Short Thread Trimmer (Kfa-373); Parameter Settings; Mechanical Setting Of The Short Thread Trimmer - DURKOPP ADLER 767 Service Instructions Manual

14. Short thread trimmer (KFA - 373)

14.1 Parameter settings

14.2 Mechanical setting of the short thread trimmer

14.2.1 Setting the cutting position
15
56
Only possible with the Efka Sewing drive DC1600 DA82GA.
–
Check the EPROM version
For the present kit is the use of the EPROM from Version 3312 "F" to "J"
or from 3316 "A" required.
EPROM check Parameter 179
Parameter 136
Parameter 154
Parameter 171
Parameter 180
Parameter 181
Parameter 182
Parameter 190
Parameter 192
22 12 2
Standard checking
Check whether the lower surface of the thread-pulling knife 12 rests
upon the curved guide 15.The thread-pulling knife 12 must be flush with
the rounded edge of the holder 2 (see picture).
When moving the thread pulling knife a light counter-pressure must be
noticeable. The magnet must still be able to lead the thread-pulling
knife 12 surely into the initial position.
Correction
Carry out the setting of the cutting position according to the following
sequences.
1. Loosen all the clamping on the axis of the holder 2.
–
Screw on the gauge X (Part No. 0767 290030) and shift the axle of
the holder 2 to press against the gauge on the bottom.
(See picture).
to 2
to 7
Position 2 (leading edge "496")
Position 2A (trailing edge "034")
Number of reversion increments 114
Activation delay of reversion 10
Reversion "ON"
Activation angle of the thread trimmer 340
Activation angle of thread tension release 310
X