Suzuki WagonR+ RB310 Service Manual page 2549

6A1-74 ENGINE MECHANICAL
4) From numerals stamped on crank webs of No.2 and No.3 cylin-
ders (1) and the alphabets stamped on mating surface of cylin-
der block, determine new standard bearing to be installed to
journal, by referring to table given below.
For example, if numeral stamped on crank web is "1" and alpha-
bet stamped on mating surface is "B", install a new standard
bearing painted in "Black" to its journal.
Alphabet stamped
on mating surface ti
(Bearing cap bore (Bearing ca bore
dia.)
5) Using scale (2) on gaging plastic (1), check bearing clearance
with newly selected standard bearing.
If clearance still exceeds its limit, use next thicker bearing and
recheck clearance.
6) When replacing crankshaft or cylinder block due to any reason,
select new standard bearings to be installed by referring to nu-
merals stamped on new crankshaft or alphabets stamped on
mating surface of new cylinder block.
UNDERSIZE BEARING (0.25 mm):
D 0.25 mm undersize bearing is available, in five kinds varying in
thickness.
To distinguish them, each bearing is painted in following colors at
such position as indicated in figure.
Each color represents following thicknesses at the center of bear-
ing.
Color painted
Green & Red
Black & Red
Red only
Yellow & Red
Blue & Red
1. Paint
Numeral stamped on crank web
(Journal diameter)
1
A Green
f
B Black
C Colorless
New standard bearing to be installed.
Bearing thickness
2.121 – 2.125 mm
(0.0835 – 0.0836 in.)
2.124 – 2.128 mm
(0.0836 – 0.0837 in.)
2.127 – 2.131 mm
(0.0837 – 0.0838 in.)
2.130 – 2.134 mm
(0.0838 – 0.0839 in.)
2.133 – 2.137 mm
(0.0839 – 0.0840 in.)
2 3
Black Colorless
Colorless Yellow
Yellow Blue