FIELD: engines and pumps.
SUBSTANCE: invention relates to repair of metal structures, particularly, to repair of ICE cylinder-and-piston sets, particularly, of KamAZ engines. Piston is fitted in place at centring at compression ring groove bottom, further orientation by one of lateral surfaces of said groove owing to squeezing at lather chuck by revolving thrust and final squeezing of the piston with the help of cams provided with ledges shaped to said groove outline.
EFFECT: higher quality of ICE repair, life of repaired engines increased to 80% of entire service life.
1 dwg
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