Setting The Point In Time Of Opening - Dürkopp Adler M-TYPE H867 Service Manual

Setting the spool housing lifter

12.2 Setting the point in time of opening

Correct setting
The spool housing lifter starts to open exactly at that point when the hook
tip is located below the spool housing lifter after the loop is taken up.
In 1-needle machines, this happens when the handwheel position is
approx. 100°.
In 2-needle machines, this happens when the handwheel position is
approx. 100° for the right-hand hook, and when the handwheel position is
approx. 300° for the left-hand hook.
For 100° or 300°, the control cam setscrew (4) is exactly in the middle of
the opening. (insert hex key in the setscrew for orientation)
Cover
• Tilt the upper section backwards
Figure 42: Setting the point in time of lifting
(1) - Plug
(2) - Hook housing
Setting steps
1. Remove the plug (1) on the bottom side of the hook housing (2).
2. Loosen the control cam setscrew (4) through the opening.
3. Turn the handwheel until the hook tip is exactly below the spool housing
4. Use the hex key to turn the control cam (3) such that the spool housing
5. Tighten the control cam setscrew (4).
6. Insert the plug (1) into the opening.
Service manual H867 Version 00.0 - 08/2013
WARNING
Risk of injury
Switch off the sewing machine before checking and setting
the point in time of opening.
(  Section 4.4.1 Access to the machine bottom section, page 10)
lifter.
lifter opens at the correct point in time.
(3) - Control cam
(4) - Control cam setscrew
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