Use the centering mandrel C13 and the mounting mandrel A13 from the kit (Mot. 574-22) for piston pins without collar.
Use centering mandrel C13 and mounting mandrel A13-01 from the kit (Mot. 574-24) for flanged piston pins.
Pic. 2.176. Installing the piston pin on the mounting mandrel: 1 - piston pin; 2 - mounting mandrel; 3 - centering mandrel
Install the piston pin on the mounting mandrel and turn the centering mandrel until the assembly is tightened (pic. 2.176).
Loosen the mounting mandrel a quarter of a turn.