Question about the location of the crankshaft sprocket

Hello,

in connection with
Okay, I understand. Please provide the German text you want me to translate into English. I will only provide the translation.
It would be interesting to investigate to what extent the gearbox gear is fixed by being mounted in a specific position.

As far as I know, the crankshaft stub is flattened, which means that the timing rotor cannot be mounted in a twisted position.
I've never tinkered with it before (except for removing a pulley/vibration damper).
Therefore, I would like to know if the ZR...

a) A conical seat with a flattened area means that the rotational play of the gear should decrease to 0.000000 when tightening the crankshaft screw -> forced fixation in the direction of rotation.

b) If a cylindrical centering is used, then depending on the manufacturing precision of the flat surfaces on the crankshaft stub and the corresponding surface in the gear, there will be some rotational play. This play can only be suppressed by the clamping pressure between the crankshaft and the gear, which is provided by the tightening of the crankshaft bolt.

Or does each engine type have a different type of torque limiter at the end?

Hi Ulf.

My 1Z had a truncated cone and a Belleville washer, which made it impossible to twist during assembly (assuming that it hadn't already been worn out due to the soft material ). To my knowledge, it wasn't flattened, but I could be mistaken.

Or does your question only refer to the ASZ (presumably a specific institution or organization)?

Regards,
Heart.

Hati wrote:

Oder bezieht sich deine Frage nur auf den ASZ?

Nein auf (möglichst) alle Motoren, besonders aber PDs wegen der Frage der OT-Referenz im o.g. [Please provide the German text you would like me to translate.]

Thank you in advance for your contribution!