Pfaff 2170 - Manual (Page 108)

Embr
oidery
5:11
Lowering the feed dogs
The feed dogs must be lowered for hoop embroidery. To lower the feed
dogs move the slide (D) to the left.
Note: Raise the presser foot before lowering the feed dogs.
The thread tension is automatically set and can be adjusted for
specialty techniques.
Disengaging the IDT
The IDT must be disengaged for embroidery work.
Procedure:
Hold the IDT fi rmly at the ribbing with two fi ngers.
Press the IDT downward, then pull it away from you and release it
slowly upward until it disengages.
Removing the knee lift
The knee lift is not needed for embroidery and can be removed. To
remove the knee lift just pull it out of the hole.
D