Measure Vertical Clearance Of Piston Rings - AR03.10-P-7311-01MFC
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Engine 260 in model 118, 177, 247
CHECK VALUES FOR PISTON RINGS
| Number | Designation | Engine 260 | ||
|---|---|---|---|---|
| BE03.10-P-1001-05L | Piston ring vertical clearance | Groove 1 | mm | 0, 03...0, 07 |
| Groove 2 | mm | 0, 02...0, 06 | ||
| Groove 3 | mm | 0, 01...0, 18 | ||
- Measure the side clearance of the plain compression ring (1) in groove 1 and the taper-faced hook scraper ring (2) in groove 2 using a suitable feeler gauge (4)
Commercially available devices/tools
Feeler gauge
The side clearance of the oil scraper ring in groove 3 cannot be checked due to its three-part structure.
If wear is identifiable:
↓
Replace the plain compression ring (1), taper-faced hook scraper ring (2), and oil scraper ring together with the piston (3).