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Pfaff 900/57 User Manual

Pfaff 900/57
24 pages
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-900/51
-900/57
Service Manual
for the series
480, 560 and 950
296-12-17 607
Justieranleitung dtsch. 06.95
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Pfaff 900/57 Specifications

General IconGeneral
BrandPfaff
Model900/57
CategorySewing Machine
LanguageEnglish

Summary

Safety

General notes on safety

Essential safety guidelines for machine operation and maintenance.

Safety symbols

Explanation of warning symbols used in the manual to indicate hazards.

Danger

Specific warnings about potential dangers during machine operation and adjustments.

Adjustment

Notes on the service manual

Guidance on interpreting and applying the instructions within the service manual.

Tools, gauges and other accessories

List of necessary tools and equipment for performing adjustments.

Abbreviations

Definitions for common abbreviations used in the manual.

Work symbols

Icons representing different types of work procedures like notes or servicing.

Pre-adjusting the control cam

Initial setup steps for the control cam mechanism.

Roller lever

Adjustment procedure for the roller lever mechanism.

Pawl

Adjusting the pawl for proper function in the trimming mechanism.

Engaging solenoid

Steps to adjust the engaging solenoid for correct operation.

Release lever

Procedure for adjusting the release lever.

Engaging lever

Adjustment of the engaging lever mechanism.

Lateral adjusting of the thread catcher

Aligning the thread catcher laterally for precise thread cutting.

Front reversal point of the thread catcher

Setting the correct front reversal point for the thread catcher.

Re-adjusting the control cam

Fine-tuning the control cam after initial setup.

Retaining spring

Adjusting the retaining spring for the thread trimming unit.

Knife to needle clearance

Setting the correct gap between the knife and the needle.

Manual trimming control

Adjusting the manual thread trimming process for accuracy.

Tension release of needle thread

Adjusting the needle thread tension release mechanism.

Positioner

Setting the machine's positioning mechanism during operation interruptions.

Mounting and dismounting the control unit

Instructions for installing and removing the control unit.

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