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Figure E3: Trim Tab Switches
Before.leaving.the.dock.and.utilizing.the.trim.tabs,..
ensure.the.trim.tabs.are.in.the.full.up.position..Press.
both.lower.halves.of.the.trim.tab.switches.and.hold..
(for.approximately.10.seconds).until.the.tabs.are.full.up.
A. Control Listing
Wind,.loading.and.many.other.factors.can.result.in.the.
boat.tilting.or.leaning.towards.one.side.while.running...
This.is.called.listing.and.can.be.negated.using.trim.
tabs..
Pressing.the.lower.port.trim.tab.switch.will.move.the.
starboard.trim.tab.upward...This.will.result.in.the.port.
bow.of.the.boat.being.allowed.to.rise..
.
Pressing.the.lower.starboard.trim.tab.switch.will.cause.
the.port.trim.tab.to.move.upward.and.will.result.in.the.
starboard.bow.being.allowed.to.rise.
Pressing.the.upper.port.trim.tab.switch.will.cause.the.
starboard.trim.tab.to.move.downward.and.will.force..
the.port.bow.downward.
Pressing.the.upper.starboard.trim.tab.switch.will.cause.
the.port.trim.tab.to.move.downward.and.will.force.the.
starboard.bow.downward..
Always.establish.your.intended.heading.and.attain.
desired.cruising.speed.before.trying.to.adjust.running.
attitude.(using.the.trim.tabs).
Engines and Instrumentation - Section E
Always press the trim tab switches in short one
() second bursts. If pressed too long, you can
overcompensate, and potentially lose control.
DO NOT try to correct the situation by pressing
the other upper trim tab switch. Instead, raise
the tab slightly by pressing the appropriate
lower half of the trim tab switch.
After.stabilization.of.speed.and.direction,.press.the..
upper.half.of.the.appropriate.trim.tab.switch.to.
achieve.a.level.side.to.side.running.attitude..Be.sure.
to.press.the.correct.trim.tab.switch.to.obtain.the.
desired.result.
After.pressing.a.trim.tab.switch,.always.wait.and.
allow.time.for.the.change.in.trim.tab.position.to.take.
effect...DO.NOT.continue.to.press.the.trim.tab.switch.
while.awaiting.trim.tab.reaction..By.the.time.the.ef-
fect.is.noted,.the.trim.tab.will.move.too.far.and.thus.
overcompensate.
B. Induce Planing & Controlling Trim Angle
Trim.tabs.can.also.be.used.to.facilitate.faster.planing.
and.allow.better.control.of.the.running.angle.
Before.accelerating.and.trying.to.gain.plane,.press.
both.upper.trim.tab.switches..This.will.cause.both.
trim.tabs.to.move.downward.and.force.the.bow.down.
when.running..This.can.also.be.used.when.running.
the.boat.with.a.heavy.load.aboard.
Moving.the.trim.tabs.downward.will.increase.the.lift.
and.the.boat.will.achieve.plane.faster,.or.stay.on.
plane.at.a.lower.engine.and.boat.speed.
After.gaining.plane.and.establishing.cruising.speed,.
pressing.both.lower.trim.tab.switches.will.cause.both.
trim.tabs.to.move.upward.and.will.allow.the.bow.
to.rise..This.should.be.used.to.adjust.the.running.
attitude.of.the.boat.to.decrease.the.drag.at.cruising.
speed.or.above,.or.when.running.in.a.following.sea.
When.running.at.an.engine.speed.that.results.in.the.
boat.falling.off.plane.or.causes.the.boat.to.plane.
inefficiently, lowering both tabs slightly (bow down)
will.improve.the.running.angle.and.improve.operating.
efficiency.
Optimum efficiency is obtained when operating at a
3.to.5.degree.running.angle..Utilizing.too.much."Bow.
Down" trim tab can reduce operating efficiency and
Owner's Manual Page
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