple Tighten or replace cup Material level too low Refill Container tipped too far Hold more upright Obstruction in fluid passage Back flush with solvent Loose fluid needle packing nut Tighten Damaged fluid needle packing Replace Paint bubblesincup Fluid nozzle not tight Lg to 18 20 Nm 160 180 Cup lid loose Push in or replace Fluid leaking or dripping from cup Dirty cup or lid Clean lid Cracked cup or lid Replace cup and lid 2013 Finishing Brands UK Ltd Troubleshooting Possible Problems in Operation cont Wind fluid adjusting knob out or Inadequate material flow change to larger fluid nozzle size Starved spray pattern Clean lid and unblock vent Blocked vent in Cup lid
10. at all times when spraying Operating Spray equipment using high pressures may be subject to recoil forces Under certain circumstances such forces could result in repetitive strain injury to the operator 2013 Finishing Brands UK Ltd 5 PARTS LIST z DESCRIPTION PART NO Es E DESCRIPTION PART NO ae Ring Ut Airinet Air Inlet Colours eue Air Cap Retaining Clip JGA 156 K5 pee rs Air Inlet Kit SN 9 K EE Retaining Ring Sea EEICT Needle Packing memes eals See chart 2 Packing Spring and ete Spray Head aa Est Trigger Screw Spray head kit SN 69 K Ea WoR Stud p fpe EEE a gem serene Spreader Valve A lees PRO 406 K Valve Body Assembly De vase pa ep ee 22 Rear Valve Seal RE LE Drip Check Lid kit of 5 GFC 2 K5 ES Ep Air Valve Kit PRO 471 ES Gravity Cup Kit GFC 501 24 Fluid Needle PRO 301 K Air Valve Service Tool EEE EJ Needle Spring Tool kit SN 406 Spring Pad SERVICE PARTS Spray Gun repair kit includes items marked Seal and Pin Kit kit of 5 items 12 14 and 15 Not included in the Gun Kit only with ref 23 53 54 27 Housing SN 66 K 1 PRO 470 28 Fluid Adjusting Knob SN 67 C K 1 GTI 428 K5 29 PRO 472 K3 1 Needle Spring Kit O 2013 Finishing Brands UK Ltd 2013 Finishing Brands UK Ltd INSTALLATION For maximum transfer efficiency do not use more pressure than is necessary to atomise the material being applied NOTE when using the HVLP do not exceed 1 75 bar
11. e conductive air and or fluid hoses gt gt amp Personal Protective Equipment Toxic vapours When sprayed certain materials may be poisonous create irritation or be otherwise harmful to health Always read all labels safety data sheets and follow any recommendations for the material before spraying 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 2 9 PO Gloves must be worn when spraying or cleaning the equipment Training Personnel should be given adequate training in the safe use of spraying equipment Misuse Never aim a spray gun at any part of the body Never exceed the maximum recommended safe working pressure for the equipment The fitting of non recommended or non original spares may create hazards Before cleaning or maintenance all pressure must be isolated and relieved from the equipment The product should be cleaned using a gun washing machine and should be removed and dried immediately after cleaning is completed Prolonged exposure to cleaning solutions can cause damage to the product Noise Levels The A weighted sound level of soray guns may exceed 85 dB A depending on the set up being used Details of actual noise levels are available on request It is recommended that ear protection is worn
12. ents can react with the aluminium components used in this gun and cup The reaction can become violent and lead to an equipment explosion 2013 Finishing Brands UK Ltd 3 Kit contents all models GTIPRO LITE Gravity Feed Spraygun Spanner 10mm and 14mm A F GFC Gravity feed cup Torx Flat blade screwdriver Cup Filter Cleaning Brush Set of 4 coloured identification rings Service bulletin Construction Features a Fan Air Adjustment stepless regulation for fan Air Cap nickel plated brass for long durability to round spray Air Cap Retaining Ring allows easy rotation of air 14 Fluid Adjustment stepless regulation of fluid Cap volume Interchangeable Colour ID System 4 coloured 3 Fluid Nozzle ideal for most paint systems rings supplied J 6 7 Anodised forged aluminium gun body Fluid Needle grooved stem for easy removal 13 ergonomic good looking amp durable easy to clean Fluid Inlet 3 8 BSP thread accepts DeVilbiss and 14 500cc Acetal Cup easy clean anti static most other cup systems Air Inlet universal thread accepts G 1 4 amp 1 4 NPS Cup Lid with Drip Free Vent avoid drips Self Adjusting Needle Packing for trouble free 16 Air Valve design offers low pull force amp low operation pressure drop Tri Gun acceptable for waterborne and solvent rigger ergonomic for comfort ME ee applications Materials of Construction Gun Body Air Cap Fluid Nozzle Fluid Needle Fluid Inlet
