Hohner UNIVERSAL 43/6 S, Operating Instructions Manual

Page: 55 / 55

Faults
Hohner Maschinenbau GmbH HK 43/6 S 55
Stitch legs break
off:
Hump at a stitch
corner:
Stitch legs
contract or
diverge: Leg ends
clinched the wrong
way round:
One or both legs
are clinched
obliquely:
Stitch legs are
clinched obliquely
to the same side:
Lightly bent wire
pieces fall out:
Wire loop between
conveyor wheels
and wire guidance
tube:
Straight wire
pieces fall out:
Remedy for faults:
loop stitching - Bender lock defective, cf. 4.2.3.1.
- Wire too brittle: use a different wire quality.
- 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.
- Weak or soft wire.
- Driver damaged, cf. 4.2.5.
- Circular or flat knife worn, cf. 4.2.4.
- Wire not aligned, cf. 3.5.
- Circular or flat knife worn, cf. 4.2.4.
- Wire not aligned, cf. 3.5.
- Align clincher box, cf. 3.1.4.
- Weak or soft wire.
- Wire not aligned, cf. 3.5.
- Circular or flat knife worn, cf. 4.2.4.
- Clincher damaged, cf. 3.1.3.
- Adjustment of clincher box mounting to stitching
head mounting, cf. 3.1.4.
- Wire not aligned, cf. 3.5.
- Adjustment of clincher box mounting to stitching
head mounting, cf. 3.1.4.
- Wire not aligned, cf. 3.5.
- Crimping lock defective, cf. 4.2.3.1.
- Bender worn, cf. 0.
- Wire not aligned, cf. 3.5.
- 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.
- Lower wire tube in cutting block has shifted:
adjust slightly up or down.
- Former incorrectly set, cf. 4.2.1.
- Weak leaf spring on former cover.
- Wire not aligned, cf. 3.5.
- Former set incorrectly, cf. 4.2.1.
You will find most faults and their causes in the
preceding section.