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Duramax Gun Operations Manual

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Summary of Contents for DMX-3000

Page 1: ...Duramax Gun Manual This manual is applicable to the following models DMX 3000 DMX 3000 A DMX 3000 ITW DMX 3000 SIG DMX 3000 ST DMX 3000 W DMX 3000 W SIG Rev February 2019 ...

Page 2: ...ow 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: ...ns Manual Page 3 Table of Contents Section Page Table of Contents 3 Safety Warning Information 4 Introduction 15 Disassembling the Gun 16 Reassembling the Gun 21 Adjusting Needles 24 Troubleshooting 24 Parts Information 27 ...

Page 4: ...t 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 Documen...

Page 5: ...erwise 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 if ...

Page 6: ...te 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 moving...

Page 7: ...n 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 a...

Page 8: ...nt 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 Known ...

Page 9: ... 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 en...

Page 10: ...rdous 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 so...

Page 11: ...r 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 syste...

Page 12: ...ations 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 resi...

Page 13: ...xits 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 OR AN ANIMAL 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 syste...

Page 14: ...ly depends upon the nature of the chemical Emergency Stop Procedure In an emergency follow these steps to stop a 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 valve h...

Page 15: ...s routine replacements take only minutes This rugged gun features a carbide needle and seat standard and is the only gun on the market with built in shut off valves for resin and catalyst Now you can perform maintenance without the need to drain pressure or remove hoses To use the built in shut off valves tighten the catalyst and resin shut off needles into the fittings to prevent the material fro...

Page 16: ...excess fluid and air pressure from the system before disconnecting and working on the gun CAUTION Be careful not to bend the catalyst and resin needles to prevent damage to the shut off valves Initial Disassembly 1 Release catalyst resin and flush pressure from the system 2 Remove catalyst resin and flush lines from the gun block assembly 3 Remove the chopper assembly from the gun handle if applic...

Page 17: ...ring retainers and springs from the handle 9 Remove the valve body assembly from the handle 10 Remove the spring and poppet assembly 11 Unscrew the retainer from the valve body 12 Remove the O ring Disassemble Gun Head 13 Remove the needle guide and jam nut from the catalyst piston needle 14 Unscrew the packing nut from the catalyst side of the gun block ...

Page 18: ... 17 Remove catalyst seat and O ring from the gun block 18 Unscrew the resin seal housing from the gun head 19 Remove the needle guide and jam nut from the needle 20 Unscrew the packing nut from the seal housing 21 Pull the needle from the seal housing 22 Remove packing seal and seal retainer from seal housing 23 Unscrew the carbide seat from the gun head using an Allen wrench ...

Page 19: ...e catalyst injector out of the distribution ring 28 Remove the elongated O ring and the distribution ring from the mix housing 29 Remove the flush valve assembly from the side of the gun block 30 Remove the catalyst plug and seal from the other side of the gun block 31 Remove the material and catalyst fittings from the rear of the gun block 32 Unscrew the gun fitting needle housings from both side...

Page 20: ...h valve neck 37 Remove the flush valve seal from the flush valve body 38 Unscrew the flush seal body form the flush valve button 39 Remove the spring 40 Use a scribe to remove the O ring from the flush seal body 41 Discard and replace the flush valve s O rings and seals Note Do not replace O ring O K 008 unless it is worn or damaged This O ring is designed for use with all solvents In some cases O...

Page 21: ... the spring retainers over the springs and into the gun handle 3 Slide the spring onto the end of the poppet assembly 4 Insert the poppet assembly into the valve body 5 Slide a new O ring over the poppet assembly and secure with the packing retainer 6 Screw the assembled valve body into the gun handle Assemble Gun Head 7 Install a new seal onto the plug and then thread the plug into the gun head 8...

Page 22: ...ver the O ring and needle 17 Repeat steps 15 and 16 for both needle housings 18 Screw both assembled needle housings into the gun block one in each side 19 Install a new O ring into the catalyst needle seat area of the gun head 20 Install a new O ring on the catalyst needle housing and thread into the gun head 21 Insert the catalyst piston needle into the catalyst needle housing 22 Install a seal ...

Page 23: ...n needle 30 Slide the packing nut over the resin needle and thread into the seal housing just over finger tight do not overtighten 31 Thread the jam nut then the needle guide onto the resin needle end 32 Thread the seal housing and resin needle assembly into the gun head Note Use caution not to bend the resin needle during the remainder of assembly Assemble Flush Valve 33 Place an O ring onto the ...

Page 24: ... jam nut so that they will open just before the catalyst needle never catalyst first Note How much you open the resin needle before you open the catalyst needle will depend on the resin viscosity and may have to be changed as the resin temperature changes 2 Test the gun by putting 100 psi 7 bar of air to the catalyst and resin fittings and submerging the gun in water Troubleshooting Catalyst Probl...

Page 25: ...eplace O ring Catalyst leaking from around the catalyst shoot off needle Packing nut loose Lightly tighten packing nut O ring worn or damaged Replace O ring Resin Problems Symptom Possible Cause Remedy Resin leaking around needle inside needle housing Resin needle bent Replace needle Packing nut loose Lightly tighten packing nut Packing seal worn or damaged Replace packing seal Resin leaking aroun...

Page 26: ...maged Replace flush valve seal Solvent leaking around elbow flush fitting Flush swivel elbow fitting loose Tighten fitting Nylon seal worn or damaged Replace seal Flush swivel elbow fitting damaged Replace fitting Solvent leaking from mix housing front of gun Debris in seal area or damage to flush body Clean and replace parts as needed O ring on flush seal body worn or damaged Replace O ring Exces...

Page 27: ... stiff or hard Trigger damaged Inspect and replace parts as needed Trigger stud and screw damaged or dry Remove and lubricate trigger stud and screw replace as needed Needle guide and springs damaged Remove and lubricate needle guides and springs replace as needed Spring retainer worn or damaged Replace parts as needed Needles or needle housings dirty Check needles and needle housings for hardened...

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Page 52: ...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 ...

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