48
Helm Control Systems
4.3 Neutral Safety Switch
Every control system has a neutral safety switch
incorporated into it. This device prohibits an en-
gine from being started while the shift lever is in
any position other than the neutral position. If
the engine will not start, slight movement of the
shift lever may be necessary to locate the neutral
position and disengage the safety cutout switch.
Control adjustments may be required to correct
this condition should it persist. See your Scout
dealer for necessary control adjustments.
The neutral safety switches should be tested peri-
odically to ensure that they are operating properly.
To test the neutral safety switches, make sure the
engines are tilted down and move the shift levers
to the forward position.
Make sure the throttle control levers are not
advanced past the idle position. Press the
Start Button or turn the key just long enough to
briefly engage the starter for the engine.
Notice:
Some outboard control systems are equipped
with a computer controlled start feature that
will keep the starter engaged until the engine
starts if the neutral safety switch fails and
allows the starter to engage.
The starter should not engage for any engine.
Repeat this test with the shift levers in reverse
and the engine throttles at idle. Again, the starter
should not engage for any engine. If the starter
for any engine engages with the shift controls in
any position other than the neutral position, then
the neutral safety switch is not functioning prop-
erly and you should contact your dealer to have
the neutral safety switch repaired by a qualified
marine mechanic before using the boat. If an
engine starts in gear during this test, immediately
move the control lever to the neutral position and
turn the engine off.
WARNING
IN SOME SITUATIONS, IT MAY BE POSSIBLE TO ACCIDENTALLY
START THE ENGINES IN GEAR WITH THE THROTTLES ABOVE
IDLE IF THE NEUTRAL SAFETY SWITCH IS NOT OPERATING
PROPERLY. THIS WOULD CAUSE THE BOAT TO ACCELERATE
UNEXPECTEDLY IN FORWARD OR REVERSE AND COULD
RESULT IN LOSS OF CONTROL, DAMAGE TO THE BOAT OR
INJURY TO PASSENGERS. ALWAYS TEST THE NEUTRAL
SAFETY SWITCH PERIODICALLY AND CORRECT ANY
PROBLEMS BEFORE USING THE BOAT.
4.4 Engine Power Tilt & Trim
All outboard engines are equipped with a tilt and
trim feature. On most outboard boats, tilt/trim
switches are built into the engine shift and throttle
controls that allow the operator to control the po-
sition of the outboards from the helm. Typically,
a switch or switches on the port control lever grip
activates the tilt/trim for all engines simultaneously.
Yamaha engine controls have three switches for
triple engines or quad engines on the cover that
activate each engine tilt/trim individually. The
maximum tilt angle is usually preset at the fac-
tory. If necessary, the maximum tilt angle can be
adjusted by your Scout or engine dealer by repro-
gramming the settings using a computer controlled
diagnostic system.
Moving the outboards closer to the boat transom
is called trimming “in” or “down.” Moving the out
-
boards further away from the boat transom is called
trimming “out” or “up.” In most cases, the boat
will run best with the outboards adjusted so the
hull will run at a 3 to 5 degree angle to the water.
The term “trim” generally refers to the adjustment
Yamaha Triple Engine Trim Switches
https://www.boat-manuals.com/
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Страница 183: ...183 MAINTENANCE LOG Appendix C Date Hours Dealer Service Repairs https www boat manuals com ...
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Страница 189: ...189 Appendix D BOATING ACCIDENT REPORT https www boat manuals com ...
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