Name: Pfaff 591
Brand: Pfaff
Rating: 4 (1 reviews)

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Various improvements have been made to the machines of the series 570 / 590; 1570 / 1590

with thread trimmer –900/81:

1. For a better sewing start after the thread has been trimmed, following parts were

modified or added as new parts:

● a thinner thread lubricating felt (6 mm thick) to reduce the primary thread tension,

Part-No. 91-165 384-05,

● a weaker spring for the primary thread tension to reduce the primary tension,

Part-No. 91-263 391-05

● a new bobbin case with reversing cam, Part No. 91-263 378-91

● a new needle holder for 2-needle machines,

Part No. 91-164 726-93/001 (diagonal needle gauge 2.4 mm)

Part No. 91-164 726-93/002 (diagonal needle gauge 2.8 mm)

Part No. 91-164 726-93/003 (diagonal needle gauge 3.2 mm)

2. Adjustment modification due to the new parts

(see Chapter "Adjustment")

3 . For a better error analysis a check list was developed for a simple correction of the

problems (see Chapter "Check List")

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Brand

Model

591

Pfaff 591 User Manual

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