Pfaff expression 2034 Service Manual

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Specifications of the PFAFF expression 2034 - 2044
● Fully-electronic free-arm, utility and fancy stitch sewing machine
● 16 bit processor with 3 Kbyte RAM and 96 Kbyte ROM, 512 Byte EPROM
● Bobbin thread stitch width = 0 - 6 m with 30 full steps or 60 half steps
● Stitch length = 0 - 6 mm forwards and 0 - 6 mm backwards with a total of 30 full steps or 60 half steps
in each direction
● A full step is 0.2 mm and a half step 0.1 mm
● Keys for stitch width, stitch length, pattern length and balance
● 13 different needle positions
● Mirroring key
● Info key
● One 7.5° stepping motor for needle zigzag motion 30 V
(contact current switching controller)
● One 7.5° stepping motor for feed control 30 V
(contact current switching controller)
● 3-track synchronizer
● Electronically controlled take-up lever "up" (needle "up" positioning) of needle "down" position
with display
● Key with indicator for half speed (540 r.p.m)
● Key with indicator for tying off stitch patterns
● Key for reverse sewing or for finishing a manual buttonhole
● Digital motor control with 950 r.p.m max. speed
● Approx. 100 - 950 stitches per minute
● Several pattern-dependent reduced speeds in addition
● Numerical LCD, with graphics and a white background
● Built-in test program
● When machine is blocked, the motor is switched off automatically after 1 - 2 secs. (Followed by
approx. 4 secs. interruption before sewing process can be continued.)
● Machine: voltage change-over 115/230 V, 50 - 60 Hz
● Low-voltage motor
● High-ohm foot control (cold)
● FM radio and TV screened, approval marking; safety class II with CE, VL, CSA test markings
● Master switch for motor, electronics and sewing lamp
● Glare-free built-in sewing lamp 12 V / 5 W
● Needle threader
● Bobbin thread monitor with LED on expression 2044
● Buttonhole guide
● Pendulum-type needle bar frame
● Transmission of drive from arm shaft to lower shaft by flat toothed belt, transmission ratio 1:1
● Power input rating: 75 W when sewing at 950 r.p.m.
27 W when stationary
● Lockstitch of types 301, 302, 303, 304, 305, 308 and all other variants obtainable by sideways needle
movement or forwards and reverse control of the machine feed
● PFAFF horizontal double-rotating hook (9 mm hook on model 2044)
● Link take-up
● Bobbin thread monitoring on model 2044

Pfaff expression 2034 Specifications

General

Brand	Pfaff
Model	expression 2034
Category	Sewing Machine
Language	English