DAF LF45, LF55 Series. Manual — part 349
5
LF45/55 series
Charging batteries
BATTERIES
2-3
Buffer charging
-
With this method, the consumer and the
charger are both connected to the battery.
The charger delivers sufficient current to
ensure that the battery remains virtually fully
charged. The battery will deliver peak
currents to the consumer.
-
Buffer charging is best done at a constant
(stabilised) voltage.
Trickle charging
-
A fully charged battery that is not used for
some time will start to discharge of its own
accord. It may discharge at a rate of 0.1%
to 1% per day. Trickle charging
compensates for such discharges.
-
The charging current for trickle charging
should be around 0.1 A per 100 Ah.
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BATTERIES
Charging batteries
LF45/55 series
2-4
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5
LF45/55 series
Storage of batteries
BATTERIES
3-1
3. STORAGE OF BATTERIES
3.1 GENERAL
Before storing batteries, carry out the following
operations:
1. Remove the battery clamps.
2. Clean the battery terminals and the top of
the batteries.
3. Grease the battery terminals with petroleum
jelly.
4. Check the electrolyte level. The electrolyte
level must be approx. 10 mm above the
plates or up to the level indicator, if there is
one.
If necessary, top up the batteries with
distilled water.
5. Check the charging condition of the
batteries and charge them if necessary. See
the section “Inspection and adjustment”.
3.2 STORAGE UP TO FOUR WEEKS.
If batteries (whether as separate units or fitted in
a vehicle) are not going to be used for an
extended period of time not exceeding four
weeks, the following measures should be taken:
1. Do not connect the battery leads to the
batteries.
2. Check the battery charge level regularly.
See “Inspection and adjustment”.
If the voltage falls below 12.4 volts, or if the
relative density of the electrolyte in one or
more of the cells is less than 1.23 kg/dm
3
,
the battery must be charged.
Note:
The higher the ambient temperature, the more
rapidly the battery discharges.
The lower the relative density of the electrolyte,
the higher the risk of the battery freezing.
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BATTERIES
Storage of batteries
LF45/55 series
3-2
3.3 STORAGE FOR MORE THAN FOUR WEEKS
If the batteries will not be used for more than
four weeks, the following measures should be
taken:
1. Remove the batteries from the vehicle and
store them in a frost-free, dry, cool and well
ventilated room.
2. Check the charging condition of the
batteries regularly, at least once every four
weeks. See “Inspection and adjustment”.
If the voltage falls below 12.4 volts, or if the
relative density of the electrolyte in one or
more of the cells is less than 1.23 kg/dm
3
,
the battery must be charged.
3. Limit the storage period to a maximum of
three months. The longer the period of
storage, the greater the permanent loss of
capacity.
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