
Electrical
System
The electrical system should be checked
to
ensure that
all
wiring harnesses are tied down properly with
clamps
or
plastic ties, spaced at intervals close enough to prevent chafing from vibration. Check
to
ensure
that
all the engine's harness connections are tight and that they are connected
to
the appropriate terminals.
!WARNINGI
Do not smoke
or
allow an open flame near batteries. Lead acid batteries emit hydrogen, a
highly-explosive gas. Turn off the emergency switch in the positive line
of
battery.
Make sure the positive ( + ) battery connection is connected
to
the battery connection
of
the starting solenoid.
The negative
(-)
battery connection should be connected
to
the system ground (the engine block).
IWARNINGI
When servicing the battery or checking the electrolyte level, wear rubber gloves, a rUbber
apron, and eye protection. Battery acid may splash on the skin
or
into the eyes inadvertent-
ly
when removing electrolyte caps.
Check
level and specific gravity of battery electrolyte to ensure maximum engine starting efficiency. Make
sure terminals are clean and tight.
Ventilation
The ventilation requirements of the engine include the following: combustion air
is
required for the engine's
cylinders and ventilating air is required to clear the bilges below the engine, as well as the compartment in
which the engine is located,
of
engine heat and potentially toxic and flammable diesel fumes. Refer
to
the
"SPECIFICATIONS" section
of
this manual for airflow requirements, page
8.
21
Westerbeke Diesel Engines
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