DURKOPP ADLER LP 2971, Инструкция по эксплуатации

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6.8 Changing the needle with double-needle machines
Caution! Risk of injury!
Turn off the main switch.
The needles may only be changed with the sewing machine
switched off.
–
Loosen the screws (1).
–
Remove the needle and insert new ones with the needle scarf (2)
oriented as shown above [see section (3) or (4)]. The needles may
not be oriented as shown at section (5).
–
Tighten the screws (1).
Caution! Danger of breakage!
A false orientation of the needle may damage the hook point.
When changing to another needle size, the distance between hook
and needle, as well as the position of the throat plate towards its post
must be readjusted (see service instructions).
16
MAX.
3°
5
4
3
1
2