Sea Ray 290 Sundancer Manual do Proprietário Página 64

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SECTION 4 • BILGE & UNDERWATER GEAR
4.6
290 Sundancer
®
TO CLEAN THE STRAINER
1. Close the seacock by turning the handle against
water fl ow (horizontally).
NOTE: Some seacocks are equipped with
locking tee handles which must be loosened
before operating the handle.
As a safety measure, close all seacocks when
leav ing boat for any length of time to impede wa ter
ingress in the event of water hose failure.
! CAUTION
While being towed, you must close all main en gine
and generator engine seacocks to pre vent wa ter from
being forced into the engine’s ex haust and causing
internal damage.
NOTICE
WING
NUT
O-RING
SCREEN
HANDLE
STRAIN ER
SEACOCK
SEACOCK &
S
TRAINER
(FIG. 4.6.2)
SEACOCK & STRAINER INSTALLATION
(TYPICAL)
(FIG. 4.6.1)
SEACOCK
HANDLE
(OPEN POSITION)
STRAIN ER
SCREEN
SEA WA TER
IN TAKE
SEACOCK
STRAIN ER
BILGE
FLOOR
STRING ER
4. SEACOCKS & STRAIN ERS
Seacocks and strainers provide cooling water to
the optional generator and A/C units located in the
bilge area.
To open the seacock, turn the handle in line with
water fl ow (vertically). To close, turn the handle
against water flow (horizontally). The strainers
should be inspected frequently and cleaned out
when plugged. If operation of the air conditioning
is excessive it is important that the A/C unit strainer
is inspected more frequently than other strainers.
The seacock body should be inspected and
lubricated annually.
localized forces that they erode the surface of the
object. In the case of the propeller, such damage
is sometimes called a “burn”. It may be caused by
an irregularity in the propeller’s leading edge, and it
should be corrected by reconditioning the propeller
or by replacement.
Cavitation is a normal occurrence in modern sport
boats, and propeller inspection should be part of
routine maintenance.
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