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Sewing Machine
3801-3/07
Pfaff 3801-3/07 User Manual
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Adjustment
13 - 15
3
4
1
Fig. 13 - 12
1
3
4
54-059
2
13
.05.12
Feeding motion of the top feed dog
Requirement
When the maximum stitch length is set, and the needle bar is positioned 0.8 mm before
t.d.c. (hole 4), lever
4
should not move when lever
2
is operated.
●
Loosen both screws
1
.
●
While continuously moving lever
2
up and down, adjust eccentric
3
, so that the slot is
pointing towards the operator and lever
4
does not move.
●
Tighten screws
1
.
77
79
Table of Contents
Table of Contents
3
Contents
4
Directives
7
General Notes on Safety
7
Safety
7
Important Points for the User
8
Safety Symbols
8
Operating and Specialist Personnel
9
Operating Personnel
9
Specialist Personnel
9
Danger
10
Proper Use
11
Specifications
12
Disposal of Machines
13
Disposal of the Packaging
14
Storage
14
Transport to the Customer's Premises
14
Transport Within the Customer's Premises
14
Transport, Packaging and Storage
14
Explanation of the Symbols
15
Controls
16
Main Switch
16
Pedal
16
Knee Switch
17
Lever for Lifting the Presser Foot
17
Edge Guide
18
Lever for Retracting the Tape-Feeding Unit (Only on the PFAFF 3801-11/071)
18
Reverse-Feed Control Lever
19
Control Panel
20
Adjusting the Table-Top Height
21
Mounting
21
Mounting and Commissioning the Machine
21
Fitting the Upper Belt Guard
22
Tightening the V-Belt
22
Fitting the Synchronizer
23
Mounting the Bottom V-Belt Guard
23
Connecting the Plug-In Connections and Earth Cables
24
Fitting the Reel Stand
25
Commissioning
26
Switching the Machine On/Off
26
Inserting the Needle
27
Preparation
27
Threading the Needle Thread and Regulating Its Tension
28
Threading the Looper Thread and Regulating Its Tension
29
Threading the Bridle Tape (on the PFAFF 3801-11/071)
30
Setting the Seam Depth
31
Threading the Bridle Tape (on Thepfaff 3801-3/07 and -3/071)
32
Inputting Fullness
33
Selecting the Program Number
33
Entering / Altering the Code Number
34
Entering the Seam Parameter
36
Adjusting the Control Panel
38
Manual Sewing
39
Sewing
39
Sewing with Fixed Programs
41
Programmed Sewing
43
Fullness Adjustment
44
Program Interruption
45
Selecting the Garment Size
45
Error Messages
46
Input
47
Seam Program Input
48
Seam Program Input with the "Creating/Adjusting a Program" Function
50
Seam Program Input with the "Teach-In" Function
52
Creating/Adjusting a Program" Function
54
Example of a Seam Program Input Using the
54
Examples of How to Create Seam Programs
54
Example of a Seam Program Input Using the "Teach-In" Function
56
Seam Program Administration
59
Care and Maintenance
61
Cleaning
61
Cleaning/Lubricating the Top Feed Joints
62
Machine Oil Level
62
Checking/Adjusting the Air Pressure
63
Cleaning the Air Filter of the Air-Filter/Lubricator
63
Abbreviations
64
Adjustment
64
Notes on Adjustment
64
Tools, Gauges and Other Accessories for Adjusting
64
Checking and Adjusting Aids
65
Adjusting the Basic Machine
66
Basic Position of the Machine
66
Position of Needle to Needle Hole
67
Pre-Adjusting the Needle Height
68
Neutral Position of the Main Feed Dog
69
Zero Position of the Differential Feed Dog
70
Feeding Motion of Main- and Differential Feed Dogs
71
Lifting Motion of Main- and Differential Feed Dogs
72
Position of Main- and Differential Feed Dogs
73
Zero Position of Feeding Presser
74
Front Driving Link of Feeding-Presser Drive
75
Positioning the Lifting Presser
76
Feeding Motion of the Top Feed Dog
78
Lift of Feeding Presser
79
Lifting Stroke of Feeding Presser
80
Stitch Length Limitation
81
Basic Setting of the Differential Adjustment Device
82
Looper Avoiding Motion
83
Looper Height and Looper Angle (for the 3801-3/07)
84
Looper Height and Looper Angle (for the 3801-3/071 and -11/071)
85
Distance of the Looper from the Needle (in Sewing Direction)
86
Looper-To-Needle Clearance (Crosswise to Sewing Direction)
87
Looper Motion
88
Final Adjustment of the Needle Height
89
Height of Rear Needle Guard
90
Clearance between the Rear Needle Guard and the Needle
91
The Looper-Eccentric Guard
92
Position of the Front Needle Guard
93
Needle Thread Puller
94
Basic Setting of the Needle Thread Regulator and the Thread Guide
95
Looper Thread Regulators
96
Looper Thread Puller
97
Top Feed and Presser Foot Pressure
98
Adjusting the Thread Trimmer
99
Only on the PFAFF 3801-3/071 and -11/071
99
Preadjusting the Thread Catcher
99
Ball Pin Position
100
Thread Catcher Position with Respect to Needle
101
Thread Catcher Guard
102
Tension Release
103
Trimmer Test
104
Adjusting the Knife
105
Adjusting the Tape Feeding Device
105
Setting the Evaluation Function of the Photoelectric Beam
106
Adjusting the Air Jets
107
Fastening the Light Guides
108
Overview of the Parameter Functions
109
Parameter Settings
109
Example of a Parameter Input
110
List of Parameters
111
Sewing Motor Errors
113
Explanation of the Error Messages
114
Table of Inputs
115
Table of Outputs
115
Service Menu
116
Carry out a Cold Start
117
Internet Update of the Machine Software
118
Wearing Parts
119
Circuit Diagrams
121
4
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Pfaff 3801-3/07 Specifications
General
Brand
Pfaff
Model
3801-3/07
Category
Sewing Machine
Language
English
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