Adjusting Hook And Needle Bar - Dürkopp Adler 650-10 Service Instructions Manual

Locking the machine in place
Lock the machine in place as follows:
1. Remove the plug (1) from the locking opening (2).
2. Turn the handwheel until the number for the required locking position
3. Insert the locking peg (3) through the locking opening (2) and into the
Removing the positional lock
To remove the positional lock:
1. Pull out the locking peg (3).
2. Insert the plug (1) into the locking opening (2).

3.6 Adjusting hook and needle bar

The following 3 settings must be coordinated with each other:
• Loop stroke
• Hook clearance to needle
• Needle bar height
Information
The loop stroke position is the position of the hook in which the
hook tip points precisely at the center line of the needle.
The loop stroke is the path length from the bottom dead center of the nee-
dle bar up to the height where the hook is in the loop stroke position.
The loop stroke of the 650-10 is 1.8 mm.
20
is next to the marking (4).
groove of the arm shaft crank.
Important
The numbers on the handwheel are used for rough orientation! If nec-
essary, you may still have to turn the handwheel slightly in order to
meet the groove exactly.
Individual settings
Service Instructions 650-10 - 01.0 - 08/2016