Thread cutter
Service Instructions 1767 - 00.0 - 12/2016 75
16 Thread cutter
16.1 Setting the height of the thread-pulling knife
The height of the thread-pulling knife is factory-set such that the distance (5)
between the upper edge of the knife carrier (4) and the hook bearing screw-
on surface (3) is 10.7+
0.05 mm. Fine adjustment is made by means of wash-
ers between the knife carrier (4) and the thread-pulling knife (2).
Important
When changing the knives, make sure that you do not lose the washers.
Proper setting
The thread-pulling knife (2) pivots as close as possible above the hook
and is at the same height as the counter blade (1).
Cover
• Open the throat plate slide ( p. 21)
Fig. 60: Setting the height of the thread-pulling knife
CAUTION
Risk of injury from sharp and moving parts!
Puncture or crushing possible.
Switch off the machine before setting the thread
cutter.
(1) - Counter blade
(2) - Thread-pulling knife
(3) - Hook bearing screw-on surface
(4) - Knife carrier
(5) - Distance
(6) - Screw
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