Pfaff 3701 Series Adjustment Manual

14 - 1
Circuit diagrams
14 Circuit diagrams
Circuit diagram reference list
A1 Controller Quick P40 ED
A2 Keyboard on machine head
A3 Sewing head recognition system
A4 Control panel S1
H1 Sewing lamp
M1 Sewing motor
Q1 Main switch
S1 Pedal speed control unit
A2/S1 Bartack key on
A2/S2 Needle position change key
A2/S3 Bartack suppression key
S4 Suction OFF key
S6 Start inhibitor key
X1 Motor
X2 Increment transmitter
X3 Speed control unit
X4 Control panel S1
X5 Outputs-inputs
X6 Photoelectric barrier (optional)
X7 Bobbin thread monitor (optional)
Y1 Motor running signal or suction
Y2 -900/.. Thread trimmer
Y3 -909/.. Thread wiper
Y4 -910/.. Automatic presser foot lift
Y5 -911.. Backtacking mechanism
Y8 Thread tension release

Pfaff 3701 Series Specifications

General

Brand	Pfaff
Model	3701 Series
Category	Sewing Machine
Language	English