Thread trimmer
Service Instructions 827/827-M - 01.0 - 05/2019 59
14 Thread trimmer
14.1 Adjusting the height of the thread-pulling knife
The height of the thread-pulling knife is factory-set such that the distance A
between the upper edge of the knife carrier and the hook bearing screw-on
surface is 10.7 +
0.05 mm. Fine adjustment is made by means of washers
between the knife carrier and the thread-pulling knife.
Important
When changing the knives, make sure that you do not lose the washers.
Fig. 42: Adjusting the height of the thread-pulling knife
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).
WARNING
Risk of injury from sharp and moving parts!
Puncture or crushing possible.
Switch off the machine before adjusting the thread
trimmer.
(1) - Counter blade
(2) - Thread-pulling knife
(3) - Hook bearing screw-on surface
(4) - Knife carrier
(5) - Screw
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