Vi.Be.Mac 3022 Series, Instructions For Use Manual, Page: 39 / 61

3022CS AUTOMATIC UNIT
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14.2.LOWER TOOTHED ROLLER
The purpose of the lower toothed roller moved by the step by step motor, is to shift the material on the grounds of the
required length stitch and to pull the lower part of the waistband, so that the material is perfectly joined and sewed by the
Unit, to increase the wereability of the waistband of the trousers, even though in the presence of peculiar materials like
stretch, multifibres etc.
To adjust the roller rotation speed, and therefore the required stitch length, operate on the motor panel on the specific CP
parameter.
Follow the specific directions at paragraph “9.2.4. SETTING OF THE OUTPUT IMPLULSE NUMBER TO COMMAND A
STEP BY STEP MOTOR”.
15. FOLDER
The Folder has the purpose to drive the material to form the waistband and it is placed on a special removable support.
The features of the Folder depends on:
· the type of waistband (SINGLE or DOUBLE)
· the height of the waistband
· the type of material in use
The Folder is fixed with its support to an articulated Folder holder.
Pulling the Folder towards you, this moves from its position in front of the presser foot in order to allow all the necessary
operations.
To get a constant quality of the waistband, the Folder must be centred as regards to the needles and to the presser foot
checking the Position, the Height and the Inclination of the Folder.
15.1.POSITION
Check that the Folder, loosening the two fixing screws, is placed according to the following rules:
· that the Folder is aligned on its left side with the left side of the Presser Foot.
· that the Folder does not touch the Presser foot not at all.
· that the Folder does not touch the worktable of the machine with the adjustable claw.
15.2.WORKTABLE HEIGHT
Check that the Folder, loosening the two fixing screws, is placed according to the following rules:
· that the Folder is parallel with the worktable.
15.3.INCLINATION OF THE BORDER HOLDER
Check that the Folder, loosening the two fixing screws of the Folder holder, is placed according to the following rules:
· that the Folder is parallel with the worktable.
Check that the Folder makes a waistband with the left upper and lower margins equals.
When the inclination is varied, always check the height and the subsequent position of the Border.