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Fig.IO Suggested Battery Installation
duct ion gears
tbat are
also water
cooled, in
wbicb case tbe manufac-
turer
recommends tbat
tbe cooling
water
enter at
tbis point and
be
piped from tbere to tbe engine.
Installation of
the water scoop is
a simple
process.
A
3"
square by
3/4"
thick block" is fastened to tbe
inside
of tbe
bottom of
tbe bull
witb
four wood
screws and
set in
bedding
compound.
A bole is
then
drilled tbrougb
the block and bull
the same diameter as
the
outside
di~cnsion
of tbe water scoop pipe.
The scoop pipe is
then inserted in
tbe
h~le
from tbe
bottom
of
tbe
bull and fastened in place. A seal-
ing compound
is placed
around the
pipe on the inside
and tbe locknut
tightened.
7.
THER£.fOSTAT AND BY-PASS VALVE
Host
often
engines are
installed
witb water piping that simply dravls
water to tbe pump directly from the
sea, circulates it
through the en-
gine and
discbarges
it all
over-
board.
In tbis type of system, en-
gine temperature
is determined
by
the temperature
of
the
incoming
water, pump capacity and the degree
WATER OUTLET TO
TO SUCTION SIDE
OF WATER PUMP
+
BY-PASS LINE
-{
HULL~'
RETURN CONNECTION
~
BE
BELOW WATERLINE
Fig. 11
Methods of Engine Temperature Control
-10-
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