Chapter 4: Controls and Gauges
490 Motoryacht • Owner’s Manual
36
Trim Tabs
•
The trim tabs may
be used to help keep
your yacht level at
cruising speeds.
•
The trim tabs are
controlled by two
rocker switches at
the helm.
•
Before using the
trim tabs read and
understand the trim
tab operation man-
ual.
Note the following:
•
Once cruising speed is reached, the port or starboard trim switch may be used (one at a time) to level the
yacht.
•
Perform trim tab adjustment with several short touches to the switch rather than one long one.
•
After each short touch allow several seconds for the hull to react.
•
The trim tab hydraulic fluid reservoir is located in the engine compartment. The fluid level must be checked
periodically (at least once a year) and refilled as necessary.
LOSS OF CONTROL HAZARD!
Improper use of trim tabs will cause loss of control!
•
Do not allow anyone unfamiliar with trim tabs to use them.
•
Do not use trim tabs in a following sea as they will cause broaching or other unsafe
handling characteristics.
•
Do not use trim tabs to compensate for excessive unequal weight distribution.
WA R N I N G !
!
TRIM TAB
(TYPICAL)
TRANSOM
VIEW OF DASH
TYPICAL TRIM TAB
(TRANSOM VIEW)
TRIM TAB
SWITCHES
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