Miller LMSW-52 Owner'S Manual Download | Manualshive

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Summary of Contents for LMSW-52

Page 1: ...Processes Description Resistance Spot Welding OM 716 199 981D 2006 04 MSW 41 MSW 41T LMSW 52 And LMSW 52T Portable Resistance Spotwelders Visit our website at www MillerWelds com ...

Page 2: ...ntinue the tradition They re just as committed to providing equipment and service that meets the high standards of quality and value established in 1929 This Owner s Manual is designed to help you get the most out of your Miller products Please take time to read the Safety precautions They will help you protect yourself against potential hazards on the worksite We ve made installation and operatio...

Page 3: ...aintenance 4 2 4 Principales normes de sécurité 4 2 5 Information sur les champs électromagnétiques 4 SECTION 3 INTRODUCTION 5 3 1 Specifications 5 SECTION 4 INSTALLATION 5 4 1 Installing Or Dressing Tips 5 4 2 Installing Or Cleaning Tongs 7 4 3 Adjusting Tong And Hand Lever Pressure 8 4 4 Installing Handle 9 4 5 Mounting Control Box 10 4 6 Connecting Input Power T Models 10 4 7 Connecting Input P...

Page 4: ...Notes ...

Page 5: ...ents in OSHA 1910 252 a 2 iv and NFPA 51B for hot work and have a fire watcher and extinguisher nearby Touching live electrical parts can cause fatal shocks or severe burns The input power circuit and machine internal circuits are also live when power is on Incorrectly installed or improperly grounded equipmentis a hazard ELECTRIC SHOCK can kill D Do not touch live electrical parts D Wear dry hole...

Page 6: ... coatings and any metals containing these elements can give off toxic fumes if welded 1 3 Additional Symbols For Installation Operation And Maintenance FIRE OR EXPLOSION hazard D Do not install or place unit on over or near combustible surfaces D Do not install or operate unit near flammables D Do not overload building wiring be sure power supply system is properly sized rated and protected to han...

Page 7: ...For Occupational And Educational Eye And Face Protection ANSI Standard Z87 1 from American National Standards Institute 11 West 42nd Street New York NY 10036 8002 phone 212 642 4900 website www ansi org Standard for Fire Prevention During Welding Cutting and Other Hot Work NFPA Standard 51B from National Fire Protection Association P O Box 9101 1 Battery March Park Quincy MA 02269 9101 phone 617 7...

Page 8: ...elles incandescentes ni de flammes D Ne dépassez pas la puissance permise de l équipement D Utiliser exclusivement des fusibles ou coupe circuits appropriés Ne pas augmenter leur puissance ne pas les ponter D Suivre les consignes de OSHA 1910 252 a 2 iv et de NFPA 51B pour travaux de soudage et prévoir un détecteur d incendie et un extincteur à proximité Le fait de toucher à une pièce électrique s...

Page 9: ...vapeurs et former des gaz hautement toxiques et irritants D Ne pas souder des métaux munis d un revêtement tels que l acier galvanisé plaqué en plomb ou au cadmium à moins que le revêtementn ait été enlevé dans la zone de soudure que l endroit soit bien ventilé et en portant un respirateur à alimentation d air Les revêtements et tous les métaux renfermant ces éléments peuvent dégager des fumées to...

Page 10: ...on P O Box 9101 1 Battery March Park Quincy MA 02269 9101 téléphone 617 770 3000 site Internet www nfpa org Code for Safety in Welding and Cutting CSA Standard W117 2 de Canadian Standards Association Standards Sales 178 Rexdale Boulevard Rexdale Ontario Canada M9W 1R3 téléphone 800 463 6727 ou à Toronto 416 747 4044 site Internet www csa international org Practice For Occupational And Educational...

Page 11: ... in 114 mm 16 in 406 mm 42 lb 19 1 kg 45 lb 20 4 kg Based on 10 second time period means unit can weld for 5 seconds out of each 10 second time period Model MSW 41 41T LMSW 52 52T Tong Length 6 in 152 mm 12 in 305 mm 18 in 457 mm 6 in 152 mm 12 in 305 mm 18 in 457 mm Input Volts 110 220 Output Amps 10 5500 4500 3600 6750 5800 4850 SECTION 4 INSTALLATION 4 1 Installing Or Dressing Tips Ref ST 800 1...

