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Operation and Maintenance
5.4
STARTUP , CARE AND MAINTENANCE OF THE LEAD BATTERY
5.4.1
Startup Specifications for the Lead Battery in Navigation Installations
5.4.1.1
General
For countries in Europe, the sets of lead batteries in the navigation installations are normally supplied
already filled and charged by the manufacturer. On site the batteries then merely need to be installed
and connected to the power supply unit of the navigation installation. Batteries supplied in a non-
filled state to their point of installation must be set up, filled and charged there in accordance with the
manufacturers handling specifications. The batteries can be supplied non-filled in either a dry pre-
charged state, or a non pre-charged state (see 5.4.1.3.2 and 5.4.1.3.3 ). The battery may not be
removed from its transport packing until immediately prior to startup.
Maintenance-free batteries have to be set into operation within half a year after delivery
to prevent drawback in the battery lifetime.
The startup procedure comprises the following stages:
a) Installation on site, interconnection of the cells with the cell connectors and connection to the
electrical installation;
b) Filling with accumulator acid;
c) Immediate subsequent charging or activation of the plates (see 5.4.1.3)
d) Immediate subsequent activation in standby parallel mode.
These instructions do not cover the installation work, but instead deal merely with filling and activation
using tools which, even in remote areas, are either available or easily obtainable. They moreover ap
ply only to batteries for which a rated acid density of 1.24 kg/l is specified by the manufacturer, e.g.
Gro E, iron-clad and block batteries, and not to starter batteries or batteries with a fixed electrolyte.
The aids required are as follows:
Accumulator acid
1 Acid syringe with areometer
1 Thermometer
1 Acid jug (non-metallic)
1 Funnel (non-metallic)
- Float acid level indicator
- Handling specifications
- Battery-charging power supply (BCPS), type FRAKO
- Various resistors
- Single-wire cables (2.5... 6 mm
- Ammeter and voltmeter (accuracy <1 %)
Ed. 01.04
CAUTION
The acid must have a particular density. If this value is incorrect, the mixture
should be made up of high-density sulphuric acid and specially purified wa
ter (see 5.4.1.2.2 ).
supplied with battery
@
)
DVOR 432
Maintenance
5-7
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