24
Adjustment
Fig. 1 - 17
1
.05.17
Position of the front needle guard
(does not apply to all machines)
Requirement
When the point of the looper
1
, which is advancing from the right, is positioned in the
center of the needle, the needle guard clip
4
must
1. have a side clearance to the needle of
0.3 - 0.5 mm
2. be parallel to the looper blade
3. have its top edge at the same height as the point of looper
1
.
●
By turning the balance wheel bring looper
1
to its left point of reversal.
●
Loosen screws
2
.
●
Adjust needle guard bracket
3
so that in this position the needle guard clip
4
is not in con-
tact with looper
1
.
●
Slightly tighten screws
2
.
●
Turn the balance wheel until the point of the looper
1
, when coming from the right, is po-
sitioned in the center of the needle.
●
Adjust needle guard bracket
3
according to
requirement 1
.
●
Align needle guard clip
4
(screws
5
) according to
requirement 2
and
3
.
2
1
1
4
5
3
4
0,3 - 0,5 mm