Power on the machine with your Haas Control Key.

Change Setting 53 to On.

Change Setting 9 to Inch.

Press [DIAGNOSTIC].

Navigate to the I/O tab [2] in the Diagnostics tab [1].

Type SMTC [3] and press [F1].

Navigate to the Factory tab [5] in the Parameters tab [4].

Type TT/TA [6] and press [F1].

 Note: Software version 100.17.000.1037 and later the TT is now the TA axis but the parameter numbers are the same.

Press [EMERGENCY STOP].

Navigate to Parameter 11.019 [1].

Type 0.

Press [ENTER].

Navigate to Parameter 11.078.

Type 0.

Press [ENTER].

Release [EMERGENCY STOP].

Make the TT/TA Axis visible in the Position box [2]. Refer to Next Generation Control - Position View - Axis Selection.

Press [T/TA]. Press [HANDLE JOG]. Press [.001/1.]

Press [DIAGNOSTIC].

Navigate to the I/O tab in the Diagnostics tab.

[HANDLE JOG] the T/TA Axis in the clockwise direction until the Value for Input Number 72 and 91 are 1.

Press [T/TA]. Press [ZERO RETURN]. Press [SINGLE].

Press [EMERGENCY STOP].

Press [DIAGNOSTIC].

Navigate to the Factory tab in the Parameters tab.

Navigate to Parameter 11.140.

Press [T/TA]. Press [F4].

Release [EMERGENCY STOP].

Press [T/TA]. Press [HANDLE JOG]. Press [.001/1.].

Press [DIAGNOSTIC].

Navigate to the I/O tab in the Diagnostics tab.

[HANDLE JOG] the T/TA Axis in the clockwise direction until the Value for Input Number 72 and 91 are 1.

Press [T/TA]. Press [ZERO RETURN]. Press [SINGLE].

Press [T/TA]. Press [HANDLE JOG]. Press [.001/1.].

Press [DIAGNOSTIC].

[HANDLE JOG] the T Axis in the clockwise direction until the Value for Input Number 72 and 91 are 1.

Continue to handle jog the T Axis clockwise (2) revolutions. The Value for Input Number 72 and 91 must remain at 1.

Navigate to the Factory tab in the Parameters tab.

Press [EMERGENCY STOP].

Navigate to Parameter 11.078.

Type the negative value of the T/TA-Axis Position. For example, if the value for the T/TA-Axis Position is 8.9911, type -8.9911.

Press [ENTER].

Navigate to Parameter 11.019.

Type 1.

Press [ENTER].

Release [EMERGENCY STOP].

Change Setting 53 to Off.