12- 20
Service Manual
LWE130
© BT Europe AB
Electrical system – 5000
Functional description
T-code
Valid from serial number
Date
Order number
675
914369-
2005-09-23
226057-040
12.8.3 On-board battery charger
General
The charger is optimised for gel valve regulated lead batteries. The
charger is protected against dust and water jets (IP65).
The charger is connected to a normal earthed 230 V single-phase wall
socket. The charging process is automatic.
Charging
Connect the charger’s mains plug (Fig. 11 A) to the mains supply. If a
discharged battery is connected, the charger will start with the main
charge (yellow LED (Fig. 11 B) and 28.8 V). When the battery is fully
charged, maintenance charging starts (yellow and green LED (Fig.
11 B & C) and 27.6 V). This continues until the charger switches off. If a
fully charged battery is connected to the charger or if the charger does
not find a connected battery the maintenance charge is started (yellow
and green LED 27.6 V). The charger starts with the main charge (yellow
LED and 28.8 V) after a power failure if a discharged battery is connect-
ed.
The truck’s mains lead can be connected to the mains supply whenever
the truck is not in use to ensure the batteries are always fully charged.
Charging for at least 30 min. is gentle and consequently does not short-
en the life of the battery. It is however necessary for the truck to be
recharged once a week over night or for at least 10 hours.
A
C
B
Fig. 11 On-board battery charger
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