Designation of crankshaft main bearing caps and connecting rod bearing caps
The crankshaft main bearing caps are numbered and have their projections facing the camshaft drive. The connecting rods and their caps are marked with a special electric pencil.
Cylinder Block Assembly
1 – cylinder block, 2 – cylinder liner, 3 – sealing ring, 4 – oil pan, 5 – front main bearing cap, 6 – front sealing ring, 7 – main bearing cap, 8 – rear main bearing cap gasket, 9 – coolant drain plug, 10 – bushings
Installing the crankshaft thrust washers
The lubrication grooves must be located on the crankshaft side.
Installing main bearing cap No.1 with gasket installed
Checking the axial play of the crankshaft
Installing the crankshaft seal ring from the flywheel side – tool 7.0153 C
1. Install the crankshaft in the cylinder block (by first installing the bearings, lubricated with oil).
2. Install the oiled crankshaft bearing caps, observing the markings (the lids are numbered). The projections should be directed towards the camshaft drive (the protrusion is indicated by the arrow).
Attention! When installing bearing cover No.2, insert 4 crankshaft thrust half rings with the sliding surface facing the crankshaft (see figure Installing the crankshaft thrust washers).
3. Clean the mating surfaces of the cylinder block and bearing cap No.1, removing all traces of grease.
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4. Apply a small amount of Loctite Frenetanch sealant to the top of the bearing grooves in the cylinder block #1.
5. Install the bearing cap on the adjusted fixture 0153.A1. Use a bolt to attach the cap to the fixture bracket (see the figure Installing the main bearing cap No.1 with the gasket installed).
6. Lubricate and secure the bearing cap so as not to extend the side linings:
- install the 45° inclined cover assembly into its socket;
- straighten the knot;
- slowly lower;
- secure the cover with one bolt;
- remove the device in a vertical plane.
7. Align the ends of the gasket with the surface of the cylinder block; after installation, they should protrude from the bearing to a height of 2±1 mm.
8. Check the axial play of the crankshaft and, if necessary, replace the crankshaft thrust half rings with half rings corresponding to this play (see figure Checking the axial play of the crankshaft).
9. Using tool 0153.C, install the sealing ring on the flywheel side (see figure Installing the crankshaft sealing ring on the flywheel side – tool 7.0153 C).
10. Check the protrusion of the cylinder liners (this protrusion is the result of the ratio of the cylinder block and cylinder liner sizes).
11. Insert four sleeves without gaskets.
12. Insert plate 8.0132 B (the surface without the edge should be facing upwards) and install a clock indicator on the 8.0132 C bracket.
13. Measure the protrusion of the sleeve relative to the cylinder block at three points (0.08–0.15 mm).
14. Check the difference between the measured values for the measuring points and for the individual sleeves (maximum 0.05 mm).
Attention! If the sleeves are new, it is possible to change the sleeve protrusion value and the protrusion difference by rotating them 180° or changing the installation location in the cylinder block.
15. Mark (from the oil level indicator side) cylinder liners from 1 to 4 (1 from the flywheel side).