– 7 –
4. Presser bar
Preparation
™ Remove arm cover asm.
™ Remove face plate asm.
™ Remove presser foot and setscrew.
5. Needle bar
Preparation
™ Remove arm cover asm.
™ Remove face plate mas. asm.
™ Remove presser bar.
Disassembly
Lower lever of 8 and loosen
setscrew of 1.
Remove regulator screw of 2.
Drawing 3 upward, remove spring of
4.
Remove connection of 5 and lever
of 6.
Do not remove indicating needle of
7.
3 is hard to remove since secrew
mark is attached.
Assembly
™ Set lever 6 to frame, and then set
connection 5.
™ Attach spring 4 when setting
presser bar 3 from upper side.
™ Attach regulator screw 2.
Point
™ Set spring 4 under indicating
needle 7.
™ Lower lever 8 and temporarily
tighten it at the position where top
end of 3 protrudes approximately
4 mm from frame.
For the adjustment, see item 3 on
page 17.
™ Needle should not interfere with
presser foot.
Disassembly
Remove 3 and 4.
Remove felt of 1.
Loosen setscrew of 2. (Pushing
needle bar 5 upward is acceptable.)
Draw out 5 upward.
Remove left screw of 6 and remove
crank rod.
Assembly
™ Attach crank rod and tighten it with
6.
™ Perform positioning of needle bar
and tighten needle bar connection
setscrew 2.
™ Set needle bar and attach 4, 3
and 7.
Point
™ Position of needle bar is the place
where upper engraved line of
needle bar is aligned with lower
end face of needle bar bushing at
the needle lower dead point.
See item 2 on page 16 for the
adjustment.
6 Needle bar crank left screw
5 Needle bar
1 Needle bar upper
bushing felt
2 Needle bar connection setscrew
SM8060510SP
4 Needle clamp
3 Needle bar thread bracket
setscrew A1420-001-000
7 Needle mis-insertion preventing plate
6 Presser bar lifting lever
8 Hand lifter lever
3 Presser bar
2 Presser spring regulator
7 Indicating needle of
presser spring regulator
4 Presser spring
5 Presser bar connection
asm.
1 Presser bar connection
setscrew
SM8060502TP
To Next Page
Loading...
Need help?
General
