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OM-805 Page 9

5-2.

Overload Protection

READ SAFETY BLOCKS at start of
Section 5 before proceeding.

WARNING

Fuse link F1 protects the grid from
overload damage. If weld output
stops, check fuse link as follows:

Turn Off welding power source and
disconnect input power.

1

Fuse Link F1 (See Parts List
For Rating)

Check and replace fuse link, if
necessary.

Close rear access door.

1

Ref. ST-080 152-C

7/16 in

Tools Needed:

Figure 5-2. Fuse Link Location

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 PARTS can cause severe burns.

Allow cooling period before servicing.

Troubleshooting to be performed only by qualified
persons.

swarn9.1 2/93

Table 5-1. Welding Trouble

Trouble

Remedy

Section

No weld output.

Check and replace open fuse link, if necessary.

5-2

Check electrical input and output connections.

3-3

Erratic or improper weld output.

Select correct size weld cables according to Table 3-1.

– –

Clean and tighten weld cable connections.

3-3

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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