Crank Drive
Cylinder Liner Dimensions (mm)
Cylinder liner bore diameter:
A or 1
| B or 2 |
80.000 to 80.015
| 80.015 to 80.030 |
Piston Dimensions (mm)
Piston diameter:
A or 1
| B or 2 |
79.960 to 79.970
| 79.970 to 79.980 | |
|---|---|
| Installation position | Chamber recess side towards injectors |
| Piston clearance in bore | 0.030 to 0.060 |
1 = Height between gudgeon pins and piston crown
2 = ”8Q” mark (for F8Q) + modification suffix.
3 = Mark showing diameter class (see table).
| 4 = Date code: 2 digits for the week, 1 digit for the year (example: 42 8 to week 42, year 1988), supplier’s sign. | |||
|---|---|---|---|
| .P. T3311.tif | 9 | 7,5 | tiff;; |
Piston Ring Dimensions (mm)
1st compression ring:
Gap
Clearance between ring and piston groove:
Pre-gapped
2nd compression ring:
Gap
Clearance between ring and piston groove:
Pre-gapped
Oil ring:
Gap
Clearance between ring and piston groove:
Pre-gapped
Piston Pins
| Type | Floating bearing in con-rod and piston, 2 snap rings in piston, bushing in con-rod |
|---|---|
| Installation | Sliding seat |
| Diameter (mm) |
Crankshaft Dimensions (mm)
Crankshaft and con-rod journals:
Main journal diameter - nominal
| Con-rod journal diameter - nominal |
54.795
| 48.000 | |
|---|---|
| Crankshaft axial play | 0.07 - 0.23 |
Crankshaft Repair
Crankshaft and con-rod journals:
| Max. material removal |
not to exceed 0.25 mm
| on any bearing journal | |||
|---|---|---|---|
| After regrinding the roll-hardened zones must still be intact over the 140° sectors shown by the arrows. | |||
| .P. T3310.tif | 9 | 7,5 | tiff;; |