Sears 919.15516 User's Manual
Contents
1. The standard air cap fluid tip and needle combination furnished with the spray gun are ideal for suction feed spraying on medium to large objects where a high quality finish is desired such as automobile and boat refinishing An optional air cap is available for smaller painting jobs and or use with lower HP com pressors A kit is also available for converting the spray gun for use with a remote pressure feed tank The part numbers of these accessories are given in the back of this manual page 11 This Spray Gun is a non bleeder type which is compat ible with Sears and most other modern compressors The gun has a builtin air valve which shuts off the air flow through the gun whenever the trigger is released A non bleeder type gun is normally used when air pressure to the gun is accurately controlled by an air regulator in such a manner that releasing the trigger will not cause a pressure build up in the air line The air is normally sup plied from an air compressor having either an automatic start stop arrangement or an automatic unloader Note This gun may be used with most all common coating and finishing materials However it is not designed for use with corrosive rust induc ing or highly abrasive materials If used with materials such as these you must clean fre quently and thoroughly It may be necessary to replace parts more often AIR CAPS External Mix The air and material are mixed outside the air cap Thi2. or lubricate See Mainte nance See page 7 Lubricate See page 7 Lubricate See page 7 Adjust See page 5 Reduce pressure and readjust Remix or spray light coats Hold gun at right angle to work Reduce Check distance See Hints for Good Spraying Results on page 6 Move at moderate pace parallel to work sur face See Hints for Good Spraying Results on page 6 Remix Reduce Move gun closer to surface See Hints for Good Spraying Results on page 6 Reduce pressure Follow paint manufacturer s instructions Move gun away from the surface See Hints for Good Spraying Results on page 6 Increase air pressure or reduce fluid pressure Follow paint manufacturer s instructions Mix thoroughly Properly clean and prepare surface SPRAY GUN DIAGRAM A 37 6 LN erie a7 o JER A ME 7 A i rs J e 38 2 9 2 Fluid Inlet 24 25 26 27 28 29 14 Nipple 3 8 NPS M 10 13 ae tsa MEA VA NPS M 11 36 1 A F 0 10 NO PART NUMBER 1 SGE 4039 180 2 AV 601 EX 3 AV 1 4 JGA 1225 5 23165 001 6 JGA 51 T P JGA 2 2 8 JGA 7 9 94 411 122 10 JGA 35 11 JGA 108 12 A 42 13 SGE 37 14 JGS 72 15 JGA 17 16 JGA 402 DEX 17 MBD 19 18 JGS 16 19 JGA 4004 9 15968 Repair Kit PART NO SGE 439 158 KK 4474 NOTE YOU SHOULD NEVER USE COMBINATIONS OTHER THAN STATED IN ABOV
3. set on a waste container or off to one side of the tank shell Note The hose cleaner cannot be used with a pump Pump must be run with proper solvent to clean 4 Clean inside of container and lid Wipe down gun with a rag dampened with cleaning solvent 5 Without a hose cleaner remove excess material from cup or tank and clean Set up cup tank or pump to operate with clean cleaning solvent Turn off atomiza tion air to gun Trigger gun into a waste container Continue flushing until cleaning solvent is clear Blow air through hose to dry Wipe hose and gun with a rag dampened with cleaning solvent 6 Clean air cap and lubricate gun per instructions given below AIR CAP CLEANING Remove the air cap and if dirty with dry paint let it soak in clean solvent Later brush and wipe off the air cap If any holes in the cap are clogged probe them with a toothpick Don t use wire nails or metal tools This may damage the holes and result in imperfect spray patterns Lubrication After each use place drop of oil on points shown Springs behind the fluid needle and air valve should have a light coat of grease Trigger Bearing Screw Fluid Needie Packing Fluid Needle Fluid inlet e g paint Oil Fluid Needle to Lubricate Packing Air Valve Packing Air Valve Spring PROBLEM Heavy top or bottom pattern 4 Heavy right or left side pattern Heavy center pattern Split spray pattern TRO
4. E CHART OR AS PROVIDED STANDARD ON YOUR GUN YOU MAY NOT GET GOOD PERFORMANCE WITH OTHER COMBINATIONS DESCRIPTION Air Cap amp Retaining Ring Assembly Conversion Kit PARTS LIST KEY NO DESCRIPTION Air Cap Retaining Ring Suction Feed Fluid Tip Suction Feed Gasket Baffle O Ring Lock Nut Nipple Packing Packing Nut Trigger Bearing Stud Trigger Screw Nipple Gasket 2 used Bushing Fluid Needle Spring Adjusting Screw Fan Adjustment Assembly incl Key 20 22 amp 37 20 21 22 23 24 25 PART NUMBER TD583031 STD302008 JGA 4003 JGS 449 JGA 14 JGA 15 JGS 26 JGK 10 JGS 431 MBD 12 SGE 48 SGE 47 SGE 27 SGE 15 SGE 45 SGE 405 SGE 403 JGS 143 1 SGE 410 OPTIONAL ACCESSORIES The following parts may be ordered from your Sears Service Center to add to the versatility of your gun USES tip and needle supplied on the gun SCFM 40 PSI DESCRIPTION Retaining Ring O Ring Adjusting Screw Assy Air Valve Assembly incl Key 24 29 amp 14 Snap Ring Washer U Cup Seal Vaive Body Air Valve Assembly Spring Swivel Nut Adapter Yoke Cam Gasket Lid Tube Assembly Cup Assembly Valve Body Gun Body This kit contains all the O rings gaskets and packing parts necessary to keep your spray gun in top working condition Includes Key Nos 3 5 8 10 12 14 17 20 21 26 28 amp 29 This is an external mix suction feed air cap assembly whi
