Yanmar 4JH45 - Engine Auxiliary Stop Switch

ENGINE OPERATION
70 JH Series Operation Manual
8. Close the seacock (if equipped).
NOTICE
• 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.
• If seawater is left inside the engine, it
may freeze and damage parts of the
cooling system when the ambient
temperature is below 0 °C (32 °F).
Engine Auxiliary Stop Switch
NOTICE
Never use the auxiliary stop switch for a
normal engine shutdown. Use this switch
only when stopping the engine suddenly in
an emergency.
Figure 3
Figure 5
1. Pressing the Auxiliary Stop switch on
the ECU cover will stop the engine
immediately.
2. "AUX STP" will be shown on the LCD of
the instrument panel.
3. After the engine has stopped, release
the switch by pressing and turning it to
the RUN position.
Figure 4
Figure 6
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