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| THEORY OF OPERATION |
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TOC | TOC |
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| FIGURE E.2 - ENGINE COMPONENTS AND OPERATION |
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| SWITCH |
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| RANGE |
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Section | Master |
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| 254 |
| TOROID* | |
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| S2 | E |
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| ELECTRODE | ||
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| AC |
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to |
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| TERMINAL | ||
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| REACTOR |
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| OUTPUT + |
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| CHOKE | POLARITY | ||||||
Return | Return |
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| WORK | |||
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| AC BRIDGE |
| SWITCH | |
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| FUEL |
| W2 |
| C1 WAC | W1 |
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| TERMINAL |
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| STARTER |
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| SHUTOFF |
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| SOLENOID |
| SOLENOID |
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| WELD WINDINGS |
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| STARTER | MECHANICAL |
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| AUXILIARY |
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| WINDINGS |
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| ROTAT ION |
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| ENGINE |
| SLIP | ROTOR | STATOR | Z | Y |
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| 3 |
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| FLYWHEEL ALTERNATOR/ |
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| 5 |
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| VOLTAGE REGULATOR |
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TOC | TOC |
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| SOLENOID | 7 | EXCITER | 9 |
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| 6 |
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| WINDING |
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| X |
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Section | Master |
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| IDLER |
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| CONTROL | 3 |
| DIODE |
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| 3 6 X |
| TOROID* |
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| 4 |
| OIL |
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| 1 |
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| PRESSURE |
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| ENGINE |
| SWITCH |
| FLASHING |
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| SWITCH* | 2 | HOUR |
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Return | Return |
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| FIELD |
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| Z X Y | |
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| CAPACITOR |
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| METER |
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| BATTERY | OUTPUT |
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| 120 & 230 VOLT |
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| 480 VOLT 3 PHASE | ||||
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| CONTROL |
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| BREAKERS AND |
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| RECEPTACLES |
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| * Lead 254 - 1 turn through the toroid | ||
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| PRINTED CIRCUIT | Leads 3 & 6 - two turns through the toroid in opposite directions. | ||
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| BOARD | Lead X passes though the toroid in the same direction as lead 6 | ||
TOC | TOC | GENERAL DESCRIPTION |
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| When the Engine control Switch is released it returns to | ||||
Section | Master | The RANGER® 3 PHASE is a twin cylinder, gasoline | ||||||||
tor. It is capable of AC or DC Stick (SMAW) or TIG | the High Idle position. | |||||||||
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| driven, multiprocess arc welder and AC power genera- | ||||||||
to | to | (GTAW) | welding | and | CV Wire | welding, either | When the switch is placed in the Auto Idle position, after | |||
Return | Return | Innershield® or MIG | (GMAW). The AC power genera- | a delay of approximately 10 seconds, the Idler Solenoid | ||||||
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| tor is capable of providing 10,500 Watts continuous, 3 | will energize and the engine will drop to low speed. | |||||||
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| Phase 60 Hz. AC 480 volt power or 9500 Watts contin- | Upon striking an arc or drawing of current from any of | |||||||
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| uous, Single Phase 60 Hz. AC 120/240 volt power. | the Auxiliary Power receptcles, the solenoid will release | |||||||
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| and the engine will go to the high idle speed. Once the | ||
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| ENGINE COMPONENTS AND OPERATION | load is removed, and after a 10 second delay, it will | |||||||
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| return to the low idle condition. | ||||||||
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| The Engine Control Switch is used to start and stop the | The Hour Meter runs whenever the oil pressure switch | |||||||
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| engine and to select the idle mode (High Idle or Auto | ||||||||
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| Idle). The Fuel Shutoff Solenoid is activated at first by | ||||||||
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| nance concerns. | ||||||||
TOC | TOC | the Engine Control Switch. Then, as oil pressure builds | ||||||||
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up it is held in by the output of the voltage regulator | Turning the Engine Control Switch to the ‘OFF’ Position | |||||||||
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Sectionto | Masterto | through | the oil pressure | switch. If | the oil pressure | |||||
will shut down the machine. | ||||||||||
switch opens for any reason, the Fuel Solenoid will | ||||||||||
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| release and the engine will shut down. |
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Return | Return |
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| NOTE: Unshaded areas of Block Logic |
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| RANGER® 3 PHASE | |||
