Position of the hook and needle
46 Service Instructions 869-M PREMIUM - 00.0 - 07/2018
10 Position of the hook and needle
10.1 Setting the hook side clearance
Order
First, check the following settings:
• A straight and undamaged needle has been inserted ( Operating
Instructions)
• Needle bar linkage is aligned correctly ( p. 42)
• Loop stroke position ( p. 48)
Proper setting
Machine is locked in place at position 1 ( p. 25).
The distance between the hook tip and the groove of the needle is
maximum 0.1 mm.
To set the hook side clearance:
1. Execute the service routine Needle-Hook > Timing
( p. 14).
The software is used to define the necessary presettings on the
machine.
2. Tilt the machine head ( p. 17).
3. Remove the free arm cover.
4. Open the throat plate slide.
5. Disassemble the throat plate.
6. Disassemble the feed dog.
WARNING
Risk of injury from sharp and moving parts!
Puncture or crushing possible.
Move the machine into the service routine before
setting the position of the hook and the 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, readjust the distance to the hook tip after
inserting a new needle with a different size.
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