underwater. TheV-drivesystemhastheenginemounted Proper performance of the shaft seal is directly depen-
in the extreme stern of the boat with the output shaft dent upon correct propeller shaft alignment. Propeller
facing forward. A transmission which performs shifting damage, a bent strut or shaft, or abnormal wear, settling,
functions is mounted directly onto the engine. AV-drive etc., are common reasons for misalignment. Therefore,
reduction gearbox is mounted directly to the transmis- periodically have the shaft alignment checked and have
sion. The prop shaft is then connected to the V-drive adjustments made when necessary.
output coupling. See Figure E1.
To prevent personal injury, keep away from the
propulsion machinery during its operation or
whenever the boat is in motion. Movement of
water past a propeller can cause the propeller,
propeller shaft, and other propulsion machinery
to rotate even if that equipment is not being
Always return the engine throttle lever to the ex-
shift the unit while engine speed is above
Figure E2: Underwater Equipment
E - 4
To prevent water from entering into the boat, al-
ways be sure the lock nuts are tightened se-
curely to prevent the packing nuts from loosen-
ing. DO NOT attempt to tighten the lock nuts
without the proper equipment to hold the pac-
king nut stationary.
object. Serious damage to the engine(s) or in-
board underwater gear can result and the boat
rence, proceed at low speed to the nearest ser-
vice facility and have an immediate inspection
made of the prop shafts and struts before further
use of the craft. Keep all life saving devices at
hand while driving to a dock area. If the boat
cannot be immediately removed from the water,
thoroughly inspect the bilge area for leaks so
that the boat does not sink while moored.
The strut secures the lower end of the propeller shaft.
Seasonal inspection of each strut should be made to in-
sure no damage has incurred and the strut bearing is not
When the boat is removed from the water for winteriza-
tion or general maintenance, apply a light water proof
the shaft where it penetrates the strut bearing. This will
keep the strut bearing from drying out. Replace the strut
bearing should it become worn or cracked.
A. Shaft Log
The shaft log allows the propeller shaft to extend and
rotate through the hull with only limited water leakage
occurring. Minor dripping may occur and is not abnormal
during operation. See Figure E1 & E2.
378 Vista™ Owner’s Manual
|Categories||Four Winns Manuals, Four Winns Vista Manuals, Outboard Marine Corporation Manuals|
|Tags||Four Winns Vista 378|
|Model Year||2002, 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: 4 out of 4) Marine readers have rated 2002-2008 Four Winns Vista 378 Boat Owners Manual 4.0 out of 4.0 based on 1 product reviews.
great very informative. should not have to fill this out for a manule though