3)
How
to
install the silicon oil lubricating unit
j
MODEL
MH-481
is provided with
SILICON
OIL LUBRICATING
UNiT
for sewing with
I
synthetic or mixed synthetic thread.
I
AE
shown in the figure left, install the silicon
1
o~l lubr~cation unit int the frame thread
I
eyelet.
i
I
I
i
3.
ADJUSTING THE MACHINE
1)
Adjusting the presser foot and the feed
dog
How to install the feed dog
Adjusting the height of the presser bar
When the height or the direction of the
presser bar is to be changed due to the
exchange of presser foot:
1. Remove the rubber plug of the face plate.
2.
From this hole, adjust by loosening thc
presser bar clamping screw.
3.
After the adjustment, securely t~ghten ttie
set 5crew.
m
If
the scrcw
(2
of figure is loosened, the slant of the feed dog can be adjusted either to
A
type
or
B
type. The maximum protruding amount of the feed dog
I\
0.8
rnm(1132"). Adjust to
this amount by screw
('1'
.
Matching the needle and the feed dog
When the needle po~nt has dropped to 3mm
(1/8")bottomthe surface of the throat plate.
adjust the position of the feed dog by the
$crew of figure so that the feed dog sinks
just below the lower surface of the throat
plate.
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