Features & Controls; Remote Control Features; Warning System - Electric Start Models; Warning Horn System (Manual Start Models) - Mercury 30 Manual

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FEATURES & CONTROLS
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REMOTE CONTROL FEATURES

Your boat may be equipped with one of the Mercury Precision or Quicksilver
remote controls shown. If not, consult your dealer for a description of the functions
and operations of the remote control.
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Control Handle – Forward, Neutral, Reverse.
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Neutral Release Lever
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Trim/Tilt Switch (if Equipped) – Refer to Power Trim Operation.
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Lanyard Stop Switch – Read the Lanyard Stop Switch safety explanation and
Warning in the General Information Section.
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Lanyard – Read the lanyard stop switch safety explanation and warning in the
General Information Section.
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Throttle Friction Adjustment – Console Controls require cover removal for
adjustment.
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Ignition Key Switch – Off, On, Start, Choke
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Fast Idle Lever – Raising lever will increase engine idle speed in neutral. Refer
to Starting the Engine in the Operation Section.
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Throttle Only Button – Pushing in the button will enable you to advance the
control handle for increasing engine idle speed without shifting outboard into
gear. Refer to Starting the Engine in the Operation Section.
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WARNING SYSTEM - ELECTRIC START MODELS

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The outboard warning system incorporates a warning horn inside the boat. The
warning horn may be located inside the remote control (a) or under the dash
connected to the ignition key switch (b). On tiller handle models, the warning
horn is located on the remote key switch panel (c).
The warning horn will emit a continuous beep. This will alert the operator to one
of two problems: EITHER an engine overheat condition OR low oil level in the oil
injection tank. See explanations "2" and "3" following.
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Engine overheat If the engine overheats, the warning horn will sound.
Immediately reduce throttle speed to idle. Shift outboard into neutral and check
for a steady stream of water (d) coming out of the water pump indicator hole.
If no water (d) is coming out of the water pump indicator hole or flow is intermittent,
stop engine and check water intake for obstruction. If no obstruction is found, this
may indicate a blockage in the cooling system or a water pump problem. Have the
outboard checked by your dealer. Operating the engine while overheated will
cause engine damage. See the following note.
90-10116R30
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WARNING SYSTEM - ELECTRIC START MODELS
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(CONTINUED)
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Engine overheat (Continued)
If a steady stream of water (c) is coming out of the water pump indicator hole, and
the warning horn continues to sound, there still may be insufficient cooling water
or an engine problem. Stop engine and have it checked by your dealer. Operating
the engine while overheated will cause engine damage. See the following note.
Note: Should this occur and you are in a stranded situation, stopping the engine
and allowing it to cool back down will usually allow some additional low speed (idle)
running time before the engine starts to overheat again.
The overheat problem must be corrected before you can resume normal
operation.
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Low oil level in the oil injection system. If the oil level drops below the sight
gauge in the cowl when the outboard is sitting in a vertical position , the warning
horn will sound. You still have an oil reserve remaining for 30 minutes of full
speed operation. Refer to Fuel Section for refilling instructions.
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WARNING HORN SYSTEM (MANUAL START MODELS)

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The warning horn (located beneath the bottom cowl) will sound if engine
overheats.
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Engine overheat. If the engine overheats, the warning horn will sound and the
warning system will automatically limit the engine speed to 2500 RPM.
Immediately reduce throttle speed to idle. Shift outboard into neutral and check
for a steady stream of water (a) coming out of the water pump indicator hole.
If no water (a) is coming out of the water pump indicator or flow is intermittent, stop
engine and check water intakes for obstruction. If no obstruction is found, may
indicate a blockage in the cooling system or water pump problem. Have the
outboard checked by your dealer. Operating the engine while overheated will
cause engine damage. See Note following.
Even if a steady stream of water is coming out of the water pump indicator, there
still may be insufficient cooling water or an engine problem. Stop engine and have
it checked by your dealer. Operating the engine while overheated will cause engine
damage. See Note following.
Note: Should this occur and you are in a stranded situation, stopping the engine
and allowing it to cool back down will give you some low speed (idle) running time
before the engine starts to overheat again.
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