JUKI TL Series, Service Manual

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 10 

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12. Knee lifter lever

Preparation

○ 

Remove outer components.

   (Excluding belt cover and motor cover)

○ 

Raise presser foot.

❷

 Knee lifter lever shaft

❽

 Knee lifter link asm

  (claw lever plate)

❼

 Claw lever shaft 

setscrew

 SM5041255SN

❸

 Claw lever actuating plate 

setscrew  SM8040602TP

❻

 Knee lifter lever

❺

 Knee lifter lever shaft 

stop plate setscrew

 SM5040855SN

❹

 Knee lifter link snap pin

❶

 Knee lifter lever shaft spring setscrew

 SM5030455SF

 Knee lifter 

lever shaft

❾

 Claw lever  

actuating 

plate

Disassembly

Assembly

Point

○

 Remove 

❶

 nut (left side only).

○

 Remove 

❷

 setscrew and remove 

tube presser.

○

 Remove 

❸

 setscrews and remove 

wire holder mas. asm.

○

 Remove setscrew in thread release 

❻

 plate shaft and remove thread re-

lease 

❹

 plate.

 When removing the wire from frame, 

make sure of wire route in frame.

○

  Lay wire in frame.

○

  Connect thread release 

❹

plate with disk pressure re-

lease connecting 

❺

 link.

○

  Assemble wire holder mas. 

asm. and tighten with 

❸

 set-

screws.

○

 Fix 

❷

 and 

❶

 in the reverse 

side of machine bed.

○

  Pass the wire through full re-

verse side of stitch dial.

○

 Contact 

❹

 and 

❺

 with each oth-

er.

○

 For 

❷

, tube has to come out by 

13 mm from tube presser.

○

  Tube presser and tube regarding 

❷

 should be on the same face.

  See item 5 on page 28 for 

❶

.

Disassembly

Assembly

Point

○

  Remove snap 

❹

 pin.

○

 Remove 

❺

 setscrews and remove 

❻

.

○

 Remove 

❶

 setscrew and take out le-

ver spring.

○

 Lower 

❷

 and turn it to the position 

where 

❸

 can be removed.

○

 Remove 

❸

, remove claw lever actu-

ating plate, and draw out 

❷

.

○

  Remove claw lever shaft 

❼

 setscrew.

○

 Remove 

❽

 link asm..

○

 Attach 

❽

 to frame and tighten 

❼

 set-

screws.

○

 Set 

❷

 lever shaft, attach 

❾

 claw lever 

actuating plate and tighten it with 

❸

.

○

  Attach lever spring and tighten with 

❶

.

○

  Raise frame, attach 

❻

 knee lifter lever 

to knee lifter lever 

 shaft, and tight-

en it with 

❺

.

○

 Enter 

❹

 snap pin.

○

  There should not be 

a play in the axial di-

rection of 

❷

 knee lifter 

lever shaft.

11. Wire holder

Preparation

○ Remove outer components.

   (Excluding belt cover and
   motor cover)

○ Remove presser bar.

❶

 Nut of setscrew

  (opposite side 9 mm)

 NS6620310SP 

❷

 Wire tube presser setscrew

 SM4040655SN

❸

 Wire holder setscrew

SM5040855SN

❺

 Disk pressure release 

connecting link

❹

 Thread release plate

❻

 Thread release plate shaft