P01.40-0228-06
1, 2, 3 Measuring points of cylinder bore
A Longitudinal direction
B Transverse direction
a Top reversal point of 1st piston ring
b Bottom dead center of piston
c Bottom reversal point of oil scraper ring
Figure item, etc. | Work instructions | ||
For repair work, cylinder liners are to be installed and standard-size pistons used | |||
Remove pistons | |||
Cylinder bores | Measure cleaned cylinder bores using an internal micrometer at the 3 measuring points (1, 2, 3) in the longitudinal and transverse directions. | ||
| |||
Cylinder diameter | |||
Permissible deviation from true cylinder | |||
Wear limit in longitudinal and transverse directions | |||
Run-out If wear is excessive and/or if running surface is damaged | |||
Widening cylinder bore in crankcase On engines with installed cylinder liner | |||
Removing cylinder liner | |||
Installing cylinder liner | |||
Chamfering cylinder bores | |||
Boring and honing cylinder bores |
Test values for cylinder bore
Number | Designation | Engine 601.943 | Engines 602.980/ | ||
BE01.40-N-1001-01B | Cylinder Ø | Standard size | mm | 89,0 | 89,0 |
Groupe code letter A | mm | 89,000-89,006 | 89,000-89,006 | ||
Group code letter X | mm | 89,006-89,012 | 89,006-89,012 | ||
Groupe code letter B | mm | 89,012-89,018 | 89,012-89,018 | ||
BE01.40-N-1002-01B | Cylinder bore | Wear limit in longitudinal and lateral direction | mm | 0,20 | 0,20 |
BE01.40-N-1003-01B | Cylinder bore | Permissible deviation from cylinder shape (in new state) | mm | 0,000-0,007 | 0,000-0,014 |
Wear limit | mm | 0,05 | 0,05 | ||
BE01.40-N-1004-01B | Cylinder bore | Run-out | mm | 0,07 | 0,07 |
001 589 53 21 00
Dial gage
Commercially available tools
Referenced documents
- ar0140d920101a Chamfer cylinder bores
- ar0140d9271a Widening cylinder bore in crankcase
- ar0140d9272a Remove cylinder liner
- ar0140d9273a Installing cylinder liner
- ar0140d9291a Boring and honing cylinder bores
- ar0310d7021a Remove/install piston