Inserting The Needle; Thread Tension - JUKI HZL-353Z Serie Manual De Instrucciones

D
A
B
C
B A
5
4
3
C
4
6
3
5
2
4
40

Inserting the needle

Change the needle regularly,
especially if it is showing signs
of wear and causing problems.
Insert the needle as illustrated
as follows:
A. Loosen the needle clamp
screw and tighten again af-
ter inserting the new needle.
(1)
B. The flat side of the shaft
should be towards the back.
C/D. Insert the needle as far up
as it will go.
Attention:
Turn power switch to "O" before
inserting or removing the
needle.
Needles must be in perfect
condition. (2)
Problems can occur with:
A. Bent needles
B. Damaged points
C. Blunt needles

Thread tension

Upper thread tension
Basic thread tension setting: "4".
To increase the tension, turn
the dial to the next number up.
To reduce the tension, turn the
dial to the next number down.
A. Normal thread tension
B. Thread tension too loose
C. Thread tension too tight