CONTENTS:
1.
General safety instructions
............................................................................................................................................... 1
2.
Introduction
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3.
Head of the sewing machine
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3. 1
Hook and hook post
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..
3.1.1
Description
3.1.2
Height setting of the hook
3.1.3
Setting the distance of the hook from the needle
3.1.4
Angular setting of the hook (timing)
3.1.5
Protection of the needle and of the hook point
3.1.6
Setting of the bobbin case opener
3.1.7
Setting the regulation of the hook lubrication
3.1.8
Replacement of the hook
3.1.9
Setting the gear
3.1.10
Dismantling of the hook post
3.2
Needle and thread mechanism
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3.2.1
Description
3.2.2
To check the handwheel angular adjustment
3.2.3
Height setting of the needle bar
3.2.4
Side setting of the needle bar holder
3.2.5
Setting the needle (the needle bar holder) in the direction of sewing
3.3
Throat plate and its post
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3.3.1 Description
3.3.2 Mounting and removing the throat plate
3.3.3 Side setting of the throat plate post
3.4
Thread tensioner
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3.4.1 Description
3.4.2 Setting the tension and switching off the main and the auxiliary tensionmer
3.4.3 Setting of the adjusting spring
3.5 Feeding mechanism of the needle feed and of the lower feed wheel
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3.5.1 Description
3.5.2 Stitch length mechanism
3.5.2.1
Setting of the stitch length eccentric
3.5.2.2
Setting of the stitch length button
3.5.3 Lower feed wheel
3.5.3.1
Feeding clutches
3.5.3.2
Wheel feeder and its post
3.5.3.2.1 Height setting of the feeder and tensioning of the chain
3.5.3.2.2 Replacement of the feeder
3.5.4 Setting the top roller (pressing force, height)
3.6 Feeding mechanism of the top roller
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3.6.1 Description
3.6.2 Side setting of the indented lower pulley
3.6.3 Side setting of the indented upper pulley
3.6.4 Setting the tensioning roller
3.6.5
Replacement of the indented belt
3.6.6
Top roller
3.6.6.1
Selection of the top roller diameter
3.6.6.2
Forward, rearward and side setting
3.6.6.3
Setting the gear clearance and in the mounting of the top roller
3.6.6.4
Replacement of the top roller
3.7
Setting the presser foot lift
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3.8
Bobbin winder
....
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3.8.1
Description
3.8.2
Setting the bobbin winder stop
3.8.3
Setting the friction gear
