Piston rings
| Upper compression ring | Lower compression ring | Scraper ring | |
|---|---|---|---|
| Thickness mm | 1.478-1.490 | 1.478-1.490 | 3.0 |
| Working gap in cylinder mm | 0.30-0.50 | 0.30-0.50 | 0.40-1.40 |
PISTON RINGS TECHNICAL SPECIFICATIONS
Scheme 795
| Diameter mm | 20.995-21.000 |
|---|---|
| Gudgeon pin in relation to connecting rod mm | Floating bearing |
GUDGEON PIN TECHNICAL SPECIFICATIONS
Scheme 796
| Big-end diameter mm | 52.000-52.012 |
|---|---|
| Length mm | 148 |
| The difference in weight between connecting rods in the same engine must not exceed: g | 6 |
| Through oilway in connecting rod mm | 4 |
CONNECTING ROD TECHNICAL SPECIFICATIONS
Scheme 797
| Crankshaft end float mm | 0.10-0.76 |
|---|---|
| Maximum journal out-of-round mm | 0.003 |
| Max. allowable rotational deviation mm | 0.05 |
CRANKSHAFT TECHNICAL SPECIFICATIONS (GENERAL)