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DURKOPP ADLER
Sewing Machine
827
DURKOPP ADLER 827 Service Instructions
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Working basis
16
Service Instructions 827/827-M - 01.0 - 05/2019
3.3.3
Disassembling and assembling the
head cover
Fig. 3: Disassembling and asse
mbling the head cover
Disassembling the head cover
To disassemble the head cover:
1.
Loosen the screws
(1).
2.
Disassemble the head cover
(2).
Assembling the head cover
To assemble the head cover:
1.
Assemble the head cover
(2).
2.
Tighten the screws
(1).
(1)
- Screws
(2)
- Head cover
①
②
17
19
Table of Contents
Default Chapter
3
Table of Contents
3
1 About These Instructions
7
For Whom Are These Instructions Intended
7
Representation Conventions - Symbols and Characters
7
Other Documents
9
Liability
9
2 Safety
11
Basic Safety Instructions
11
Signal Words and Symbols Used in Warnings
12
3 Working Basis
15
Order of the Adjustments
15
Laying the Cables
15
Removing the Covers
16
Access to the Underside of the Machine
16
Disassembling and Assembling the Arm Cover
17
Disassembling and Assembling the Head Cover
18
Disassembling and Assembling the Valve Cover
19
Opening and Closing the Throat Plate Slide
20
Disassembling and Assembling the Throat Plate
21
Disassembling and Assembling the Feed Dog
22
Flats on Shafts
23
Locking the Machine in Place
24
Adjusting the Handwheel into Position
25
4 Adjusting the Handwheel Scale
27
5 Positioning the Arm Shaft
28
6 Positioning the Toothed Belt Wheels
29
Positioning the Upper Toothed Belt Wheel
29
Positioning the Lower Toothed Belt Wheel
30
7 Stitch Length Adjusting Wheel
32
Adjusting the Stitch Length Adjusting Wheel
32
Adjusting the Stitch Length Limit
34
Adjusting the Eccentric for the Forward and Backward Stitches
35
Stitch Length [MM]
35
8 Needle Bar Linkage
37
Aligning the Needle Bar Linkage Sideways
37
Aligning the Needle Bar Linkage in the Sewing Direction
39
9 Adjusting the Feed Dog
40
Adjusting the Feed Dog Position
40
Moving the Feed Dog on the Feed Dog Carrier
40
Moving the Feed Dog Carrier
41
Adjusting the Feed Dog Movement
42
Adjusting the Feed Movement
42
Adjusting the Feed Dog Height at Top Dead Center
43
Adjusting the Stroke Movement
44
Adjusting the Compensating Weight
45
10 Position of the Hook and Needle
46
Adjusting the Looping Stroke Position
46
Adjusting the Hook Side Clearance
48
Adjusting the Needle Bar Height
49
Adjusting the Needle Guard
50
11 Bobbin Case Lifter
52
Adjusting the Lifting Gap
53
Adjusting the Timing for Opening
54
Adjusting the Sewing Foot Lifting Height
55
12 Needle Thread Tension
56
13 Winder
57
Adjusting the Winder
57
Adjusting the Hook Thread Guide
60
14 Thread Trimmer
61
Adjusting the Height of the Thread-Pulling Knife
61
Adjusting the Cutoff Curve
62
Adjusting the Cutting Pressure
64
Adjusting Point in Time for Cutting
65
15 Puller
67
Adjusting the Synchronization of Feed Dog and Puller
68
Adjusting the Distance between Carrier Roller and Needle
70
Adjusting the Carrier Roller Stroke
71
Adjusting the Carrier Roller Pressure
72
Adjusting the Fabric Deflector
73
Adjusting the Toothed Belt Tension
74
Changing the Carrier Roller
75
16 Adjusting the Potentiometer
76
17 Safety Release Clutch
78
Attaching the Safety Release Clutch
78
Adjusting the Torque
79
18 Integrated Motor
80
Overview of the Components
80
Disassembling the Drive
81
Disassembling the Handwheel and Handwheel Flange
81
Disassembling the Cover
81
Disassembling the Encoder
82
Disassembling the Stator
82
Disassembling the Rotor
83
Assembling the Drive
84
Assembling the Rotor
84
Assembling the Stator
85
Assembling the Encoder
86
Assembling the Cover
86
Locking the Machine in Place
87
Assembling the Handwheel Flange
88
Assembling the Handwheel
88
19 Programming
89
Adjusting the Electropneumatic Switching of the Carrier Roller
93
Adjusting the Stitch Count before the Carrier Roller Is Lowered
94
20 Maintenance
95
Cleaning
96
Cleaning the Machine
97
Cleaning the Motor Fan Mesh
98
Lubricating
99
Lubricating the Machine Head
100
Adjusting the Hook Lubrication
101
Servicing the Pneumatic System
102
Adjusting the Operating Pressure
102
Draining the Water Condensation
103
Cleaning the Filter Element
104
Checking the Toothed Belt
105
Parts List
105
21 Decommissioning
107
22 Disposal
109
23 Troubleshooting
111
Customer Service
111
Messages of the Software
111
Information Messages
111
Mains Voltage
112
Error Messages
115
Errors in Sewing Process
117
[Bar] 6
117
24 Technical Data
119
Length [MM]
119
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DURKOPP ADLER 827 Specifications
General
Brand
DURKOPP ADLER
Model
827
Category
Sewing Machine
Language
English
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