Usetwo clamps at each end of hoseasshown in Figures
6-1
and
6-2.
The clamps must be
Of
corrosion resistant
metal, a minimum Of% inch
(12.7
mm) wide. They should
be spaced at kist one clamp width apart, and at least one
clamp widthfromtheend ofthe hose. Clamps depending
solely on spring tension must not be used.
Provide adequate support for hose lengths to prevent
sagging, bending, and fOrmation
Of
water Pockets- The
use ofautomotive@Pe Pipe hangers
Will
help stop tms-
mission of vibration or noise to the boat hull.
Back
Pressure
Exhaust back pressure is an important criteria of an a&-
quate exhaust system.
If
the exhaust installation requires
a long run of pipe (more than
30
feet
[9
m] overall), back
pressure should be checked. Exhaust back pressure for
the
MCE
generator set should not exceed
3.0
inches (76
rnm) of mercury
(10
kPa).
Increase theexhaust pipe diameter from the mufflertothe
hull outlet one standard pipe size for every
10
feet
(3
m)
beyond
30
feet
(9
m) of overall length.
"\
TO GENERATOR
SET
SEA
c
RECOMMENDED FLUSH-TYPE, THROUGH-HULL FliTlNG
AND WATER STRAlNER (NOTSUPPUED
BY
ONAN)
.
FLUSH THRU-HULL Sk/VNER
CS-1312-1
FllTING
FIGURE
6-1.
BELOW
LOAD
WATERLINE
INSTAWTlON
6-2
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