Yanmar 6LY3 series Operation Manual page 70

ENGINE OPERATION
CAUTION
NEVER turn off the battery
switch (if equipped) or short the
battery cables during operation.
Damage to the electric system
will result.
CAUTION
NEVER use the Emergency Stop
switch for a normal engine
shutdown. Use this switch only
when stopping the engine
suddenly in an emergency.
CAUTION
Be sure to close the seacock.
Neglecting to close the seacock
could allow water to leak into the
boat and may cause it to sink.
62
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Observe the following
environmental operating
conditions to maintain engine
performance and avoid
premature engine wear:
0000061en • NEVER run the engine if the
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• See your authorized Yanmar
CAUTION
ambient temperature is above
+40°C (+104°F) or below -16°C
(+5°F)
If the ambient temperature
◆
exceeds +40°C (+104°F) the
engine may overheat and
cause the engine oil to break
down.
If the ambient temperature
◆
falls below -16°C (+5°F)
rubber components such as
gaskets and seals will
harden causing premature
engine wear and damage.
See your authorized Yanmar
◆
marine engine dealer or
distributor if the engine will
be operated in either
temperature extreme.
marine dealer or distributor if
you need to operate the engine
at high altitudes. At high
altitudes the engine will lose
power, run rough, and produce
exhaust gases that exceed the
design specifications.
6LY3 Operation Manual
0000065enMarine