Operation
Operating Instructions 878-M PREMIUM - 02.0 - 02/201848
To interrupt sewing:
1. Release the pedal in pedal position 0:
The machine stops, needles and top roller are down.
To continue sewing:
1. Press the pedal forwards in pedal position +1:
The machine continues to sew.
To sew over thickened seams:
1. Switch on the elevated top roller stroke with the knee lever
( Electronic knee lever, p. 43).
To change the stitch length:
1. Switch on the 2nd stitch length using the key for the quick
function ( Quick functions on the keypad, p. 44).
To increase the thread tension:
1. Switch on the auxiliary thread tensioner using the key for the
quick function ( Quick functions on the keypad, p. 44).
To sew intermediate bar tacks:
1. Press the reverse sewing button on the keypad
( Quick functions on the keypad, p. 44).
To finish a seam:
1. Press the pedal back completely in pedal position -2:
The machine sews the end bar tack, and the thread cutter
cuts the thread.
The machine stops, needles and sewing feet are up.
2. Remove the sewing material.
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