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Edition 08.96
Crank Assembly13
Fig. 2 Inspecting piston ring end clearan-
ce
Special tools, testers and aids required Feeler gauge
- Clean annular groove before inspecting
Piston ring New Wear limit
Dimensions in mm
Fig. 3 Inspecting cylinder bore Special tools, testers and aids required Internal precision measuring instrument 50...100 mm
Inspection procedure
- Measure at 3 points diagonally opposite in transverse direction -A- and in longitudinal direction -B-. Differences compared to nominal size max. 0.10 mm
Note:
The measurement of the cylinder bore must notbe carried out when the cylinder block is
attached to the repair stand with the engineholder MP 1-202 as incorrect measurements
may result.
1st compression ring 0.06 .. 0.09 0.25
2nd compression ring 0.05 .. 0.08 0.25
oil scraper ring 0.03 .. 0.06 0.15
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