Air Intakelsilencer; Air Filter - Westerbeke 8.0KW - 60Hz Operator's Manual

COOLING SYSTEM
Zinc Anode
A zinc anode, or pencil, is located in the raw water cooling
circuit within the heat exchanger. The purpose of having the
zinc anode is to sacrifice them to electrolysis action taking
place in the raw water cooling circuit, thereby reducing the
effects of electrolysis on other components of the system.
The condition of the zinc anode should be checked monthly
and the anode cleaned or replaced as required. Spare anodes
should be carried on board.
NEW
REPLACE REPLACE
ZINC ANODES
CLEAN AND
REUSE
NOTE: Electrolysis action is the result of each particular
installation and vessel location; not
that
of
the
engine.
If the zinc anodes need replacement. hold the hex boss into
.. which the zinc anode is threaded with a wrench while
loos~
ening the anode with another wrench. This prevents the hex
boss from possibly tearing off the exchanger shell. After
removing the zinc, note the condition of it. If the zinc is in
poor condition, there are probably a lot of zinc flakes within
the exchanger. Remove the end of the heat exchanger and
clean the inside of all zinc debris. Always have a spare heat
exchanger end gasket in case the present one becomes dam-
aged when removing the end cover. Replace the gasket (refer
to your engine model's heat exchanger end gasket part num-
ber), O-ring and cover, and install a new zinc anode.
NOTE: The threads of the zinc anodes are pipe threads aJ1.d
do .not require sealant. SealaJ7.t should not be used as
it
may
insulate the zinc from
the
metal of the heat exchanger hous-
ing preventing electrolysis action on the zinc.
Heat Exchanger Service
After approximately 1000 hours of operation, remove,clean
and pressure test the engine's heat exchanger. (Alocal auto-
motive radiator shop should be able to clean and test the heat
exchanger.)
NOTE: Operating in silty and/or tropical waters may require
that
a
heat exchanger cleaning be peiformed more often than
every 1000- hours.
AIR INTAKE
I
SILENCER
DESCRIPTION
A marine diesel engine running at 1800 rpm will typically
consume as much as 6,000 cubic feet of air per hour. Not
only must the engine room be well ventilated, the air flow
into the engine must be unrestricted.
AIR INTAKE FILTER/SILENCER
The replaceable canister contains a paper element that should
be inspected every 100 operating hours. Dirt in the elemenf
~an be shaken off or cleaned with compressed air, however,
If the element is greasy or black with dirt, the canister must
be replaced, carry a spare.
NOTE: To operate efficiently a diesel engine must intake a
continuous volwne of clear air. Hard starting, an erratic idle,
and
black exhaust smoke are all symptoms of a restricted air
intake.
FILTER CARTRIDGE INSTALLATION
Detach the air inlet hose from the air intake. Unplug the air
temperature sensor from the engine harness. Then remove the '
bolts that secure the air intake silencer housing to the inlet base
and remove the housing, screen facing out. Reinstall the
housing to the inlet base. Plug in the air temperature sensor to
the harness and reconnect the air inlet hose.
NOTE:
Regular inlet filter cartridge maintenance is essentail
for proper engine operation. Failure to maintain the inlet filter
carfridge will result in air obstruction into the engine, causing
poor fuel combustion
and
resulting in smokey/sooty exhaust
disctu:tge
~lone ~ith
lube oil comsumption and possible filter
detenoratlOn whlch could result
in
internal (!ngine damage.
FILTER CARTRIDGE
#03970
TURN OVER WHEN INSTALLfNG
Engines' & Generators
17