5.20 Maintenance of Maintenance-free Battery
Inspection of battery condition
Maintenance-free battery does not need special maintenance ordinarily. Observe the hydrometer
observation hole: green: sufficient power; black: insufficient power; white:
basically no power (Fig. 5-1).
Charge the battery when the observation hole is black; Replace the
battery when the observation hole is white.
Maintenance of battery
Battery shall be stored in a clean, dry and ventilated warehouse at
a temperature of (0 ~ 40)℃. Move carefully to prevent collision and never
be in invert;
Battery terminals and power connectors shall be firmly connected
to prevent melting and corrosion during starting. And wiring terminals shall
be coated with vaseline;
Keep the external terminals of the battery clean;
Regularly check whether the output voltage of the generator meets the standard, and the voltage is
(14.2 ± 0.25) V.
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