1 | Plain compression ring |
2 | Taper-faced hook scraper ring |
3 | Bevel-edged ring (oil scraper ring) |
4 | Piston |
P03.10-2160-06
| Remove/install | ||
1 | Remove piston (4) | ||
2 | Determine side clearance of the taper-faced hook scraper ring (2) and the bevel-edged ring (3) | Piston ring vertical clearance | |
If the side clearance is too high: | |||
| |||
Replace piston (4) and piston rings. | |||
3 | Remove plain compression ring (1), taper-faced hook scraper ring (2) and bevel-edged ring (3) from the piston using pliers (4) | Installation: Observe installation position of plain compression ring (1), taper-faced hook scraper ring (2) and bevel-edged ring (3). Install plain compression ring (1), taper-faced hook scraper ring (2) and bevel-edged ring (3) with piston ring end gap offset at 120°. | |
Pliers | |||
| Clean | ||
4 | Clean groove of plain compression ring (1), the taper-faced hook scraper ring (2) and the bevel-edged ring (3) in piston | ||
5 | Clean cylinder barrel | ||
| Check | ||
6 | Check plain compression ring (1), taper-faced hook scraper ring (2) and bevel-edged ring (3) | For damage or breakout of the coating: | |
| |||
Replace plain compression ring (1), taper-faced hook scraper ring (2) or bevel-edged ring (3). | |||
7 | Determine end gap of the plain compression ring (1) and taper-faced hook scraper ring (2) | Insert respective plain compression ring (1) and taper-faced hook scraper ring (2) in the unworn area of the cylinder barrel. | |
Piston ring end gap | |||
If the end gap is too large: | |||
| |||
Replace piston rings on the affected piston (4). | |||
8 | Install in the reverse order |
000 589 51 37 00
Pliers