ENGINE
WG972-E4, WSM
1-S55
Oil Clearance between Crankshaft Journal and Crankshaft
Bearing 2 (Crankshaft Bearing 3)
1. Put a strip of plastigage on the center of the journal.
2. Install the bearing case and tighten the bearing case screws 1
to the specified torque, and remove the bearing case again.
3. Measure the amount of the flattening with the scale, and get the
oil clearance.
4. If the oil clearance exceeds the allowable limit, replace the
crankshaft bearing 2 (crankshaft bearing 3).
5. If the same size bearing is useless because of the crankshaft
journal wear, replace it with an undersize one referring to the
table and figure.
• Be sure not to move the crankshaft while the bearing case
screws are tightened.
(To be continued)
Oil clearance between
crankshaft journal and
crankshaft bearing 2
Factory specification
0.028 to 0.059 mm
0.0011 to 0.0023 in.
Allowable limit
0.20 mm
0.0079 in.
Crankshaft journal O.D.
(Flywheel side)
Factory specification
43.934 to 43.950 mm
1.7297 to 1.7303 in.
Crankshaft bearing 2 I.D. Factory specification
43.978 to 43.993 mm
1.7315 to 1.7320 in.
Oil clearance between
crankshaft journal and
crankshaft bearing 3
Factory specification
0.028 to 0.059 mm
0.0011 to 0.0023 in.
Allowable limit
0.20 mm
0.0079 in.
Crankshaft journal O.D.
(Intermediate)
Factory specification
43.934 to 43.950 mm
1.7297 to 1.7303 in.
Crankshaft bearing 3 I.D. Factory specification
43.978 to 43.993 mm
1.7315 to 1.7320 in.
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