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Pfaff Industrial 3371-1/01 User Manual

Pfaff Industrial 3371-1/01
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SERVICE MANUAL
3371-1/..
296-12-18 982/002
Justieranleitung engl. 01.11
This service manual applies to machines
from serial number 2 780 933 and software
version 0335/022 onwards
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Pfaff Industrial 3371-1/01 Specifications

General IconGeneral
TypeLockstitch Sewing Machine
Power Requirements220-240 V, 50/60 Hz
Motor Power550 W
Stitch Length6 mm
Stitch TypeLockstitch

Summary

Machine Adjustment Procedures

Notes on Adjustment

General notes and guidelines for performing machine adjustments, including safety precautions.

Tools and Accessories for Adjustment

List of necessary tools, gauges, and accessories required for accurate machine adjustments.

Abbreviations and Symbols

Explanation of common abbreviations and symbols used throughout the adjustment manual.

Machine Basic Position Setup

Setting the correct initial position of the sewing machine for operation.

Work Clamp Zero Point Alignment

Aligning the zero point of the work clamp drive unit for accurate positioning.

Work Clamp Alignment in X/Y Direction

Adjusting the work clamp in X and Y directions to avoid needle collision during sewing.

Hook Driver Adjustment

Adjusting the hook driver for proper machine operation and to prevent binding.

Needle Height Adjustment

Adjusting the needle bar to the specified height relative to the needle bar bush.

Hook-to-Needle Clearance

Setting the clearance between the hook and the needle at specific points.

Needle Rise and Guard Adjustment

Centering the hook point to the needle and adjusting the needle guard contact.

Hook Race Cover Alignment

Centering the needle to the cutout and aligning the hook race cover.

Work Clamp Height Adjustment

Setting the correct height and parallelism of the work clamp relative to the needle plate.

Thread Wiper Position

Positioning the thread wiper correctly relative to the needle plate.

Control Cam Position

Adjusting the position of the control cam relative to the arm shaft and machine case.

Control Roller Position

Centering the control roller to the running path of the control cam.

Thread Trimmer Drive Shaft Alignment

Setting the thread trimmer drive shaft flush with the machine case edge.

Stop Plate Alignment

Setting the clearance between the thread trimmer lever and the stop plate.

Trimmer Solenoid Adjustment

Positioning the trimmer solenoid at the specified distance from the machine case.

Engaging Lever Adjustment

Setting the distance of the engaging lever pin from the release trip.

Thread Catcher and Knife Position

Positioning the thread catcher and knife blade relative to the needle hole and plate.

Release Trip Position

Ensuring the slots of the release trip touch the screws on the right side.

Release Catch Position

Setting the distance between the drive lever and pin when the release catch is engaged.

Needle Thread Tension Release

Setting the needle thread tension release distance after thread trimming.

Thread Check Spring and Regulator

Adjusting the thread check spring stroke and thread regulator position.

Bobbin Winder Drive Wheel Setup

Adjusting the bobbin winder drive wheel distance and engagement.

Work Clamp Initiator Calibration

Calibrating the work clamp initiator for correct detection of clamp position.

Work Clamp Replacement

Steps for changing the work clamp and adjusting sewing area size.

Machine Cold Start Reset

Performing a cold start reset to revert machine settings to factory defaults.

Machine Software Update

Procedure for updating the machine software via the internet.

Parameter List and Settings

Detailed list of machine parameters, their descriptions, and setting ranges.

Display Error Messages

Explanations for various error codes displayed on the control panel.

Sewing Motor Errors

Details on common errors related to the sewing motor operation.

OTE Errors

Details on errors related to the OTE (Sewing head recognition unit).

Sewing Machine Circuit Diagrams

Circuit Diagram Component Reference

Reference list for components and connections used in the circuit diagrams.

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