Lower Crankcase Installation (LDK, LHU)
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Lower Crankcase Installation (LDK, LHU)
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Special Tools
EN-45059
Angle Meter
For equivalent regional tools, refer to
Special Tools (LDK, LHU)
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1.
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Install the upper crankshaft bearings (1) in the engine block (2) and lubricate bearing surfaces with engine oil.
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2.
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Install the crankshaft (1) on the journals.
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3.
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Install the lower bearing halves (1), without grooves, into the lower crankcase (2). Apply oil to bearing surfaces.
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4.
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Note
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The block assembly surface must be free of contamination prior to applying the sealer.
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Install and align the bedplate to block within 20 minutes of applying the sealer.
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The bedplate must be fastened to final torque specification within 60 minutes of applying the sealer.
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Apply a 4.25 mm bead of sealer, dimension a, directly in the groove of the block to bedplate mating surfaces. Refer to
Adhesives, Fluids, Lubricants, and Sealers (LDK, LHU)
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5.
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Install the lower crankcase (1). Tap gently into place with a suitable tool, if necessary. Ensure the lower crankcase is aligned properly on the dowels.
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6.
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Refer to
Fastener Caution
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Install the NEW crankshaft bearing bolts in sequence finger tight.
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7.
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Tighten the crankshaft bearing bolts:
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7.1.
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Tighten the crankshaft bearing bolts a first pass in sequence to
20 Nm (15 lb ft)
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7.2.
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Using the
EN-45059
angle meter , tighten the crankshaft bearing bolts a final pass in sequence to
70 degrees
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8.
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Note
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Do not forget the 2 rear outer bolts.
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Install the lower crankcase perimeter bolts (1-10) and tighten to
25 Nm (18 lb ft)
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