B. Power Tilt
Pressing the lower starboard trim tab switch will cause
the starboard trim tab to move upward and will result in
Power tilt allows the operator to raise and lower the drive the port bow being allowed to rise.
unit for trailering, launching, and beaching. Additional
information on power tilt can be found in the engine Depressing the upper port trim tab switch will cause the
manufacturer’s manual included with this manual.
port trim tab to move downward and will force the star-
boardbowdownward.
NOTICE
DO NOT operate the engine with the stern drive
tilted up. Severe damage to the engine drive
system can result. Consult the Engine Owners
manual for specific information.
Depressing the upper starboard trim tab switch will cause
the starboard trim tab to move downward and will force
theport bowdownward.
Always establish your intended heading and attain de-
sired cruising speed before trying to adjust running atti-
tude (using the trim tabs).
B - 7
TRIM TABS
Electric/hydraulic trim tabs are optional and help provide
maximum control of the hull in all water and load condi-
tions. If used properly, trim tabs can
Always press the trim tab switches in short 1/2
second bursts. If depressed too long, you can
overcompensate,andpotentiallylosecontrol. DO
NOT try to correct the situation by depressing
the other upper trim tab switch. Instead, raise
the tab slightly by depressing the appropriate
lower half of the trim tab switch.
a. Compensate for wind and load listing (level the boat
side to side).
b. Inducefasterplaningandhelpachieveoptimumrun-
ning angle (see Section B-6 RunningAngle & Power
Trim/Tilt)
Afterstabilizationofspeedanddirection,depresstheupper
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.
The proper use of electric/hydraulic trim tabs requires a
basicunderstandingoftrimtaboperationandsomeprac-
tice in calm water.
The trim tab control uses two (2) momentary-type rocker
switches. The trim tab switches control the attitude or
position of the boat. The trim tab switches are labeled by
position such as “Bow Up” and “Bow Down”. They are
also labeled for “Port” and “Stbd”. When depressed, the
label indicates what happens to the bow of the boat.
After depressing a trim tab switch, always wait and allow
time for the change in trim tab position to take effect. DO
NOTcontinuetodepressthetrimtabswitchwhileawaiting
trim tab reaction. By the time the effect is noted, the trim
tab will move too far and thus overcompensate.
B. Induce Planing & Controlling Trim Angle
Before leaving the dock and utilizing the trim tabs, en-
sure the trim tabs are in the full up position. Depress
both lower halves of the trim tab switches and hold (for
approximately 10 seconds) until the tabs are full up.
Trim tabs can also be used to facilitate faster planing and
allow better control of the running angle.
Beforeacceleratingandtryingtogainplane,depressboth
upper trim tab switches. This will cause both trim tabs to
move downward and force the bow down when running.
Thiscanalsobeusedwhenrunningtheboatwithaheavy
loadaboard.
A. ControlListing
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 he port
trim tab upward. This will result in the starboard bow of
the boat being allowed to rise.
Vista Owners Manual
10/93
Section B
Page6
| Categories | Four Winns Manuals, Outboard Marine Corporation Manuals |
|---|---|
| Model Year | 1998, 1999 |
| Download File |
|
| Document Type | Owner's Manual |
| Language | English |
| Product Brand | Boats and Cruisers, Four Winns. For support contact your dealer at http://www.fourwinns.com/locate-dealer.aspx |
| Document File Type | |
| Publisher | fourwinns.com |
| Wikipedia's Page | Outboard Marine Corporation |
| Copyright | Attribution Non-commercial |
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