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Adjusting the thread tensioning plate

Service Instructions 869-M PREMIUM - 00.0 - 07/2018 61

3. Set thread tension level 2 (50%).

4. Lock the machine in place at position 1 (handwheel position 0°).

5. Remove the thread tension spring from the operating range (cw).

6. Loosen lock screws (1) and (4).

7. Loosen stop screws (3) and (5) (ccw).

8. Set the pre-tensioner (6) to a tension force of 20 cN.

 Pretensioning must not significantly impair the thread tension.

13.2 Adjusting the tensioning plate

13.2.1 Adjusting the tensioning plate using the Schmidt MST-2000

Fig. 47: Adjusting the tensioning plate (1)

To adjust the tensioning plate:

1. Insert the needle thread as shown above.

(1) - Lock screw

(2) - Stop screw

(3) - Stop screw

(4) - Lock screw

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②

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Default Chapter3
- Table of Contents3
1 About These Instructions7
- For Whom Are These Instructions Intended7
- Representation Conventions - Symbols and Characters7
- Other Documents9
- Liability9
2 Safety11
- Basic Safety Instructions11
- Signal Words and Symbols Used in Warnings12
3 Working Basis15
- Order of the Settings15
- Laying the Cable Guide15
- Calling up the Service Routine16
- Removing the Covers18
- Access to the Underside of the Machine19
- Removing and Placing the Arm Cover20
- Removing and Placing the Head Cover21
- Removing and Placing the Valve Cover22
- Disassembling and Assembling the Throat Plate Slide23
- Disassembling and Assembling the Throat Plate24
- Disassembling and Assembling the Feed Dog25
- Flats on Shafts26
- Locking the Machine in Place27
4 Setting the Handwheel Scale29
5 Positioning the Arm Shaft30
6 Positioning the Toothed Belt Wheels31
- Positioning the Upper Toothed Belt Wheel32
- Positioning the Lower Toothed Belt Wheel33
7 Setting the Mechanical Stitch Adjustment34
- Setting the Stitch Regulator Gear34
- Setting the Eccentric for the Forward and Backward Stitches37
8 Setting the Feed Dog38
- Setting the Feed Dog Position38
- Setting the Feed Dog Movement40
- Setting the Feed Dog Feed Movement40
- Setting the Feed Dog Height at Top Dead Center42
- Setting the Feed Dog Stroke Movement43
9 Aligning the Needle Bar Linkage44
- Aligning the Needle Bar Linkage Sideways44
- Aligning the Needle Bar Linkage in the Sewing Direction46
10 Position of the Hook and Needle48
- Setting the Hook Side Clearance48
- Setting the Loop Stroke Position50
- Setting the Needle Guard51
- Setting the Needle Bar Height52
11 Setting the Bobbin Case Lifter54
12 Sewing Feet56
- Setting the Sewing Foot Lifting Gear56
- Setting an Even Sewing Foot Stroke57
- Setting the Stroke Movement for the Feeding Foot58
- Setting the Sewing Foot Pressure and Sewing Foot Lift60
13 Adjusting the Thread Tensioning Plate62
- Setting the Machine62
- Adjusting the Tensioning Plate63
- Adjusting the Tensioning Plate Using the Schmidt MST-200063
- Adjusting the Tensioning Plate Using a Mechanical Thread Scale65
- Checking the Adjusted Thread Tension66
- Checking the Adjusted Thread Tension Using the Schmidt MST-200066
- Checking the Adjusted Thread Tension Using a Mechanical Thread Scale68
14 Setting the Needle Thread Tension70
- Setting the Needle Thread Regulator70
- Setting the Thread Tension Spring71
- Electronic Needle Thread Tension72
15 Winder73
- Setting the Winder73
- Setting the Hook Thread Guide76
16 Thread Cutter77
- Setting the Height of the Thread-Pulling Knife77
- Setting the Cutoff Curve78
- Setting the Cutting Pressure80
- Setting Point in Time for Cutting81
17 Setting the Safety Snap-On Coupling82
- Attaching the Safety Snap-On Coupling82
- Setting the Torque83
18 Integrated Motor84
- Overview of the Components84
- Disassembling the Drive85
- Disassembling the Handwheel and Handwheel Flange85
- Removing the Cover85
- Disassembling the Encoder86
- Disassembling the Stator86
- Disassembling the Rotor87
- Assembling the Drive88
- Assembling the Rotor88
- Assembling the Stator89
