UnionSpecial 39500 QA Manuals

Manuals and User Guides for UnionSpecial 39500 QA. We have 1 UnionSpecial 39500 QA manual available for free PDF download: Adjusting Instructions

UnionSpecial 39500 QA Adjusting Instructions

UnionSpecial 39500 QA Adjusting Instructions (24 pages)

Brand: UnionSpecial | Category: Sewing Machine | Size: 0 MB

Table of Contents

Table of Contents
4
Identification of Machines
4
Torque Requirements
4
Description of Machines
5
Machine Styles
5
Machine Styles (Cont.)
6
Needles
6
Description
6
Feed Eccentrics
6
Threading
7
To Thread the Lower Looper
7
To Thread Upper Looper (504 and 505 Stitch Only)
7
504 Stitch
8
503 Stitch
9
505 Stitch
10
To Thread the Needle
11
Oiling
11
Adjusting Instructions
11
Centering the Throat Plate to the Feed Dogs
11
Centering the Needle to the Throat Plate
12
Setting the Needle Height
12
Setting the Lower Looper
12
Pre-Setting the Lower Knife
13
SETTING the Upperlooper/Spreader
13
Setting the Upper Looperspreader (Cont.)
14
Setting the Rear Needle Guard
14
Setting the Front Needle Guard
14
Setting the Feed Dog Tilt
15
Setting the Feed Dog Height
15
Final Setting for the Lower Knife
15
Setting the Upper Knife
15
Setting the Upper Knife
16
Presser Foot Alignment
16
Setting the Presser Foot Lift
16
Presser Foot Pressure
16
Setting the Stitch Length
17
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 Adjustments
19
Setting Knife Cutting
19
Setting Knife Pressure
20
Setting Pressure Valves
20
Removing the Crankshaft
20
Removing the Crankshaft (Cont.)
21
Notes
22

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