Dürkopp Adler 204 Operating Instructions Manual page 20

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Final backtack. fig. 21
- Switch S21 up : Final backtack on
down: off
Number of backtack stitches. fig . 19
- Switch group b70 for initial backtack single <ARe)
b71 " double <ARd)
b
7
2 " s i ng 1 e <ERe )
b73 " double <ERd)
Each single switch has a specified value in it's closed position:
Switch 1 and 5
=
1 stitch
2 and
6
=
2 stitches
3 and
7
=
4
stitches
4 and
8
=
8
stitches
Open switches have zero value.
By combination, the single switches can produce backtacking with 1 to
15 stitches .
Position of presser foot after backtacking# fig. 21
The position of the presser foot after backtacking can be determined
with the jumper S45:
Jumper closed - presser foot raised
Jumper open - presser foot down
5 . 3.2 Control box Quick Type AQ 5.609
Initial backtack # fig. 23
- Switch up Initial backtack single
middle: off
down double
Final backtack # fig. 23
- Switch D up Final backtack single
" middle: off
" down double
Number of backtack
stitches~
fig. 20
- With the turning switch Ar2 for the initial backtack single <ARe)
Ar1" double <ARd>
Er2 " single <ERe>
Er1 " double <ERd>.
For each backtack , the number of stitches can be selected from 0 to 9
Position of presser foot after backtacking# fig. 23
The position of the presser foot after backtacking can be determined
with the switch E .
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(
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