Needle Thread Threading On 1-Needle Machines - Dürkopp Adler 1767 Operating Instructions Manual

Operation
Operating Instructions 1767 - 00.0 - 12/2016
4.4.1

Needle thread threading on 1-needle machines

Fig. 6: Needle thread threading on 1-needle machines (1)
①
②
③
(1) - Thread lever protection
(2) - Thread guide
(3) - Thread tensioning spring
(4) - Thread guide
To thread the needle thread in 1-needle machines:
1. Feed the needle thread through the thread guide (8) as shown
above.
2. Feed the needle thread from top to bottom through the left
hole of the thread lever protection (1).
3. Feed the needle thread from the left to the right through the
thread guide (2).
4. Guide the needle thread clockwise around the pre-tensioner (7).
5. Guide the needle thread counterclockwise around the addi-
tional tensioner (6).
6. Guide the needle thread clockwise around the main
tensioner (5).
7. Feed the needle thread from the right to the left through the
thread guide (4).
(5) - Main tensioner
(6) - Additional tensioner
(7) - Pre-tensioner
(8) - Thread guide
⑧
⑦
⑥
⑤
④
23