SunStar KM-640BL, Руководство пользователя

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17) Adjusting blade pressure
As in Figure 45, the standard is when the contact
between the movable knife and the fixed blade begins.
In particular, when the cutting quality gets worse by
using a thick thread, strengthen a little bit the tension of
the fixed blade.
[Figure 45]
In order to adjust the tension of the fixed blade, loosen
the tension adjustment nut with the wrench box and
adjust the tension using the tension adjustment bolt.
[Figure 46]
18) Exchanging movable knife
To exchange the movable knife, turn the pulley with hands
such that the needle can be located in the highest position
and separate the needle plate. And, loosen the two fixing
bolts of movable knife shown in Figure 47 and break it up.
In case of assembling the exchanged part, please perform
this in a reverse manner.
[Figure 47]
19) Exchanging fixed blade
When you exchange the fixed blade, loosen first the
inside stopper clamp screw to get the washer and inside
stopper and dissemble by loosening the fixed blade
clamp screw. In case of assembling the exchanged part,
please perform this in a reverse manner.
[Figure 48]
movable knife
wrench box
movable knife
fixed blade
fixed blade