DURKOPP ADLER M-TYPE 867 - Direct Drive DAC Classic

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Setting needle thread tension

60 Service Manual 867 Version 02.0 - 04/2015

3. Setting the spring tension: Turn the tension disc (3):

• Greater spring tension: Turn to the left:

• Less spring tension: Turn to the right:

Do not twist the stop collar in doing so.

4. Tighten the screw (4).

Main Page

Default Chapter3
- Table of Contents3
1 About These Service Instructions7
- Scope7
- Representation Conventions - Symbols and Characters7
- Other Documents8
- Liability8
2 Safety Information9
- Basic Safety Instructions9
- Signal Words and Symbols Used in Warnings10
3 Working Basis13
- Sequence of the Settings13
- Cable Routing13
- Removing the Covers14
- Access to the Machine Bottom Section14
- Removing and Fitting the Arm Cover15
- Removing and Fitting the Head Cover15
- Removing and Fitting the Valve Cover16
- Opening and Closing the Throat Plate Slide17
- Removing and Installing the Throat Plate17
- Removing and Installing the Feed-Dog18
- Surfaces on Shafts20
- Locking the Sewing Machine in Place20
- Putting the Handwheel into Position21
4 Setting the Handwheel Scale23
5 Positioning the Arm Shaft24
6 Positioning the Toothed Belt Wheels25
- Upper Toothed Belt Wheel25
- Lower Toothed Belt Wheel27
7 Setting the Stitch Length Adjusting Wheels28
- Setting the Upper Stitch Length Adjusting Wheel29
- Setting the Lower Stitch Length Adjusting Wheel31
- Setting the Stitch Length Limit32
- Setting the Eccentric for the Forward and Backward Stitches34
8 Setting the Feed-Dog36
- Setting the Feed-Dog Position36
- Moving the Feed-Dog37
- Moving the Feed-Dog Carrier38
- Setting the Feed-Dog Movement39
- Setting the Feed Movement39
- Setting the Feed-Dog Height in the Top Dead Center40
- Setting the Stroke Movement41
- Setting the Compensating Weight42
9 Aligning the Needle Bar Linkage43
- Moving the Needle Bar Linkage Sideways43
- Aligning the Needle Bar Linkage in the Sewing Direction44
10 Position of the Hook and Needle46
- Setting the Hook Side Clearance46
- Setting the Loop Stroke Position47
- Adjusting the Needle Guard49
- Setting the Needle Bar Height50
11 Setting the Spool Housing Lifter52
- Setting the Lifting Gap52
- Setting the Point in Time of Opening53
12 Sewing Feet55
- Setting an Even Sewing Foot Stroke55
- Setting the Stroke Movement for the Feeding Foot56
- Setting Presser Foot Pressure58
- Setting the Sewing Foot Lifting Height59
13 Setting Needle Thread Tension60
- Setting the Thread Regulator60
- Setting the Thread Tensioning Spring61
14 Winder63
- Position of the Winder Wheel in Long Arm Machines63
- Setting the Winder64
- Setting the Hook Thread Guide66
15 Thread Cutter68
- Setting the Height of the Thread-Pulling Knife68
- Setting the Cutoff Curve69
- Setting the Cutting Pressure71
- Adjusting the Needle Thread Tension72
16 Short Thread Cutter (KFA)75
- General Information75
- Setting the Locking Latch77
- Setting the Thread-Pulling Knife78
- Setting the Counter-Blade80
- Setting the Cutoff Position82
17 Setting the Potentiometer85
18 Setting the Safety Snap-On Coupling87
- Attaching the Safety Snap-On Coupling87
- Setting the Torque88
19 Machines with Integrated Motor89
- Overview of the Components89
- Disassembling the Drive90
- Assembling the Drive93
- Replacing the Fuse98
- Replacing the PCB98
20 Special Machines99
- Machines with Switchable Needle Bars99
- Setting the Needle Bar Height99
- Adjusting the Slide for the Needle Bars101
- Machines with Moving Binder102
- Machines with a Vertical Cutter103
21 Maintenance Work107
- Lubrication107
- Lubrication of the Upper Part of the Machine108
- Hook Lubrication109
- Pneumatic System110
- Setting Operating Pressure110
- Draining the Water Condensation111
- Cleaning the Filter Element112
- Cleaning Work113
- Cleaning the Machine113
- Clean the Motor Fan Sieve114
- Checking the Toothed Belt114

DURKOPP ADLER M-TYPE 867 - Direct Drive DAC Classic

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