The proper use of electric/hydraulic trim tabs requires a After stabilization of speed and direction, press the up-
basicunderstandingof trimtaboperationandsomeprac- per half of the appropriate trim tab switch to achieve a
tice in calm water. Be sure to read the manufacturer’s level side to side running attitude. Be sure to press the
literature included in the owner’s packet.
correct trim tab switch to obtain the desired result.
The trim tab control uses two (2) momentary-type rocker After pressing a trim tab switch, always wait and allow
switches. The trim tab switches control the attitude or time for the change in trim tab position to take effect. DO
position of the boat. The trim tab switches are labeled by NOT continue to press the trim tab switch while awaiting
position such as “Bow Up” and “Bow Down”. They are trim tab reaction. By the time the effect is noted, the trim
also labeled for “Port” and “Stbd”. When pressed, the tab will move too far and thus overcompensate.
label indicates what happens to the bow of the boat.
B. Induce Planing & Controlling Trim Angle
Before leaving the dock and utilizing the trim tabs, ensure
the trim tabs are in the full up position. Press both lower Trim tabs can also be used to facilitate faster planing and
halvesofthetrimtabswitchesandhold(forapproximately allow better control of the running angle.
seconds) until the tabs are full up.
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.
Wind, loading and many other factors can result in the Thiscanalsobeusedwhenrunningtheboatwithaheavy
boattiltingorleaningtowardsonesidewhilerunning. This loadaboard.
is called listing and can be negated using trim tabs.
Moving the trim tabs downward will increase the lift and
Pressing the lower port trim tab switch will movethestar- the boat will achieve plane faster, or stay on plane at a
board trim tab upward. This will result in the port bow of lower engine and boat speed.
the boat being allowed to rise.
Pressing the lower starboard trim tab switch will cause ing both lower trim tab switches will cause both trim tabs
the port trim tab to move upward and will result in the tomoveupwardandwillallowthebowtorise. Thisshould
starboard bow being allowed to rise.
be used to adjust the running attitude of the boat to de-
crease the drag at cruising speed or above, or when run-
Pressing the upper port trim tab switch will cause the ning in a following sea.
starboard trim tab to move downward and will force the
When running at an engine speed that results in the boat
falling off plane or causes the boat to plane inefficiently,
Pressing the upper starboard trim tab switch will cause lowering both tabs slightly (bow down) will improve the
the port trim tab to move downward and will force the running angle and improve operating efficiency.
Optimum efficiency is obtained when operating at a 3 to
Always establish your intended heading and attain de- 5 degree running angle. Utilizing too much “Bow Down”
sired cruising speed before trying to adjust running atti- trim tab can reduce operating efficiency and cause
tude (using the trim tabs).
tabs is amplified under such conditions. Steering and
handling difficulties can result from improper trim tab us-
tab positioning, raise the trim tabs to the full-up position.
Always press the trim tab switches in short one
second bursts. If pressed too long, you can
NOT try to correct the situation by pressing the
other upper trim tab switch. Instead, raise the
of the trim tab switch.
Sundowner™ Owner’s Manual
|Categories||Four Winns Manuals, Four Winns Sundowner Manuals, Outboard Marine Corporation Manuals|
|Tags||Four Winns Sundowner 205, Four Winns Sundowner 225, Four Winns Sundowner 245, Four Winns Sundowner 285|
|Model Year||2003, 2004, 2005, 2006, 2007, 2008|
|Document Type||Owner's Manual|
|Product Brand||Boats and Cruisers, Four Winns. For support contact your dealer at http://www.fourwinns.com/locate-dealer.aspx|
|Document File Type|
|Wikipedia's Page||Outboard Marine Corporation|
(1 votes, average: 3 out of 3) Marine readers have rated 2003-2008 Four Winns Sundowner 205 225 245 285 Boat Owners Manual 3.0 out of 3.0 based on 1 product reviews.