6 Maintenance
Maintenance as required
7090_606-002
– Unscrew the battery cell covers and check
the acid density with an acid siphon.
The acid density must achieve the value in the
table. The listed density of the acid refers to
27°C acid temperature.
Acid density Empty
Full
Normal 1.13 1.28
Droplets
1.08 1.23
WARNING
Risk of explosion! Charging releases
gases that are explosive.
While charging, the surfaces of the
battery cells must be exposed to
ensure sufficient air ventilation.
The charging area must be properly
ventilated.
Keep the bonnet open during
charging; avoid spark formation near
the battery.
– Immediately charge empty batteries until
they are full again.
The charging current shall not exceed 1/10 of
the capacity.
The cell lids of the batteries must be kept dry
and clean.
Any spillage of battery acid must be neu-
tralised immediately.
Terminals and lugs must be clean, lightly
coated with terminal grease and tightly
screwed.
– After charging, screw the battery cell covers
back on.
– Reinstall the floorplate.
206 171673 [EN]
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