Westerbeke 8.0KW-60Hz Service Manual page 31

ENGINE-DISASSEMBLY, INSPECTION AND ASSEMBLY
~~i$SIDE
RAIL
3. To install a side
rail,
fit one end of the rail into the groove
then press the rest of the rail into position by hand as
shown.
INSTAUING THE'PISTONS
A
CAUTION:
Do not fit side rails using a piston
ling sxpander since tIIey may break.
CONNECTING ROD BEARING INSTALLATION
4. After installing the side rails, check that they move
smoothly in both directions.
5. Using a ring expander, fit ring No.2 and ring No.1 with
their identification marks facing upward (on the piston
Select bearings according to the crankshaft and connecting
rod identification marks or color codes, referring to the
following table.
crown side).
IDENTIFICATION MARKS:
NO.1 RING: 1T
NO.2 RING: 2T
CRANKSHAFT
IDENTIFICATION MARK
I. YELLOW
II. NONE
III. WHITE
CONNECTING ROO
IDENTIFICATION COLOR
BEARING
IDENTIFICATION
MARK
WHITE 1
NONE 1
YELLOW 2
WHITE 1
NONE 2
YELLOW 3
WHITE 2
NONE 3
L -__
~~~
________
~YE=LL=cOW~\ ______ ~3~ __ ~
o
SIZE
sm
O.50mm oversize
1.00mm oversize
1T
SIZE MARK
None
50
100
""'~-NO.1
NO.2
SIDE
RAIL~
II
. . . PISTON PIN
PISTON AND CONNECTING ROD ASSEMBLY
INSTALLATION
~
/J
NO.2
~
'-;::::::>SIOE RAIL
1.
Apply oil to the piston, piston rings, and oil ring.
RING" SPACER
2. Align the gaps of the piston rings and oil ring (side rails
and spacer) as shown.
3. With the piston crowns fron\ arrow mark pointing toward
the timing belt side, press the piston and connecting rod
assembly into the cylinder from the top of the cylinder.
CRANKSHAFT
~ WESTERBEKE
Engines & Generators
24
10ENTtFICATION
COLOR
COLOR CODE POSITIONS
A
NO.3 NO.2
B
NO.1
B
03
NO . 4
NO.3
IDENTIFICATION MARKS