BATTERY SERVICE |
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| battery is fully charged when the cells are gassing |
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| freely at low charging rate and less than 0.003 |
WARNING |
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| change in specific gravity occurs over a three hour |
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| period. | |
Keep open flames and sparks away from the |
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| Jump Starting With Auxiliary (Booster) | |
battery; the gasses coming from it are highly |
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explosive.Ventilate the battery well during |
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| Battery | |
charging. |
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| Jump starting is not recommended. However, if it |
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Checking Battery Voltage |
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| must be done, follow these directions. Both booster |
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| and | |
A voltmeter can be used to determine condition of |
| when using jumper cables. Follow the steps below | ||
| EXACTLY, being careful not to cause sparks. Refer | |||
battery. When engine is off, the voltmeter shows |
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| to Figure 51. | ||
battery voltage, which should be 12 volts.When |
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| 1. Both batteries must be of the same voltage. | ||
engine is running, the voltmeter shows voltage of |
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| 2. Position the vehicle with the booster battery | ||
charging circuit which normally is 13 to 14 volts. |
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| adjacent to the vehicle with the discharged battery | ||
A dead battery or one too weak to start the engine |
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| so that booster cables can be connected easily | |||
may not mean the battery needs to be replaced. |
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| to the batteries in both vehicles. Make certain | ||
For example, it may mean that the alternator is not |
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| vehicles do not touch each other. | |||
charging the battery properly. If there is any doubt |
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| 3. Wear safety glasses and shield eyes and face | |||
about the cause of the problem, see your dealer. |
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If you need to replace the battery, follow the steps |
| from batteries at all times. Be sure vent caps are | ||
under Cleaning the Battery & Cables in the Regular |
| tight. Place damp cloth over vent caps on both | ||
Maintenance Section. |
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| batteries. |
Charging a Completely Discharged |
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| 4. Connect p s t ve (+) cable to positive post of | |
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| discharged ba ery (wired to starter or solenoid). | ||
Battery |
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| 5. Conne he o her end of same cable to same | |
1. Be aware of all the safety precautions y u sh | uld |
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| post marked positive (+) on booster battery. | |||
observe during the charging operation. If y u are | for | |||
| 6. Conne t the second cable negative | |||
unfamiliar with the use of a battery charger and |
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| post of booster battery. | |||
hydrometer, have the battery serviced by your |
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| 7. Make final connection on engine block of stalled | ||
dealer. |
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| vehicle away from battery. Do not lean over | |
2. Add distilled water sufficient to cover the plate (fill |
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| batteries. | |||
| Not |
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to the proper level near the end of the charge). |
| 8. Start the engine of the vehicle with the booster | ||
If the battery is extremely cold, allow it to wa m |
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| battery.Wait a few minutes, then attempt to start | |||
before adding water because the wat r l v l will |
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| the engine of the vehicle with the discharged | |||
rise as it warms. Also, an extremely cold batt | ry |
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| battery. | |||
will not accept a normal charge until it b com | s |
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| Reproduction | |||
warm. |
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| 9. If the vehicle does not start after cranking for thirty |
3. Always unplug or turn the charger off before | seconds, STOP PROCEDURE. More than thirty | |
seconds seldom starts the engine unless some | ||
attaching or removing the clamp connections. | ||
mechanical adjustment is made. | ||
4. Carefully attach the clamps to the battery in | ||
10. After starting, allow the engine to return to idle | ||
proper polarity (usually red to [+] positive and | ||
speed. Remove the cable connection at the | ||
black to | ||
engine or frame. Then remove the other end of | ||
5. While charging, periodically measure the | ||
the same cable from the booster battery. | ||
temperature of the electrolyte. If the temperature | ||
11.Remove the other cable by disconnecting at the | ||
exceeds 125° F (51.6° C), or if violent gassing or | ||
discharged battery first and then disconnect the | ||
spewing of electrolyte occurs, the charging rate | ||
opposite end from the booster battery. | ||
must be reduced or temporarily halted to prevent | ||
12. Discard the damp cloths that were placed over | ||
battery damage. | ||
the battery vent caps. | ||
6. Charge the battery until fully charged (until the | ||
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specific gravity of the electrolyte is 1.250 or higher |
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and the electrolyte temperature is at least 60° F). |
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The best method of making certain a battery is |
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fully charged, but not over charged, is to measure |
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the specific gravity of a cell once per hour. The |
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| 45 |