MVP ATG Series, Manual

Page 1: ...ATG Gelcoat Gun Manual This manual is applicable to the following models ATG 3500 ATG 6500 Rev February 2019 ...

Page 2: ...brow Ln Knoxville TN 37932 USA Tel 865 684 4416 TECHNOLOGY CENTER AND MANUFACTURING 1862 Ives Ave Kent WA 98032 USA Tel 253 854 2660 Fax 253 854 1666 E mail info mvpind com For a list of international distributors visit our website at www mvpind com mvp international Use of this product confirms that Magnum Venus Products Inc s standard terms and conditions of sale apply ...

Page 3: ...l Page 3 Table of Contents Section Page Table of Contents 3 Safety Warning Information 4 Introduction 15 Disassembling the Gun 16 Servicing Gun Handle 16 Repairing Cylinder 17 Repairing Gun Head 17 Troubleshooting 20 Parts Drawings 21 ...

Page 4: ...Act OSHA Documentation 1910 94 Pertaining to ventilation 1910 106 Pertaining to flammable liquids 1910 107 Pertaining to spray finishing operations particularly paragraph m Organic Peroxides and Dual Component Coatings For Additional information contact the Occupational Safety and Health Administration OSHA at https www osha gov about html Recommended National Fire ProtectionAssociation NFPA Docum...

Page 5: ...therwise Cured laminate accumulations of overspray and laminate sandings are highly combustible Do not operate or move electrical equipment when flammable fumes are present Ground all equipment If a spark is seen or felt immediately halt operation Do not operate the equipment until the issue has been identified and repaired Contaminated catalyst may cause fire or explosion Containers may explode i...

Page 6: ...iate medical attention Inhalation Move the person to fresh air and seek immediate medical attention Do not remove shields covers or safety features on equipment that is in use Never place fingers hands or any body part near or directly in front of the spray gun fluid tip The force of the liquid as it exits the spray tip can shoot liquid through the skin Keep hands and body parts away from any movi...

Page 7: ...ion Indicates the risk of contact with moving components that may lead to serious injury or death Indicates that the system or component should be grounded before proceeding with use or repair Indicates the use of lit cigarettes or cigars is prohibited because the materials being used are susceptible to combustion Indicates that the materials and or the process being performed can lead to ignition...

Page 8: ...nent Organ System Target Possible Target Known Possible Health Effect Aramid fibers Skin lungs Skin and respiratory irritation contact dermatitis chronic interstitial lung disease Carbon graphite fibers Skin lungs As noted for aramid fibers Glass fibers continuous filament Skin lungs As noted for aramid fibers Hardeners and curing agents Composite Component Organ System Target Possible Target Know...

Page 9: ...is 10 000 psi per second Some forms of MEKP if allowed to reach their SADT will burst even an open topped container This suggests that it is not possible to design a relief valve to vent this order of magnitude of pressure rate of rise The user should be aware that any closed container be it a pressure vessel surge chamber or pressure accumulator could explode under certain conditions There is no ...

Page 10: ...zardous situation may be present in your pressurized fluid system Hydro carbon solvents can cause an explosion when used with aluminum or galvanized components in a closed pressurized fluid system pump heaters filters valves spray guns tanks etc An explosion could cause serious injury death and or substantial property damage Cleaning agents coatings paints etc may contain Halogenated Hyrdrocarbon ...

Page 11: ...eir not being classified as toxic or carcinogenic substances HHC solvents are very desirable in many respects WARNING Do not use Halogenated Hydrocarbon HHC solvents in pressurized fluid systems having aluminum or galvanized wetted parts Magnum Venus Products is aware of NO stabilizers available to prevent HHC solvents from reaction under all conditions with aluminum components in closed fluid sys...

Page 12: ...ulations of overspray Fiberglass Reinforced Plastic FRP sandings etc from the building as they occur If this waste is allowed to build up spillage of catalyst is more likely to start a fire in addition the fire would burn hotter and longer Floor coverings if used should be non combustible Spilled or leaked catalyst may cause a fire if it comes in contact with an FRP product over sprayed chop or re...

