Check Oil Clearance Between Crankshaft Journal And Crankshaft Bearing - Kubota D1102-B Workshop Manual

C019 F058
(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
C01 9 F059
Code Number
Undersize
0.2 mm
15221-2391-1
0.0079 in.
0.4 mm
15221-2392-1
0.0157 in.
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.
Measure the crankshaft bearing
2)
meter. Calculate the clearance.
If the clearance exceeds the allowable limit, replace the
3)
crankshaft bearing
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.
Part Name
Crankshaft bearing 1 0.2 minus
Crankshaft bearing 1 0.4 minus
0.D.
of crankshaft journal
51.921 to 51.940 mm
2.0441 to 2.0449 in.
64
with an inside micro-
1
1 with undersize one. For undersize
Crankshaft journal dia A
Bearing Mark
(Shown in Fig )
51.721 to 51.740 mm
020
2.0363 to 2.0370 in.
51.521 to 51.540 mm
2.0284 to 2.0291 in.
I.D. of crankshaft
KiSC issued 09, 2007 A
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us
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040