2.19 Electrical and electronic systems
2.19.1 General
2.19.2 Batteries
Maintenance instructions
Electrolyte level approx. 15 mm above the top of
the plates.
• Refill with distilled or de-ionized water when
necessary.
NOTE:
Tap water reduces the electrical power of the
battery.
Pay attention to the utmost cleanliness.
Keep batteries well charged, especially in cold
weather.
Fig. 79
Remove and install batteries
Battery maintenance
• Check the acid level regularly.
• Keep the battery terminals and surfaces clean and dry at all times.
• Lightly grease the undersides of the battery terminals with acid-proof grease.
• Only use commercially available cleaning agents when cleaning the battery housing.
• Do not use cleaning agents containing fuel. Cleaning agents that contain fuel attack the battery housing.
• Only clean batteries with plugs screwed-in. Otherwise, dirt can get into the battery cells. If dirt gets into
a battery cell, the battery's self-discharging is increased and the battery can be damaged.
• Remove plugs with blocked ventilation holes. Clear the ventilation holes using a suitable tool, e.g. a
piece of wire. If the ventilation holes are blocked gases cannot escape.
2.19.3 Electric welding
2. Service and maintenance
Maintenance 67
530.020.020.011 Rev.A
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