46. Lower Crankcase Installation

Lower Crankcase Installation

Special Tools

J 45059 - Angle Meter

For equivalent regional tools, refer to Special Tools Special Tools.




1. Install the upper crankshaft bearings (1) and lubricate bearing surfaces with engine oil.




2. Install the crankshaft (1) on the journals.




3. Install the lower bearing halves (1), without grooves, into the lower crankcase. Apply oil to bearing surfaces.





Note:
* The block assembly surface must be free of contamination prior to applying the sealer.
* Install and align the bedplate to block within 20 minutes of applying the sealer.
* The bedplate must be fastened to final torque specification within 60 minutes of applying the sealer.

4. 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 Adhesives, Fluids, Lubricants, and Sealers.




5. Install the lower crankcase (1). Tap gently into place with a suitable tool if necessary. Ensure it is aligned properly on the dowels.





Caution: Refer to Fastener Caution Fastener Caution.

6. Install the NEW crankshaft bearing bolts in sequence finger tight.

1. Tighten the crankshaft bearing bolts in sequence to 20 Nm (15 lb ft).
2. Tighten the crankshaft bearing bolts in sequence using the J 45059 - meter an additional 70 degrees.




7. Tighten the lower crankcase perimeter bolts in sequence to 25 Nm (18 lb ft).