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Troubleshooting

Service Instructions 869-M PREMIUM - 00.0 - 07/2018 157

Loose stitches Thread tensions are not

adjusted to the sewing

material, the sewing

material thickness or the

thread used

Check thread tensions

Needle thread and hook

thread have not been

threaded correctly

Check threading path

Needle breakage Needle thickness is

unsuitable for the sewing

material or the thread

Use recommended needle

thickness

Error Possible causes Remedial action

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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