– 6 –
❶
❷
❸
❻
❾
❼
❽
❹
❺
❺
❽
❼
❻
4-2. Threading the machine head
Thread the thread take-up lever and the relevant
parts as illustrated in the gure.
(Adequate)
Increase
Decrease
Decrease
❶
❷
Needle thread
tension is ex-
cessively high
Needle thread
tension is ex-
cessively low
4-3. Adjusting the thread tension
1. Thread tension (needle thread)
The needle thread tension is increased by
turning thread tension screw
❶
clockwise or
decreased by turning it counterclockwise as
shown in the gure. Finished state of sewn
products varies depending on sewing condi-
tions such as the material, thread and stitch
length. It is therefore necessary to adjust the
thread tension appropriately according to the
sewing conditions.
2. Bobbin thread
Turn thread tension screw of the bobbin with
a screwdriver while tting the screwdriver in
screw slot
❷
as shown in the gure. The thread
tension is increased by turning the thread ten-
sion screw with the screwdriver clockwise or
decreased by turning it counterclockwise.
Increase
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power o and ascertaining that the motor is at rest.
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