123
TRIM TAB SYSTEM
The purpose of the Trim Tab System on
your 43MY is to assist in reaching planing
speed as soon as possible and to main-
tain a proper “running attitude” while in
forward motion. “Running Attitude” is
defined as the level of the boat, both fore
and aft and athwartships, while the vessel
is underway. Your yacht, upon reaching
planing speed, should rise slightly in the
bow and should not list to either side for
the greatest stability and fuel economy.
Your 43MY is equipped with two(2)
Bennett trim tabs, each measuring 12” x
24”, which are mounted on the trailing
edge of the transom(See photograph
below, which illustrate the location of the
port trim tab).
Each trim tab operates independently of
each other and they are controlled by
separate rocker-type switches, located on
the Helm Switch Panel (Refer to the
Electrical Pages in this section of this
Owners manual for the location of these
switches). Each trim tab is actuated by a
hydraulic cylinder, which moves them in
an Up or Down motion.
The position as determined by depressing
the rocker-type switches as follows:
• Depressing the TOP of the switch
lowers the trim tab.
• Depressing the BOTTOM of the
switch raises the trim tab.
The Trim Tab System operates in the
following manner:
✔The function of the trim tab is to redirect
the flow of water beyond the bottom of the
transom. This creates an upward pressure
on the hull bottom at the transom, which
results in lowering the bow.
✔When the Port trim tab is lowered, the
Port stern section is raised, which lowers
the Starboard side of the bow.
✔When the Starboard trim tab is lowered,
the Starboard stern section is raised,
which lowers the Port side of the bow.
✔Both trim tabs should be lowered/raised
as needed to maintain a proper “Running
Attitude”.
Operation of the Trim Tab System may
require practice to attain a level of
proficiency. DO NOT operate either trim
tab to its extreme lowered position
suddenly. This may cause the bow to
lower to an unsafe position while head-
ing into or away from waves, which may
cause “swamping” of your yacht, result-
ing in possible injury or death. DO
operate the trim tab switches with short
“bursts” until the desired “Running
Attitude” is obtained.
To Next Page
Loading...