Instruction manual

Table of contents Page
Introduction and safety instructions
Part 1 - Instructions for use - 52Xi
1. Machine description ........................................... 5
2. Machine use ................................................. 5
3. Subclasses ................................................. 6
4. Sew ing equipment ............................................. 7
5. Optional equipment ............................................ 9
6. Technical parameters ........................................... 11
7. Machine operation
7.1 Needle threading ............................................. 12
7.2 Hookthreadwinding ........................................... 13
7.3 Bobbin fixing and hook threading .................................... 14
7.4 Threadtensionadjustment ........................................ 15
7.4.1 Hookthreadtensionadjustment ..................................... 15
7.4.2 Needle thread tension adjustment .................................... 16
7.5 Needle replacement ............................................ 17
7.6 Footlifting .................................................. 18
7.7 Footpressuresetting............................................ 19
7.8 Stitch length setting ............................................ 19
7.9 Backtacking (reverse feeding; closing up) ............................... 20
7.10 Zig-zagstitchwidth(throw)andpositionsetting ........................... 21
7.11 Starting up of manually controlled machine with clutch motor ................... 22
7.12 Control of machine equipped with clutch positioning motor
and solenoid automatic control ...................................... 23
7.12.1 Control pedal ................................................ 23
7.12.2 Key control panel .............................................. 24
8. Efka DC1550/DA321G positioning motor ............................... 25
9. Sew ing w ith machine equipped w ith positioning motor
9.1 Machineautomaticfunctions ....................................... 26
9.2 Example of machine control/operation ................................. 27
10. Maintenance
10.1 Cleaning and checking ........................................... 28
10.2 Lubrication .................................................. 29