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Duerkopp Adler
Sewing Machine
669
Duerkopp Adler 669 Service Manual
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669
S
pezialnähmaschine
Serviceanleitung
Service
Instructions
Postfach
17
03
51,
D-33703
Bielefeld
•
Potsdamer
S
traße
190,
D-33719
Bielefeld
T
elefon
+49
(0)
521
/
9
25-00
•
T
elefax
+49
(0)
521
/
9
25
24
35
•
ww
w
.duerkopp-adler
.com
Ausgabe
/
Edition:
Änderungsindex
T
eile-Nr
./Part.-No.:
09/2009
Rev
.
index:
00.0
Printed
in
Federal
Republic
of
Germany
0791
669641
D
GB
2
Table of Contents
Default Chapter
1
Service Instructions
1
General Safety Instructions
3
Table of Contents
5
1 General
7
Gauges
7
General 1.1 Gauges
7
Description of the Setting Positions
8
2 Sewing Machine
9
Position of the Arm Shaft Crank on the Arm Shaft
9
Upper and Lower Toothed Belt Wheel / Toothed Belt
10
Position of the Upper Toothed Belt Wheel
10
Position of the Lower Toothed Belt Wheel
11
Bottom Feed and Stitch Regulator Gear
12
Basic Setting of Stitch Adjustment
12
Adjust the 2Nd Stitch Length
14
Position of the Feed Dog in the Throat Plate Cutout
15
Feeding Motion of the Feed Dog
16
Lifting Motion of the Feed Dog
17
Feed Dog Height
18
Neutralizing the Feed Dog Stroke
19
Transmission Lever
20
Needle Bar Linkage
21
Align the Needle Bar Linkage Laterally
21
Needle Penetration in Feeding Direction
22
Hook, Looping Stroke and Needle Bar Height
23
Looping Stroke, Distance between the Hook Point and Needle
23
Needle Bar Height
25
Throat Plate Base
26
Feeding Foot and Presser Foot
27
Feeding Foot and Presser Foot Stroke
27
Stroke Motion of the Feeding Foot
28
Sewing Foot Pressure
29
Stitch Length Limitation
30
Stitch Equality of the Forward and Backward Stitch
31
Sewing Foot Lifting
32
Mechanical Sewing Foot Lifting
32
Height of the Sewing Feet Arrested with Hand Lever
33
Height of the Lifted Sewing Feet
34
Thread-Guiding Parts
35
Thread Regulator
35
Thread Take-Up Spring
36
Bobbin Winder
38
Thread Trimmer
41
Mechanical Part
41
Thread Trimmer Cam Position
42
Play between the Roller and the Control Cam
43
Setting the Cutting Pressure
44
Potentiometer in the Arm
45
Basic Setting Without Control Panel
45
Basic Setting with the Control Panel V810 or V820
46
Check the Potentiometer Adjustment
47
Connections PCB
48
3 Oil Lubrication
49
Hook Lubrication
50
4 Maintenance
51
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Duerkopp Adler 669 Specifications
General
Stitch Type
Lockstitch
Needle System
134-35
Clearance under sewing foot
12 mm
Presser Foot Lift
Max. 14 mm
Motor
Integrated DC servo motor
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