3.6. Lubrication and Maintenance Operations
3.6.14. Inspect the battery
Stop the engine and use disconnector to disconnect the wir-•
ing.
Clean the battery surface.•
Inspect the condition of poles and terminals. Clean the poles •
and terminals. Apply thin layer of grease on terminals.
In case of a maintenance-free battery (the battery has no •
freely accessible plugs), only the no-load voltage on ter-
minals is checked. The batteries cannot be replenished. If
the no-load voltage is 12.6 V and more, the battery is fully
charged. If the no-load voltage is below 12.2 V, the battery
should be charged immediately. After it has been charged,
leave the battery at rest for 2 – 3 hours and then measure the
no-load voltage again. It is recommended to be mounted 24
hours after charging.
Open the battery cell plugs (2) to check electrolyte level to •
conrm the electrolyte level reaches 5 ÷ 15 mm (0.2÷0.6 in)
above the plates (electrodes) in all the cells, or to the bot-
tom edge of the gauge inside the battery cells. Rell with
distilled water those cells having electrolyte less than 5 mm
(0.2 in) above the plates.
Measure the electrolyte density in individual cells with the •
refractometer or density meter.
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