Duerkopp Adler 744-122, Инструкция по эксплуатации

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7.8 Hook in the hook bearer
Turn main switch off
- Risk of Injury -
In relation to the machine plate the hook front
should be in a position of 89° 30’, that is, the hook
tip must point slightly forward of the theoretical line
of hook movement.
The setting of the hook is achieved by an
appropriate tightening of the screw 6 in the hook
bearer.
7.9 Setting the hook to the needle
center
Turn main switch off
- Risk of Injury -
In adjustment disk position C the hook tip should lie
on the needle center.
– Arrest handwheel in notch C.
– Loosen screw 7 and turn the stopper screws 8
appropriately.
– Set a clearance of 0.05 to 0.1 mm between the
hook tip and the needle.
– Tighten screw 7.
7.10 Needle bar height
Turn main switch off
- Risk of Injury -
Set the needle bar height so that at the moment
when the hook eye lies on the middle of the needle
the upper edge of the eye of the needle lies at the
center of the hook eye. See sketch.
– Remove cover plate.
– The needle bar fastening screw is accessable
through the hole 9.
– Set the needle bar higher or lower as needed.
Tighten the needle bar fastening screw.
– Set a clearance of 0.05 to 0.1 mm between the
needle and the hook tip.
6
9
8
8
7
19