15. Short thread trimmer (KFA-573)
Can only be used with Efka sewing drive DC1600 DA82GA.
–
Check EPROM version
For the present kit is the use of the EPROM from Version 3312 “F” to “J”
or from 3316 “A” required.
EPROM query Parameter 179
15.1 Parameter settings
See parameter sheet 9800 130014 PB53.
Parameter 136 on 2
Parameter 154 on 7
Parameter 171 2nd position (rising edge “496")
2A position (falling edge ”034")
Parameter 180 Number of reverse steps 114
Parameter 181 Switch-on delay for reverse rotation on 10
Parameter 182 Reverse rotation on ON
Parameter 190 Switch-on angle of the thread trimmer on 340
Parameter 192 Switching point of the thread tension on 310
15.2 Mechanical adjustment of the short thread trimmer
15.2.1 Adjusting the cutting position
Standard checking
The adjustment of the c utting position has to be done as described
hereafter.
1. Loosen all clampings on the axle of the thread pulling knife-
support 2.
–
Screw on gauge X (part no. 0767 290030) and press the axle of the
thread pulling knife support 2 against the gauge X from below.
–
Tighten the two adjusting rings 1 on the axle of the thread pulling
knife support 2.
Attention: Adjustment must be free of clearance!
Note:
The adjusting rings fix the height of the thread pulling knife. The
thread pulling knife support 2 must, however, be easily movable.
–
The remaining clampings on the axle of the thread pulling knife
support 2 are tightened later.
–
Screw the gauge X off again.
64
X
1
2
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