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Maintenance. Electrical system
Batteries. Maintenance
WARNING! Fire and explosion hazard. Batter-
ies must never be exposed to open flames or
sparks.
WARNING! Never confuse the positive and
negative poles on the batteries. Risk of arcing
and explosion.
WARNING! Battery electrolyte is highly corro-
sive. Always protect your eyes, skin and clothes
when handling batteries. Always use protective
goggles and gloves. If acid comes into contact
with your skin, wash at once with soap and a
lot of water. If you get battery acid in your eyes,
flush at once with a lot of water, and get medical
assistance at once.
Connection and disconnection
When you connect batteries, first connect the + cable
(red) to the + pole on the battery. Then connect the
– cable (black) to the – pole on the battery
When you disconnect batteries, disconnect the – ca-
ble (black) first, then the + cable (red).
Cleaning
Keep the batteries dry and clean. Contamination and
oxide on the batteries and battery poles can cause
stray currents, voltage drop and discharge, especially
in wet weather. Clean oxidation from the battery
poles and terminals, using a copper brush. Tighten
the terminals securely and grease them with terminal
grease or Vaseline.
Electrolyte level
The electrolyte level should be 5–10 mm (0.2–0.4”)
above the cell plates in the battery. Top up with bat-
tery water as necessary. After topping up, the bat-
teries should be charged by connecting them to a
battery charger, or by running the engine at normal
speed for 30 minutes.
NOTE! Some maintenance-free batteries have spe-
cial instructions, which must be observed.
IMPORTANT! Never confuse the positive and
negative poles on the batteries.
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