14. INSTALLING OPTIONAL PARTS
14. ANBRINGEN VON ZUBEHÖRTEILEN
14. INSTALLATION DES PIECES EN OPTION
14. INSTALACION DE PIEZAS OPCIONALES
w
e
0 – 0.05mm
Special bobbin case
Spezial Spulenkapsel
Boîte à canette spéciale
Caja de bobina especial
119
q
u
y
r
t
Hole
Loch
Trou
Orificio
!1
!0
o
i
1. For -30 □ /31 □ /40 □ /41 □ models, pull out the knee
lifter lever to remove it.
2. Tilt back the machine head. (Refer to page 8.)
3. Remove the bed cover
4. Remove the accessory bobbin case which is supplied
with the sewing machine.
5. Install the bobbin thread detector
e
screws
.
6. Push the slider
the window in the cover
u
pin
toward the shaft in the middle of the rotary hook.
Then adjust the installation position by turning the screw e
so that the clearance between the rotary hook and the de-
u
tector pin
becomes 0 - 0.05 mm.
7. Install the special bobbin case.
8. Push the slider
u
tor pin
goes into the hole in the bobbin case.
9. Install the bed cover
* Be careful not to clamp the cords with the bed cover
at this time.
10. Open the control box cover
11. Connect the bobbin thread detector connector
!0
nector
on the control circuit board.
12. Secure the bobbin thread detector connector
!1
binding strap
13. Close the control box cover
* After this, set the amount of lower thread remaining
to 0% while referring to the instructions on page 81.
If the amount of lower thread remaining is not set to
0%, the correct amount of lower thread remaining
will not be displayed.
DB2-DD7100A
q
.
w
to the bed with the two
y
up by inserting an Allen key
r
in order to move the detector
y
back up again and check that the detec-
q
.
i
. (Refer to page 17.)
. (Refer to page 20.)
i
.
t
in through
q
o
to the con-
o
with the