66
32.4 Aligning the upper knife in sewing direction
Requirement: There should be approx. 1 mm between the left edge of the upper knife and
the left edge of the needle plate insert (fig. 6).
Move the knife carrier 11 (fig. 7) in accordance with the requirement (screw 12).
32.5 Aligning the upper knife across the sewing direction
Requirement: The upper knife 9 should touch the stationary knife with a small amount of
pressure (The knife skid must not hit the stationary knife!)
.1 Switch on the edge trimmer (key , LED on, fig. 2).
.2 Bring the upper knife to its lowest position.
.3 Lay the upper knife onto the stationary knife with a small amount of pressure (screw 13; fig. 7).
Requirement: The upper knife 9 (fig. 8) should be slightly out of alignment with the
stationary knife (scissor effect).
.4 Position the knife carrier 11 (fig. 7) a little out of alignment with the stationary knife (screw 15).
32.6 Aligning the stop eccentric
Requirement: When the stopper 16 (fig. 9) is touching the eccentric 17, there should be a
clearance of approx. 5 mm between the front edge of the housing and the
lever 19 (fig. 10).
.1 Remove the air supply.
.2 Pull the stroke bar 20 downwards as far as it will go.
.3 Taking care that the stopper 16 is touching the eccentric 17, adjust eccentric 17 in accordance with
the requirement (screw 21).
.4 Replace the air supply.
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