Pfaff 1245 Instruction Manual page 75

Bring the machine to needle rise position, activate the engaging lever and bring the
thread catcher to its front point of reversal by turning the handwheel.
Align clamp spring (screws ) in the elongated hole in accordance with
if necessary carrier (screws ) as well.
In this position, and taking care to ensure that carrier is parallel to the machine
bedplate, tighten screws and .
Fig. 11 - 29 A
11 - 35