Distance From The Material Guide Rail To The Needle - Duerkopp Adler 744-122 Service Instructions Manual

4._ Distance from the material guide rail to the needle

Turn main switch off
- Risk of Injury -
With the roller 1 in the curve path the distance
between the rubber covering of the material guide
rail and the needle should be 0.7 mm.
The rubber edge should be led as close as possible
along the stitch hole edge.
This should be checked along the whole length of
the rail.
The rail should be moved manually past the needle
with the main switch turned off.
– Loosen screws 5 and 8.
– Set the distance of 0.7 mm by turning the
excentric rod 2 while at the same time holding
the block 7 in its position.
– Tighten screw 8.
1
10
– Pressure spring 3 holds the block 7 and roller 1
down. With the roller 1 in the curve path set the
distance between the clamping piece 4 and the
cast edge 6 at 3 mm.
– Tighten screw 5.
– Bracket 9 must switch on switch b5 when the
rail is raised and switch b6 when it is lowered.
The gap from the bracket to the switches
should be 0.5 mm.
Turn on main switch.
Key in Program 63 with the "PROGRAM" switch
and activate with the Stop key. Enter the
number 5 for switch b5.
With the switch switched on B5+ appears in the
display. Set switch b6 in the same manner.
The sewing unit can only be started with the
switches switched on.
b5
9
b6
2
3
4
5
6
7
8