Contents Page:
Preface and general safety instructions
Part 1: Operating Instructions Class 827 – Original Instructions
(Edition 01/2012)
1 Product description ............................................ 5
2 Designated use ............................................... 5
3 Optional equipments ............................................ 7
4 Technical data
5.1 Technicaldatasubclasses......................................... 12
5 Operation
5.1 Threadingtheneedlethread........................................ 15
5.2 Adjustingtheneedle-threadtension................................... 17
5.3 Switchingthesupplementarytensiononandoff............................ 18
5.4 Adjustingthethreadregulator....................................... 19
5.5 Winding on the hook thread ........................................ 20
5.6 Changing the hook-thread bobbin .................................... 21
5.7 Setting the hook thread tension ...................................... 22
5.8 Insertingandchangingtheneedlewithsingle-needlemachines.................. 23
5.9 Insertingandchangingtheneedlewithdouble-needlemachines.................. 24
5.10 Lockingthesewingfeetinliftedposition ................................ 25
5.11 Sewing-footpressure............................................ 26
5.12 Settingthestitchlength........................................... 27
5.13 Keypadonthemachinearm........................................ 28
6 Efka DC1550/DA321G direct-current positioning drive
6.1 General..................................................... 30
7Sewing..................................................... 31
8 Maintenance
8.1 Cleaningandtesting............................................. 33
8.2 Lubrication................................................... 35
8.3 Repair ..................................................... 36
Contents Page:
Preface and general safety instructions
Part 1: Operating Instructions Class 827 – Original Instructions
(Edition 01/2012)
1 Product description ............................................ 5
2 Designated use ............................................... 5
3 Optional equipments ............................................ 7
4 Technical data
5.1 Technicaldatasubclasses......................................... 12
5 Operation
5.1 Threadingtheneedlethread........................................ 15
5.2 Adjustingtheneedle-threadtension................................... 17
5.3 Switchingthesupplementarytensiononandoff............................ 18
5.4 Adjustingthethreadregulator....................................... 19
5.5 Winding on the hook thread ........................................ 20
5.6 Changing the hook-thread bobbin .................................... 21
5.7 Setting the hook thread tension ...................................... 22
5.8 Insertingandchangingtheneedlewithsingle-needlemachines.................. 23
5.9 Insertingandchangingtheneedlewithdouble-needlemachines.................. 24
5.10 Lockingthesewingfeetinliftedposition ................................ 25
5.11 Sewing-footpressure............................................ 26
5.12 Settingthestitchlength........................................... 27
5.13 Keypadonthemachinearm........................................ 28
6 Efka DC1550/DA321G direct-current positioning drive
6.1 General..................................................... 30
7Sewing..................................................... 31
8 Maintenance
8.1 Cleaningandtesting............................................. 33
8.2 Lubrication................................................... 35
8.3 Repair ..................................................... 36
Contents Page:
Preface and general safety instructions
Part 1: Operating Instructions Class 827 – Original Instructions
(Edition 01/2012)
1 Product description ............................................ 5
2 Designated use ............................................... 5
3 Optional equipments ............................................ 7
4 Technical data
5.1 Technicaldatasubclasses......................................... 12
5 Operation
5.1 Threadingtheneedlethread........................................ 15
5.2 Adjustingtheneedle-threadtension................................... 17
5.3 Switchingthesupplementarytensiononandoff............................ 18
5.4 Adjustingthethreadregulator....................................... 19
5.5 Winding on the hook thread ........................................ 20
5.6 Changing the hook-thread bobbin .................................... 21
5.7 Setting the hook thread tension ...................................... 22
5.8 Insertingandchangingtheneedlewithsingle-needlemachines.................. 23
5.9 Insertingandchangingtheneedlewithdouble-needlemachines.................. 24
5.10 Lockingthesewingfeetinliftedposition ................................ 25
5.11 Sewing-footpressure............................................ 26
5.12 Settingthestitchlength........................................... 27
5.13 Keypadonthemachinearm........................................ 28
6 Efka DC1550/DA321G direct-current positioning drive
6.1 General..................................................... 30
7Sewing..................................................... 31
8 Maintenance
8.1 Cleaningandtesting............................................. 33
8.2 Lubrication................................................... 35
8.3 Repair ..................................................... 36
Contents Page:
Preface and general safety instructions
Part 1: Operating Instructions Class 827 – Original Instructions
(Edition 01/2012)
1 Product description ............................................ 5
2 Designated use ............................................... 5
3 Optional equipments ............................................ 7
4 Technical data
5.1 Technicaldatasubclasses......................................... 12
5 Operation
5.1 Threadingtheneedlethread........................................ 15
5.2 Adjustingtheneedle-threadtension................................... 17
5.3 Switchingthesupplementarytensiononandoff............................ 18
5.4 Adjustingthethreadregulator....................................... 19
5.5 Winding on the hook thread ........................................ 20
5.6 Changing the hook-thread bobbin .................................... 21
5.7 Setting the hook thread tension ...................................... 22
5.8 Insertingandchangingtheneedlewithsingle-needlemachines.................. 23
5.9 Insertingandchangingtheneedlewithdouble-needlemachines.................. 24
5.10 Lockingthesewingfeetinliftedposition ................................ 25
5.11 Sewing-footpressure............................................ 26
5.12 Settingthestitchlength........................................... 27
5.13 Keypadonthemachinearm........................................ 28
6 Efka DC1550/DA321G direct-current positioning drive
6.1 General..................................................... 30
7Sewing..................................................... 31
8 Maintenance
8.1 Cleaningandtesting............................................. 33
8.2 Lubrication................................................... 35
8.3 Repair ..................................................... 36