Arm Thread Guide R; Presser Foot Height - Brother S-7300A Service Manual

7. ADJUSTMENTS

7-2. Arm thread guide R

Becomes greater

7-3. Presser foot height

115
Becomes less
0914D
0915D
S-7300A
The standard position of arm thread guide R (1) is the
position where the screw (2) is in the center of the adjustable
range for arm thread guide R (1).
*
To adjust the position, loosen the screw (2) and then
move arm thread guide R (1).
When sewing heavy-weight material, move arm thread
・
guide R (1) to the left. (The thread take-up amount will
become greater.)
When sewing light-weight material, move arm thread
・
guide R (1) to the right. (The thread take-up amount
will become less.)
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 nut (3), and then turn the adjustment screw (4)
so that there is no pressure applied to the presser foot.
2.
Raise the presser foot (1) by using the lifting lever (2).
3.
Remove the rubber cap (5) from the face plate.
4.
Loosen the bolt (6) and then move the presser bar (7) up
or down until the presser foot (1) is at the standard height
of 6 mm.
5.
Tighten the bolt (6).
6.
Install the rubber cap (5).
7.
Adjust the presser foot pressure using the presser
adjusting screw (4), and then tighten the nut (3).