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– 7 –
Left-hand and right-hand shapes of throat plate auxiliary cover support
are different. So,
be careful.
❶
❶
❽
Within 0.3 mm
❶
2
❺
[Areas 1510 and 2210]
[When area 1510 or 2210 is used]
1) Temporarily fix throat plate auxiliary
cover supports A
❷
and B
❸
to the
machine bed with setscrews (M5)
❻
.
For the screw
❻
which tightens
the throat plate auxiliary cover
support A
❷
, select the screw
which is easier to use between
the hexagon socket and the
screw with plus and minus
slots.
2) Move the cloth feed base to the rear,
and place throat plate auxiliary cover
❶
from between lower plate
❼
and
throat plate
❽
. At this time, be careful
not to bend lower plate
❼
.
3) Fix throat plate auxiliary cover
❶
with
throat plate auxiliary cover setscrews
❺
and nuts (small)
❹
.
4) Temporarily fix throat plate auxiliary
cover support
to the machine bed
with setscrews (M6)
.
5) Temporarily fix throat plate auxiliary
cover base
to throat plate auxiliary
cover support
with setscrews
and
nuts (large)
.
6) Fix throat plate auxiliary cover
❶
with
throat plate auxiliary cover setscrews
❺
and nuts (large)
.
❶
❹
❸
❺
❻
❷
❹
❽
❼
1. Be careful so as not to mis-
take the direction of throat
plate auxiliary cover support.
2. Fix the throat plate auxiliary
cover
❶
so that is higher than
the throat plate
❽
(within 0.3
mm). When it is lower than
the throat plate
❽
, needle
breakage or the like due to the
defective feed will be caused.
3. Confirm by putting a ruler or
the like that the throat plate
auxiliary cover
❶
is horizon-
tally installed. If not, throat
plate auxiliary cover
❶
and
lower plate
❼
come in contact
partially with each other, and
abnormal worn-out will be
caused.
[Areas 1510 and 2210]