Bobbin Winder - Dürkopp Adler 52 i Series Service Instructions Manual

8.2 Bobbin winder

Proper setting
If the bobbin winder is switched off, the space between the driving and
driven wheels of the bobbin winder should be as small as possible, but
they must not touch each other.
When winding the thread, the bobbin winder should automatically switch
off when the thread is wound up to 0,5 mm under the bobbin outer diam-
eter.
Pic. 34: Bobbin winder
(1) - Indented belt
(2) - Regulating screw
(3) - Pulley
1. Dismantle the arm cover ( p. 13).
2. Shift the indented belt (1) with a screwdriver so that two regulating
3. Mount the arm cover ( p. 13).
4. Switch off the bobbin winder with the lever (5).
5. Insert a hexagonal key through the hole (4) into the regulating screw (2)
6. Adjust the switch lever (5) with the screw (6) and test whether the
46
screws (2) are accessible and loosen them.
and shift the indented belt pulley (3) to the left up to the stop. Afterwards
shift it by 0,5 mm to the right and tighten the screw. Then tighten also
the other belt pulley fixing screw.
adjustment complies with the proper setting.
Thread mechanism
①
②
③
(4) - Hole
(5) - Switch lever
(6) - Screw
Service Instructions 52Xi, 52Xi-75 - 00.0 - 11/2021
⑥
⑤
④