Removing
Piston rings
1 - Top compression ring; 2 - Lower compression ring; 3 - Oil scraper ring; 4 - Oil scraper ring spring; 6 - Ring with notches of the oil scraper ring; 10 - Pliers
1. Remove the pistons.
2. Measure a backlash between rings and flutes of the piston.
3. Remove piston rings.
4. Measure gaps in locks of rings.
Installation
Installation is carried out in the reverse order of removal.