Table of Contents
Advertisement
Work principles
There are 3 locking positions for the following settings:
• Position 1
• Position 4
• Position 6
Positions 2, 3 and 5 are not used.
Figure 8: Blocking the sewing machine
(1) - Plug
(2) - Locking opening
Blocking the machine
1. Pull the plug (1) out of the locking opening (2)
2. Turn the handwheel until the number for the desired locking position is
3. Push the locking pin (3) through the locking opening (2) into the groove
Releasing the lock
1. Remove the locking pin (3)
2. Insert the plug (1) into the locking opening (2)
Service Instructions 650-16 Version 00.0 - Last Updated 09/2012
• Loop stroke position
• Hook clearance to needle
• Control curve for thread cutter
• Reference position for control unit with needle at top dead centre
next to the mark (4).
on the arm shaft crank.
The numbers on the handwheel provide rough orientation. To hit the
groove precisely, you might need to turn the handwheel slightly.
(3) - Locking pin
(4) - Mark
15
Advertisement
Table of Contents
