Standard Setting Values - Brother S-7200A Service Manual

10-2. Standard setting values

Specification
Operation
Symbol
Function
No.
(diagram
Spring position setting
below)
Function
- S0
Neutral point
Forward automatic presser
82 S1
lifter operating point
Low
83 S2
starting point
84 S3 Speed change starting point
Maximum speed reaching
85 S4
point
Maximum
- S5
depression point
Back
81 S6
lifter operating point
Thread trimmer operating
80 S7
point
Maximum back depression
- S8
point
(NOTE 1) Setting is enabled when DIP switch 1 is set to ON and Function No. 13 is set to "1".
(NOTE 2) Setting is enabled when Function No. 12 is set to "0".
・ When the connecting rod installation position is on the inside, the measurement value is the amount of movement of the
treadle from the neutral position to the forward position and to the backward position.
・ For treadle unit -H, the point of change (F) in the forward depression force is between S1 and S2, and the point of change
(R) in the backward depression force is between S6 and S7.
Speed
Backward depression
Treadle unit G
Does
presser lifter
No
modulation
(Figure [a] on previous page)
Length
(mm)
speed operation
forward
automatic presser
Neutral
not control automatic
forward/back 1st
from S0
Force (N)
0 -
- -
3 10
6 -
S5-1 -
14.5 12
- -
5 22
8 28
Forward depression
S-7200A
10. TREADLE UNIT ASSEMBLY
Treadle unit H
Controls automatic presser lifter
step Forward/back
modulation
(Figure [b] on previous page)
Length from S0
(mm)
0
2 (NOTE 1)
5
7
S5-1
14.5
2 (NOTE 2)
5
8
1st step
Force (N)
-
10
25
-
-
32
14
35
43
1841M
48