47
4) Adjusting the Speed for Ascension Ascent of Upper Feed Plate
A. Like the Fig. ⓐ, if you turn a handle ② on reducing valve ① of solenoid valve attached to the bottom of table
clocwise, the ascending speed of upper feed plate and support pressure during ascending will be increased, if you
turn it counterclockwise, they are reduced, so that you should adjust it to be proper speed and fix them with fixing
nut ③. (1.0~1.5kgf/㎠)
B. Like the Fig. ⓑ, if you turn a handle ⑤ of speed controller ④ clockwise, the descending speed of upper feed plate
will be reduced, if you turn it counterclockwise, the descending speed will be increased.
After adjusting it to be proper speed, fix it with fixing nut ⑥.
(Both left and right feed plate should have same speed.)
[ Fig. 69 ]
5) How to Use the Pedal Switch
A. Check the parameter, related to general sewing(function no.60), is set to “1”. If not, please set the parameter to 1.
(Refer to 7.29) change of parameter related to general sewing).
B. The pedal switch has two pedals, the right one ① moves the upper feed plate, the left one ② makes the sewing
machine start.
C. Application
ⓐ The right pedal① has two step switch, if you step on the first step, the upper feed plate descends to the
intermediate position. (If you step off the right pedal ①, the upper feed plate ascends to the initial position)
ⓑ When the right pedal①is fully stepped, the upper feed plate fully descends to the sewing machine. (If you fully
step on the right pedal① again, the upper feed plate ascends to the initial position).
ⓒ If you step on the left pedal ②, the machine starts sewing.
[ Fig. 70 ]
②① ②① ②①
Solenoid Valve
[ ⓐ ][ ⓑ ]
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