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WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
2. INSTALLATION
(1) Loosen setscrew
❷
of side plate
❶
. Remove side plate
❶
.
* Side plate
❶
and setscrew
❷
removed as described above are not used again since they are replaced
with the parts to be retrofitted to the sewing machine.
(2) Remove knee-lifter bar hinge screw
❸
.
(3) Loosen presser-lever fulcrum shaft setscrew
❹
from above the top of the arm. Remove
presser-lever fulcrum shaft
❺
.
❶
❷
❹
❸
1. Apply the grease supplied with the
unit to each joining section.
2. Press AK lever asm.
❻
against the
sewing machine frame. Then, move
the former so that it is spaced 0.1
mm from the latter. In this state,
fasten presser lever fulcrum shaft
setscrew
❹
to secure presser lever
fulcrum shaft
❺
.
Check to make sure that AK lever
asm.
❻
moves smoothly.
Check to make sure that the slit in
presser lever fulcrum shaft
❺
is
positioned horizontally.
(5) Attach knee-lifter connecting rod
❼
to the AK
lever. Fix cable clip band
❽
in the hole through
which knee-lifter connecting rod
❼
of AK lever
is to be passed through. Then, insert knee-lifter
connecting rod
❼
into the cable clip band.
(4) Install AK lever asm.
❻
which is provided with
a roller instead of the removed parts.
* For the AK device which is purchased in the shipped state, it has already been factory-adjusted.
The AK device can be put into use after connecting its connector (CN37) to the destination of connection
in the control box.
(Refer to "2. Installation procedure (10) to (11)").
❻
❺
❻
❺
a
❻
❼
❽
Provided
with a roller
0.1mm
Fig. A
– 2 –
Содержание AK-154
Страница 1: ...1 INSTRUCTION MANUAL AK 154...