JUKI DNU-1541S User Manual

13. THREAD TENSION
1) Adjusting the needle thread tension
Turning thread tension nut
➊
clockwise
A
will increase
the needle thread tension, or counterclockwise
B
will
decrease it.
B
A
➊
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the follow-
ing work after turning the power off and ascertaining that the motor is at rest.
– 26 –
2) Adjusting the bobbin thread tension
Turn tension adjustment screw
➋
clockwise
A
to increase the bobbin thread
tension, or counterclockwise
B
to decrease it.
➋
A
B
– 27 –
➊
➋
➎
➍
➌
14. THREAD TAKE-UP SPRING
(1) When you want to change the stroke of the spring :
1) Loosen screw
➋
in the stopper, and move stopper
➌
to the right or left to change the stroke of thread take-
up spring
➊
.
2) Move the stopper to the right to increase the stroke of
the thread take-up spring, or the left to decrease it.
(2) When you want to change the tension of the spring :
1) Loosen nut
➍
, and turn spring stud
➎
counterclockwise
to increase the tension of the spring, or clockwise to
decrease it.
Decrease Increase
– 28 –

JUKI DNU-1541S Specifications

General

Machine Type	Single Needle Lockstitch
Max Stitch Length	9 mm
Presser Foot Lift by Hand	9 mm
Presser Foot Lift by Knee	16 mm
Lubrication	Automatic
Max Sewing Speed	2500 stitches per minute
Hook	Full Rotary Hook
Bed Size	477mm(L)×177mm(W)