THEORY OF OPERATION
to SectionTOC | to Master TOC |
| FIGURE E.2 – BATTERY, STARTER, ENGINE ALTERNATOR, AND PROTECTION CIRCUITS |
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Return | Return |
| PROTECTION |
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| SELECTOR |
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| RELAY |
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| SWITCH |
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| REED |
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| IDLER |
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| RELAY | NEGATIVE | |||||
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| BOARD |
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| CR2 |
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| TERMINAL | |
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| 115 & 230VAC |
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| RECEPTACLES |
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| IDLER |
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| SOLENOID |
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TOC |
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| OIL |
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| GENERATOR |
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| TEMPERATURE | PRESSURE |
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| FRAME |
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| GAUGE | SWITCH |
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| CURRENT |
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| FUEL |
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| SERIES |
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| INJECTION |
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| COILS |
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| TRANSFORMER |
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| PUMP |
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to Section | to Master |
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| BRUSHES & COMMUTATOR |
| ALTERNATOR | STATOR |
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| ENGINE | MECHANICAL | GENERATOR | ARMATURE | ROTOR |
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IGNITION |
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| COUPLING | ARMATURE | SHAFT |
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ENGINE |
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SWITCH |
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| SLIP |
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Return | Return |
| ALTERNATOR |
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| RINGS |
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| INTERPOLE |
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| COILS | RESIDUAL |
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| STARTER |
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| MAGNETISM | FLASHING |
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| MOTOR |
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| FIELD |
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| SHUNT |
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| WINDINGS |
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| FIELD |
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| BATTERY |
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| RECTIFIER |
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| GENERATOR |
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| FIELD CONTROL |
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| OUTPUT | |
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| TERMINAL | |
TOC | TOC |
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Section | Master | GENERAL DESCRIPTION |
| BATTERY, STARTER, ENGINE |
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The | ALTERNATOR, AND PROTECTION | ||||||||||||
to | to | ||||||||||||
Return | Return | welding power source capable of providing constant | CIRCUITS |
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current output for stick welding or | DC TIG welding. | The 12VDC battery powers the starter motor and, | |||||||||||
Also, a total of 3000 watts of auxiliary power is available | |||||||||||||
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| at the 115 or 230VAC receptacles. |
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| through the ignition switch, the engine protection cir- | ||||||||
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| cuitry. In the event of a low oil pressure or a high | ||||||
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| coolant temperature condition, the engine protection | ||||||
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| system shuts the engine off. The protection relay mon- | ||||||
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| itors the oil pressure switch and the coolant tempera- | ||||||
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| ture sensor. If either sensor “faults,” the protection relay | ||||||
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| deactivates the fuel injection pump, and the engine | ||||||
to Section TOC | to Master TOC |
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| shuts down. The engine alternator supplies “charging” | ||||||
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| current for the battery circuit. |
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Return | Return |
| NOTE: Unshaded areas of Block Logic Diagram are the subject of discussion. |
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