DURKOPP ADLER 512-211-01, Service Instructions Manual

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Adjusting the hook and needle bar
Service Instructions 512-211-01/532-211-01 - 00.0 - 06/2016 27
5.3 Adjusting the distance between the hook tip and needle
Cover
• Open the hook flap (

S. 17 ).
Fig. 19: Adjusting the distance between the hook tip and needle
Checking the correct setting
The hook tip (5) must be as close as possible to the groove of the needle,
without touching it.
The tip of the hook path bearing (6) should have a gap of 7.5 mm to the
right side of the needle.
Adjusting steps
1. Loosen the screw (1).
2. Loosen the safety screw (3) of the eccentric.
3. Adjust the hook path bearing (7) axially with the eccentric (2):
• Eccentric to the left : reduce distance.
• Eccentric to the right : increase distance.
4. Twist the hook path bearing (7) in such a way that it has a clearance
of 7.5 mm to the right-hand side.
5. Tighten the safety screw (3) of the eccentric.
6. Tighten the screw (1).
WARNING
Risk of injury from sharp and moving parts!
Crushing hazard and puncturing injuries due to
moving and sharp parts.
Switch off the sewing machine before adjusting the
distance between the hook tip and needle.
(1) - Screw
(2) - Eccentric
(3) - Eccentric safety screw
(4) - Needle
(5) - Hook tip
(6) - Tip of the hook path bearing
(7) - Hook path bearing
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② ① ③ ④ ⑤ ⑥