Jungheinrich ESD 220 Operating Instructions Manual page 172

4.3.3 Weekly
– After re-charging, carry out a visual inspection for dirt and physical damage.
– If the battery is charged regularly according to the IU characteristic, carry out a
compensation charge.
4.3.4 Monthly
– Towards the end of the charging process measure and record the voltages of all
the cells with the charger switched on.
– After charging measure and record the electrolyte density and the electrolyte
temperature in all the cells.
– Compare the results with the previous ones.
Z
If you find significant differences compared with the previous measurements or
differences between the cells, contact the manufacturer's customer service
department.
4.3.5 Annually
– Measure the insulation resistance of the truck in accordance with EN 1175-1.
– Measure the insulation resistance of the battery in accordance with DIN EN 1987-1.
Z
In accordance with DIN EN 50272-3 the battery insulation resistance should not be
less than 50 Ω per volt of rated voltage.
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