Brother International MD-817 Service Manual - Page 48

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After depressing the treadle, return to neutral and stop the machine. Switch ON the actuator switch. Is one-stitch correction sewing possible? Yes Switch OFF the correction switch (control box). Depress the treadle backward. Switch ON the slow start switch (control box). Set the speed-adjustment control fully clockwise (maximum speed). Depress the treadle forward. Are the first two stitches at low speed, and those thereafter at high speed? Yes Set the treadle to neutral. Switch OFF the slow start switch (control box). Set the needle position switch (control box) to needle (upper). Completely depress the treadle forward, and then return it to neutral. # 31 Does the needle (upper) stop? Yes Set the needle position switch (control box) to needle (lower). Completely depress the treadle forward. Move the speed adjustment control from the minimum position to the maximum position. Does the speed change in accordance with the setting of the speedadjustment control? Yes Return the treadle to neutral. End # 32 - 44 - # 33 # 34

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After
depressing
the
treadle,
re-
turn
to
neutral
and
stop
the
machine.
Switch
ON
the
actuator
switch.
Is
one
-stitch
correction
sewing
possible?
Yes
Switch
OFF
the
correction
switch
(control
box).
Depress
the
treadle
backward.
Switch
ON
the
slow
start
switch
(control
box).
Set
the
speed
-adjustment
con-
trol
fully
clockwise
(maximum
speed).
Depress
the
treadle
forward.
Are
the
first
two
stitches
at
low
speed,
and
those
thereafter
at
high
speed?
Yes
#
31
Set
the
treadle
to
neutral.
Switch
OFF
the
slow
start
switch
(control
box).
Set
the
needle
position
switch
(control
box)
to
needle
(upper).
Completely
depress
the
treadle
for-
ward,
and
then
return
it
to
neutral.
#
32
Does
the
needle
(upper)
stop?
Yes
Set
the
needle
position
switch
(control
box)
to
needle
(lower).
Completely
depress
the
treadle
forward.
Move
the
speed
adjustment
con-
trol
from
the
minimum
position
to
the
maximum
position.
Does
the
speed
change
in
accordance
with
the
setting
of
the
speed
-
adjustment
control?
Yes
#
33
Return
the
treadle
to
neutral.
End
#
34
-
44
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