Miller Electric MOG-250 Page 24 Owner'S Manual Download

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OM-808 Page 20

4-8.

Sequence Of Shielded Metal Arc Welding (SMAW)

Begin Welding

ssb7.1 9/92

Install &

Connect

Equipment

Select

Electrode

Put On

Personal Safety

Equipment

Set Controls

Insert

Electrode

Into Holder

Turn On

Welding Power

Source

4-9.

Sequence Of Gas Tungsten Arc Welding (GTAW)

Turn On

Shielding Gas

ssb8.1* 12/92

Install &

Connect

Equipment

If Applicable,

Install High_

Frequency Unit

Select

Tungsten

Insert

Tungsten

Into Torch

Put On

Personal Safety

Equipment

Set Controls

If Applicable,

Turn On High-

Frequency Unit

Turn On

Welding Power

Source

Begin Welding

SECTION 5 – MAINTENANCE & TROUBLESHOOTING

5-1.

Routine Maintenance

Ref. ST-124 643-A

3 Months

Turn Off all power before maintaining.

Tape Or

Replace
Cracked

Cables

Replace

Unreadable

Labels

Clean

And

Tighten Weld

Connections

6 Months

During Heavy Service,

Clean Monthly

Blow Out

Vacuum

Inside

Summary of Contents for MOG-250

Page 1: ...W Welding Stick SMAW Welding Multiple Operator Resistance Grids MOG Racks And Remote Controls OM 808 081 904F January 1997 MOG 250 250 MOG 300 MOG 350 350 MOG 400 MOG Pak And RGC Controls Visit our we...

Page 2: ...alue 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 agains...

Page 3: ...Operator System Component Relationships 10 3 2 Selecting A Location And Moving Resistance Grid Or Multi Grid Rack 11 3 3 Weld Input Output Cables For Resistance Grid Dual Model Shown 12 3 4 Weld Input...

Page 4: ......

Page 5: ...connected to a properly grounded receptacle outlet D When making input connections attach proper grounding conduc tor first double check connections D Frequently inspect input power cord for damage or...

Page 6: ...lding wire at contact tip when not in use D Wear oil free protective garments such as leather gloves heavy shirt cuffless trousers high shoes and a cap D Remove any combustibles such as a butane light...

Page 7: ...intained D Keep high frequency source doors and panels tightly shut keep spark gaps at correct setting and use grounding and shielding to minimize the possibility of interference ARC WELDING can cause...

Page 8: ...a human health hazard However studies are still going forth and evidence continues to be examined Until the final conclusions of the research are reached you may wish to minimize your exposure to ele...

Page 9: ...e de terre du sectionneur ou que la fiche du cordon est raccord e une prise correctement mise la terre D En effectuant les raccordements d entr e fixer d abord le conducteur de mise la terre appropri...

Page 10: ...des v tements de protection d pourvus d huile tels que des gants en cuir une chemise en mat riau lourd des pantalons sans re vers des chaussures hautes et un couvre chef D Avant de souder retirer tou...

Page 11: ...vrements et dispositifs de protection LE RAYONNEMENT HAUTE FR QUENCE H F risque de provoquer des interf rences D Le rayonnement haute frequence peut provoquer des interf rences avec les quipements de...

Page 12: ...hamps magn tiques basse fr quence Le courant de soudage pendant son passage dans les c bles de sou dage causera des champs lectromagn tiques Il y a eu et il y a encore un certain souci propos de tels...

Page 13: ...395 Amperes 100 Duty Cycle 245 A 490 A If Paralleled 100 Duty Cycle 345 A 690 A If Paralleled 100 Duty Cycle Net Weight With Case 65 lb 20 kg W O Case 50 lb 23 kg With Case 72 lb 33 kg W O Case 57 lb...

Page 14: ...lectrical parts Do not touch electrode holders of opposite polarity at the same time Separate electrode holders of opposite polarity to prevent contact Consult ANSI Z49 1 for common grounding safe pra...

Page 15: ...stance Grid 1 18 in 460 mm Open Space On Front Side Location should allow operation of controls 2 Handles Use handles to lift unit Multi Grid Rack 3 Minimum 20 in 508 mm Open Space On Front And Rear S...

Page 16: ...ting to common work electrode hold er s and weld output terminals if applicable 5 Common Work Connection Connect work cable to common work according to codes 6 Insulated Electrode Holder 7 GTAW Torch...

Page 17: ...work according to codes 6 Input Terminal For models with polarity reversing connect positive and negative cables to matching input terminal For models without polarity revers ing only one input termin...

Page 18: ...over connector body so holes align secure by tapping pin into place 1 2 3 4 5 6 1 in 26 mm Tools Needed 7 32 in 3 6 Male Camlok Connector Assembly sb6 4 11 92 ST 155 015 1 Weld Output Cable Strip insu...

Page 19: ...3 0 4 0 2 2 0 2 3 0 2 4 0 3 3 0 3 3 0 600 3 0 4 0 2 2 0 2 3 0 2 4 0 3 3 0 3 4 0 3 4 0 700 4 0 2 2 0 2 3 0 2 4 0 3 3 0 3 4 0 3 4 0 4 4 0 800 4 0 2 2 0 2 3 0 2 4 0 3 4 0 3 4 0 4 4 0 4 4 0 Weld cable siz...

Page 20: ...Subpart Q 4 1 Controls Dual Model Shown Ref ST 161 155 1 Coarse Amperage Control 2 Paralleling Switch Included on dual models only 3 Optional Polarity Switch 4 2 1 2 Ampere Switch This switch is inclu...

