
Preparation
30
Fig. 9 - 04
9
.04
Changing the bobbin / adjusting the bobbin thread tension
Switch on the machine.
●
Call up the threading aid.
●
The feed bar moves out of the needle area, the sewing foot is lowered and the sewing
start function is locked.
Press both start keys at the same time, see Chapter
●
7.07 Start keys
.
The loading table moves forwards and the hook area of the sewing machine head beco-
●
mes accessible.
Pull up latch
●
1
and take out bobbin case
2
together with the bobbin.
Insert the fi lled bobbin in the bobbin case as shown in the above illustration (when the
●
thread is drawn, the bobbin should turn in the direction of the arrow).
Lead the thread through the slot under the spring as shown in Fig.
●
9.04.
Adjust the bobbin thread tension by turning screw
●
3.
Pull up latch
●
1
and insert bobbin case
2
together with the bobbin in the hook.
Release latch
●
1
and press the bobbin case into the hook until you feel it click into place.
●
Bring the machine into its last position before threading
●
or
Bring the machine into its basic position.
●
3
2
1
5 cm
+
-
Summary of Contents for 3519-4/01
Page 38: ...Sewing 38 Double pointed darts Fig 10 02 0 320 mm 0 320 mm Insertion marking Insertion marking...
Page 142: ...142 Pneumatics switch diagram Version 14 06 06 91 744 699 95 Part 6...
Page 150: ...150 Circuit diagram Version 10 07 08 91 191 499 95 Part 1...
Page 151: ...151 91 191 499 95 Part 2 Version 30 03 06 Circuit diagram...
Page 152: ...152 Circuit diagram Version 30 03 06 91 191 499 95 Part 3...
Page 153: ...153 91 191 499 95 Part 4 Version 11 02 11 Circuit diagram...
Page 154: ...154 Circuit diagram Version 30 11 05 91 191 499 95 Part 5...
Page 155: ...155 91 191 499 95 Part 6 Version 10 07 08 Circuit diagram...
Page 156: ...156 Circuit diagram Version 30 03 08 91 191 499 95 Part 7...
Page 157: ...157 91 191 499 95 Part 8 Version 01 10 08 Circuit diagram...
Page 158: ...158 Circuit diagram Version 30 03 06 91 191 499 95 Part 7...
Page 159: ...159 91 191 499 95 Part 8 Version 07 07 06 Circuit diagram...