MAG MW150K Owner'S Manual Download | Manualshive

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Summary of Contents for MW150K

Page 1: ...ghout 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 equipment Do not allow untrained persons to install operate or maintain this unit Contact your distributor if you do not fully understand these instructions I 1 oIsfi Coven 5 92 ST 155 683 A PRINTED IN USA ...

Page 2: ... Cycle Using CO2 Shielding Gas Cable Length lOft 3 m 1 1 Volt Ampere Curve And Duty Cycle Chart a CAUTION GUN BEYOND DUTY CYCLE RATING can damage gun use gun beyond rated amperage when using CO2 shielding gas gun at 30 duty cycle when using mixed shielding gas wfw m81 10191 The volt ampere curves show the minimum and maximum voltage u 50 00 150 200 260 D C AI E6ES and amperage output capabilities ...

Page 3: ...g Power Source see Page 2 on this Errata Sheet Replace Figure 4 2 Wiring Diagram For Welding Power Source see Page 3 on this Errata Sheet CHANGES TO SECTION 6 PARTS LIST Change Parts List as follows Dia Part Replaced Mkgs No With Description Quantity 14 46 123 768 162 245 CAPACITOR qty chg deleted C2 Effw KD436311 1 14 47 108 105 022 160 CLAMP qty chg Eff w KD43631 1 1 First digit represents page ...

Page 4: ...SB 163 084 Figure 5 1 Circuit Diagram For Welding Power Source Eftective With Serial No KD436311 OM 1 54 500A Page 2 ...

Page 5: ...0 UI00 u SC 163 085 Figure 4 2 WirIng Diagram For Welding Power Source Effective With Serial No KD436311 ...

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Page 7: ... Shut off shielding gas supply when not in use CYLINDERS can explode if damaged BUILDUP OF SHIELDING GAS can harm health or kill electrical circuits Never touch cylinder with welding electrode Always secure cylinder to running gear wall or other stationary support wam4 1 9 91 A Installing Safety Chain Cri mp onto open end of chain 5 Cylinder Bracket For Large Gas Cylinder 6 Gas Fitting ST ISO 791 ...

Page 8: ...l Code NEC I Recommended fuse or circuit breaker size is that closest to 150 of rated input amperage of the welding power source Article 630 12 a of NEC allows fuse or circuit breaker sizing up to 200 of rated input amperage 2 Input conductor size is for insulated copper wire with 75C rating with not more than three single current carrying conductors in a cable or raceway Table 31 0 16 of NEC 3 Ma...

Page 9: ...ect size and length using Table 2 1 Conductor rating must comply with national state and lo cal electrical codes Install and connect input conduc tors and grounding conductor in conduit or equivalent between wall receptacle and deenergized line disconnect device Be sure grounding conductor goes to an earth ground 6 Line Disconnect Device Of Proper Rating Obtain and install switch and wall receptac...

Page 10: ... 1 Wire Spool 2 1 lub Tension Nut Grasp spool in one hand and turn while using a wrench to adjust nut When a slight force is needed to turn spool tension is set Loosen wire from spool and cut off bent wire and pull 6 in 150 mm of wire from spool 3 Pressure Adjustment Open pressure assembly 4 Wire Inlet Guide 5 Drive Roll 6 Wire Outlet Guide Thread wire through inlet guide along drive roll groove a...

Page 11: ... switch can damage contacts causing switch to fail Figure 3 1 Safety Equipment 1 Wire Speed Adjustment Control Use control to select a wire feed speed As Voltage Adjustment switch setting increases wire speed range also increases The numbers around the control are not a wire feed speed see Table 3 1 2 Voltage Adjustment Switch Use Switch to select an arc voltage The higher the selected number the ...

Page 12: ... 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 Stainless Steel Tn Mix 20 cfh 023 Voltage 4 4 3 3 3 2 1 Wire Speed 100 100 90 85 75 70 60 030 Voltage 4 4 3 3 2 2 Wire Speed 75 75 65 60 55 50 035 Voltage 4 4 3 Wire Speed 60 60 50 Aluminum Argon 30 cfii ...

Page 13: ...eck wire drive parts replace as necessary Every 3 months Tape or replace cracked cables clean and tighten connections 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 condition occurs the pilot light next to the gun polarity jumper link terminals goes out and t...

Page 14: ...ith screw Reinstall arm Onto pin and secure with cotter pin 8 Screw 9 Drive Roll Remove dflve roll as shown Use a wire brush to clean drive roll Push drive roll onto shaft and rein stall screw and washers 10 Wire Inlet Guide Tools Needed Remove guide by pressing on barbed area or cutting off one end near housing and pulling it Out of hole Push new guide into hole from rear until it snaps in place ...

Page 15: ...bleshooting READ SAFETY BLOCKS at start of 1 Section 4 before proceedIng ____ READ SAFETY BLOCKS at Start of Section 4 before proceeding FLYING METAL CHIPS AND DIRT can cause injury and damage equipment Point gun away from people and in a safe direction when blowing out with compressed air Tools Needed 3 8 in 3 5 6 7 Figure 4 3 Gun Maintenance WeldIng Trouble No weld output wire does not feed S Re...

Page 16: ...rive roll pressure Readjust hub tension Replace contact tube if blocked Clean or replace wire inlet guide or liner if dirty or plugged Replace drive roll or pressure bearing if worn or slipping Secure gun trigger plug in receptacle or repair leads or replace trigger switch Check and replace Fl Check and clear any restrictions at drive assembly and liner Have nearest Factory Authorized Service Stat...

Page 17: ...S2 RC3 POWER CORD PLO I SC 153 644 Figure 4 2 WIring Diagram For Welding Power Source ...

Page 18: ...SECTION 6 PARTS LIST p U 1 0 E 0 0 0 4 C 0 U 1 O C U C C Co CJ C 1 U C U Co r 0 U I IA if OM 154 500 Page 13 ...

Page 19: ...valve 152118 CordSet 111 443 Bushing cord set 147443 RearPanel 146619 Bezel 147 548 Speed Nut 156339 Bottle Retainer 602 389 5 Hook 156340 Cha n 602 384 Snap chain 53 147 315 Stabilizer 54 147313 Transformer 146943 Coil 55 147 576 Lower Panel 56 Front Panel w Cmpts 072 623 Potentiometer 097 922 Knob 048 482 Receptacle w Sockets 079534 Terminal 111 897 Rotary Switch 4posn 127023 Knob 116 830 Rocker...

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