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EXPORT POWERDRIVE BATTERY CHARGER (EXTERNAL)
Checking Battery Condition After a Charge Cycle
Page 3-14
2008 Export Battery Charger Maintenance and Service Manual
3
CHECKING BATTERY CONDITION AFTER A CHARGE CYCLE
See General Warning, Section 1, Page 1-1. See additional WARNING on page 3-1.
It is common practice for technicians to check the condition of a set of batteries after they have been charged
to ensure they have received a complete charge before the vehicle is used. With the PowerDrive battery
charger this practice is not necessary. The onboard computer controls and monitors the charge cycle. If any
problem occurs during a charge cycle, the battery warning light, located above the steering column in the cen-
ter dash panel, will illuminate intermittently.
If the battery warning light is illuminated after a charge cycle, refer to the troubleshooting chart.
See Trouble-
shooting on page 3-14.
If the specified test procedures identify no problems, plug the DC cord into the vehi-
cle and let it charge until the charger shuts off automatically. If a problem is found, correct it and charge the
vehicle. Normal battery voltage near the end of a charge cycle should be approximately 59 to 63 volts DC
while the charger is still operating.
START CHARGE CYCLE
1. Disconnect the DC plug from the vehicle charger receptacle.
2. Wait 20 seconds, then reconnect the DC cord to the vehicle receptacle.
See following NOTE.
NOTE:
The charger will not operate unless a delay of approximately 20 seconds is observed.
3. Monitor the ammeter for the charge rate. If the batteries are close to being fully charged, the charge cycle
will begin and the charge current will begin to taper within a few minutes.
TROUBLESHOOTING
See General Warning, Section 1, Page 1-1. See additional WARNING on page 3-1.
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DANGER
• Do not touch any wire or component in the battery charger while AC power is present. Failure
to heed this warning will result in an electric shock.
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WARNING
• Knowledge of battery charger wiring and component terminology is required before
attempting any repair (Figure 3-11, Page 3-13).
• Prior to servicing the charger, disconnect the AC power supply cord from the wall outlet and
the DC plug from the vehicle charger receptacle.
Use the following Troubleshooting Guide for troubleshooting export PowerDrive external battery chargers
(model numbers 18780-11 and 18780-18). The Troubleshooting Guide encompasses the entire battery
charging circuit. Test procedures specified in the Troubleshooting Guide can be found on the following pages.