Brother S-7200C User Manual

 

 

S-7200C

 

119 

１０

-６. Quick reverse device 

1.  Turn the stitch length dial to the maximum setting.

 

2.  Remove the side plate.

 

3.  Tilt back the machine head.

 

4.  Turn the stitch length dial to the maximum setting.

 

5.  Loosen the two screws (1).

 

6.  With the reverse lever (3) lowered as far as it will go, push 

quick reverse solenoid (4) until the clearance between the 
surface of the quick reverse solenoid (4) and the groove in 
the plunger (5) is 3 mm.

 

7.  Tighten the screws (1).

 

 

* If the clearance mentioned above is larger than 3 mm, the 

operation of the quick reverse solenoid (4) will become stiff.

 

Furthermore, if the clearance is smaller than 3 mm, then 
impact noise will easily occur when the quick reverse 
solenoid (4) operates.

 

 

 
 
 
 
 
 
 
 
 

１０

-７. Matching the stitch lengths for forward feed and reverse feed 

This matches the stitch lengths for forward feed and reverse 
feed.

 

 

1.  Turn the stitch length dial to “3”.

 

2.  Sew at low speed (220 sti/min) in the forward and reverse 

feed directions. (11 stitches in each direction)

 

3.  If adjustment is necessary, carry out the following.

 

1) Tilt back the machine head.

 

2) Loosen the set screw (1).

 

3) Adjust by turning the eccentric pin (2) within a range 

of 90°. (If the eccentric pin (2) is turned more than 90°, 
the adjustment will be reversed.)

 

* If the stitch length is larger in the forward feed 

direction than in the reverse feed direction, turn 
the eccentric pin (2) in the clockwise direction.

 

* If the stitch length is smaller in the forward feed 

direction than in the reverse feed direction, turn 
the eccentric pin (2) in the counterclockwise 
direction.

 

4.  After adjusting, securely tighten the set screw (1).

 

 

 
 

 
 
 

 
 
 
 
 

4367M

4368M