ENGINE
DISASSEMBLY
DESCRIPTION
Switch off the batteries and disconnect the battery cables
from the engine and tape over the terminals.
Drain or pump out
all the engine oil and drain the coolant
from the engine and engine hoses.
Unplug the instrumental panel wiring harness. Drain the
transmission fluid and the transmission oil cooler hoses.
Detach the oil cooler hoses and unbolt the transmission from
the engine.
NOTE:
Label any
lines,
hoses or cables as you separate
them.
• Clean the exterior
of
the engine
of
any deposits
of
dirt
and oil.
• Be careful not to damage the disassembled parts.
• Mount
the
engine on a suitable engine stand for disassembly.
• Pay attention to marks on assemblies, components and
parts for their positions or directions. Put on marks,
if
necessary, to aid assembly.
• Carefully check each part
or
component for any sign
of
faulty condition during removal
or
cleaning. The part will
tell you how it acted
or
what was abnormal about it more
accurately during removal
or
cleaning.
i~~~
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.
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.
HEAT
EXCHANGER
DRAINS
TRANSMISSIONS
The
transmission
section
of
this
manual
contains
general
information
and
speciffCBtions
for
the
transmissions
used
in
the
W-46
engine.
If
the
transmission
is
not
being
rebuilt,
it
should
be
inspected
·
cleaned
and
repainted.
The
oH
cooler
should
be
nushed
out
and
pressure
tested
and
the
cooling
hoses
replaced.
Inspect
and
lubricate
the
gear
shift
linkage
and
the
propeller
shaft
coupling.
Ghange
the
transmissirJn
fluid.
To
rebuild
the
transmission
contact your
WESTERBEKE
dealer
or
an
authorized
transmission
setvlce
center.
HSW
HURTH
TRANSMISSION
HYDRAULIC
TRANSMISSION'S
BOLT
DIRECTLY
TO
THE
BELL
HOUSING
AND
!HAVE
A
SEPARATE
Oil
COOLER
' .
8
DISASSEMBLY
1. Remove
the
engine oil hose connections.
2. Remove
the
engine
heat
exchanger.
If
possible, leave
one end
of
each hose connected to the part being
removed.
3. Remove
the
engine
back
plate.
4. Remove
the
start motor,
drive
belt
and
the
alternator.
Label the wires and cables.
5. Remove
the
engine
mounted
raw
water
pump,
adapter
mounting
plate,
and
drive
from
the
front
cover. The drive is removed by turning in a counter
clockwise direction. See
RAW
WATER
PUMP
for parts
breakdown.
6. Remove
the
coolant recirculating
pump
See COOlANT.
RECIRCULATING PUMP for parts breakdown.
7. Remove
the
air
intake
silencer
and
the
intake
manifold.
e. Remove the alternator, drive belt, support brackets and
adjusting strap.
f. Remove the engine mounted raw water pump and its
connecting hoses. Refer to the raw water pump in this
manual.
e. Remove the flywheel. Loosen the front crankshaft
pulley nut before removing the flywheel.
WHEN
REMOVING
THE
MOUNnNG
BOLTS
LOCK
THE
FLYWHEEL
.
WITH
A
RING
GEAR
.·
BREAK
TOOL
INSPECT
THE
DAMPER
PlATE
FoR
WEAR
AND
BROKEN
SPRINGS
FLYWHEEL
BOLT
PAmRN
TAB
WASHER
ntANSMISSION
DAMPER
PLATE
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