6
© 2001
Service and Maintenance 6.7 Accessories
6.7.1.2 Check Electrolyte Level 6.7.1.3 Check electrolyte
density
● Keep battery clean and dry.
● Undo dirty clamps.
● Clean terminal posts (+ and -) and clamps
of the battery, and grease with acid-free
and acid-resistant grease.
● When reassembling, ensure that clamps
make good contact. Tighten clamp bolts
hand-tight.
● Remove sealing caps 1.
● If testers 2 are present: Electrolyte level
should reach the base of these.
● Without testers:
The electrolyte level should be 10-15 mm
above the top of the plates.
● If necessary, top up with distilled water.
● Screw sealing caps back in.
● Measure the electrolyte density of indi-
vidual cells with a commercial hydrometer.
The hydrometer reading (see table on fol-
lowing page) indicates the battery’s state
of charge.
During measurement, the temperature of
the electrolyte should preferably be +20 °C.
6.7.1 Battery
6.7.1.1 Checking battery and
cable connectors
© 25 895 0 © 24 232 3 © 25 896 0
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