Page 13: ... as it exits the spray tip can cause serious injury by shooting liquid through the skin NEVER LOOK DIRECTLY INTO THE GUN SPRAY TIP OR POINT THE GUN AT OR NEAR ANOTHER PERSON DANGER Contaminated catalyst may cause fire or explosion Before working on the catalyst pump or catalyst accumulator wash hands and tools thoroughly Be sure work area is free from dirt grease or resin Clean catalyst system com...

Page 14: ...ly depends upon the nature of the chemical Emergency Stop Procedure In an emergency follow these steps to stop a UPS System 1 The ball valve located where the air enters the power head of the resin pump should be moved to the OFF or closed position Note The open or on position is when the ball valve handle is parallel in line with the ball valve body The closed or off position is when the ball val...

Page 15: ...s guns are some of the most advanced state of the art guns introduced into the composites industry They feature low maintenance few adjustments superb quality and a long service life The AT series guns are air trigger guns as the trigger is pulled air is shifted from one side of a piston to the other The pistons are attached to the gun needles and the air shifting opens and closes the needles The ...

Page 16: ...ack of the gun head Servicing Gun Handle Disassemble Handle 1 Loosen the set screw holding the trigger button assembly and remove the button 2 Unscrew and remove the trigger lock 3 Remove the trigger housing 4 Remove the trigger valve assembly from the front of the gun 5 Remove the refinement air adjustment screw and spring from the side of the gun 6 Unscrew the refinement air packing nut from the...

Page 17: ...e of the trigger button to hold in place 16 Replace the O rings in the air refinement needle valve on the side of the handle Note The Buna black O ring is first followed by the Teflon white O ring 17 Install the packing nut turning just until it stops 18 Place the spring onto the refinement air needle 19 Lubricate with Super O Lube and install the refinement air needle into the side of the gun 20 ...

Page 18: ... reverse threaded It will unscrew counter clockwise from the valve back 4 Replace the O rings on the valve front and the O ring between the valve front and valve back 5 Use a drop of removable thread lock compound on the valve front threads and thread into the valve back 6 Set the catalyst spool aside for now 7 Install a new O ring onto the catalyst cylinder on the gun head 8 Remove the two set sc...

Page 19: ...idge assembly from the front of the gun 15 Pull the resin needle piston assembly from the back of the gun head 16 Replace the O ring on the resin needle piston 17 Remove the packing retainer from the back of the gun head and replace the O ring with a new one 18 Replace the packing retainer back into the back of the gun head 19 Replace the O ring for the resin cylinder seal 20 Replace the two tip p...

Page 20: ...ssible Cause Remedy Air leaking form exhaust port on back of handle while trigger is in OFF position O ring material worn or cut Replace O rings O rings on catalyst piston worn or cut O rings on trigger valve worn or cut Air leaking from exhaust port on back of handle while trigger is either OFF or ON O rings on trigger valve worn or cut Replace O rings O rings on catalyst valve and or material pi...

Page 21: ... Worn needle packing Replace packing and adjust as indicated in manual Parts Drawings The following illustrated parts breakdown drawings for the various gun options are included Applicable Parts Part Number Description ATG 3500 External Mix Gelcoat Gun ATG 3500 A External Mix Gelcoat Gun Automatic ATG 3500 FIT External Mix Gelcoat Gun FIT ATG 3500 FIT A Gelcoat Gun FIT Automatic ATG 3500 FIT A INT...

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Page 73: ...A Tel 865 686 5670 DISTRIBUTION AND PURCHASING 642 Barbrow Ln Knoxville TN 37932 USA Tel 865 684 4416 TECHNOLOGY CENTER AND MANUFACTURING 1862 Ives Ave Kent WA 98032 USA Tel 253 854 2660 Fax 253 854 1666 E mail info mvpind com For a list of international distributors visit our website at www mvpind com mvp international ...