UnionSpecial 39500 QA - User Manual

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MANUAL NO.

INS9207

STYLES

39500

39500 QB

39500 QP

39500

CQA

39500

CQB

39500

CRF

39500

SQB

39500

SRF

39500

CSRF

Finest Quality

ADJUSTING INSTRUCTIONS

P049-92

39500

CLASS

Main Page

Table of Contents4
Identification of Machines4
Torque Requirements4
Description of Machines5
Machine Styles5
Machine Styles (Cont.)6
Needles6
Description6
Feed Eccentrics6
Threading7
To Thread the Lower Looper7
To Thread Upper Looper (504 and 505 Stitch Only)7
504 Stitch8
503 Stitch9
505 Stitch10
To Thread the Needle11
Oiling11
Adjusting Instructions11
Centering the Throat Plate to the Feed Dogs11
Centering the Needle to the Throat Plate12
Setting the Needle Height12
Setting the Lower Looper12
Pre-Setting the Lower Knife13
SETTING the Upperlooper/Spreader13
Setting the Upper Looperspreader (Cont.)14
Setting the Rear Needle Guard14
Setting the Front Needle Guard14
Setting the Feed Dog Tilt15
Setting the Feed Dog Height15
Final Setting for the Lower Knife15
Setting the Upper Knife15
Setting the Upper Knife16
Presser Foot Alignment16
Setting the Presser Foot Lift16
Presser Foot Pressure16
Setting the Stitch Length17
Starting to Operate (503 and 504 Stitch)17
Needle Thread Control (503 and 504 Stitch)17
Lower Looper Thread Control (503 Stitch)17
Lower Looper Thread Control (504 Stitch)17
Lower Looper Thread Control (504 Stitch) (Cont.)18
Upper Looper Thread Control (504 Stitch)18
Positioning the Purl (504 Stitch)18
Thread Tensions (503 Stitch)18
Thread Tensions (504 Stitch)18
Starting to Operate (505 Stitch)18
Needle Thread Control (505 Stitch)18
Lower Looper Thread Control (505 Stitch)19
Upper Looper Thread Control (505 Stitch)19
Positioning the Square Edge (505 Stitch)19
Power Air-Klipp Chain Cutter Adjustments19
Setting Knife Cutting19
Setting Knife Pressure20
Setting Pressure Valves20
Removing the Crankshaft20
Removing the Crankshaft (Cont.)21
Notes22

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UnionSpecial 39500 QA Specifications

General

Brand	UnionSpecial
Model	39500 QA
Category	Sewing Machine
Language	English

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