Standard Setting Values - Brother S-7200B Service Manual

Single needle direct drive straight lock stitcher with thread trimmer
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11. TREADLE UNIT ASSEMBLY

11-2. Standard setting values

Specifications
Operation
Symbol
Function
No.
(diagram
Spring position setting
below)
Function
-
S0
Neutral point
Forward automatic presser
82
S1
lifter operating point
Low speed operation
83
S2
starting point
84
S3
Speed change starting point
Maximum speed reaching
85
S4
point
Maximum forward
-
S5
depression point
Back automatic presser
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
57
Treadle unit G
Does
not
control
presser lifter
No
forward/back
modulation
(Figure [a] on previous page)
Length
from
S0
(mm)
0
-
3
6
S5-1
14.5
-
5
8
Neutral
Forward depression
S-7200B
Treadle unit H
automatic
Controls automatic presser lifter
1st
step
Forward/back
modulation
(Figure [b] on previous page)
Length
from
Force (N)
(mm)
-
0
-
2 (NOTE 1)
10
5
-
7
-
S5-1
12
14.5
-
2 (NOTE 2)
22
5
28
8
1st
step
S0
Force (N)
-
10
25
-
-
32
14
35
43
1841M

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