Page 12: ...B Dressing The Tips 1 New Tip 2 Used Tip Requiring Dressing 3 Dressing Method Keep top diameter same as a new tip 1 Tools Needed d 1 8 in 3 2 mm diameter for 1 5 kVA models 5 32 in 4 mm for 2 5 kVA models 2 3 d d OR ...

Page 13: ... so that tip is pointing straight up Loosely tighten screws Top Tong 4 Top Tong 5 Top Tong Holder Pivot Casting 6 Top Tong Securing Screws 4 Loosen the four screws If needed for removal use a rubber mallet to loosen tong Slide tong into pivot casting as far as necessary so that tip mates with bottom tip when tongs are closed Loosely tighten screws 7 Tips Adjust tong positions to line up cen ters o...

Page 14: ... close severe arc ing occurs between workpieces and no weld can be made 1 Front Nut 2 Rear Nut 3 Pivot Casting 4 Hand Lever 5 Tongs To increase tong pressure loosen front nut The farther the front nut is turned out the greater the pressure on the tips when the hand lever is closed Turn the rear nut up to the pivot casting to lock the position To decrease tong pressure loosen the rear nut and turn ...

Page 15: ...olt 3 Brackets 41 And 41T Models Only Install handle onto the spot welder as shown above For 52 and 52T Models install han dle onto either side as desired for either right hand or left hand use Tools Needed Ref ST 802 056 A 7 16 3 8 in MSW 52 And 52T Models MSW 41 And 41T Models 2 1 3 1 2 1 2 ...

Page 16: ...own onto screws 1 2 OR 4 6 Connecting Input Power T Models Ref ST 800 233 A Operate spot welder from a sepa rately fused or circuit breaker pro tected circuit and use correct size input conductors 1 Rating Label Not Visible As Shown On Spot Welder 2 Cord 3 Parallel Plug On 110 Volts AC Models 4 Tandem Plug On 220 Volts AC Models Do not cut ground terminal off plug 5 Grounded Receptacle Connect plu...

Page 17: ...ly fused or circuit breaker pro tected circuit and use correct size input conductors 1 Rating Label 2 Cord 3 Parallel Plug On 110 Volts AC Models 4 Tandem Plug On 220 Volts AC Models Do not cut ground terminal off plug 5 Grounded Receptacle Connect plug to matching grounded receptacle 1 2 3 Or 4 5 Model Input Conductor Size AWG Fuse Circuit Breaker Size In Amperes 1 5 kVA 110 Volt 2 5 kVA 220 Volt...

Page 18: ... Start Switch Move start switch sideways in ei ther direction to start weld cycle When weld cycle time ends or the start switch is released weld output stops and the timer resets for another weld cycle 4 Power Switch 2 3 1 4 5 2 Controls Non T Models ST 145 104 A 1 Hand Lever Use lever to open and close tongs Close the hand lever during the welding process to compress the materialbetween the tips ...

Page 19: ...800 233 A Ref ST 800 185 A Y Turn Off unit and disconnect input power If fuse opens unit shuts down To replace fuse proceed as follows 1 Fuse Holder Cover 2 Fuse F1 See Parts List 1 2 6 3 Troubleshooting Trouble Remedy No weld output Check line fuses and replace if necessary For 220 V models check fuse F1 and replace if necessary see Section 6 2 Low weld output Dress or replace tips see Section 4 ...

Page 20: ...han normal weld time required Dress or replace tips see Section 4 1 Clean workpieces Adjust tong pressure see Section 4 3 Clean ends of tongs and tong holders see Section 4 2 Check input line voltage Burn through at point of weld Shorten weld time see Section 5 1 Adjust tong pressure see Section 4 3 Dress or replace tips see Section 4 1 Realign tips see Section 4 2 ...

Page 21: ...OM 716 Page 17 SECTION 7 ELECTRICAL DIAGRAMS SA 162 466 B Figure 7 1 Circuit Diagram For 110 Volts T Models SA 072 065 B Figure 7 2 Circuit Diagram For 220 Volts T Model ...

