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CYLINDER BLOCK — Assembly (Cont'd) / Piston Ring Gap Orientation / Crankshaft Installation

EM-54prose procedure
Continued from EM-53

Assembly (Cont'd)

CRANKSHAFT

Crankshaft installation

  1. 1
    Set main bearings in their proper positions on cylinder block and main bearing cap.
    Confirm that correct main bearings are used. Refer to "Inspection".
    Set of main bearing shells laid out in order. Callouts: Upper bearing, Thrust bearing (only upper), No. 5 bearing, Oil hole, Lower bearing, Identification color, Oil groove, No. 1 bearing, Front (arrow).
    SEM195C
  2. 2
    Install crankshaft and main bearing beam and tighten bolts as follows.
    Prior to tightening bearing cap bolts, place bearing cap in its proper position by shifting crankshaft in the axial direction.
    After securing bearing cap bolts, make sure crankshaft turns smoothly by hand.
    1. Tighten main bearing beam bolts to 25 to 30 N·m (2.5 to 3.1 kg-m, 18 - 22 ft-lb) in order shown.
      Top view of main bearing beam (ladder frame) over crankshaft with bolt-tightening order numbered 1 through 10 in two rows; arrow on the right indicating front. Caption: "Tighten in numerical order."
      NEM064
    2. Turn bolts to 60° to 65° degrees clockwise with an angle wrench in order shown.
      Angle wrench applied to a main bearing beam bolt with sector showing 60° to 65° rotation after initial torque.
      UEM096
Main bearing beam bolts — Step 1Initial tightening, in order shown
25 - 30N·m
Main bearing beam bolts — Step 2 angleAngle-torque with angle wrench
60° - 65°degrees clockwise
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See also

Inspection

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