Page 21: ...Do not touch live electrical parts Do not touch electrode holders of opposite polarity at the same time Separate electrode holders of opposite polarity to prevent contact See ANSI Z49 1 and OSHA TITLE...

Page 22: ...amperage using only the Fine Amperage control place Coarse Amperage control in Off position 2 2 1 2 Ampere Switch Optional Use switch to add 2 1 2 amperes to weld output To add 2 1 2 amperes to weld...

Page 23: ...ce switch in On position For front panel amperage adjust ment place control in Off position 3 2 1 4 7 Paralleling Switch Dual Models Only CAUTION ARCING can damage switch Do not change Paralleling swi...

Page 24: ...Connect Equipment If Applicable Install High_ Frequency Unit Select Tungsten Insert Tungsten Into Torch Put On Personal Safety Equipment Set Controls If Applicable Turn On High Frequency Unit Turn On...

Page 25: ...oor Grid Rear Panel Multi Grid Rack 1 5 3 Troubleshooting Trouble Remedy No weld output Check and replace open fuse link s if necessary see Section 5 2 Check electrical input and output connections se...

Page 26: ...OM 808 Page 22 SECTION 6 ELECTRICAL DIAGRAMS SA 044 882 A Figure 6 1 Circuit Diagram For 300 Ampere Model SA 096 447 A Figure 6 2 Circuit Diagram For 300 Ampere Model With Polarity Reversing...

Page 27: ...OM 808 Page 23 SA 044 884 A Figure 6 3 Circuit Diagram For 400 Ampere Model SA 096 445 A Figure 6 4 Circuit Diagram For 400 Ampere Model With Polarity Reversing...

Page 28: ...OM 808 Page 24 SA 044 886 A Figure 6 5 Circuit Diagram For 250 250 Ampere Model SB 124 202 Figure 6 6 Circuit Diagram For 250 250 Ampere Model With Polarity Reversing...

Page 29: ...OM 808 Page 25 SA 087 783 A Figure 6 7 Circuit Diagram For 350 350 Ampere Model SA 095 027 A Figure 6 8 Circuit Diagram For Remote Grid Controls...

Page 30: ...ON 7 PARTS LIST ST 124 640 A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 16 15 19 13 20 10 21 22 23 6 24 1 25 26 27 28 29 30 Fig 7 2 31 Fig 7 3 Hardware is common and not available unless listed Figu...

Page 31: ...8 BUS BAR common 1 4 x 1 x 11 7 8 1 1 1 1 12 059 805 TUBING cop 540 OD x 123 wall x 5 16 1 1 1 1 1 1 13 010 907 NUT locking 1 in 1 1 1 1 13 010 907 NUT locking 1 in 2 2 2 14 010 854 NUT speed No 2 1 1...

Page 32: ...r by ft 3ft 600 323 CABLE weld No 3 also 250 250BPR 400APR order by ft 3ft 3ft 3ft PR models only Recommended Spare Parts When ordering a component originally displaying a precautionary label the labe...

Page 33: ...pplicable 1 1 1 1 12 059 872 TUBING 3 8 OD x 0 256 ID x 2 1 2 2 2 2 2 13 049 568 BUS BAR output 1 8 x 1 x 5 9 16 1 1 1 1 14 049 569 BUS BAR interconnect 1 8 x 1 x 2 1 4 1 1 1 1 15 049 485 BAFFLE front...

Page 34: ...28 36 48 64 059 728 INSULATOR support 22 30 36 52 059 727 INSULATOR support 5 8 bore 6 6 12 12 059 724 RING retaining ext 886 x 0 021 34 42 60 76 059 725 RING retaining ext 1 379 x 0 025 22 30 36 52 4...

Page 35: ...2 2 4 13 R8 059 932 RESISTOR WW fxd 175W 20 ohm 1 13 R9 059 932 RESISTOR WW fxd 175W 20 ohm 1 13 R15 16 059 932 RESISTOR WW fxd 175W 20 ohm 2 14 R2 3 059 798 RESISTOR 10A 2 2 14 R5 6 12 13 059 798 RES...

Page 36: ...OM 808 Page 32 SD 080 254 E 1 2 3 4 5 6 7 8 9 10 11 12 Hardware is common and not available unless listed Figure 7 4 MOG Pak 6 APR...

Page 37: ...2 1 1 1 2 601 879 NUT brs hex full 1 2 13 2 2 1 2 1 2 7 049 767 PANEL rear 1 1 7 049 703 PANEL rear 1 1 7 049 536 PANEL rear 1 1 8 027 529 PIN cotter 1 4 x 3 1 2 2 2 2 2 3 3 9 049 766 PANEL rear 1 1...

Page 38: ...080 198 CASE SECTION base front rear 1 1 NAMEPLATE order by model number 1 1 6 006 790 KNOB switch 1 1 059 734 SWITCH current 1 1 7 053 359 SWITCH tgl SPST 20A 125V 1 1 SA 080 370 A 2 4 5 6 7 3 1 Hard...

Page 39: ...ting Torches Remote Controls Accessory Kits Replacement Parts No labor Spoolmate 185 Spoolmate 250 Canvas Covers Miller s True Blue Limited Warranty shall not apply to 1 Consumable components such as...

Page 40: ...complete and retain with your personal records Always provide Model Name and Serial Style Number Call 1 800 4 A Miller or see our website at www MillerWelds com to locate a DISTRIBUTOR or SERVICE AGEN...

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