Singer 391A1 Sewing Machine Parts Manuals

Manuals and User Guides for Singer 391A1 Sewing Machine Parts. We have 1 Singer 391A1 Sewing Machine Parts manual available for free PDF download: Service Manual

Singer 391A1 Service Manual

Singer 391A1 Service Manual (33 pages)

Brand: Singer | Category: Sewing Machine | Size: 1 MB

Table of Contents

Contents
3
Description
4
Setting up
5
Installation of Machine on Base
5
Installation of Knee Lifter on Machine Base
5
Lubrication
6
Oil Reservoir
6
Oil Flow Window
6
Speed
7
Needles
7
To Set the Needle
7
Thread
7
To Thread the Machine
8
To Remove the Bobbin
8
Upper Threading
8
Removing Bobbin Case from Sewing Hook
8
To Wind the Bobbin
9
To Thread the Bobbin Case
9
To Replace the Bobbin Case
10
To Prepare for Sewing
10
To Start Sewing
10
To Remove the Work
10
Thread Tensions
11
Needle Thread Tension
11
Perfect Stitch
11
Needle Thread Tension too Tight
11
Bobbin Thread Tension
12
To Regulate Presser Foot Pressure
12
Hints for Perfect Operation
12
To Regulate the Length of Stitch
13
To Set the Needle Bar at the Correct Height
13
Preparation
13
To Set Check Spring Height
14
To Set Check Spring Tension
14
To Set the Presser Bar at the Correct Height
15
Checking Height of Presser Bar
15
Setting Presser Bar at Correct Height
15
To Time the Sewing Hook
16
To Set the Sewing Hook Sidewise in Relation to the Needle
17
To Time the Feed
19
To Set the Feed Dog at the Correct Height
19
Adjusting Height of Feed Dog
19
Instructions for Removal and Replacement of Principal Assemblies
20
To Remove the Sewing Hook
20
Replacing Oil Filter
20
To Replace Oil Filter
21
To Replace the Sewing Hook
21
To Remove and Replace the Hook Shaft
22
The Oil Pump
23
To Remove and Replace the Upright Arm Shaft
24
To Remove and Replace the Needle Bar
25
To Remove and Replace the Presser Bar
26
To Remove the Needle Thread Take-Up
26
To Replace the Needle Thread Take-Up
27
To Remove and Replace Arm Side Shield Wick, Needle Bar Wick
28
To Remove Oil Wick Holder
28
The Arm Shaft
29
Loosening the Feed Eccentric
29
To Install New Oil Wick Holder
30
Replacing Oil Wick Holder
30
Incorrect Installation
30
Replacing the Arm Shaft
31
Position of Needle Bar Crank, During Removal of Shaft
31

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