Presser Bar - JUKI TL-2010Q Service Manual

4. Presser bar

Preparation
™ Remove arm cover asm.
™ Remove face plate mas. asm.
™ Remove presser foot and setscrew.
1 Presser bar connection setscrew
SM8060502TP
5 Presser bar connection asm.
Disassembly
™ Lower 8 lever and loosen 1 set-
screw.
™ D r a w i n g 3 u p w a r d , r e m o v e 4
spring.
™ Remove 5 connection and 6 lever.
™ Remove regulator 2 screw.
™ Do not remove 7 indicating needle.
3 is hard to remove since secrew
mark is attached.
5. Needle bar
Preparation
™ Remove arm cover asm.
™ Remove face plate mas. asm.
™ Remove presser bar.
™ Remove needle bar threading
guide as well.
Disassembly
™ Remove 3 and 4 .
™ Remove 1 felt. (Push up needle
bar upper bushing 1 felt with 5
and draw it out.)
™ Loosen setscrew of 2 and 6 .
(Pushing needle bar 5 upward is
acceptable.)
™ Draw out 5 upward.
™ Remove left 6 screw and remove
crank rod.
4 Presser spring
6 Presser bar lifting lever
8 Hand lifter lever
3 Presser bar
™ Attach regulator 2 screw.
™ Set 6 lever to frame, and then
set 5 connection.
™ Attach 4 spring when setting
3 presser bar from upper side.
Needle bar crank
left screw
5 Needle bar
™ Attach crank rod and tighten it with
6 .
™ Perform positioning of needle bar
and tighten needle bar connection
2 setscrew.
™ Set needle bar and attach 4 and
3 .
™ Insert 1 into hole.
™ Temporarily tighten 6 , and perform
adjustment of vertical height after
attaching threader support plate
asm.
2 Presser spring regulator
Assembly
1 Needle bar upper bushing felt
6 Needle bar threader guide setscrew
3 Needle bar thread bracket
setscrew A1420-001-000
4 Needle clamp
Assembly
7
– –
Threader support plate
setscrew (upper)
SL5040631SE
7 Indicating needle of
presser spring regulator
Threader support plate mas. asm.
Threader support plate
setscrew (lower)
SM4040655SN
Point
™ Set 4 spring under 7 indicating
needle.
™ Lower 8 lever 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 7.
™ Needle should not interfere with
presser foot.
2 Needle bar connection setscrew
SM8060510SP
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 7 for the
adjustment.
™ See item 5 on page 22 for
height adjustment of threader
hook of threader support plate
mas. asm.