Setting The Bobbin Thread Tension - DURKOPP ADLER 745-35-10 S Operating Instructions Manual

4.9.2 Setting the bobbin thread tension

Fig. 17: Setting the bobbin thread tension
(1) - Flat
(2) - Adjusting screw
Setting the braking spring
In case of a positioned stop of the machine head the braking spring avoids
an after-run of the bobbin thread reel.
To set the braking spring:
1. Set the braking spring (4) by alignment.
 The brake power is set properly when the braking spring (4) protrudes
2. When setting the leaf spring (3) take the brake power into consideration.
Setting the leaf spring
To set the leaf spring:
1. Start by setting the tension of the leaf spring (3) to a minimum level
 With the bobbin inserted and the bobbin thread threaded through the
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from the flat (1) by approx. 1 mm.
using the adjusting screw (2).
• Increase the bobbin thread tension: Turn clockwise
• Reduce the bobbin thread tension: Turn counterclockwise
throat plate a uniform and easy pull-off must be assured.
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(3) - Leaf spring
(4) - Braking spring
Operating Instructions 745-35-10 S/745-35-10 A - 03.0 - 04/2017
Operation
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