解放CA141汽车,其中6102型发动机曾经使用过三道环槽的铝活塞。鉴于某些维修单位和配件供应单位还余有三道环槽活塞的环,为了利用原三道槽活塞的环拼配于四道槽的活塞,应弄清三道环槽的活塞和四道环槽的活塞,其环槽高度尺寸设计不一样(见下表)。 CA141 liberation of cars, including 6102 engines have used three ring groove aluminum piston. In view of the fact that some maintenance units and spare parts suppliers still have three rings of ring groove pistons, in order to make use of the rings of the original three grooved pistons to match the pistons of the four grooves, it is necessary to find out the three ring grooves of pistons and four rings Groove piston, the ring groove height dimensions are not the same design (see table below).