1-54
S100
Revised 10/2005
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D - MACHINE ADJUSTMENT
2 5 . K N I F E A D J U S T M E N T F O R U P P E R T H R E A D T R I M
1.
After repeatedly mounted holder with
thread knife
loosening the knife travel nut
, set the thread trimming knife height to
reach the clearance 0.1 to 0.15 mm,
above the right side spreader .
2.
The basic angle of set cutting knife
adjust by scerw , so taht the left side
of the knife is covered with right side of the
throad plate .
3.
The knife position , required for catching
the upper thread loop, can be changed after
loosening the screw , so that the knife
edge is 0,9 mm from the needle .
When the knife position is changed it is
necessary to check the height emendation to
preserve the clerance - see
article 1.
4.
The knife end position is limited by stop
screw so that the cutting knife
does
not toutch upper thread by itself tip.
5.
The initial position of the control lever
adjust to the space in range 0,2---0,3 mm
from the stud by screw after loosen
ing its nut.