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EN

CAUSE

TROUBLESHOOTING MECHANICAL PERFORMANCE

Fluid nozzle or sprayhead 
incorrectly fitted.

Replace with new needle.

Check fluid nozzle/needle 
selection chart and fit correct 
item.

Replace with new fluid nozzle.

Check for damage or blockage.

Paint build-up on air cap.

Thoroughly clean.

Gradual build-up of bounce-back 
on gun head.

Replace with new air cap.

Unable to get round spray

GENERAL FAULTS

Check for damage or blockage.

CORRECTION

Will not spray.

No air pressure at gun.

Fluid nozzle/needle leakage.

Excessive needle wear.

Remove, check components for 
damage and refit correctly.

Fluid needle adjustment knob 
not open enough.

Excessive fluid nozzle wear.

Open fluid needle adjustment 
knob.

Gun spits paint when triggering 
on and off.

Incorrect needle fitted to gun.

Damaged air cap holes.

Paint build-up on fluid tip.

Fluid nozzle not fitted correctly 
in gun head.

Check air supply and air line.

Tighten.

Tighten.

Fluid nozzle/needle leakage.

Gun spits paint when triggering 
on due to paint build-up inside 
air cap between spraying 
operations.

Fluid nozzle not fitted correctly 
in gun head.

SB-E-2-996 R1.0

15/24

www.carlisleft.com

Summary of Contents for DeVILBISS 905038

Page 1: ...Customer s responsibility to have all operators and service personnel read and understand this manual Contact your local Carlisle Fluid Technologies representative for additional copies of this manual II 2 G X Ex h II Gb X PROLite HVLP or High Efficiency Gravity Spray Gun SB E 2 996 R1 0 www carlisleft com ...

Page 2: ... PROLite spray gun is a professional quality spray gun designed to comply with all global legislations 12 bar 175 psi Gun Body Material P1 Max Static Air Input Pressure Electroless Nickel Plated Brass CONNECTIONS P1 Air Inlet Size Electroless Nickel Plated Brass Air Cap Material Air Cap Retaining Ring Sprayhead Adjusting Knobs Anodised Aluminum Solvent Resistant Seals and O Rings Chrome Plated Ste...

Page 3: ...not exceed 24 psi when using the HVLP cap HV30 to maintain compliance Air cap test kit 703541 is available to set the exact cap pressure For North America only the TE10 and TE20 air caps are only approved for the application of color coatings and clearcoats in regulated areas For compliance in regulated areas this spray gun must be used with a DeVilbiss spray gun mounted air adjusting valve HAV 51...

Page 4: ...TERIALS Can be highly flammable or combustible when sprayed Always refer to the coating supplier s instructions and safety sheets before using this equipment STATIC CHARGE Fluid may develop a static charge that must be dissipated through proper grounding of the equipment objects to be sprayed and all other electrically conductive objects in the dispensing area Improper grounding or sparks can caus...

Page 5: ...EN EXPLODED VIEW SB E 2 996 R1 0 5 24 www carlisleft com ...

Page 6: ...INING RING 1 7 REF DESCRIPTION PART No QTY 1 1 905301 PACKING SPRING 905303 VALVE SEAT 1 1 8 1 SPRAY HEAD KIT AIR VALVE ASSEMBLY AIR VALVE SPRING 905208 6 1 905282 FRONT VALVE SEAL REAR VALVE SEAL SPRAYHEAD GASKET KIT OF 2 1 NEEDLE PACKING CIRCLIP 905302 1 VALVE BODY CIRCLIP KIT OF 5 1 1 1 1 PACKING NUT 905200 NEEDLE SPRING KIT NEEDLE SPRING 1 1 VALVE ADJUSTING KNOB 1 1 1 905297 905287 BAFFLE PLAT...

Page 7: ... charges which may be created by fluid or air flows This can be achieved through the spray gun mounting or conductive air fluid hoses Electrical bond from the spray gun to earth should be checked and a resistance of less than 10 Ohms is required 905307 GRAVITY CUP LID GRAVITY CUP KIT QTY 1 DESCRIPTION 1 VALVE BODY 1 905204 AIR INLET 905207 1 1 905305 AIRFLOW VALVE 1 905306 TRIGGER STUD SCREW KIT 2...

Page 8: ...air adjusting valve HAV 512 HAV 555 or DIGIPRO 504 PSI which is in good working order For compliance the inlet pressure must not exceed 26 psi when used with the TE25 air cap This gun can also be used in unregulated areas with the TE25 air cap while using any coating For North America only the TE10 and TE20 air caps are only approved for the application of color coatings and clearcoats in regulate...

