Specifications - Pfaff expression 2014 Service Manual

Specifications of the PFAFF expression 2014 - 2024
Electronic free-arm, utility and fancy stitch sewing machine
8 bit processor with 1 Kbyte RAM and 32 Kbyte ROM
Bobbin thread stitch width = 0 - 6 mm with 30 full steps
Stitch length = 0 to 6 mm forwards and 0 to 6 mm reverse 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
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)
2-track synchronizer
Electronically controlled needle "up" positioning
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 stitch-length-dependent reduced speeds in addition
Numerical LCD
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
Built-in sewing lamp 12 V/5 W
Needle threader
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:
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
Link take-up
Slide lever feed regulator for forwards and reverse stitch lengths
Dual fabric feed on expression 2024
Disengageable feed dog
Drive from motor to handwheel by flat-toothed belt.
Calotte metal bearings
Oil for calotte metal bearings: BP Energol HLP 46 or HLP 80 No. 28-036550-09
Oil for sewing hook: No. 91-129452-91
75 W when sewing at 950 r.p.m.
27 W when stationary
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