; PERFECT STITCHING  ; Tension of upper and lower threads should  - Page 18

Brother 681B-UG User Manual

2014 Dodge Charger SRT Owner Manual

Table of Contents

681b_UG_coverpage.pdf
9
681b_UG_pages11_21.pdf
2. Make sure to switch off the light and pull out supply plug when you replace the bulb in order to avoid electric hazards.
681b_UG_pages22_32.pdf
color as material used.
ADP99.tmp
M E M O.pdf
M E M O.pdf
background image

 

 
 

PERFECT STITCHING  

Tension of upper and lower threads should  
be equal, just sufficiently strong to lock 
both threads in material. 
Perfect stitching appears flat with no  
puckering of material.  

 
 
 
 
 

 

INCORRECT STITCH (A) 

When the upper thread lies on the surface 
of the material by pulling the lower thread 
up as shown. 
This is caused by tight tension on the upper  
thread or loose tension on the lower thread. 
To correct this, turn the upper thread tension 
dial to a lower number. 
If perfect stitching cannot be obtained by 
adjusting upper thread tension, adjust bobbin 
tension. 

 

 

INCORRECT STITCH (B) 

When the lower thread lies on the under 
surface of  the material by pulling upper 
thread down as shown. 
This is caused by loose tension on the upper 
thread or tight tension on the lower thread. 
To correct this, turn the upper thread tension 
dial to a higher number.  
If perfect stitching cannot be obtained by 
adjusting upper thread tension, adjust bobbin 
tension.  
NOTE: It is recommended that a test sample  
 

is made before starting to sew. 

 
 
 
 
 
 
 
 
 

-16- 

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