BATTERY TROUBLESHOOTING
Condition of Battery | Cause | Countermeasures | Cause |
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Starter does not function | - Key is not "ON". | - Turn key "ON" |
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| - Battery is | - Charge for a long period | - Do not overuse the |
| light becomes dim. | at the normal charging | battery and charge before |
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| rate until specific gravity | being fully discharged. |
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| of 1.26 is reached. |
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| - Defective alternator or | - Repair alternator and | - Check alternator/rectifier. |
| rectifier preventing | replace defective rectifier, |
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| charging of the battery. | and fully charge the |
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| battery. |
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| - Dirty or corroded terminal | - Wash terminal with hot | - Keep terminals clean and |
| contacts. | water and tighten well. | well tightened. Coat |
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| terminals with grease to |
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| prevent corrosion. |
| - Bad brushes, armature or | - Replace. |
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| field in alternator. |
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| - Life of battery expired. | - Replace battery. |
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Low electrolyte level | - Battery used with | - Add distilled water and | - Make routine checks of |
| shortage of electrolyte. | charge battery. | electrolyte. |
| - Battery | - Charge for a long period | - Do not overuse the |
| Charging was neglected. | at the normal charging | battery and charge before |
| (Refrain from over- | rate. | being fully discharged. |
| discharging) |
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| - Defective alternator/ | - Check alternator and | - Make routine checks of |
| rectifier, defective | rectifier, and charge for a | terminals to make sure |
| terminal contacts causing | long period at the normal | they are clean and tight |
| corrosion of electrodes. | charging rate. |
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Battery cannot be charged | - The current of the | - Decrease the charging | - Check charging current at |
| alternator during | current of alternator. | alternator. |
| operation is too high, | - Replaced damaged |
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| causing plates to drop, |
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| battery. |
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| warp, or short circuit. |
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| - Lift of battery expired | - Exchange battery. |
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Corrosion of terminals is | - Current of the alternator | - Clean corrosion from | - Keep terminals clean and |
severe | during operation is too | terminals and tighten well. | well tightened. |
| high. |
| - Apply a coat of grease to |
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| terminals to prevent |
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| corrosion. |
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| - Adjust charging current of | - Check charging current of |
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| alternator. | alternator. |
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Electrolyte decreases | - Over heating due to over | - Check charging output. |
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rapidly | charging. |
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| - Battery cracked or has | - Replace battery. | - Secure battery in tractor |
| small holes. |
| so it cannot move. |
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