Length Of Remaining Thread To Be Removed - JUKI AMS-221F3020RSZ/AW-3 Instruction Manual

[ How to load a bobbin in the device ]
If the bobbin case is not correctly placed in the bobbin setting section ❷ of the device,
an error such that the gripper fails to catch the bobbin case can occur.
If the bobbin case is not correctly placed in the device, the bobbin case can drop from
the device without raising its claw. After you have set the bobbin case in the device,
make sure that the bobbin case has not dropped from the device.

4-5-3. Length of remaining thread to be removed

❶
Load the bobbin case fitted with a bobbin, as
❸
described in (1), in bobbin setting section ❷ of the
device.
❷
Load the bobbin case fitted with a bobbin while
putting your hand from under the right side of the
cover located this side of the device.
Set the bobbin case in such a way that its opening
❹
section ❸ aligns with lock member ❹ .
Place the bobbin case in the device with the claw
of bobbin case raised. Push the bobbin case in
the device fully until it will go no further.
During the remaining-thread removal operation,
bobbin clutch holes ❶ turn as the bobbin rotates.
The device recognizes that the remaining thread
is being removed by detecting turning of the bob-
bin clutch holes ❶ .
– 22 –
The maximum length of remaining
thread that can be removed in 8 m.
Be aware that a remaining-thread
removal error may occur if the bob-
bin is wound with thread to such an
extent that the bobbin clutch holes
❶ are hidden by the thread. If the
length of thread remaining on the
bobbin exceeds 8 m, it is necessary
to remove the thread from the bobbin
by hand.