5. SEARS OWNERS MANUAL PROFESSIONAL MODEL CRAFTSMAN SPRAY GUN WITH A DRIP EREE CUP IMPORTANT INSTALLATION eadine OPERATION Carefully Before Operating MAINTE NANCE PARTS LIST Sears Roebuck and Co Chicago IL 60684 U S A 2 44 3 10 87 TABLE OF CONTENTS Page WE eh e 3 denied ad 3 WARNING ont 4 AIR REQUIREMENTS cece eee 4 GENERAL INFORMATION o an cece cence eee 5 Spray 5 Al Cap eee ane ea et eRe a eR re ea 5 PREPARATION FOR SPRAYING oaaae cece cee ee eee 5 CONVERTING TO REMOTE PRESSURE FEED 6 OPERATION 6 HINTS FOR GOOD 5 5 6 MAINTENANCE a aa a tice 7 8 SPRAY GUN 10 PARTO EO ee re ene eee ere eee 11 FULL ONE YEAR WARRANTY CRAFTSMAN SPRAY GUNS li this Craftsman Spray Gun fails due to a defect in material or workmanship within one year from the date of purchase RETURN IT TO THE NEAREST SEARS SERVICE CENTER DEPARTMENT THROUGHOUT THE UNITED STATES AND SEARS WILL REPAIR IT FREE OF CHARGE This warranty gives you specific legal rights
6. UBLESHOOTING GUIDE CAUSE Material build up on air cap or fluid tip Partially plugged horn holes center holes or fluid tip hole Too much material Material too thick Not enough material Insufficient material CORRECTION Determine where material build up is by invert ing cap and test spraying If pattern shape stays in same position the condition is caused by material build up on fluid tip If pattern changes with cap movement the condition is in the air cap Soak cap or tip in suitable solvent and wipe clean To clean orifices use a broom straw or toothpick Never use a wire or hard instrument This damages holes and distorts spray pattern Reduce fluid flow or increase air pressure Thin material Reduce air pressure or increase fluid flow Fill material container Jerky or fluttering spray Improper spray pattern Unable to get round spray Will not spray No air pressure at gun Gun with cup tipped at excessive angle Obstructed fluid passage or hose Loose fluid tip or damaged tip seat Most common cause Loose or cracked fluid tube in cup or pressure tank Too heavy fluid for suction feed Dry or worn packing or loose packing nut Gun improperly adjusted Dirty air cap Fluid tip obstructed Sluggish needle Fan adjustment stem not seating properly Internal mix air cap used with suc tion feed Fluid pressure too low with inter nal mix cap and pressure
7. aces of material are removed 5 Turn off air supply to gun 6 To clean vent hole shut off air to gun hold the trigger back and invert cup over solvent container Allow sol vent to drip out vent hold in lid until clear solvent is seen 7 Wipe the outside of the spray gun and cup with a solvent soaked cloth 8 Clean air cap and lubricate gun per instructions given in Air Cap Cleaning Pressure Feed Clean Up 1 First turn off air supply to material source cup tank or pump Release material pressure from the system by opening relief valve or pulling trigger on gun 2 On a pressure cup or tank material in hoses may be drained back Lid must be loose and all air pressure off Keep gun higher than container and pull the trig ger Allow material to drain back into the container Pour off remaining material Note Do not immerse the gun in solvent this will wash out the lubricants and dry out packings 3 Equipment such as a commercial hose cleaner can be used to clean inside of fluid hose gun and fluid tube in cup or tank Connect fluid hose to hose cleaner Open air valve at hose cleaner Pull trigger on gun and slowly open cleaning solvent valve on hose cleaner Flush until clean Shut off mixing valve when solvent and air discharge is clear Allow air to dry passages and then shut air valve at hose cleaner To clean cup or tank lid repeat with hose connected to hose cleaner Lid of cup or tank should be
