Long Term Storage - Yanmar 1GM10 Operation Manual

3. Operation
4. Continue to pull out the engine stop
knob (stop lever) until the engine is
completely stopped. If you release the
knob before the engine has completely
stopped, it may restart.
5. Close the fuel tank cock.
6. Close the sea cock.
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Neglecting to close the Kingston cock
will allow water to leak into the boat
and may cause it to sink. Be sure to
close the cock.
Note: The engine may be stopped by
pulling out the decompression
lever, but avoid doing so except in
times of emergency.
In this case, the engine is stopped
by cutting off the air pressure.
However, fuel injection does not
stop, and fuel is leftover in the
combustion chamber.
This will
combustion when the engine is
restarted and is not desirable.
26
lead to abnormal

3.4 Long Term Storage

In cold temperatures or before long term
storage, be sure to drain the water from
the seawater cooling system.
Drain water from the
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cooling system after the engine has
cooled down. Be careful to avoid burns.
If water is left inside, it
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may freeze and damage parts of the
cooling system cylinder block, seawater
pump, etc.)
Cam
Inlet
Packing
Side cover
1. Loosen the drain cock at the side of
the thermostat cover, and drain off the
water inside.
2. Loosen the 3 bolts fixing the side cover
of the seawater pump, remove the
cover and drain the water from inside.
Retighten the bolts when finished.
3. Close the drain cock.
Outlet
Seawater pump body
Impeller
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