– 10 –
12.Knee lifter lever
Preparation
™ Remove outer components.
(Excluding belt cover and motor cover)
™ Raise presser foot.
Disassembly
Remove snap pin of 4.
Remove setscrews of 5 and remove
6.
Remove setscrew of 1 and take out
lever spring.
Lower 2 and turn it to the position
where 3 can be removed.
Remove 3 and actuating plate, and
draw out 2.
Remove claw lever shaft setscrew of
7.
Remove link asm. of 8.
Assembly
™ Attach 8 to frame and tighten
setscrews 7.
™ Set lever shaft 2, attach claw
lever actuating plate and tighten
it with 3.
™ Attach lever spring and tighten
with 1.
™ Raise frame, attach knee lifter
lever 6 and tighten it with 5.
™ Enter snap pin 4.
Point
™ There should not be a play in the
axial direction of knee lifter lever
shaft 2.
Note) 1 to 3 may be deleted.
Disassembly
Remove nut of 1 (left side only).
Remove setscrew of 2 and remove
tube presser.
Remove setscrews of 3 and remove
wire holder mas. asm.
When removing the wire from
frame, make sure of wire route in
frame.
Assembly
™ Lay wire in frame.
™ Assemble wire holder mas. asm.
and tighten with setscrews 3.
™ Fix 2 and 1 in the reverse side
of machine bed.
Point
™ Pass the wire through full reverse
side of stitch dial.
™ Contact 4 and 5 with each other.
™ Tube presser and tube regarding
2 should be on the same face.
See item 5 on page 23 for 1.
1 Knee lifter lever shaft spring setscrew
SM5030455SF
6 Knee lifetr lever
5 Knee lifter lever shaft stop
plate setscrew
SM5040855SN
4 Knee lifter link snap pin
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
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