- Assembling the Encoder90
- Assembling the Cover90
- Locking the Machine in Place91
- Assembling the Handwheel Flange91
- Assembling the Handwheel92
19 Programming93
- Calling up the Technician Level93
- Structure of the Software93
- Lock Technician Level (Lock Techn.) Submenu94
- Parametercall Submenu94
- Default Program Submenu96
- Setting the Stitch Length (Stitchlen.) Parameter96
- Setting the Foot Pressure (Foot Press.) Parameter97
- Setting the Needle Thread Tension (Thr.tens.) Parameter97
- Setting the Sewing Foot Stroke (Foot Stroke) Parameter97
- Setting the Start Bartack (Start Tack) Parameter98
- Setting the End Bartack (End Tack) Parameter98
- Setting the Thread Cutter (Thread Trim) Parameter98
- Setting the Daily Pieces Counter (Dailypieces) Parameter98
- Machine Config. Submenu99
- Setting the Thread Cutter (Thread Trim) Parameter100
- Setting the Thread Clamp (Thread Clamp) Parameter101
- Setting the Speed (Speed) Parameter103
- Setting the Stop Positions (Stop Positions) Parameter103
- Setting the Sewing Foot (Foot) Parameter104
- Setting the Needle Thread Tension (Thr.tens.) Parameter104
- Setting the Sewing Foot Stroke (Stroke) Parameter105
- Setting the Stitch Length (Stitchlen.) Parameter106
- Setting the Bobbin (Bobbin) Parameter106
- Setting the Motor Holding Force (Holding Force) Parameter107
- Setting the Pedal (Pedal) Parameter108
- Setting the Needle Cooling (Needlecooling) Parameter108
- Setting the Seam Center Guide (Center Guide) Parameter109
- Setting the Puller (Puller) Parameter109
- Setting the Edge Guide (Edgeguide) Parameter111
- Setting the Material Thickness Detection (Fabricthickness) Parameter111
- Setting the Correction of Effects of High Speed (Speed Corr.) Parameter112
- Setting the Light Barrier (Lightbarrier) Parameter112
- Setting the Segment Length (Mode Seg.size) Parameter113
- Setting the Threading Mode (Threading) Parameter113
- Setting the Operation Lock (Machineblockage) Parameter113
- User Config. Submenu113
- Setting the Language Selection (Language) Parameter114
- Setting the Parameter View (Parameterview) Parameter114
- Setting the Input Configuration (Input Config) Parameter115
- Setting the Output Configuration (Output Config) Parameter117
- Setting the Additional Inputs/Outputs (Add I/O) Parameter118
- Setting the Barcode Scanner (Scanner) Parameter121
- Setting the Interface (Interface) Parameter121
- Setting the Stitch Functions (Stitchfunctions) Parameter121
- Setting the Programs (Programs) Parameter122
- Setting the Electronic Handwheel (Jog-Dial) Parameter122
- Setting the Access Rights (Lock) Parameter123
- Setting the QONDAC (QONDAC) Parameter124
- Setting the Fast Menu Keys (Fastmenukeys) Parameters124
- Setting the Contrast (Contrast) Parameter125
- Setting the Brightness (Brightness) Parameter125
- Service Submenu126
- Setting the Multitest (Multitest) Parameter126
- Setting the Service Routine (Adjustments) Parameter130
- Setting the Calibration (Calibration) Parameter130
- Displaying the Error List (Error Log) Parameter133
- Counter Submenu133
- Reset Data (Reset) Submenu133
- Data Transfer Submenu134
- Setting the All Data (All Data) Parameter135
- Setting the Only Data (Only Data) Parameter136
- Setting the Programs (Programs) Parameter137
- Saving the Error List (Error Log) Parameter139
- Performing a Software Update139
20 Maintenance143
- Cleaning144
- Lubricating145
- Lubricating the Machine Head146
- Checking the Hook Lubrication147
- Servicing the Pneumatic System148
- Setting the Operating Pressure148
- Draining the Water Condensation149
- Cleaning the Filter Element150
- Parts List151
21 Decommissioning153
22 Disposal155
23 Troubleshooting157
- Customer Service157
- Errors in Sewing Process158
- Messages of the Software160
- Error in the Software166
- Testing the Function of the Buttons166
24 Technical Data169
25 Appendix171

Brand	DURKOPP ADLER
Model	869-M Premium
Category	Sewing Machine
Language	English

DURKOPP ADLER 869-M Premium User Manual

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