Removing
1. Remove the piston.
2. Measure the gaps between the piston rings and the groove in the piston (see fig. 2.52).
Pic. 2.52. Measuring the clearance between piston rings and the groove in the piston.
3. Remove the rings (see fig.2.53).
Pic. 2.53. Measuring the gap in the lock of the rings.
Table 2.2. Piston ring gaps
4. Measure the gap in the lock of the rings (see fig.2.54). Piston ring clearances are shown in Table 2.2.
Installation
5. Installation is made in an order, the return to removal. Measure the width of the new rings. Install rings of the same width. Install the cylindrical spring ring 5 with the lock 180°from the oil scraper ring lock (arrow).
Pic. 2.54. Piston rings.
1. Top compression ring,
2. Lower compression ring,
3. Oil scraper ring,
4. Cylindrical snap ring,
5. Notched ring,
6. Forceps.