32
30) Adjusting of Up/Down Position and Operating Range
1) Turn the pulley until the upper feed dog is in the highest
position.
Remove the upper cap
①
.
2) Loosen the bar lifter®È and set the upper feed adjustment
lever on the scale 2.
Then tighten the bar lifter
③
.
3) To adjust the up/down position,
3-1) loosen the screw
④
. Put the screw
④
in the center of the
upper feed dog.
Then tighten the screw
④
.
3-2) turn the pulley until the upper feed dog is in the lowest
position.
3-3) loosen the screw
⑤
. Set the gap between the upper feed dog
and the differential feed dog to 0.2mm by moving the upper
feed dog.
3-4) Tighten the bar lifter
③
.
4) To adjust up/down operating range of the upper feed dog
4-1) loosen the screw
⑥
. To set the operating range(a) of the
upper feed dog by the link
⑦
as required, turn the pulley
until the upper feed dog is in the highest position and
measure the height of the upper feed dog.
4-2) Tighten the screw
⑥
.
Table 7)
Model
Height of the upper feed dog(a)
SCT9214-03/333
4.5
SCT9316-03/233
3.5
SCT9316-A04/435K
5.5
[Figure 63]
[Figure 62]
[Figure 59]
[Figure 60]
[Figure 61]
Central line
Reading(2)
Top feed dog
Top feed dog track
Upper feed dog
Differential feed dog
①
③
④
⑧
⑤
⑥
⑦