Page 9: ... be reduced by turning spreader valve knob 45 clockwise 10 Hold gun perpendicular to surface being sprayed Arcing or tilting may result in uneven coating 11 The recommended spray distance is 150 200mm 6 8 12 Spray edges first Overlap each stroke a minimum of 75 Move gun at a constant speed 13 Always turn off air supply and relieve pressure when gun is not in use To avoid premature degradation of p...

Page 10: ...will not flow enough air for correct gun operation NOTE To clean air cap and fluid nozzle brush exterior with a stiff bristle brush If necesarry to clean cap holes use a broom straw or toothpick if possible If a wire or hard instrument is used extreme care must be taken to prevent scratching or burring of the holes which will cause a distorted spray pattern To clean fluid passages remove excess ma...

Page 11: ...uid nozzle or fluid needle replace nozzle needle and fluid packing at the same time Using worn parts can cause fluid leakage Do not overtighten NOTE DISASSEMBLY NOZZLE NEEDLE 2 Remove the fluid adjusting knob to relieve spring pressure against needle collar 1 Pull the trigger and hold while tightening or loosening the fluid nozzle or SB E 2 996 R1 0 11 24 www carlisleft com ...

Page 12: ...EN DISASSEMBLY PACKING DISASSEMBLY AIR VALVE SB E 2 996 R1 0 12 24 www carlisleft com ...

Page 13: ...EN ASSEMBLY AIR VALVE SEALS SB E 2 996 R1 0 13 24 www carlisleft com ...

Page 14: ...EN SPREADER VALVE REPLACEMENT SB E 2 996 R1 0 14 24 www carlisleft com ...

Page 15: ...ressure at gun Fluid nozzle needle leakage Excessive needle wear Remove check components for damage and refit correctly Fluid needle adjustment knob not open enough Excessive fluid nozzle wear Open fluid needle adjustment knob Gun spits paint when triggering on and off Incorrect needle fitted to gun Damaged air cap holes Paint build up on fluid tip Fluid nozzle not fitted correctly in gun head Che...

Page 16: ... needle fitted to gun Slow fluid leak from fluid nozzle and needle seat Sluggish needle Check nozzle needle selection chart and fit correct item Contamination on needle or tip mating surfaces preventing good seal Lubricate packing Tighten or replace as necessary Tight packing nut Slow fluid leak from needle packing Fluid needle packing worn or loose Major fluid leak or fluid jetting from fluid noz...

Page 17: ...CORRECTION AIR FAULTS CAUSE Remove Air Valve Stem and thoroughly clean valve shaft and seating surfaces Small air leak from air cap when gun is not triggered Air Valve Stem contaminated and not correctly seating SB E 2 996 R1 0 17 24 www carlisleft com ...

Page 18: ...ECTION Heavy top or bottom pattern Paint or coating build up on air cap plugged horn holes centre holes or jets Soak cap or nozzle in suitable solvent and thoroughly clean Heavy right or left side pattern 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 obs...

Page 19: ...valve clockwise Fluid nozzle not seated correctly in gun head Remove fluid nozzle clean components check cone seating on tip and gun for damage or contamination Increase fluid flow by changing fluid nozzle size opening needle control knob or increase fluid pressure on pressure feed container Thin to correct consistency Heavy centre pattern Reduce fluid flow by turning fluid needle adjusting screw ...

Page 20: ...ion air cap Reduce air pressure Runs and sags Check distance normally 150 200mm 6 8 Too much air pressure Ball end heavy pattern Thin sandy coarse finish drying before it flows out Gun too far from surface Mount gun at right angle to work Fluid flow too low Increase fluid flow by changing fluid nozzle size supply pressure or turning needle control knob counter clockwise Gun tilted at an angle Too ...

Page 21: ...EN DIMENSIONS SB E 2 996 R1 0 21 24 www carlisleft com ...

Page 22: ...EN NOTES SB E 2 996 R1 0 22 24 www carlisleft com ...

Page 23: ...EN NOTES SB E 2 996 R1 0 23 24 www carlisleft com ...

Page 24: ...e Fluid Technologies is a global leader in innovative finishing technologies Carlisle Fluid Technologies reserves the right to modify equipment specifications without prior notice DeVilbiss Ransburg MS BGK and Binks are registered trademarks of Carlisle Fluid Technologies Inc 2020 Carlisle Fluid Technologies Inc All rights reserved For technical assistance or to locate an authorised distributor co...

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