Pressure Foot Lift; Play In The Lift Mechanism; Height Of The Raised Pressure Feet, Lift Limitation - Duerkopp Adler 550-12-23 Service Instructions Manual

2.6

Pressure Foot Lift

2.6.1

Play in the Lift Mechanism

2.6.2

Height of the Raised Pressure Feet, Lift Limitation

1
2
The play in the lift mechanism should be 1 mm when at least one of
the two pressure foot lays onto the needle plate or the feed dog.
Caution Risk of Injury!
Before adjusting turn the main switch off.
–
Loosen screw 1 and alter the position of the clamping block 2 on
the shaft appropriately.
–
Tighten screw 1.
The pressure feet can be raised by stepping back on the pedal.
The "free through-put" between the raised pressure feet and the
needle plate must be 15 mm. The lift height may, however, be set so
that with the needle at top dead center the lift height is 17 mm but the
needle point does not extend under the pressure feet.
Caution Risk of Injury!
Before adjusting turn the main switch off.
–
Alter the stop screw 1 appropriately.
17