Regular Maintenance
Battery Service |
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| 6. Charge the battery until fully charged (until the | |
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| specific gravity of the electrolyte is 1.250 or higher | |
WARNING |
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| and the electrolyte temperature is at least 60° F). | ||
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Keep open flames and sparks away from the |
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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 | |||
battery; the gasses coming from it are highly |
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| the specific gravity of a cell once per hour. The | ||||
explosive. Ventilate the battery well during |
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| battery is fully charged when the cells are gassing | |||
charging. |
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| freely at low charging rate and less than 0.003 | ||
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Checking Battery Voltage |
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| change in specific gravity occurs over a three hour | |
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| period. | ||
A voltmeter can be used to determine condition of |
| Jump Starting with Auxillary (Booster) Battery | |||
battery. When engine is off, the voltmeter shows |
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| Jump starting is not recommended. However, if it | |||
battery voltage, which should be 12 volts. When |
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| must be done, follow these directions. Both booster | |||
engine is running, the voltmeter shows voltage of |
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| and discharged batteries should be treated carefully | |||
charging circuit which normally is 13 to 14 volts. |
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| when using jumper cables. Follow the steps below | |||
A dead battery or one too weak to start the engine |
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| EXACTLY, being careful not to cause sparks. Refer to | ||||
may not mean the battery needs to be replaced. |
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| Figure 67. | ||
For example, it may mean that the alternator is not |
| 1. Both batteries must be of the same voltage. | |||
charging the battery properly. If there is any doubt |
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| 2. Position the vehicle with the booster battery | ||||
about the cause of the problem, see your dealer. |
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| Reproduction | ||||
If you need to replace the battery, follow the steps |
| adjacent to the vehicle with the discharged battery | |||
under Cleaning the Battery & Cables in the REGULAR | so that booster cables can be connected easily | ||||
MAINTENANCE Section. |
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| to the batteries in b th vehicles. Make certain | |
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| vehicles do n t t uch each other. | |
Charging a Completely Discharged Battery |
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| 3. Wear safe y glasses and shield eyes and face | ||
1. Be aware of all the safety precautions you should |
| from ba er es at all times. Be sure vent caps are | |||
observe during the charging operation. If you are |
| tight. Pla e damp cloth over vent caps on both | |||
unfamiliar with the use of a battery charger and | forbatteries. | ||||
hydrometer, have the battery serviced by y ur |
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| 4. Connect positive (+) cable to positive post of | ||
dealer. |
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| ischarged battery (wired to starter or solenoid). | |
2. Add distilled water sufficient to cover the plate (fill |
| 5. Connect the other end of same cable to same post | |||
to the proper level near the end of the charge). |
| marked positive (+) on booster battery. | |||
If the battery is extremely cold, allow it to wa m |
| 6. Connect the second cable negative | |||
| Not |
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before adding water because the water level will |
| post of booster battery. | |||
rise as it warms. Also, an extremely cold batt | ry |
| 7. Make final connection on engine block of stalled | ||
will not accept a normal charge until it b com | s |
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| vehicle away from battery. Do not lean over | ||||
warm. |
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| batteries. | ||
3. Always unplug or turn the charger off before |
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| 8. Start the engine of the vehicle with the booster | |||
attaching or removing the clamp connections. |
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| battery. Wait a few minutes, then attempt to start | |||
4. Carefully attach the clamps to the battery in proper | |||||
the engine of the vehicle with the discharged | |||||
polarity (usually red to [+] positive and black to |
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| battery. | ||||
negative). |
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| 9. If the vehicle does not start after cranking for thirty | |
5. While charging, periodically measure the |
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| seconds, STOP PROCEDURE. More than thirty | |||
temperature of the electrolyte. If the temperature |
| seconds seldom starts the engine unless some | |||
exceeds 125° F (51.6° C), or if violent gassing or |
| mechanical adjustment is made. | |||
spewing of electrolyte occurs, the charging rate |
| 10. After starting, allow the engine to return to idle | |||
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must be reduced or temporarily halted to prevent | speed. Remove the cable connection at the engine | |
battery damage. | ||
or frame. Then remove the other end of the same | ||
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| cable from the booster battery. | |
| 11. Remove the other cable by disconnecting at the | |
| discharged battery first and then disconnect the | |
| opposite end from the booster battery. | |
| 12. Discard the damp cloths that were placed over the | |
| battery vent caps. |
46 | www.ferrisindustries.com |