SINGER 251-22 Manuals

Manuals and User Guides for SINGER 251-22. We have 1 SINGER 251-22 manual available for free PDF download: Service Instructions Manual

SINGER 251-22 Service Instructions Manual

SINGER 251-22 Service Instructions Manual (19 pages)

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

Table of Contents

Servicing Instructions
2
Description
2
Characteristics
2
Speed
3
Installation
4
Installation of Knee Lifter on Machine Base
4
Installation of Machine on Base
4
Adjustment of Oil Wicks
5
Adjustment of Hook Oil Flow Regulator
5
Hook Lubrication Test and Adjustment
5
Oil Flow Regulator in Hook Shaft Bushing
5
Needles
6
Selection of Needles
6
Threading
7
To Avoid Thread Breakage
7
Preliminary Inspection
7
Positioning the Needle
7
Preparation
8
Height Setting
8
Setting the Timing Indicator Pin
8
Timing
8
To Time the Sewing Hook
9
To Set Clearance between Needle and Point of Hook
9
Timing the Hook
9
Function of Bobbin Case Holder Needle Guard
11
To String the Needle Guard
12
Stringing the Needle Guard
12
To Set Check Spring
13
Tension Setting
13
Tension Variations
13
Feed Eccentric Stop Screw
14
Stitch Regulator Plunger
14
To Set the Feed Dog at the Correct Height
15
Feed Dog at Correct Height
15
Sidewise Setting
16
Lengthwise Setting
16
To Set the Presser Bar at the Correct Height
17
Checking Height of Presser Bar
17
Pressure Adjustment of Presser Bar
18

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