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Sewing Machine
3701 Series
Pfaff 3701 Series User Manual
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Adjustment
11 - 38
11
.09
Adjusting the automatic presser foot lift -910/06
Requirement
When the automatic presser foot lift is operated, the clearance between the presser foot
and the needle plate must be
9 mm
9 mm
9 mm
9 mm
9
m
m for a small needle bar stroke and
13 mm
13 mm
13 mm
13 mm
1
3
m
m for a large
needle bar stroke.
●
Move magnet
1
(screw
2
) according to the
requirement.
Fig. 11 - 37
2
1
9 or 13 mm
69
71
Table of Contents
Instruction Manual
1
Table of Contents
3
Contents
4
Safety
6
Directives
6
General Notes on Safety
6
Safety Symbols
7
Important Points for the User
7
Operating and Specialist Personnel
8
Operating Personnel
8
Specialist Personnel
8
Danger
9
Proper Use
10
Specifications
11
Pfaff 1051, Pfaff 1053, Pfaff 1181, Pfaff1183
11
Disposal of the Machine
13
Transport, Packaging and Storage
14
Transport to the Customer
14
Transport Within the Customer's Premises
14
Disposal of the Packaging
14
Storage
14
Explanation of the Symbols
15
Controls
16
On/Off Switch
16
Keys on the Machine Head
16
Pedal
17
Lever for Lifting the Presser Foot
17
Feed Regulator Disk
18
Reverse Feed Lever
18
Knee Lever
19
Thread Trimmer -731/01
19
Switch for Thread Wiper -909/04
20
Mounting and Commissioning the Machine
21
Mounting
21
Adjusting the Table-Top Height
21
Adjusting the V-Belt Tension
22
Mounting the Upper V-Belt Guard
22
Mounting the Lower V-Belt Guard
23
Mounting the Spool Holder
23
Start Inhibitor (Only for Machines with Integrated Sewing Motor)
24
Switching the Machine On/Off
25
Connecting the Plug Connections and Earth Cable
25
Commissioning the Machine
25
Table Top Cutout
26
Preparation
27
Inserting the Needle
27
Winding the Bobbin Thread/ Adjusting the Thread Tension
28
Removing/Inserting the Bobbin Case
29
Inserting the Bobbin Case / Adjusting the Bobbin Thread Tension
29
Threading the Needle Thread / Adjusting the Needle Thread Tension
30
Care and Maintenance
31
Cleaning the Machine
31
Topping up the Oil Tank (Only on PFAFF 1181 and PFAFF 1183)
32
Adjustment
33
Notes on Adjusting
33
Tools, Gauges and Other Accessories for Adjusting
33
Abbreviations
33
Checking and Adjusting Aids
34
Adjusting the Basic Machine
35
Basic Position of the Machine Drive
35
Preadjusting the Needle Height
36
Bottom Feed Neutral Position
37
Neutral Position of the Needle Feed (Only on PFAFF 1051 and 1181)
38
Bottom Feed Lifting Motion
39
Bottom Feed Dog Height
40
Feed Dog Motion of Bottom Feed Dog
41
Feeding Motion of Needle Feed (Only on PFAFF 1051 and 1181)
42
Needle in Needle Hole Center (Only on PFAFF 1053 and 1183)
43
Needle to Needle Hole Centre (on PFAFF 1051 and PFAFF 1181)
44
Synchronous Strokes of Needle- and Drop Feed (Only on PFAFF 1051 and PFAFF 1181)
45
Hook Shaft Bearing and Backlash
46
Hook Lubrication (Only for PFAFF 1181 and 1183)
47
Needle Rise, Hook-To-Needle Clearance, Needle Height and Bobbin Case Position Finger
48
Thread Check Spring and Slack Thread Regulator
49
Position of Knee Lever
50
Knee Lever Stop
51
Bobbin Winder
52
Limiting the Stitch Length
53
Presser Foot Pressure
54
Modifying the Needle Bar Stroke
55
Adjusting the Edge Trimmer -731/01
56
Zero Position of the Knife
56
Cutting Motion
57
Knife Height
58
Knife Position in Sewing Direction
59
Knife Position Crosswise to Sewing Direction
60
Adjusting the Thread Trimmers -900/24
61
Magnet Setting
61
Lateral Alignment of the Thread Catcher
62
Knife Position
63
Front Point of Reversal of the Thread Catcher
64
Manual Trimming Check
65
Thread Tension Release
66
Readjusting the Control Cam
67
Adjusting the Thread Wiper -909/04
68
Thread Wiper Movement
68
Thread Wiper Position
69
Adjusting the Automatic Presser Foot Lift -910/06
70
Adjusting the Backtacking Mechanism -911/37
71
Wearing Parts
72
Other manuals for Pfaff 3701 Series
Adjustment Manual
54 pages
Manual
6 pages
Supplement To The Instruction Manual
32 pages
4
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Pfaff 3701 Series Specifications
General
Brand
Pfaff
Model
3701 Series
Category
Sewing Machine
Language
English
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