– 11 –
Preparation
™ Remove outer components.
(Excluding belt cover and motor cover)
™ Raise presser foot.
Disassembly
™ Remove snap 4 pin.
™ Remove 5 setscrews and
remove 6.
™ Exclude screw 1 and take off a
lever axis spring and take off knee
advance lever axis fixation E ring
!1.
™ Lower 2 and turn it to the position
where 3 can be removed.
™ Remove 3, remove claw lever
actuating plate, and draw out 2.
™ Remove claw lever shaft 7
setscrew.
™ Remove 8 link asm..
Assembly
™ Attach 8 to frame and tighten 7
setscrews.
™ Put knee advance lever axis
washer !2 and set lever axis 2
and wave washer !3 and nail lever
operation board 9 and set by 3.
™ Fix lever axis 2 by E ring !1.
™ Attach lever spring and tighten
with 1.
™ Raise frame, attach 6 knee lifter
lever to knee lifter lever !0 shaft,
and tighten it with 5.
™ Enter 4 snap pin.
Point
™ There should not be a play in the
axial direction of 2 knee lifter
lever shaft.
2 Knee lifter lever shaft
8 Knee lifter link asm
(claw lever plate)
7 Claw lever shaft
setscrew
SM5041255SN
3 Claw lever actuating plate
setscrew SM8040602TP
6 Knee lifter lever
5 Knee lifter lever shaft stop
plate setscrew
SM5040855SN
4 Knee lifter link snap pin
1 Knee lifter lever shaft spring setscrew
SM5030455SF
!0 Knee lifter
lever shaft
9 Claw lever
actuating plate
!1 Knee advance lever
axis fixation E ring
!2 Knee advance lever axis washer
!3 Wave washer
TL-98QE
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