Brother International MD-817 Service Manual - Page 47

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5 Is high-speed sewing possible? Yes Set the treadle to neutral. Depress the treadle backward. Is end backtacking possible? Yes Is the stitch count correct? Yes After completion of end backtacking, do the thread trimmer, thread wipe and needle (upper stop? Yes Set the treadle to neutral. Set the start and end backtacking switches (operation box) to OFF. Set the fixed-stitch sewing switch (operation box) to ON and set the desired stitch count. Set the high speed-adjustment control fully counterclockwise (minimum). Depress the treadle forward. # 23 # 24 # 25 # 26 Is low-speed fixed-stitch sewing possible? Yes Set the treadle to neutral. Depress the treadle backward. Set the thread-trim switch (operation box) to ON. Depress the treadle forward. Is fixed-stitch sewing and thread cutting possible? Yes Set the continuous backtacking (operation box) to ON and set the desired stitch count. Depress the treadle forward. Is continuous backtacking possible? Yes Is thread trimming possible? Yes Set the treadle to neutral. Set the correct'on switch (control box) to ON. Set all operation panel switches to OFF. - 43 - # 27 # 28 # 29 # 30

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5
Is
low
-speed
Is
high-speed
sewing
#
23
fixed
-stitch
sewing
#
27
possible?
possible?
Yes
Set
the
treadle
to
neutral.
Depress
the
treadle
backward.
Is
end
backtacking
possible?
Yes
#
24
Yes
Set
the
treadle
to
neutral.
Depress
the
treadle
backward.
Set
the
thread
-trim
switch
(opera-
tion
box)
to
ON.
Depress
the
treadle
forward.
Is
the
stitch
count
Is
fixed
sewing
and
thread
possible?
-stitch
#
28
#
25
cutting
correct?
Yes
Yes
Set
the
continuous
backtacking
After
completion
of
end
(operation
box)
to
ON
and
set
the
desired
stitch
count.
backtacking,
do
the
thread
trimmer,
#
26
thread
wipe
and
needle
(upper
stop?
Depress
the
treadle
forward.
Yes
Set
the
treadle
to
neutral.
Is
continuous
backtacking
#
29
possible?
Set
the
start
and
end
backtack-
ing
switches
(operation
box)
to
Yes
OFF.
Is
thread
trimming
#
30
Set
the
fixed
-stitch
sewing
switch
(operation
box)
to
ON
and
set
the
desired
stitch
count.
possible?
Yes
Set
the
high
speed
-adjustment
control
fully
counterclockwise
(minimum).
Set
the
treadle
to
neutral.
Depress
the
treadle
forward.
Set
the
correct'on
switch
(con-
trol
box)
to
ON.
Set
all
operation
panel
switches
to
OFF.
-
43
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