188.8.131.52. Conrod and piston group
Piston rings are removed and established by means of adaptation (see rice. Device for removal and installation of piston rings)
From the piston and the plug of a small head of a rod to press off a piston finger blow of the hammer through a brass mandrel. It is previously necessary to heat the piston for what to lower it for 2–3 min. in the water having temperature of 45-75 °C.