1. Using pliers, install the compression rings, with the alignment marks up (pic. 4.28a). Distinguishing marks: upper compression ring - T, lower compression ring - 2T (pic. 4.28b). The piston ring has the following marks in accordance with the dimensions: normal size - no mark, 0.50 mm - 50, 1.00 mm - 100.
Pic. 4.28a. Installing compression rings with pliers