Page 22: ...OM 716 Page 18 SA 162 467 B Figure 7 3 Circuit Diagram For 110 And 220 Volts Non T Models ...

Page 23: ...OM 716 Page 19 Notes ...

Page 24: ...escription Part No Dia Mkgs Item No Figure 8 1 Main Assembly Quantity Model 41 41T 52 52T 1 019 643 HANDLE carrying 1 1 019 646 HANDLE carrying 1 2 601 865 NUT stl hex full fnsh 250 20 1 1 3 602 009 SCREW cap stl sch 250 20 x 1 250 7 7 4 023 660 WIRING HARNESS switch 1 1 5 023 199 LEVER operating 1 5 082 090 LEVER operating 1 ...

Page 25: ... model and style number 1 1 31 602 024 SCREW drive U 2 x 3 16 4 4 32 010 708 RETAINER clamp tong 1 1 33 026 605 INSULATION bottom clamp 1 1 34 181 179 INSULATION tong 1 1 35 602 004 SCREW cap stl sch 250 20 x 750 2 2 36 010 707 CLAMP bottom tong 1 1 37 039 052 CLAMP threaded connecting tong braid included w Item 5 Fig 8 2 1 1 38 T1 095 345 TRANSFORMER pwr main Fig 8 2 1 38 T1 095 354 TRANSFORMER p...

Page 26: ... stl No 10 32 x 8 125 4 3 010 156 STUD stl No 10 32 x 11 125 4 4 137 943 NUT core stud 4 4 5 033 123 BAR sec 1 5 033 122 BAR sec 1 ST 141 482 A Hardware is common and not available unless listed 1 2 3 4 5 Figure 8 2 Transformer Power Main Item 37 on Figure 8 1 is included when ordering these items as replacement parts To maintain the factory original performance of your equipment use only Manufact...

Page 27: ...TD1 605 952 TIMER delay reset 5sec 120V 1 1 8 046 432 HOLDER fuse 1 9 F1 012 653 FUSE mintr gl 5A 1 10 087 179 CABLE interconnecting 10ft 1 1 11 PLG1 096 822 CABLE pwr 10ft 16ga 3 c 1 11 PLG1 096 481 CABLE pwr 10ft 16ga 3 c 1 12 134 900 STRAIN RELIEF cable flexible 270 480 cable 2 2 1 2 3 4 5 6 7 8 9 10 11 12 ST 146 012 E Figure 8 3 Timer Spot 230V Illustrated Recommended Spare Parts To maintain t...

Page 28: ...tandard 040 211 040 212 FF 040 213 FH 040 214 STANDARD MO OFFSET TT 6 TT 9 FF FH 190 mm 7 1 2 Standard 040 211 040 212 G 7 S 0550 9 1 2 241 mm 6 152 mm 040 197 12 305 mm 040 198 18 457 mm 040 199 6 152 mm 040 200 12 305 mm 040 201 18 457 mm 040 202 12 305 mm 040 203 18 457 mm 040 204 12 305 mm 040 205 18 457 mm 040 206 8 203 mm 040 208 5 127 mm 040 209 8 203 mm 040 207 ...

Page 29: ...Notes ...

Page 30: ...Notes ...

Page 31: ...n Heating Coils and Blankets Cables and Non Electronic Controls APT SAF Model Plasma Cutting Torches Remote Controls Accessory Kits Replacement Parts No labor Spoolmate Spoolguns Canvas Covers Miller s True Blue Limited Warranty shall not apply to 1 Consumable components such as contact tips cutting nozzles contactors brushes slip rings relays or parts that fail due to normal wear Exception brushe...

Page 32: ...d retain with your personal records Always provide Model Name and Serial Style Number Contact a DISTRIBUTOR or SERVICE AGENCY near you Welding Supplies and Consumables Options and Accessories Personal Safety Equipment Service and Repair Replacement Parts Training Schools Videos Books Technical Manuals Servicing Information and Parts Circuit Diagrams Welding Process Handbooks Contact the Delivering...

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