Check The Battery - Yanmar 6LY3 series Operation Manual

4. When a fuel filter or fuel filter / water
separator is provided in the hull in
addition to those installed on the
engine, also drain and clean them or
replace the element.
5. After reassembly of the fuel filter / water
separator, be sure to bleed air from the
fuel system. See Bleeding the Fuel
System on page 43.

Check the Battery

A
DANGER
EXPLOSION HAZARD!
• NEVER check the remaining
battery charge by shorting out
the terminals. This will result in
a spark and may cause an
explosion or fire. Use a
hydrometer to check the
remaining battery charge.
• If the electrolyte is frozen,
slowly warm the battery before
you recharge it.
• Failure to comply will result in
death or serious injury.
6LY3 Operation Manual
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• Batteries contain sulfuric acid.
• Failure to comply could result
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PERIODIC MAINTENANCE
A
WARNING
BURN HAZARD!
NEVER allow battery fluid to
come in contact with clothing,
skin or eyes. Severe burns
could result. ALWAYS wear
safety goggles and protective
clothing when servicing the
battery. If battery fluid contacts
the eyes and / or skin,
immediately flush the affected
area with a large amount of
clean water and obtain prompt
medical treatment.
in death or serious injury.
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