Instruction manual

EFKA AB221A/AB321A + AB222A/AB322A (BA)
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Mode 13 Lockstitch Machines with Thread Trimming System (Pfaff 1425, 1525)
- Thread trimmer is enabled after angular degrees (FAE) during angular degrees (iFA)
- Thread tension release (M2) from position 1 after delay (FSE) during ON period (FSA)
- Thread wiper (M3) after delay (dFw) during ON period (t6)
- Sewing foot lifting (see chapter "Sewing Foot Lifting")
- Backtacking (see chapter "Start Backtack" and "End Backtack")
- Signal “machine running”
- High lift for walking foot/flip-flop at limited speed after pressing the key
- Key for function “needle up” (input in1 / parameter 240=2)
- Key for function “intermediate backtack” (input in2 / parameter 241=16)
- Key for run to position 2 (input in3 / parameter 242=24)
- Key for speed limitation (n12) (input in4 / parameter 243=11)
- Key for flip-flop speed limitation (n11) (input in5 / parameter 244=22)
- Key for speed limitation (n9) (input in7 / parameter 246=33)
- Key for high lift for walking foot with speed limitation (n10) operational mode stored
(input in8 / parameter 247=14)
- Key for stitch regulator suppression /stitch regulator recall (input in9 / parameter 248=17)
- Key for speed limitation with external potentiometer (input i10 / parameter 249=25)
Mode 14 Lockstitch Machines (Juki 5550-6, 5550-7, 8500-7, 8700-7)
- Thread trimmer (M1) from trailing edge of slot position 1 to leading edge of slot position 2
- Thread trimmer (M4) from leading edge of slot position 1 to leading edge of slot position 2
- Thread wiper (M3) for a programmable time (t6)
- Thread puller (M2) after stop in position 2 after delay (kd2) during ON period (kt2)
- Sewing foot lifting (see chapter "Sewing Foot Lifting")
- Backtacking (see chapter "Start Backtack" and "End Backtack")
- Signal (M5) “machine running”
- Signal (M6) “machine at standstill”
- Positioning by Juki handwheel sensor on the control
Mode 15 Backlatch Machines (Pegasus SSC100)
- Chain blowing (M1) during stitch count (c4) at the start of the seam and during ON period (kt1) at the
seam end after tape cutting
- Chain suction (M2) during stitch count (c3) at the start of the seam and during ON period (kt1) at the
seam end after tape cutting
- Thread tension release (M3) On after stitch count (c1) and Off after light barrier uncovered and stitch count (c2)
- 1st tape cutting (M4) after light barrier uncovered and stitch counting (ckL) during ON period (kt4),
2nd tape cutting after delay (kd4) during ON period (kt4)
- Chain suction + blowing (VR) On at the end of the1st tape cutting after delay (kd2) and Off after the
start of the 2nd tape cutting with a time lapse (kt2)
- Sewing foot lifting (see chapter "Sewing Foot Lifting")
- Signal “machine running”
- High lift for walking foot operational mode stored (input in4 / parameter 243=14)
- Manual tape cutting (input in5 / parameter 244=15)
Mode 16 Overlock Machines (Feed-Off-The-Arm Machines) only with V820 and slide-in strip 7!
- Chain suction (VR) during stitch count (c1) at the start of the seam
- Thread tension release (M4) On at the seam end after light barrier uncovered and the compensating
stitches until pedal position 0 (neutral) after machine standstill
- Tape cutter (M3) if parameter 232=0 at the start of the seam after stitch count (c3) and at the seam end
after stitch count (c4) during ON period (kt3)
- Fast scissors if parameter 232=1 at the start of the seam after stitch count (c3) and at the seam end after
stitch count (c4) alternating with output (M3) during ON period (kt3) and output (M8) during ON
period (At1)
- Chain blowing in opposite direction (M1) at the seam end after delay (kd1) during ON period (kt1)
- Blow fabric onto stack (M7) On at the seam end after light barrier uncovered until machine standstill
with a time lapse (kt5)
- Signal (M2) at the seam end after delay (kd2) during ON period (kt2)
- Sewing foot lifting with pedal in position -1 or -2
- Signal “machine running”
Mode 17 Chainstitch Machines (Pegasus Stitch Lock)
- Thread trimmer (FA) after stop depending on angle after delay (kd2) during ON period (kt2)
- Stitch lock signal (STS) after intermediate stop in position 2 after delay (kd3) during ON period (kt3)
and after stop depending on angle
- Top cover thread cutter (LFA) after stop depending on angle and delay (kd2) during ON period (kt2)
- Time-delayed (kdF) sewing foot lifting after standstill in position 2 (see chapter "Sewing Foot Lifting")
- Signal “machine running”