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Setting the bobbin housing lifter
12.2 Setting the timing for opening
Correct setting
The bobbin housing lifter starts to open exactly at that point when the hook
tip is located below the bobbin housing lifter after the loop is taken up.
In 1-needle machines, this happens when the handwheel position is ap-
prox. 100°.
In 2-needle machines, this happens when the handwheel position is ap-
prox. 100° for the right-hand hook, and when the handwheel position is ap-
prox. 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 ( 3.3.1 Access to the machine bottom section,
Fig. 34: Setting the timing for lifting
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 setscrew (4).
6. Insert the plug (1) into the opening.
Service manual 567 classic - 01.0 - 10/2015
WARNING
Risk of injury.
Crushing injuries from moving parts.
Switch off the sewing machine before checking and
setting the point in time of opening.
page 10)
(1) - Plug
(2) - Hook housing
lifter.
lifter opens at the correct point in time.
(3) - Control cam
(4) - Setscrew
45
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