The siphon break must be mounted vertically with the
threaded end pointed down. Use pipe strap material to
secure the assembly to the frame or bulkhead. Be sure
the slotted opening in the siphon break valve is open to
atmospheric pressure. The valve will not function if the
slot
is closed in any way.
1-1
Failure to use a siphon break when
the exhaust manifold injection port
is
at
or
below the load waterline will result in sea water
damage to the engineandpossible flooding of tbe boat.
ABOVE LOAD WATERLINE
INSTALLATION
Figure
6-2
shows detailsof a recommended above load
waterline installation.
A
siphon break valve is not
required with this installation. Review and apply data
from the preceding GENERALsection. Be sure the min-
imum drop and downward pitch of exhaust runs are
applied, and that all hose end connections have
two
clamps as shown.
6-4
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