8. and you may also have other rights which vary from state to state Sears Roebuck and Co Sears Tower Dept 698 731A Chicago IL 60684 SAFETY GUIDELINES This manual contains information that is important for you to know and understand This information relates to YOUR SAFETY and PREVENTING EQUIPMENT PROBLEMS To help you recognize this information we use the following symbols Please read the manual and pay attention to those sections IMPORTANT SAFETY INFORMATION HAZARD THAT MIGHT CAUSE SERIOUS INJURY OR LOSS OF LIFE CAUTION information for preventing damage to equipment Note Information that you should pay special atten tion to WHAT TO LOOK FOR Flammable Spray Materials Toxic Vapors Compressed Air Pressurized Parts Explosion Hazard Incompatible Materials WARNING HAZARDS CAN OCCUR DURING NORMAL USE OF THIS EQUIPMENT PLEASE READ THE FOLLOWING CHART WHAT COULD HAPPEN When paints or materials are sprayed they are broken into very small particles and mixed with air This will cause certain paints and materials to become extremely flammable Some paints and coatings may be harmful if inhaled or allowed to come into contact with skin or eyes Compressed air may propel dirt metal shavings etc and possibly cause an injury Certain parts are under pressure whenever the gun is connected to a pressurized air line These parts may be propelled if the gun is disassemb
9. be sprayed through a 60 to 90 mesh screen or equivalent Set air pressure at 40 psi as a starting point CONVERTING TO REMOTE PRESSURE FEED 1 Remove suction cup and lid assembly by loosening amp removing the swivel nut 30 This will require a 32 open end wrench 2 The spray gun is now ready to be connected to any pressure feed tank with a standard straight pipe female connection not included PACKING NUT FLUID INLET e g paint FLUID NEEDLE TRIGGER AIR VALVE Refer to this picture when reading the Preparation for Spraying and Operation sections OPERATION 1 Shut off fluid flow through gun by turning fluid needle adjusting screw 18 clockwise as far as it will go Do not force 2 Keep the air pressure as low as possible 3 For fan pattern open turn counterclockwise the fan adjustment screw until it stops This is the full open position For round pattern the fan adjustment screw should be turned clockwise until the desired pattern is achieved 4 Hold the trigger back and gradually open the fluid needle adjusting screw until a desired pattern is obtained 5 Trigger the gun quickly one second on then release Spray a small test pattern 6 If the gun sprays too fast paint runs or sags lower the air and fluid pressure If too slow increase pres sure Adjust to balance pressure Note Refer to the troubleshooting guide on page 8 This guide is usef
10. ch is ideal for small painting jobs such as lawn and garden equipment and auto repair and touch up Air usage is lower requires 6 4 SCFM 40 PSI than the air cap assembly supplied on your gun This air cap assembly is used with the fluid This kit contains an air cap retaining ring fluid tip and fluid needle which are the optimum combination for painting with a paint tank pressure feed This kit will help you control your paint flow better It is especially good for spray ing thinned lacquers on large jobs such as auto refinishing It also works well with heavier bodied paints like primer and latex Air requirements are 12 4 SEARS OWNERS MANUAL SERVICE MODEL NO 919 155160 HOW TO ORDER REPAIR PARTS SI 2 44 3 10 87 CRAFTSMAN SPRAY GUN Now that you have purchased your Craftsman Spray Gun should a need ever exist for repair parts or service simply contact any Sears Service Center and most Sears Roebuck and Co stores Be sure to provide all pertinent facts when you call or visit The model number of your Craftsman Spray Gun will be found stamped on the gun handle Always mention the model number in all correspondence when ordering repair parts WHEN ORDERING REPAIR PARTS ALWAYS GIVE THE FOLLOWING INFORMATION e PART NUMBER e PART DESCRIPTION e MODEL NUMBER e NAME OF ITEM All parts listed may be ordered from any Sears Service Center and most Sears stores If the parts you need are not stocked locally your or
11. der will be elec tronically transmitted to a Sears Repair Parts Distribution Center for handling Sears Roebuck and Co Chicago IL 60684 U S A Printed in U S A
12. led The solvents 1 1 1 Trichloro ethane and Methylene Chloride can chemically react with the alu minum used in most spray equip ment and this gun and cup to produce an explosion hazard HOW TO PREVENT IT Never spray near open flames or pilot lights in stoves or heaters Never smoke while spraying Provide ample ventilation when spraying indoors Be certain to read the safety labels or data sheet from the material you are spraying Follow all safety precautions Use a mask or respirator whenever there is a chance that you might inhale anything you are spraying Read all instructions so that you know your mask will protect you from what you are spraying Never point any nozzle or sprayer toward a per son or part of the body Always wear safety goggles or glasses when spraying Disconnect the gun from the air line or com pletely depressurize the air line whenever the gun is to be disassembled Read the label or data sheet for the material you intend to spray 1 Do not use any type of spray coating material containing these solvents 2 Do not use these solvents for equipment cleaning or flushing 3 If in doubt as to whether a material is compat ible contact your material supplier AIR REQUIREMENTS Minimum SCFM required 40 PSI 9 6 GENERAL INFORMATION SPRAY GUN Your professional model Craftsman spray gun is sup plied complete with a drip free cup and air cap and is ready for use
