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Working basis

Service Instructions 878-M PREMIUM - 03.0 - 10/2019 17

3.4.3 Removing and placing the head cover

Fig. 4: Removing and placing the head cover

Removing the head cover

1. Loosen the screws (2).

2. Remove the head cover (1).

Placing the head cover

1. Place the head cover (1).

2. Tighten the screws (2).

3.4.4 Removing and placing the valve cover

Fig. 5: Removing and placing the valve cover

Important

When removing and positioning the valve cover, be sure not to pull off any

cables.

(1) - Head cover (2) - Screws

①

②

(1) - Valve cover (2) - Screws

①

②

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
- Machine Operation Lock16
- Removing the Covers17
- Access to the Underside of the Machine17
- Removing and Placing the Arm Covers18
- Removing and Placing the Head Cover19
- Removing and Placing the Valve Cover19
- Disassembling and Assembling the Throat Plate20
- Disassembling and Assembling the Circular Feed Dog21
- Flats on Shafts22
- Locking the Machine in Place23
- Setting the Handwheel into Position24
4 Setting the Handwheel Scale25
5 Positioning the Arm Shaft26
6 Positioning the Toothed Belt Wheels27
- Positioning the Upper Toothed Belt Wheel27
- Positioning the Lower Toothed Belt Wheel28
7 Setting the Needle Bar29
- Aligning the Needle Bar Linkage Sideways29
- Angular Position of the Single-Needle Sewing Machine Needle Holder31
8 Setting the Sewing Foot32
9 Needle Guides in 2-Needle Machines35
10 Setting the Hook and the Needle Bar36
- Hook Height36
- Setting the Looping Stroke37
- Setting the Needle Bar Height39
- Setting the Side Distance of the Hook40
- Setting the Needle Guard41
- Setting the Loop Former42
11 Setting the Opening of the Middle Part of the Hook43
- Setting the Lifting Gap44
- Setting the Timing for Lifting45
12 Setting the Needle Thread Tension46
- Setting the Needle Thread Regulator46
- Setting the Thread Tensioning Spring47
- Setting the Thread Lever Mechanism48
- Electronic Needle Thread Tension48
13 Winder49
- Setting the Winder Wheel to the Toothed Belt Wheel49
- Setting the Winder50
- Setting the Hook Thread Guide53
14 Thread Trim54
- Setting the Height of the Knives, Position of the Fixed Knife54
- Starting Position of the Moving Knife56
- Setting the Short Thread Trimming57
- Setting the Cutoff Curve58
- Hook Thread Clamp59
15 Setting the Safety Snap-On Coupling60
- Attaching the Safety Snap-On Coupling60
- Setting the Torque61
16 Integrated Motor62
- Disassembling the Motor62
- Disassembling the Handwheel and Handwheel Flange62
- Removing the Cover63
- Removing the Motor63
- Assembling the Cover64
- Assembling the Handwheel65
17 Programming67
- Calling up the Technician Level67
- Structure of the Software67
- Parameter Selection (Parametercall) Submenu68
- Program Presetting (Defaultprogram) Submenu69
- Setting the Stitch Length (Stitchlength) Parameter69
- Setting the Foot Pressure (Footpress.) Parameter70
- Setting the Needle Thread Tension (Threadtension) Parameter - Optional Accessories70
- Setting the Fullness Type (Fullnesstype) Parameter70
- Setting the Fullness Degrees (Fullness) Parameter71
- Setting the Start Bartack (Starttack) Parameter71
- Setting the End Bartack (Endtack) Parameter71
- Setting the Thread Trim (Threadtrim) Parameter71
- Setting the Daily Piece Counter (Dailypieces) Parameter72
- Machine Configuration (Machineconfig) Submenu72
- Setting the Thread Trim (Threadtrim) Parameter73
- Setting the Thread Clamp (Threadclamp) Parameter74
- Setting the Speed (Speed) Parameter76
- Setting the Stop Positions (Stoppositions) Parameter76
- Setting the Sewing Foot (Foot) Parameter77
- Setting the Needle Thread Tension (Threadtension) Parameter77
- Setting the Stitch Length (Stitchlength) Parameter78
- Setting the Bobbin (Bobbin) Parameter79
- Setting the Motor Holding Force (Holdingforce) Parameter79
- Setting the Pedal (Pedal) Parameter80
- Setting the Needle Cooling (Needlecooling) Parameter80
- Setting the Seam Center Guide (Centerguide) Parameter81
- Setting the Edge Guide (Edgeguide) Parameter81
- Setting the Material Thickness Detection (Fabricthickness) Parameter82
- Setting the Correction of the Effects of High Speeds (Speedcorr) Parameter82
- Setting the Light Barrier (Lightbarrier) Parameter83
- Setting the Segment Length (Modeseg.size) Parameter83
- Setting the Threading Mode (Threading) Parameter84
- User Configuration (Userconfig) Submenu84
- Setting the Language Selection (Language) Parameter85
- Setting the Parameter View (Parameterview) Parameter85
- Setting the Input Configuration (Inputconfig) Parameter86
- Setting the Output Configuration (Outputconfig) Parameter87
- Setting the Stitch Functions (Stitchfunctions) Parameter88
- Setting the Programs (Programs) Parameter89
- Setting the Electronic Handwheel (Jogdial) Parameter89
- Setting the Access Rights (Lock) Parameter90
- Setting the Fast Menu Keys (Fastmenukeys) Parameter91
- Setting the Contrast (Contrast) Parameter91
- Setting the Brightness (Brightness) Parameter91
- Service (Service) Submenu92
- Setting the Multitest (Multitest) Parameter92
- Setting the Service Routine (Adjustments) Parameter96
- Setting the Calibration (Calibration) Parameter96
- Setting the Parameter Setting the Gap between the Foot and the Feed Dog (Footzeroheight)98
- Counter Submenu98
- Reset Data Submenu98
- Data Transfer (Datatransfer) Submenu99
- Setting the All Data (Alldata) Parameter99
- Setting the Only Data (Onlydata) Parameter101
- Setting the Programs (Programs) Parameter102
- Selection of Tension Plate Type104
- Perform Software Update105
18 Maintenance107
- Cleaning108
- Lubricating110
- Lubricating the Machine Head111
- Setting the Hook Lubrication112
- Parts List113
19 Decommissioning115
20 Disposal117
21 Troubleshooting119
- Customer Service119
- Errors in the Sewing Process120
- Error in the Software122
- Testing the Function of the Buttons122
22 Technical Data125
23 Appendix127

Brand	DURKOPP ADLER
Model	878-M PREMIUM
Category	Sewing Machine
Language	English

DURKOPP ADLER 878-M PREMIUM Service Instructions

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