2.2.11.19. Preparation of piston fingers
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
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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.