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| Observe Safety GuidelinesTROUBLESHOOTING & REPAIR |
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| detailed in the beginning of this manual. |
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| TROUBLESHOOTING GUIDE | ||||||||
| PROBLEMS |
| POSSIBLE AREAS OF |
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| (SYMPTOMS) |
| MISADJUSTMENT(S) |
| COURSE OF ACTION | |||||||
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| ENGINE AND IDLE PROBLEMS |
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| The engine cranks when the start |
| 1. | The battery voltage may be low. |
| 1. | The fuel solenoid may be faulty | |||||
| button is pressed but will not start. |
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| (This | condition | will normally |
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| or | not | operating | properly. |
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| result in slow cranking speed.) |
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| Check lead #231 and perform | |||||
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| The battery should be checked |
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| the | Fuel Solenoid Test. | ||||
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| and recharged if it is not pro- |
| 2. | The engine may be in need of | |||||
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| ducing adequate | voltage, and |
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| replaced if it will not accept a full |
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| mechanical repair. |
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| charge. |
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| 2. Make sure the glow plug button |
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| is pressed while pushing the |
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| start button. See the operatorʼs |
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| manual, or the operation section |
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| of this manual for the proper |
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| starting procedure. |
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| 3. Make sure the fuel valve on the |
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| fuel sediment filter is in the open |
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| position. |
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| 4. Check that the machine has an |
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| adequate supply of fresh, clean |
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| fuel. |
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| 5. The fuel filter may be clogged. |
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| Replace the fuel filter if neces- |
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| sary. |
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| 6. Check the oil level. |
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| The engine starts, but shuts down |
| 1. | Make sure the glow plug button |
| 1. | The fuel solenoid may be faulty | |||||
| immediately when the start button |
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| is pressed while pushing the |
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| or | not | operating | properly. | ||
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| start button, and held in until the |
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| Check lead #225B and perform | |||||
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| engine protection light turns off, |
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| the | Fuel Solenoid Test. See | ||||
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| (5 | SECONDS | MAXIMUM |
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| the wiring diagram. |
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| AFTER THE ENGINE STARTS) |
| 2. The fuel solenoid bypass circuit | ||||||
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| See the operatorʼs manual, or |
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| may be faulty. Check the glow | ||||||
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| the operation section of this |
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| plug button for proper operation. | |||||
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| manual for the proper starting |
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| Check lead #233A, and diode | |||||
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| 2. | procedure. |
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| bridge D4. | See wiring diagram. | |||
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| Check the oil level. Be certain |
| 3. The engine protection relay may | |||||||
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| that the engine is not overheat- |
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| be faulty. The engine may have | |||||
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| ed. |
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| inadequate oil pressure. | |||
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| 3. Check that the machine has an |
| 4. The oil pressure switch or | |||||||
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| adequate supply of fresh, clean |
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| 4. | fuel. |
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| coolant temperature switch may | |||
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| The fuel filter may be clogged. |
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| be faulty. |
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| Replace the fuel filter if neces- |
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| sary. | CAUTION |
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If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, | |
contact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call | |
RANGER 305D | |
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