Lower Crankcase Installation - LE5 or LE9
Special Tools
EN 45059 Angle Meter
For equivalent regional tools, refer to
Special Tools : LE5 or LE9 .
- Install the upper crankshaft bearings (1) and lubricate bearing surfaces with engine oil.
- Install the crankshaft (1) on the journals.
- 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. |
- 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 .
- 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 in the Preface section.
- Install the NEW crankshaft bearing bolts in sequence finger tight.
6.1. | Tighten the crankshaft bearing bolts in sequence to 20 N·m (15 lb ft). |
6.2. | Tighten the crankshaft bearing bolts in sequence using the EN 45059 meter an additional 70 degrees. |
- Tighten the lower crankcase perimeter bolts in sequence to 25 N·m (18 lb ft).
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