Check whether piston fingers in lugs of the corresponding new pistons freely rotate.

Use the aligning mandrel of C13 and an assembly mandrel of A13 from a set (Mot. 574-22) for piston fingers without fillet.

Use the aligning mandrel of C13 and an assembly mandrel of A13-01 from a set (Mot. 574-24) for piston fingers with a fillet.

Fig. 2.176. Installation of a piston finger on an assembly mandrel: 1 – piston finger; 2 – assembly mandrel; 3 – the aligning mandrel

Establish a piston finger on an assembly mandrel and wrap the aligning mandrel to an inhaling of assembly (fig. 2.176).

Turn off an assembly mandrel on a quarter of a turn.