Hunter MH37, Operator'S Manual

Page: 164 / 271

Water Systems
9.4
Fgure 9.8
Fgure 9.9
Fgure 9.10
Fgure 9.11
9.3.3 Engine Pickups and Strainers
For your engne to reman at a specfc temperature when
operatng, t wll need the assstance of raw water. Heat
from the closed coolng system on the engnes s trans-
ferred to the cooler seawater through heat exchangers
nsde the engne. The raw water s then dscharged
through the exhaust.
Wth a saldrve confguraton, the seawater pckup s
ncorporated wthn the sal drve leg and screened
nternally. Please refer the engne manufacturer’s OEM
manual for detals on the pckup and straner.
CAUTION
! !
Before using any system that requires raw cooling
water, ensure that the intake valve is opened and the
strainers are not clogged.
WARNING
! !
Hot coolant under pressure may boil or explode
causing burns or other personal injury when the
pressure cap is removed. Allow the engine to cool,
fully clockwse.
Fgure 9.7
CAUTION
! !
It is very important to ensure the intake valve is
open before using a raw water supplied system.
Failure to do so could damage or break down the
system or component.
9.3.2 Strainers
Your boat s equpped wth straners (Fg. 9.8 - 9.11) that
stran the raw water taken n the pckups, or thru-hulls,
for objects that could damage the mpeller or pump
equpment. They are equpped wth a screen or flter that
collect these objects. They must be cleaned as part of
routne mantenance.
To clean a straner:
Ensure the ntake valve s n the off or closed pos-
ton. Falure to close the ntake valve could result n
a flooded boat.
Remove the “collector” or glass encasement that
houses the screen.
Remove any objects collected nsde and wash the
screen.
If an ‘o’ rng s present n the seal on the cap, check
t for wear or leakage and replace f needed (contact
your dealer for replacement).
Return the screen and glass encasement.
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