P03.10-0210-06
1 Plain compression ring
2 Taper-faced hook scraper ring
3 Bevel-edged ring
4 Coil spring
8 Hooked spring
10 Pliers
| Removing/installing | ||
1 | Remove pistons | Engines 602.980/982/984/985 | |
Engine 601.943 | |||
O2 | Measure vertical clearance of piston rings (1, 2, 3) | ||
| |||
3 | Remove piston rings (1, 2, 3) | | |
Installation: Observe installation position! "Top" or manufacturer's designation points toward piston crown. Insert hook spring with oil scraper ring offset by 180° to the joint (arrow). | |||
4 | Measure end gap of the piston rings (1, 2, 3) | ||
| |||
5 | Install in reverse order | Install piston rings (1, 2, 3) with piston ring gaps offset 120°. |
Test dimensions for pistons
Number | Designation | Engine | Engines | ||
BE03.10-N-1003-02E | Piston ring end clearance | Groove 1 | mm | 0.20 | 0.20 |
Groove 2 | mm | 0.15 | 0.15 | ||
Groove 3 | mm | 0.10 | 0.10 | ||
BE03.10-N-1004-02E | Piston ring gap clearance | Groove 1 | mm | 1.0 | 1.0 |
Groove 2 | mm | 1.0 | 1.0 | ||
Groove 3 | mm | 1.0 | 1.0 | ||
000 589 51 37 00
Pliers
Commercially available tools
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