Setup
120 Operating Instructions 867 - 04.0 - 03/2018
7.12.5 Connecting the machine head
To connect the machine head: 
1. Insert the plug on the connecting cable for the machine head 
into the socket of the respective control. 
7.12.6 Assembling and connecting the Hall sensor
Information
The Hall sensor is required for machines with a transmission ratio 
of 1:1.55 between the motor and machine.
The transmission ratio of 1:1.55 provides approx. 30% more torque 
and stitching force compared to the normal transmission ratio 
of 1:1.
Important
For this reason, when using the Hall sensor it is important to ensure 
that the maximum speed for the respective subclass is not 
exceeded.
To assemble the Hall sensor: 
1. Remove the handwheel and handwheel cover.
2. Remove the valve cover.
DANGER
Risk of death from electric shock!
Unprotected contact with electricity can result in 
serious injuries or death.
Disconnect the power plug before assembling 
and connecting the Hall sensor. 
Ensure the power plug cannot be unintentionally 
reinserted.