Position of the hook and needle
44 Service Instructions 827/827-M - 01.0 - 05/2019
10 Position of the hook and needle
10.1 Adjusting the looping stroke position
The looping stroke is the path length from the bottom dead center of
the needle bar up to the position where the hook tip is exactly on the
vertical center line of the groove for the needle.
The looping stroke is precisely 2 mm.
Order
First, check the following adjustments:
• Needle bar linkage( p. 35)
• A straight and undamaged needle has to be inserted ( Operating
Instructions)
WARNING
Risk of injury from moving parts!
Crushing possible.
Switch off the machine before you check and set
the position of the hook and needle.
NOTICE
Property damage may occur!
There is a risk of machine damage, needle breakage or damage
to the thread if the distance between needle groove and hook tip
is incorrect.
Check and, if necessary, reset the distance to the hook tip after
inserting a needle with a new size.
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