Справочник Пользователя для Brother 436C

5. ADJUSTMENT 

 

５-２５. Adjusting the needle up stop position 

 
 

KE-430B, 430C series

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Feed mechanism operates. 

Material 

Feed mechanism stops 

2576Q 

3502Q

Loosen the screw (5) (at the U side on the pulley), and turn the pulley (1) so that the mark (2) on the pulley is 
inside the mark (4) of the belt cover (3). The pulley (1) will stop more slowly if the screw (5) is moved counter to 
the normal direction of rotation, and will stop more quickly if the screw (5) is moved in the normal direction of 
rotation. 
The standard position is when the needle bar is lowered approximately 5.5 mm from its highest position. 
Timing between the needle and the feed mechanism is adjusted so that the feed mechanism starts operating 
after the needle comes out of the material sewn, and stops before the needle penetrates the material. 
Note: 

• The screw (6) at the “D” mark is an adjusting screw for the needle down detection function and is adjusted 

to match the feed timing, so it should not be loosened. 

• The screw (7) is a screw for detecting the machine stop position, and should not be loosened. 

 

５-２６. Adjusting the tension of the upper shaft timing belt 

3576Q

1. Loosen the three bolts (1). 
2. Turn the bolt (3) in the tightening direction to 

adjust the position of the motor bracket (4) so 
that there is approximately 2.5–3.0 mm of 
deflection in the upper shaft timing belt (2) when 
the middle of the belt is pressed with a force of 
10 N. 

Approx. 2.5 - 3.0mm