Westerbeke 6.5KW Technical Manual page 38

4 cylinder marine gasoline generator sets twg series
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Disassembly of the Engine Block
1.
Remove the engine rocker cover and baffle assembly.
2.
Rotate the engine crankshaft so as to position the camshaft drive
chain so that
the master
link is
in a position that it can be
disassembled.
Remove the chain tensioner from the front timing
gear cover.
Disassemble the master link to separate the chain.
3.
Loosen
cylinder
head
bolts
in
the numerical order shown in the
figure.
Make sure bolts are loosened a
few turns at a time.
4.
Remove the rocker shaft assembly
and camshaft with drive gear.
5.
Remove
the
cylinder
head
with
valves.
6.
Remove the valves wi th the aid
of a suitable valve spring com-
pressor
tool.
Make
sure
the
removed
valves
are
kept
in
sequence for each cylinder.
7.
Remove the engine oil sump.
8.
Remove
pulley
cover.
the
and
front
crankshaft
front
timing
gear
9.
Remove
the
lube
oil
assembly and drive chain.
pump
10. Remove
each
connecting.
rod
bear ing cap and remove
the,.~on­
necting rod and piston assembly
from the engine block by care-
fully forcing it out the top of
the block.
NOTE:
Keep
together.
needed.
rods
Number
and
caps
them
as
11. Press out the piston pin with piston pin setting tool.
Make sure
that disassembled pistons and piston rings are kept in sequence
for each cylinder.
32

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