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Summary of Contents for MW15O

Page 1: ...oughout the manual before installing operating or maintaining this equipment This unit and these instructions are for use only by persons trained and experienced in the safe operation of welding equip...

Page 2: ...In welding as in most jobs exposure to certain hazards occurs Welding is safe when precautions are taken The safety information given below is only a summary of the more complete safety information th...

Page 3: ...ing Tools Needed ST 160 791 CHANGES TO SECTION 6 PARTS LIST Change Parts List as follows Part No Replaced With Description 12 37 137 800 157 044 Circuit Card Eft w KD352528 12 154 005 Deleted Eff w KD...

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Page 5: ...uch any cylinder 5 Use only correct shielding gas cylinders regulators hoses and fittings designed for the specific application maintain them and associated parts in good condition 6 Turn face away fr...

Page 6: ...ng Gas Cable Length 10 ft 3 rn 1 1 Volt Ampere Curve And Duty Cycle Chart U SING GUN BEYOND DUTY CYCLE RATING can damage gun Do not use gun beyond rated amperage when using CO2 shielding gas Use gun a...

Page 7: ...inder with welding electrode Always secure cylinder to running gear wall or other stationary support warn4 I 9 91 5 Regulator Install onto gas cylinder so that face is vertical 6 Flowmeter Flow rate i...

Page 8: ...es Install and connect input conduc tors and grounding conductor in conduit or equivalent between wall receptacle and deenergized line disconnect switch Be sure ground ing conductor goes to an earth g...

Page 9: ...lectrode S Always secure cylinder to running gear wall other stationary support or ELECTRIC SHOCK can kill Do not touch live electrical parts The welding wire drive rolls drive assembly and all metal...

Page 10: ...e of filter see ANSI Z49 1 sb3 t 0 SI FIgure 3 1 Safety Equipment 1 Wire Speed Adjustment Con trol Use control to select a wire feed speed As VOLTAGE ADJUST MENT switch setting increases wire speed ra...

Page 11: ...nections Replace unreadable labels Every 6 months Blow out or vacuum inside of unit 4 1 Thermal Overload Protection If rectifier SR2 overheats thermostat TP1 opens stopping all weld output If this con...

Page 12: ...with screw Reinstall arm onto pin and secure with cotter pin 2 8 Screw 9 Drive Roll Remove drive roll as shown Use a wire brush to clean drive roll Push drive roll onto shaft and rein stall screw and...

Page 13: ...Install contact tube and nozzle Insert gun into feeder and mark where liner touches drive roll Re move gun and cut liner oft Rein stall gun so that liner is as close as possible to drive rolls without...

Page 14: ...______________________ ___________ 2 6 2 6 4 4 4 3 4 4 4 3 2 4 4 2 4 3 4 4 a Replace contact tube if blocked Clean or replace wire inlet guide or liner if dirty or plugged Replace drive roll or pressu...

Page 15: ..._____J1 FN 24V IZIE 2 BOTIIWS es_AcK 2 8OTT 4 ICR cR1 SI 134 I BEG 12A Rl CWI l1 CR 3 158 cR 2 I IC 1 66 CRI 6 To 74 C52 RIIRIT 306 TEI Pos2 SR CR2 COIL Tj 3IC T I CRi A P162 2 1 COIL 28A TI L S2 WIPE...

Page 16: ...0 UI00 U I00 ST 155 497 1 mC 0 z 0 IU r Cl I 2 3 I 4 11 Fig 6 2 46 60 59 53 Figure 6 1 Main Assembly...

Page 17: ...111 897 Rotary Switch 4posn 127023 Knob 116 830 Rocker Switch DPST 147 442 Front Panel 146619 Bezel 147548 SpeedNut 154005 Handle 154 596 Cap Handle 153 448 Nameplate 004 214 Bushing 2 000mtg lii 644...

Page 18: ...45 30 035 Voltage 4 3 3 3 2 2 1 Wire Speed 75 70 60 50 40 33 25 E71T GS Flux Core 030 Voltage 3 3 2 1 1 1 Wire Speed 40 65 45 40 30 20 035 Voltage 3 3 2 1 1 1 Wire Speed 60 50 40 30 20 10 ER 308 Stain...

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