KiSC issued 09, 2007 A
I.D. of crankshaft
Check ing Oil Clearance between Crankshaf t
Journal and Crankshaf t Beari ng 1
1)
Measure the crankshaft journal (on the side of the crank-
shaft bearing
1)
with an outside micrometer.
2)
Measure the crankshaft bearing
1
with an inside micro-
meter. Calculate the clearance.
3)
If the clearance exceeds the allowable limit, replace the
crankshaft bearing
1
with undersize one. For undersize
bearing use, follow the precautions noted below.
1.
.
Cut corner, radius of the crank journal to
precisely 3.0R±0.2 mm (0.1181 R±0.0079 in.)
2. The crank journal must be fine-finished to higher than
'v"vVv
(0.4S.)
3. Be sure to chamfer the oil hole circumference with an
oil stone.
(Al Crank journal for undersized beari ng 1
(a)
Oil hole must be
1 to 1.5R mm
(0.0394 to 0.0591R in.)
(b) 3.0R±0.2 mm
(0.1181 R±0.0079 in.)
007 1 F008
-
0.D.
of crankshaft journal
51.921 to 51.940 mm
2.0441 to 2.0449 in.
64
C019
058
C01 9
059
Undersize
Code Number
Part Name
Crankshaft journal dia A
Bearing Mark
··
020
us
0.2 mm
0.0079 in.
15221-2391-1
Crankshaft bearing 1 0.2 minus
51.721 to 51.740 mm
2.0363 to 2.0370 in.
0.4 mm
0.0157 in.
15221-2392-1
Crankshaft bearing 1 0.4 minus
51.521 to 51.540 mm
2.0284 to 2.0291 in.
040
us
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