Specifications - Pfaff 939 U Instruction Manual

Specifications

3 Specifications
Stitch type: ........................................................................................ 304 (zigzag lockstitch)
Needle system
PFAFF 939 U / PFAFF 3704-2/03: .................................................................................. 438
PFAFF 3704-2/02: ..................................................................................................... 134 EL
Needle size in 1/100 mm:
Model B: ................................................................................................................. 80 - 100
Presser foot clearance: .............................................................................................. 7 mm
Clearance width: .................................................................................................... 260 mm
Clearance height: ................................................................................................... 130 mm
Bedplate dimensions: ................................................................................... 476 x 177 mm
Sewing head dimensions:
Length: ..............................................................................................................ca. 550 mm
Width: ...............................................................................................................ca. 180 mm
Height (above table): .........................................................................................ca. 300 mm
Max. stitch length: ...................................................................................................... N24*
Max. speed
PFAFF 939 U: .................................................................................................... 4500 spm
PFAFF 3704-2/..: ................................................................................................ 5500 spm
Max. stitch with ...................................................................................................... 6,0 mm
Connection data (for Quick motors)
Operating voltage: ...........................................................................230 V ± 10%, 50/60 Hz
Max. power ............................................................................................................. 1,2 kVA
Fuse protection: ............................................................................................ 1 x 16 A, inert
Noise data:
Noise emission level at workplace with a sewing speed of 3600 spm: ..... L
(Noise measurement in accordance with DIN 45 635-48-A-1, ISO 11204, ISO 3744, ISO 4871)
Working air pressure: .................................................................................................. 6 bar
Air consumption ............................................................................................ ca. 1 N1/cycle
Net weight of sewing head: .................................................................................. ca. 48 kg
Gross weight of sewing head: .............................................................................. ca. 56 kg
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* = 2.5 mm feed stroke of the rear and 4.5 mm of the front feed dog
3 - 1
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Subject to alterations
The maximum speed depends on the material, operation and stitch length.
K = 2,5 dB
pA
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< 80 dB(A)
pA