Adjusting The Hook Side Clearance - DURKOPP ADLER 827 Service Instructions Manual

10.2 Adjusting the hook side clearance

Order
First, check the following adjustments:
• A straight and undamaged needle has to be inserted ( Operating
• Needle bar linkage( p. 35)
• Looping stroke position ( p. 44)
Fig. 30: Adjusting the hook side clearance
(1) - Threaded pins
(2) - Set collar
(3) - Screws
Proper setting
1. Lock the machine in place at position 1 ( p. 22).
 The distance between the hook tip and the groove of the needle is
To adjust the hook side clearance:
1. Tilt the machine head ( p. 14).
2. Open the throat plate slide ( p. 18).
3. Lock the machine in place at position 1 ( p. 22).
4. Loosen the screws (3).
5. Loosen the threaded pins (1) for the set collar (2).
6. Move the hook support (3) sideways such that the distance between
7. Tighten the screws (3).
Order
Then check the following adjustment:
• Needle guard ( p. 48)
46
Instructions)
①
②
no greater than 0.1 mm.
the hook tip (6) and the groove for the needle (5) is 0.1 mm at most,
without the hook tip (6) touching the needle.
Position of the hook and needle
③
③ ④
(4) - Hook support
(5) - Groove
(6) - Hook tip
Service Instructions 827/827-M - 01.0 - 05/2019
⑥
⑤