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OM-805D – 5/94

EMF INFORMATION

The following is a quotation from the General Conclusions Section of
the U.S. Congress, Office of Technology Assessment, Biological
Effects of Power Frequency Electric & Magnetic Fields –
Background Paper
, OTA-BP-E-53 (Washington, DC: U.S.
Government Printing Office, May 1989): “. . . there is now a very large
volume of scientific findings based on experiments at the cellular
level and from studies with animals and people which clearly
establish that low frequency magnetic fields can interact with, and
produce changes in, biological systems. While most of this work is
of very high quality, the results are complex. Current scientific
understanding does not yet allow us to interpret the evidence in a
single coherent framework. Even more frustrating, it does not yet
allow us to draw definite conclusions about questions of possible risk
or to offer clear science-based advice on strategies to minimize or
avoid potential risks.”

To reduce magnetic fields in the workplace, use the following
procedures:

1.

Keep cables close together by twisting or taping them.

2.

Arrange cables to one side and away from the operator.

3.

Do not coil or drape cables around the body.

4.

Keep welding power source and cables as far away as practical.

5.

Connect work clamp to workpiece as close to the weld as
possible.

About Pacemakers:

The above procedures are among those also normally
recommended for pacemaker wearers. Consult your doctor for
complete information.

Considerations About Welding And The Effects Of Low Frequency Electric And
Magnetic Fields

NOTE

mod10.1 4/93

TABLE OF CONTENTS

SECTION 1 – SAFETY INFORMATION

1

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SECTION 2 – SPECIFICATIONS

1

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SECTION 3 – INSTALLATION

1

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3-1.

Typical Multiple Operator System Component Relationships

1

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3-2.

Selecting A Location And Moving Resistance Grid Or Multi-Grid Rack

2

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3-3.

Preparing And Connecting Weld Input/Output Cables

3

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SECTION 4 – OPERATION

5

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SECTION 5 – MAINTENANCE & TROUBLESHOOTING

8

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5-1.

Routine Maintenance

8

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5-2.

Overload Protection

9

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5-3.

Troubleshooting

9

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SECTION 6 – ELECTRICAL DIAGRAMS

10

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SECTION 7 – PARTS LIST

12

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Figure 7-1. Complete Assembly

12

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Summary of Contents for MOG-200C

Page 1: ...to the operator For help call your distributor or MILLER Electric Mfg Co P O Box 1079 Appleton WI 54912 414 734 9821 OWNER S MANUAL OM 805 079 869D May 1994 Multiple Operator Resistance Grids MOG For...

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: ...ce intense visible and invisible ultraviolet and infrared rays that can burn eyes and skin Noise from some processes can damage hearing Chipping grinding and welds cooling throw off pieces of metal or...

Page 4: ...nds and catch loose clothing 1 Keep all doors panels covers and guards closed and securely in place 2 Stop engine before installing or connecting unit 3 Have only qualified people remove guards or cov...

Page 5: ...To reduce magnetic fields in the workplace use the following procedures 1 Keep cables close together by twisting or taping them 2 Arrange cables to one side and away from the operator 3 Do not coil or...

Page 6: ......

Page 7: ...can injure Keep away from moving parts Keep all panels and covers closed when operating 3 Turn Off switch when using high frequency Figure 1 1 Safety Information SECTION 2 SPECIFICATIONS Table 2 1 Re...

Page 8: ...o unit Do not block or filter airflow Warranty is void if any type of filter is used FUMES can be hazardous LACK OF FRESH AIR AND PROPER VENTILATION can be harmful Do not breathe welding fumes Place u...

Page 9: ...hole size for connecting 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...

Page 10: ...ure by tapping pin into place Tools Needed 7 32 in 1 1 in 2 4 26 mm 3 5 6 Figure 3 4 Female Camlok Connector Assembly sb6 4 11 92 ST 155 015 1 Weld Output Cable Strip insulation as shown 2 Copper Stri...

Page 11: ...flammable material Watch for fire keep extinguisher nearby Do not locate unit over combustible surfaces Do not weld on closed containers Allow work and equipment to cool before handling ARC RAYS can...

Page 12: ...T VOLTS exists between electrode holders of opposite polarity Do not touch live electrical parts Do not touch electrode holders of opposite polarity at the same time Separate electrode holders of oppo...

Page 13: ...ne Amperage Control Use control to add amperage in 5 ampere steps to weld output In Example Total Amperage Output 122 5 A 100 A 20 A 2 5 A 2 3 1 Figure 4 5 Amperage Controls Begin Welding ssb7 1 9 92...

Page 14: ...severe burns Allow cooling period before maintaining or servicing Maintenance to be performed only by qualified persons swarn8 1 2 93 5 1 Routine Maintenance Turn Off all power before maintaining Ref...

Page 15: ...ation 5 3 Troubleshooting WARNING ELECTRIC SHOCK can kill Do not touch live electrical parts Turn Off welding power source and disconnect input power before inspecting maintaining or servicing HOT PAR...

Page 16: ...OM 805 Page 10 SECTION 6 ELECTRICAL DIAGRAMS SA 162 468 Figure 6 1 Circuit Diagram For Models Without Polarity Switch SA 047 615 C Figure 6 2 Circuit Diagram For Models With Polarity Switch...

Page 17: ...OM 805 Page 11 NOTES...

Page 18: ...RTS LIST 2 3 4 5 6 7 8 9 10 11 1 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 SD 080 149 D Figure 7 1 Complete Assembly MOG 2...

Page 19: ...e 1 17 059 764 HANDLE carrying 4 4 18 010 853 FASTENER scr sltd hd No 2 1 1 19 010 855 RETAINER screw No 2 1 1 20 010 854 NUT speed No 2 clip on 1 1 21 059 780 PANEL rear 1 21 110 705 PANEL rear 1 22...

Page 20: ...ITCH tgl SPDT 15A 125VAC 1 1 49 059 933 WASHER flat mica 750 ID x 1 500 OD x 030thk 2 2 50 R7 059 932 RESISTOR WW fxd 175W 20 ohm 1 1 51 057 430 WASHER ctrg spcl No 18 1 1 52 081 016 BRACKET mtg resis...

Page 21: ...OM 805 Page 15 Notes...

Page 22: ...OM 805 Page 16 Notes...

Page 23: ...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 24: ...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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