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Содержание Cherokee XJ 1999

Страница 1: ...glass of the indicator will reveal the battery condition Refer to Built In Test Indicator in the Diagnosis and Testing section of this group for more information This group covers only the battery di...

Страница 2: ...of electrical current through the load device attached to the bat tery terminals As the plate materials become more similar chem ically and the electrolyte becomes less acid the volt age potential of...

Страница 3: ...ture Sensor in the Description and Opera tion section of Group 8C Charging System for more information on this component When installing a battery be certain that the hold down fasteners are tightened...

Страница 4: ...one of three ways If the battery has a built in test indicator view the test indicator to determine the state of charge If the battery has no test indicator but has removable cell caps perform the hyd...

Страница 5: ...erminal connections if required 4 Determine the battery state of charge Refer to Built In Test Indicator Hydrometer Test or Open Circuit Voltage Test in the Diagnosis and Testing section of this group...

Страница 6: ...m in the Diagnosis and Testing section of Group 8C Charging System for more information Repair the charging system if required 8 Inspect the vehicle for aftermarket electrical equipment which might ca...

Страница 7: ...sted Refer to Load Test in the Diagnosis and Testing section of this group for more information Black or Dark indicates 0 to 75 state of charge The battery is inadequately charged and must be charged...

Страница 8: ...y battery failure To read the hydrometer correctly hold it with the top surface of the electrolyte at eye level Fig 4 Hydrometer floats are generally calibrated to indi cate the specific gravity corre...

Страница 9: ...letely charge the battery Refer to Battery Charging in the Ser vice Procedures section of this group for the proper battery charging procedures 1 Before measuring the open circuit voltage the surface...

Страница 10: ...c tions provided by the manufacturer of the tester you are using Check the open circuit voltage no load of the battery Refer to Open Circuit Voltage Test in the Diagnosis and Testing section of this g...

Страница 11: ...L CAPS The following operation will require a voltmeter accurate to 1 10 0 10 volt Before performing the tests be certain the following procedures are accom plished The battery is fully charged Refer...

Страница 12: ...nition switch in the Off position and all non ignition controlled circuits in proper working order The twenty five milliamperes are needed to enable the memory functions for the Powertrain Con trol Mo...

Страница 13: ...rom the generator If the amperage reading now becomes very low or nonexistent refer to Charging System in the Diagnosis and Testing section of Group 8C Charging System to diagnose the condition After...

Страница 14: ...completely discharged battery Unless this proce dure is properly followed a good battery may be needlessly replaced 1 Measure the voltage at the battery posts with a voltmeter accurate to 1 10 0 10 v...

Страница 15: ...minal clamps for corrosion and damage Remove any corrosion using a wire brush or a post and terminal cleaning tool and a sodium bicarbonate baking soda and warm water cleaning solution Fig 16 Replace...

Страница 16: ...tery case and the top cover with a sodium bicarbonate baking soda and warm water cleaning solution to remove any acid film Fig 19 Rinse the battery with clean water Ensure that the cleaning solution d...

Страница 17: ...the battery positive cable terminal clamp Then connect and tighten the bat tery negative cable terminal clamp Tighten both bat tery cable terminal clamp bolts to 8 5 N m 75 in lbs 5 Apply a thin coat...

Страница 18: ......

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