Setting The Side Distance Of The Hook - DURKOPP ADLER 878-M PREMIUM Service Instructions Manual

10.4 Setting the side distance of the hook

Order
First, check the following setting:
Proper setting
The machine is locked in position 1 ( p. 15).
The distance between the hook tip and the needle groove is 0.02 to 0.1 mm.
1. Tilt the machine head ( p. 15).
2. Open the hook cover.
Fig. 26: Setting the side distance of the hook
①
②
③
④
(1) - Threaded pins
(2) - Clamping ring
(3) - Needle groove
(4) - Hook tip
3. Lock the machine in place at position 1 ( p. 21).
4. Loosen the four threaded pins (1) of the clamping ring (2).
5. Loosen the two screws (6) and the screw (8).
6. Move the hook column (5) away from the needle.
7. Tighten the screws (6) slightly, and using the feed screw (7) move the
 The distance between the hook tip (4) and the needle groove (3) is
38
• A straight and undamaged needle has been inserted ( Operating
Instructions)
• The needle bar linkage is aligned correctly ( p. 27)
• Loop stroke position ( p. 39)
hook column.
0.02 to 0.1 mm.
The hook tip (4) shall not touch the needle.
Setting the hook and the needle bar
⑤
(5) - Hook column
(6) - Screws
(7) - Feed screw
(8) - Screw
Service Instructions 878-M PREMIUM - 03.0 - 10/2019
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⑥ ⑦