MECHANICAL
01-10–36
Standard bearing oil clearance at the large end of the connecting rod
0.026—0.052 mm {0.0011—0.0020 in}
Maximum bearing oil clearance at the large end of the connecting rod
0.10 mm {0.0039 in}
Connecting rod bearing size
STD: 1.502—1.519 mm {0.05914—0.05980 in}
OS 0.25: 1.628—1.631 mm {0.06410—0.06421 in}
OS 0.50: 1.753—1.756 mm {0.06902—0.06913 in}
End Of Sie
CRANKSHAFT INSPECTION
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1. Measure the crankshaft end play using a dial
gauge.
•
If it exceeds the maximum specification,
replace the crankshaft or grind the thrust side
of crankshaft and use the oversize thrust
bearing so that the specified end play is
obtained.
Standard crankshaft end play
0.08—0.29 mm {0.004—0.011 in}
Maximum crankshaft end play
0.30 mm {0.012 in}
Thrust bearing size
STD: 2.500—2.550 mm {0.0985—0.1003 in}
OS 0.25: 2.625—2.675 mm {0.1034—0.1053
in}
2. Measure the runout of the main journal using a V-
block and dial gauge.
•
If it exceeds the maximum specification,
replace the crankshaft.
Maximum main journal runout
0.10 mm {0.0039 in}
3. Inspect the main journal diameter and crank pin
diameter. Measurement positions total four and
are in the X and Y directions, at two points (A and
B) as shown in the figure.
•
If it is not within the specification or if it
exceeds the maximum off-round, grind the
journal with an oversized bearing.
Standard main journal diameter
49.980—50.000 mm {1.9678—1.9685 in}
Maximum main journal off-round
0.005 mm {0.0002 in}
Standard crank pin diameter
49.980—50.000 mm {1.9678—1.9685 in}
Maximum crank pin off-round
0.005 mm {0.0002 in}
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A
B
X
Y
b3e0110e085
1A36-1U-12L.book 36 ページ ２０１２年１２月１０日 月曜日 午前９時２５分
