3.
13 Adjustment of the height of the presser bar (Fig.16)
For the requirements of either replacing the presser foot or changing the height and angle of
presser foot, the following shall be observed.
1.
Take off the rubber plug in the hole from the face plate, as shown in Fig.16.
2.
Loosen the presser bar guide bracket set screw.
3.
after adjusting, retighten the screw
18 , A B , 0.8mm,
17 .
14.
Adjustment of the height of the feed dog(Fig.17 and 18)
Loosen the set screw , as shown in Fig.18, the angle of the feed dog can be adjusted to
the specified one of standard version, A version, and B version. The Max. height of 0.8mm of the
projection from feed dog is adjustable by the adjusting of screw
as shown in Fig.17.
3mm , , . 19
.
15 The timing of feed dog and needle (Fig.19)
When the point of needle lowering down to the location of 3mm from the upper surface
of the throat plate, the feed dog is fight at the position below the upper surface of the throat
plate, viz. the running of feed dog going well regulated in relation to the motion of needle.
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