# Wrench Production Rundown Stage Parameters

The parameters shown in the tables are available if one of the STwrench strategies are used. There are several combinations of strategies. Some of the parameters are only available for certain strategies and may not be visible in other strategies.

Parameter rules are automatically checked. If a violation occurs, the error indicator is displayed beside the incorrect parameters. Select the error indicator to display more information about the error.

Switching between strategies can result in the error indicator being shown. This indicates that the chosen combination is invalid, and needs to be corrected.

For more information about the STwrench, see the STwrench User Guide (printed matter number 9836 4134 01).

Rundown complete is in the STwrench documentation defined as Cycle start , this is when the tightening step begins.

Parameters in the STwrench rundown step
Parameter name | Description | Default value
--- | --- | ---
Rundown speed |  | 690 rpm
Rundown complete torque | Definition of the Rundown complete point | Depends on the smarthead minload (usually 5% of nominal torque) in Nm
Ratchet time |  | 5000 ms