Hohner ST 55 L Operating Instructions/Spare Parts List page 43

Hohner Maschinenbau GmbH
Stitch legs break - Wire too brittle: use a different wire quality.
off:
- Former blocked by pieces of wire: remove wire
pieces, remove former if necessary.
- Gripper spring or gripper in former defective.
- Wire thickness not suitable for the wire guiding
parts (bender and driver).
- Adjust former to bender groove.
Hump at a stitch - Weak or soft wire.
corner: - Driver damaged, cf. 4.2.2.
- Circular or flat knife worn, cf. 4.2.4.
Stitch legs
contract or - Circular or flat knife worn, cf. 4.2.4.
diverge: - Align clincher box, cf. 3.1.3
Leg ends clinched - Weak or soft wire.
the wrong way - Circular or flat knife worn, cf. 4.2.4.
round:
One or both legs - Clincher damaged, cf. 3.1.2
are clinched - Adjustment of clincher box mounting to stitching
obliquely: head mounting, cf. 3.1.3
Stitch legs are - Adjustment of clincher box mounting to stitching
clinched obliquely head mounting, cf. 3.1.3
to the same side: - Bender worn, cf. 4.2.3.
Lightly bent wire
pieces fall out: - Cutting slider jammed: circular knife set too
tightly to flat knife, cf. 4.2.4.3.
- Cutting rocker locked, pressure spring in cutting
block defective.
Wire loop between - Lower wire tube in cutting block has shifted:
conveyor wheels adjust slightly up or down.
and wire guidance - Former incorrectly set, cf. 3.5
tube:
Straight wire - Weak spring pressure on former.
pieces fall out: - Former set incorrectly, cf. 3.5
ST 55 L
Faults
43