Suzuki 2000 Grand Vitara SQ416, Руководство по обслуживанию

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YH4
GRAND
VITARA
6A2-90 ENGINE MECHANICAL (H25 ENGINE)
1. Paint
UNDERSIZE BEARING (0.25 mm):
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 thickness at the center of bear-
ing.
Color painted Bearing thickness
Green & Red
2.618 – 2.622 mm
(0.1031 – 0.1032 in.)
Black & Red
2.621 – 2.625 mm
(0.1032 – 0.1033 in.)
Red only
2.624 – 2.628 mm
(0.1033 – 0.1034 in.)
Yellow & Red
2.627 – 2.631 mm
(0.1034 – 0.1035 in.)
Blue & Red
2.630 – 2.634 mm
(0.1035 – 0.1036 in.)
If necessary, regrind crankshaft journal and select undersize
bearing to use with it as follows.
1) Regrind journal to following finished diameter.
Finished diameter: 64.732 – 64.750 mm
(2.5485 – 2.5492 in.)
2) Using micrometer, measure reground journal diameter.
Measurement should be taken in two directions perpendicular
to each other in order to check for out-of-round.
3) Using journal diameter measured above and alphabets stamped
on lower crankcase, select an undersize bearing by referring
to table given below.
Check bearing clearance with newly selected undersize bear-
ing.
Measured journal diameter
64.744 – 64.750 mm
(2.5489 – 2.5492 in.)
64.738 – 64.744 mm
(2.5487 – 2.5489 in.)
64.732 – 64.738 mm
(2.5485 – 2.5487 in.)
Al h b t t d
A Green & Red Black & Red Red only
Alphabets stamped
on lower crankcase
B Black & Red Red only Yellow & Red
on lower crankcase
C Red only Yellow & Red Blue & Red
Undersize bearing to be installed