30
11.2 Table of setting the machine according to the sewing category
Commercial designation of the machine
4180 - 5XX - X
1) The standard setting of the machine for the categories 3 and 4 concerns a decorative stitching, when it is difficult to match
a good stitch interlocking with a faultless function of the thread trimming device. Otherwise, when sewing material of
considerable overall thickness, it will be necessary to increase the overtopping of the teeth above the needle plate and to
increase also the needle thread tension.
2) The thickness of a layer is measured using an engineer slide calliper with the pressure of jaws of about 10 N.
3) If the user will agree with the maximum stitch length of 5 mm, the pin of the feeding lever can be left in the position 1.
4) The values of tension are only orientative ones and it is necessary to adapt especially the tension of the shuttle thread
according to the stiffness of the material. An excessive tension of the threads when sewing soft materials causes material
wrinkling.
5) One of the two springs ist mounted, the other one is enclosed in the machine accessories.
6) When performing decorative sewing, it is possible to use the shuttle thread having the label No 20 - the interval between the
two replacements of the shuttle bobbin will be double.
7) When changing markedly the sewing category together with changing the tension of the shuttle thread, it is necessary to
modify the tension of the retaining spring of the trimming device according to the paragraph 4.7.
8) When changing markedly the sewing category together with a marked change of the needle number, it is necessary to correct
the setting of the distance of the shuttle from the needle, according to the paragraph 3.1.3 and, at the same time, the setting
of the fixed trimming knife of the trimming device, according to the par. 4.6.
9) There are in use various types of feeders with the purpose of avoiding imprinting the teeth in the lining leather. Otherwise, it
is possible to use any feeder.
Standard machine setting
1)
Needle Sewing Position Width Feeder Presser Presser Thread tension Thread Spring of
size speed of feeding of needle - top roller top roller
4)
limiter main
lever pin plate pitch diameter position
tensioner
insert of teeth
needle shuttle
hole
thread thread
8)
9)
7)
5)
0,01 mm st/min.
mm mm mm mm N
N
80
2500
1
1.2
0.4
35
10.5
3
1
L
100
2500
1
1.5
0.4
35
10.5
4.5
1.5
M
130
1600
2
2
0,6
35
10.5
5 - 8
2
M - H
3)
160
1600
2
2.4
1,2
35
10.5
10 - 12
2 - 2.5
H
3)
Standard sewing parameters
Thickness Number Stitch Label
of one of mate- length number
material rial layers of thread
layer
PES
2)
mm
mm
0.8
2
1.7
70
2.2
1
2
2.5
40
1.5
1-2
3.5
20
1-2
10
2
or
5
(20)
2-3
6)
Sewing
category
-100
-200
-300
-400
522 080 262 083
522 099 004 800 80
Setting as per chapter
Instructions for service
3.5.4.1.2
3.3.2
3.5.4.2.3
3.6.8.1
3.6.8.2
3.4.5
Instructions manual
6.5
6.4
6.4
Instructions for assembling
2.4
4.5
