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47
When the chain stitch needle thread tension is too loose;
-Turn the chain stitch needle thread tension fine tuning lever
(Red) toward the “+”.
-Or, turn the chain stitch looper thread tension fine tuning
lever (Purple) toward the “-”.
9) 5-Thread Chain Stitch 3-Thread Overlock
Overedge Needle thread
Chain stitch needle thread
Lower looper thread
Chain stitch looper
thread
Topside
Underside
Upper looper thread
Upper looper thread
Overedge Needle thread
Chain stitch needle thread
Overedge Needle thread
Chain stitch needle thread
Topside
Underside
Lower looper thread
Chain stitch looper thread
Chain stitch looper thread
Topside
Underside
Overedge Needle thread
Chain stitch needle thread
Overedge Needle thread
Chain stitch needle thread
Chain stitch looper thread
Upper looper thread
Topside
Upper looper thread
Lower looper thread
Underside
Lower looper thread
Chain stitch looper thread
Topside
Upper looper thread
Underside
Lower looper thread
N
N
N/A
L
4
1
2
3
4
Medium weight
Fabric
Blue
Yellow Green
Red
Purple
Tension Dial
STITCH LENGTH
NEEDLE POSITION
SEAM WIDTH FINGER KNOB
DRIVING CULTCH POSITION
CONVERTER
AUTO TENSION DIAL
A
NARROW
WIDE
Set auto tension dial to B
test sew on a
sample of your fabric.
shown at right and
Correct Balance
Note:
These are suggested tension settings only.
Tension settings may be effected by :
1) Type and thickness of fabric
2) Needle size
3) Size, type and fiber content of thread
When the left needle thread tension is too loose;
-Turn the left needle thread tension fine tuning lever (Yellow)
toward the “+”.
3
When the lower looper thread appears on the top of the
fabric;
-Turn the lower looper thread tension fine tuning lever (Blue)
toward the “+”.
-Or, turn the upper looper thread tension fine tuning lever
(Green) toward the “-”.
When the upper looper thread lies on the underside of the
fabric;
-Turn the upper looper thread tension fine tuning lever (Green)
toward the “+”.
-Or, turn lower looper thread tension fine tuning lever (Blue)
toward the “-”.
How to Balance
1
Note:
If the tension needs to be increased gently move the tension
adjustment lever toward the “+” mark in increments indicated
by the smaller white dots on the colored fine tuning label on
front cover.
If the tension needs to be decreased gently move the tension
adjustment lever toward the “-” mark in increments indicated
by the smaller white dots on the colored fine tuning label on
front cover.
2
B
Summary of Contents for Diana BL480A
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