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Operation
Operating Instructions D669 M-TYPE DELTA - 00.0 - 10/2020
4.7
Changing the bobbin
WARNING
Risk of injury from needle tip and moving parts!
Puncture, cutting and crushing possible.
Turn off the machine before changing the bobbin.
NOTICE
Property damage may occur!
The surface of the bobbin may become damaged, causing
the bobbin rotation monitor to stop working correctly.
Do NOT use sharp parts to remove the bobbin!
Fig. 11: Changing the bobbin
②
③
④
(1) - Hole
(2) - Bobbin case upper section
(3) - Bobbin
To change the bobbin:
Removing an empty bobbin
1.
Move the needle to the top dead center.
①
⑤ ⑥
(4) - Slot
(5) - Tension spring
(6) - Hook cover
31
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