Service manual
INTRODUCTION
SERIAL
NUMBER
LOCATION
The engine's model number and serial number are located on
a nameplate mounted on the side
of
the engine's manifold.
the engine's serial number can also
be
found stamped ihto
the engine block on the flat surface
of
the block
just
above
and inboard
of
the injection pump. Take the time to enter this
information on the illustration
of
the nameplate shown below,
as this will provide
aquick
reference when seeking technical
information and/or ordering repair parts.
•
MODEL
SPEC
MA
USA
SER.NO.
•
. Fill
in
the
infonnation
for
your
reference.
~
NOTES,
CAUTIONS
AND
WARNINGS
As this manual takes you through the disassembly, inspection
and assembly procedure
of
your engine/generator, critical
information will be highlighted by NOTES, CAUTIONS,
and WARNINGS. An explanation follows:
NOTE:
An operating procedure essential
to
note.
A
CAUTION:
Procedures
1
which
if
not
strictly
observed
1
can
result
in
the
damage
or
destruction
of
your
engine/generator.
A
WARNING:
Procedures~
which
if
not
properly
followed
1
can
result
in
personal
injury
or
loss
of
life.
ORDERING
PARTS
· Whenever replacement parts are needed, always provide the
generator model number, engine serial number, and generator
serial number as they appear on the silver and black
name-plate located on the generator end. You must provide
us with this information so we may properly identify
your engine/generator. In addition, include a complete part
description and part number for each part needed (see
the separately furnished
Parts List). Also insist upon
WESTERBEKE packaged parts because
will fit or generic
parts are frequently not made to the same specifications
as
original equipment.
2
RAW
WATER
COOLING
CIRCUIT
Siphon-Break
For
installations where the water injected exhaust elbow is
close
to
or
will
be
below the vessels waterline, provisions
must
be
made to install a siphon-break in the raw water
supply hose to the water injected exhaust elbow. The siphon-
break provides
an
air vent in the raw water cooling system to
prevent raw water from filling the exhaust system and the
engine's cylinders when the engine
is
shutdown.
If
you have any doubt about the position
of
the water-
injected exhaust elbow relative to the vessels waterline under
the vessels various operating conditions,
install
a siphon-
break. This precaution
is
necessary
to
protect your engine.
The
siphon-break must
be
installed in the highest point
of
a
hose that is looped a minimum
of
20
inches (51cm) above
the vessels waterline.
Tiris siphon-break
must
always be
above the waterline during all angles
of
vessel operation to
prevent siphoning.
NOTE:
A
siphon-break
requires
periodic
inspection
and
cleaning
to
ensure
proper
operation.
Failure
to
properly
maintain a siplwn-break
can
result
in
catastrophic
engine
damage.
Consult
the
siphon-break
rnanufacturerf<>r
proper
maintenance.
SIPHON-BREAK
WITH
STAINLESS
LOOP
FOR
1"
HOSE
PART
N0.044010
ENGINE
OVERHAUL
The following sections contain detailed information
relating to the proper operation characteristics
of
the major
components and systems
of
the engine. Included are
disassembly, inspection and reassembly instructions for the
guidance
of
suitable equipped and staffed mmine engine
service and rebuilding facilities. The necessary procedures
should be taken only by such facilities.
Additional detailed information and specifications
are pro-
vided in other sections
of
this manual, covering the
generator, alternator, starter motor, engine adjustments,
cooling pumps, etc.