Brother Z-8550A Manuale Proprietario

Pagina di 128
 
 
Z-8550A, 8560A 
9. ADJUSTMENTS
70
 
9-4. Presser foot height 
The standard height of the presser foot (1) is 6 mm when 
the presser foot (1) is raised by means of the lifting lever (2). 
1. Loosen the two screws (3) and then remove the thread 
take-up guard (4). 
2.  Loosen the nut (5) of the presser adjusting screw (6), and 
then turn the presser adjusting screw (6) so that there is 
no pressure applied to the presser foot. 
3.  Raise the presser foot (1) by using the lifting lever (2). 
4. Loosen the screw (7) and move the presser bar (8) up 
and down to adjust the height of the presser foot (1) to 6 
mm. 
5.  Tighten the screw (7). 
6. Adjust the presser foot pressure using the presser 
adjusting screw (6), and then tighten the nut (5). 
7. Install the thread take-up guard (4) with the two screws 
(3). 
 
 
 
 
 
 
 
 
 
9-5. Feed dog height 
The standard height of the feed dog (1) when it is raised as 
far as possible above the surface of the needle plate is as 
given below. 
<8550A> 1 
mm 
<8560A> 
At the front 
1.1 mm 
 
At the back 
0.9 mm 
 
 
 
 
1. Turn the machine pulley to move the feed dog (1) to its 
highest position above the needle plate. 
2.  Tilt back the machine head. 
3.  Loosen the screw (2). 
4. Turn the pin (3) to move the feed bar (4) up and down in 
order to adjust the height. 
5.  Tighten the screw (2). 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Highest position 
Lowest position
3803M
3516M
3804M
<8550A> 
<8560A>