Westerbeke 8.0KW-60Hz Service Manual page 32

ENGINE-DISASSEMBLY, INSPECTION AND ASSEMBLY
COLOR CODE POSITIONS (TYPE 1)
5
COLOR CODE POSITIONS (TYPE 2)
5---))~1
4
3
IDENTIFICA110N MARK POSITIONS
3
2 1
2
4
CRANKSHAFT BEARING INSTALLATION
1. Select bearings according to the crankshaft identification
marks or color codes. referring to the following chart.
If
they are not identifiable. measure the crankshaft journals
and choose bearings to match the measurements.
CRANKSHAFT JOURNAL
RANGE COLOR IDENT.
CODE MARK
YELLOW 1
2 NONE 2
3 WHITE 3
JOURNAL
DIAMETER
MM(IN)
47.995·48.000
(1.8910·1.8912)
47.985·47.995
(1.8906·1.8910)
47.980·48.985
(1.8904·1.93)
CYLINDER BEARING
BLOCK
BEARING
BORE
DIAMETER
IDENT.
MARK
o
1
2
o
1
2
o
1
2
IDENT.
MARK
1
2
3
2
3
4
3
4
5
o
TIMING BELT SIDE
CYLINDER BLOCK
JOURNAL BORE NUMBER
2. Identification marks showing the cylinder block bearing
bore diameter are SLamped in the position shown, with
No.1 at the front of the engine. Bearings must be selected
and installed in accordance with these identification
marks.
3. Based on the identification markings verified in steps 1
and 2, select bearings from the chart. Note the following
example:
If the measured crankshaft journal diameter is
48,OOOmm, this corresponds to classification 1 in the
above table.
If the identification mark on the cylinder block bearing
hole is "1", select a bearing with an identification mark
of "2",
4. Except for the center bearing, all the upper bearings are
grooved. the center bearings are grooveless and have
fianges. The center bearings are the same at the top and
bottom.
5. The lower bearings are all grooveless.
GROOVELESS
LOWER BEARINGS '1,2,4.5
GROOVELESS/FLANGED
UPPER AND LOWER
BEARINGS 13 (CENTER)
INDENT
MARK
-..v'
WESTERBEKE
Engines & Genera/ors
24a