Technical information

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6.7.1 Battery
Service and Maintenance 6.7 Accessories
6.7.1.1 Check Battery and Cable
Connectors
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
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 base of these.
● Without testers:
Electrolyte level should be 10-15 mm above top
of plates.
● If necessary, top up with distilled water.
● Screw sealing caps back in.
● Measure electrolyte density of individual cells
with commercial hydrometer.
Hydrometer reading (see table on following page)
indicates battery’s state of charge.
During measurement, temperature of electrolyte
should preferably be +20°C.
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