3.7.4 Setting the tensioning roller
3.7.5 Replacement the indented belt
3.7.6 Setting the feeding difference
3.7.7 Replacement of friction wheels of the drive conversion unit
3.7.8 Top roller
3.7.8.1 Selection of the top roller diameter
3.7.8.2 Forward, rearward and side setting
3.7.8.3 Setting the gear clearance
3.7.8.4 Replacement of the top roller
3.8 Setting the presser foot lift
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3.9 Bobbin winder ....
.................................................................................................................................................................. 21
3.9.1 Description
3.9.2 Setting the bobbin winder stop
3.9.3 Setting the friction gear
3.10 Safety clutch
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3.10.1 Description
3.10.2 Setting the disengaging moment
3.11 Indented belt transmission
................................................................................................................................................ 22
3.11.1 Setting the tensioning roller of the indented belt
3.11.2 Replacing the indented belt
3.12 V-belt, motor - head
............................................................................................................................................................. 23
3.12.1 Tensioning
3.12.2 Replacing the V-Belt
3.13 Driving toothed belt
.............................................................................................................................................................. 23
3.13.1 To exchange the driving toothed belt
3.14 Lubrication
.............................................................................................................................................................................. 24
3.14.1 Description
3.14.2 Refilling oil
3.14.3 Multiple oil use
4. Thread trimming
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4.1 Description of the trimming mechanism
4.2 Setting the pickup roller
4.3 Setting the cam
4.4 Setting the fork
4.5 Setting the moving knife
4.6 Setting the height of the fixed knife and of the retaining spring of the lower thread
4.7 Setting the fixed knife
4.8 Setting the retaining spring of the hook thread
4.9 Setting the switching of the electromagnets
5. Lifting the top roller by electromagnet
........................................................................................................................... 27
5.1 Description
5.2 Setting the electromagnet pin
5.3 Setting the electromagnet current
5.4 Assembly of the top roller lifting electromagnet
6. Backtacking using electromagnet
.................................................................................................................................... 28
6.1 Description
6.2 Electromagnet height setting
6.3 Setting the position of push-buttons
6.4 Change of the function push-buttons
7. Connecting the electric elements on the machine head
................................................................................................ 29
8. Drive, control panel, position sensor
........................................................................................................................... 29
9. Lighting
........................................................................................................................................................................... 29
9.1 Mounting on the machine head
9.2 Lamp replacement
10. Maintenance (table of operations)
................................................................................................................................. 30
11. Setting the machine according to the sewing category
.................................................................................................. 30
11.1 Introduction
11.2 Table of setting the machine according to the sewing category
11.3 Table of possible stitch widths of needles according to the sewing category
