Singer Centurion 121D Manuals

Manuals and User Guides for Singer Centurion 121D. We have 2 Singer Centurion 121D manuals available for free PDF download: Service Manual

Singer Centurion 121D Service Manual

Singer Centurion 121D Service Manual (49 pages)

Brand: Singer | Category: Sewing Machine | Size: 2 MB

Table of Contents

Lubrication
3
To Test Hook Lubrication
4
Machine Threading
6
Stitch Length
7
Preventing Unauthorized Changes in Stitch Length
7
Adjustable Stitch Length Stop
7
Presser Foot Pressure
8
Hook Timing
9
Timing Feed Lifting Shaft to Arm Shaft
11
Feed Dog Setting
12
To Adjust Feed Dog Height at .043 Inch
14
To Adjust Feed Dog Height at .032 Inch
14
Check Spring Setting
16
Tension Release
17
Presser Bar and Foot Setting
17
Setting Heedle Bar Frame Timing Indicator
18
Setting Needle Bar Height
18
Bobbin Winder Drive Wheel Adjustment
19
Bobbin Winder Driven Wheel Adjustment
19
To Adjust Bobbin Winder
20
Disassembly Sequence
21
Presser Bar
21
Needle Bar Frame and Take-Up Mechanism
22
Tension Release Mechanism
24
Arm Shaft
24
Feed Lifting Shaft
25
Feed Rock Shaft
26
Feed Reversing Mechanism
27
Feed Reversing Lever Mechanism
28
Knee Lift Mechanism
29
Hook Shaft and Bushing
30
Assembly Sequence
31
Feed Reverse Drive Assembly
32
Hook Shaft and Hook Shaft Bushing
35
Presser Bar Assembly
40
Needle Bar Frame Driving Linkage Adjustments
42

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Singer Centurion 121D Service Manual

Singer Centurion 121D Service Manual (48 pages)

Brand: Singer | Category: Sewing Machine | Size: 2 MB

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