Details of the crank mechanism

List of KShM parts with technological notes on repair to drawing VC3.012:
1. Inserts 1, 2, 4 and 5:
- without lubrication grooves are installed in the main bearing caps;
- with an oil groove are installed in the cylinder block;
- do not interchange previously used liners (mark when removing).
2. Main bearing cap screws: 65 Nm and tighten 1/4 turn (90°):
- when assembling, replace with new ones;
- to measure the radial clearance, tighten to 65 Nm, short of 90°.
3. Bearing cap:
- bearing cover 1: counting from the timing drive;
- bearing cover 3: with grooves for thrust half rings;
- the retaining tabs of the liners installed in the cylinder block and in the main bearing caps must be installed against each other.
4. Insert 3:
- without lubrication groove is installed in the main bearing caps;
- with oil groove installed in the cylinder block,
5. Thrust half ring installed in the main bearing cap 3:
- when installing, make sure that it is securely fixed in the seat.
6. Crankshaft:
- axial run:
- new shaft: 0.07...0.17 mm,
- wear limit: 0.37 mm;
- measure the radial clearance using a plastic Plastigage gauge:
- new shaft: 0.03...0.08 mm,
- wear limit: 0.17 mm;
- when measuring the radial clearance, do not rotate the crankshaft.
7. Thrust half ring installed in the cylinder block (main bearing 3).