13. he gun exterior with a dampened cloth Never completely immerse in any solvent or cleaning solutions as this is detrimental to the lubricants and life of the spray gun NOTE When replacing the fluid nozzle or fluid needle replace both at the same time Using worn parts can cause fluid leakage See page 13 Chart 2 Also replace the needle packing at this time Torque the fluid nozzle to 18 20 Nm Do not over tighten CAUTION To prevent damage to fluid nozzle 8 or fluid needle 24 be sure to either 1 pull the trigger and hold while tightening or loosening the fluid nozzle or 2 remove fluid adjusting knob 28 to relieve spring pressure against needle collar CAUTION IMPORTANT the Gravity cup is made from special anti static materials but it is still important to avoid generating static charges The Cup must not be cleaned or rubbed with a dry cloth or paper It is possible to generate a static charge by rubbing which if discharged to an earthed object could create an incendive spark and cause solvent vapours to ignite Only use a dampened cloth or antistatic wipes if manual cleaning is required within a hazardous area 2013 Finishing Brands UK Ltd Parts Replacement Maintenance AIR VALVE INSTRUCTIONS Servicing Air Valve Reasons to service air valve Air valve not functioning correctly may need cleaning B Routine maintenance C Air leaks 1 Remove trigger screw 38 with Torx tool 55 or Torx
14. inlet pressure 1 Connect the gun to a clean moisture and oil free air Supply using a conductive hose of at least 8 mm I D NOTE Depending on hose length larger I D hose may be required Install an air gauge at the gun handle When gun is triggered on adjust regulated pressure to 2 0 bar for High Efficiency Aircaps and 1 75 bar for HVLP Do not use more pressure than is necessary to atomise the material being applied Excess pressure will create additional overspray and reduce transfer efficiency NOTE If quick connect couplings are required use only high flow quick connects approved for HVLP use Other types will not flow enough air for correct gun operation NOTE If an air adjusting valve is used at the gun inlet use DGIPRO 502 BAR Digital Gauge Some competitive adjusting valves have significant pressure drop that can adversely affect spray performance The DGIPRO Digital Gauge has minimal pressure drop which is important for HVLP spraying 2 Insert the filter 48 into the inlet of the Gravity Cup Make sure the body of the filter is pushed fully so the body of the filter does not protrude from the cup insert ia 3 Attach the gravity feed cup A to the material inlet NOTE Before using the gun flush it with solvent to ensure that the fluid passages are clean OPERATION 1 Mix coating material to manufacturer s instructions and strain material 2 Fill the cup to no more than 20 mm from the top of the
15. rom the Retaining Ring Damage to the 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 amp Fluid Needle PART No ON FLUID NOZZLE PART No NEEDLE PRO 200 12 K PRO 200 13 K PRO 301 K PRO 200 14 K NOTE When replacing the fluid nozzle or fluid needle replace both at the same time Torque to 18 20 Nm 160 180 lbs in Do not over tighten the fluid nozzle Use SN 28 56 10mm Spanner supplied with the gun and check with a torque wrench 2013 Finishing Brands UK Ltd 13 Troubleshooting Possible Problems in Operation CONDITION CAUSE CORRECTION Heavy top or lt d Horn holes plugged Clean Ream with non metallic bottom A point pattern d i Obstruction on top or bottom of fluid Clean nozzle Cap and or nozzle seat dirty Clean Left or right side horn holes plugged Clean Ream with non metallic point Dirt on left or right side of fluid nozzle Clean Heavy right or left side pattern Remedies for the top heavy bottom heavy right heavy and left heavy patterns 1 Determine if the obstruction is on the air cap or the fluid nozzle 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 Also check for dried paint just inside the c
16. uid adjusting Knob 28 until it stops Back it off 1 2 turn and gun will have full needle travel 18 Trigger gun several times to verify correct operation 10 2013 Finishing Brands UK Ltd Parts Replacement Maintenance NEEDLE PACKING REPLACEMENT INSTRUCTIONS 1 Remove trigger and needle following steps 1 to 6 on P9 servicing airvalve 2 Loosen and remove packing nut using Key 57 or a straight blade screwdriver See figs 18 amp 19 3 Discard old packing 34 and packing spring 35 if replacing Clean packing if reusing Also clean packing spring and nut 36 See fig 20 4 Re assemble the packing assemble into gunbody by hand and then tighten See fig 21 5 Complete re assembly following 16 to 24 on P10 SPREADER VALVE ASSEMBLY REPLACEMENT MAINTENANCE The spreader valve assembly can be replaced if damaged Remove using 14 mm Spanner 56 See figs 22 amp 23 The internal seal can be replaced and is included in the Gun Rebuild Kit See fig 24 FLUID SUPPLY INSERT The fluid insert and seal are NOT replaceable See fig 25 Do not remove these parts No maintenance is required for these parts other than regular cleaning of the internal bore 2013 Finishing Brands UK Ltd 11 Parts Replacement Maintenance SPRAY HEAD SEAL REPLACEMENT 1 Remove air cap and retaining ring 6 See fig 26 2 Remove fluid adjusting knob 28 spring 25 and spring pad 26
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