13. s type of cap Is best suited for quick drying paints such as high quality latex lacquers etc and is capable of professional finishes To change air caps turn the retaining ring 1 counter clockwise and remove from gun Remove air cap and replace with different cap Reassemble in reverse order Note External mix air cap and fluid tip combinations are recommended for optimum performance and are available as accessories see page 11 for a listing of optional air caps and fluid tips The fluid tip is removed with a 1 2 socket When assembling be sure the copper gasket is in place and the tip is not cross threaded or over tightened 160 200 in Ibs Torque PREPARATION FOR SPRAYING Refer to picture on page 6 Your Craftsman spray gun is shipped completely assembled and set up for siphon suction feed spraying Installation is accomplished by connecting an air line to the air inlet nipple 13 This spray gun should be flushed with solvent prior to spraying with paint The fluid needle packing in this gun may be loose when received Tighten the packing until it grabs and holds the fluid needle then back off the packing retainer approx Y turn until the fluid needle is free to move Be sure the surface to be sprayed is dry and free of all dirt grease oil and loose paint Mix and prepare the paint according to the manufacturer s instructions The use of a Sears viscosimeter can be very helpful Strain the material to
14. tank Screw not open enough Fluid too heavy for suction feed Do not tip excessively or rotate fluid tube Clean Tighten or replace Tighten or replace Thin material or change to pressure feed Lubricate or replace Tighten Readjust gun following instructions carefully Clean air cap Clean Lubricate Clean or replace Check air lines Change to pressure feed Increase fluid pressure at tank Open fluid adjusting screw Change to pressure feed PROBLEM CAUSE TROUBLESHOOTING GUIDE continued CORRECTION Fluid leakage from packing retainer nut Dripping from fluid tip Runs and sags Excessive overspray Excessive fog Thin sandy coarse finish drying before it flows out Thick dimpled finish orange peel Too much material coarsely atomized Packing nut loose Packing worn or dry Dry packing Sluggish needle Tight packing nut Too much material for spray pace Material too thin Gun tilted on an angle Too much atomization air pressure Gun too far from surface Improper stroking i e arcing moving too fast Too much or quick drying thinner Too much atomization air pressure Gun too far from surface Too much air pressure Improper thinner Gun too close to surface Air pressure too low Improper thinner Material not thoroughly mixed Surface rough oily dirty Tighten but not so tight as to grip needle Replace packing
15. ul in setting up your spray gun as well as troubleshooting problems HINTS FOR GOOD SPRAYING RESULTS Hold the gun perpendicular to the surface 6 to 8 distance 9 Follow contour of object being sprayed 9 Overlap each stroke 50 9 Ends are feathered by triggering That is begin stroke before pulling trigger and releasing just before ending the stroke Spray edges and corners first This will reduce over spray while providing good coverage on corners Don t arc strokes move gun parallel to work Your pattern should normally be shaped like this If not see Troubleshooting guide pg 8 MAINTENANCE The recommended cleaning procedures for suction feed and pressure feed are given below The air cap cleaning and lubrication procedure are the same regardless of the type of feed set up used Be sure to follow these instruc tions after each use SPRAY GUN CLEANING Suction Feed Clean Up 1 Turn off air supply and remove cup from lid 2 Empty the material from cup and rinse with a clean solvent 3 Fill cup with solvent and attach to the lid Note Always clean with reduced air pressure An air pressure no greater than 15 to 20 PSI will allow quick and thorough cleaning of the cup and gun 4 Turn on the air supply and spray solvent through the spray gun While spraying shake the gun up and down to remove all excess material from the lid Repeat Steps 1 4 above with a clean solvent until all tr
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