DURKOPP ADLER 878-M PREMIUM, Service Instructions Manual

Page: 38 / 130

Setting the hook and the needle bar
36 Service Instructions 878-M PREMIUM - 03.0 - 10/2019
Fig. 24: Setting the looping stroke (2)
1. Lock the machine in place at position 1 (

p. 21 ).
2. Loosen the threaded pins (2) of the clamping ring (1).
3. Turn the hook so that the hook tip (4) points exactly to the needle
groove axis (3).
4. Tighten the threaded pins (2) of the clamping ring (1).
5. Remove the lock .
Order
Then, check the following settings:
• Position of the needle guard (

p. 39 )
• Setting the cutoff curve (

p. 55 )
(1) - Clamping ring
(2) - Threaded pins
(3) - Needle groove
(4) - Hook tip
①
② ③
④ ②