Brother International MD-817 Service Manual - Page 32
Timing, chart, thread, trimmed
 |
View all Brother International MD-817 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 32 highlights
MKII and BAST Timing chart when the thread is trimmed Depressing treadle forward Depressing treadle backward Needle down position signal Needle up position signal Thread trimming solenoid Brake solenoid Wiper solenoid 40msec. T20 T21 Presser foot l ifter solenoid Motor Presser foot l ifter solenoid ( when the treadle is at neutral position ) T13 200Hz T10 T14 ( Al l signals are activated when they are in the low position. ) -28-
-
1 -
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
25
-
26
-
27 -
28 -
29 -
30 -
31 -
32 -
33 -
34 -
35 -
36 -
37 -
38
-
39
-
40
-
41
-
42
-
43
-
44
-
45
-
46
-
47
-
48
-
49
-
50
-
51
-
52
-
53
-
54
-
55
-
56
-
57
-
58
-
59
-
60
-
61
-
62
-
63
-
64
-
65
-
66
-
67
-
68
-
69
-
70
-
71
-
72
-
73
-
74
-
75
-
76
-
77
-
78
-
79
-
80
-
81
-
82
-
83
-
84
-
85
-
86
-
87
-
88
-
89
-
90
-
91
-
92
-
93
-
94
-
95
-
96
-
97
-
98
-
99
-
100
-
101
-
102
-
103
-
104
-
105
-
106
-
107
-
108
-
109
-
110
-
111
-
112
 |
 |
MKII
and
BAST
Timing
chart
when
the
thread
is
trimmed
Depressing
treadle
forward
Depressing
treadle
backward
Needle
down
position
signal
Needle
up
position
signal
Thread
trimming
solenoid
Brake
solenoid
40msec.
Wiper
solenoid
Presser
foot
l
ifter
solenoid
Motor
Presser
foot
l
ifter
solenoid
(
when
the
treadle
is
at
T20
T21
T13
200Hz
T10
neutral
position
)
T14
(
Al
l
signals
are
activated
when they
are
in
the
low
position.
)
—28—