Troubleshooting, Adjustment & Service

BATTERY SERVICE

WARNING

Keep open flames and sparks away from the battery; the gasses coming from it are highly explosive. Ventilate the battery well during charging.

Checking Battery Voltage

A voltmeter can be used to determine condition of bat- tery. When engine is off, the voltmeter shows battery voltage, which should be 12 volts. When engine is run- ning, the voltmeter shows voltage of charging circuit which normally is 13 to 14 volts.

A dead battery or one too weak to start the engine may not mean the battery needs to be replaced. For exam- ple, it may mean that the alternator is not charging the battery properly. If there is any doubt about the cause of the problem, see your dealer. If you need to replace the battery, follow the steps under Cleaning the Battery & Cables in the Regular Maintenance Section.

Charging a Completely Discharged Battery

1.Be aware of all the safety precautions you should observe during the charging operation. If you are unfamiliar with the use of a battery charger and hydrometer, have the battery serviced by your dealer.

2.Add distilled water sufficient to cover the plate (fill to the proper level near the end of the charge). If the battery is extremely cold, allow it to warm before adding water because the water level will rise as it warms. Also, an extremely cold battery will not accept a normal charge until it becomes warm.

3.Always unplug or turn the charger off before attach- ing or removing the clamp connections.

4.Carefully attach the clamps to the battery in proper polarity (usually red to [+] positive and black to [-] negative).

5.While charging, periodically measure the tempera- ture of the electrolyte. If the temperature exceeds 125° F (51.6° C), or if violent gassing or spewing of electrolyte occurs, the charging rate must be reduced or temporarily halted to prevent battery damage.

6.Charge the battery until fully charged (until the spe- cific gravity of the electrolyte is 1.250 or higher and the electrolyte temperature is at least 60° F). The best method of making certain a battery is fully charged, but not over charged, is to measure the specific gravity of a cell once per hour. The battery is fully charged when the cells are gassing freely at low charging rate and less than 0.003 change in spe- cific gravity occurs over a three hour period.

Jump Starting With Auxiliary (Booster) Battery

Jump starting is not recommended. However, if it must be done, follow these directions. Both booster and dis- charged batteries should be treated carefully when using jumper cables. Follow the steps below EXACTLY, being careful not to cause sparks. Refer to Figure 34.

1.Both batteries must be of the same voltage.

2.Position the vehicle with the booster battery adjacent to the vehicle with the discharged battery so that booster cables can be connected easily to the batter- ies in both vehicles. Make certain vehicles do not touch each other.

3.Wear safety glasses and shield eyes and face from batteries at all times. Be sure vent caps are tight. Place damp cloth over vent caps on both batteries.

4.Connect positive (+) cable to positive post of dis- charged battery (wired to starter or solenoid).

5.Connect the other end of same cable to same post marked positive (+) on booster battery.

6.Connect the second cable negative (-) to other post of booster battery.

7.Make final connection on engine block of stalled vehicle away from battery. Do not lean over batter- ies.

8.Start the engine of the vehicle with the booster bat- tery. Wait a few minutes, then attempt to start the engine of the vehicle with the discharged battery.

9.If the vehicle does not start after cranking for thirty seconds, STOP PROCEDURE. More than thirty sec- onds seldom starts the engine unless some mechan- ical adjustment is made.

10.After starting, allow the engine to return to idle speed. Remove the cable connection at the engine or frame. Then remove the other end of the same cable from the booster battery.

11.Remove the other cable by disconnecting at the dis- charged battery first and then disconnect the oppo- site end from the booster battery.

12.Discard the damp cloths that were placed over the battery vent caps.

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Ferris Industries DDSKAV23CE manual Battery Service, Checking Battery Voltage, Charging a Completely Discharged Battery
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DDSKAV17CE, DDSKAV15CE, DDSKAV23CE specifications

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