Handwheel And Clutch - JUKI TL series Service Manual

2. Handwheel and clutch

Preparation
○ Remove belt cover.
○ Remove arm cover.
When removing motor
pulley, remove cord guide
plate setscrews ❺ and
❺ -1 in previous item.
Disassembly
○ Remove ❶ setscrew.
○ Remove cord guide plate setscrew
and remove cord guide plate asm.
○ Remove ❸ spring support.
○ Move ❹ in the direction where
clutch spring is released and re-
move clutch spring.
○ Face ❻ to motor side and ❽ is
hard to drop.
○ Draw out ❽ and remove ❾ .
3. Thread tensioner asm.
Disassembly
○ Remove ❶ setscrew.
○ Lower presser foot and remove
❷ setscrew.
○ Remove ❸ spring together with
❹ thread tensioner asm. and ad-
justing plate.
❼ Convex of handwheel bushing
❾ Motor pulley
❶ Handwheel
setscrew
❷ Handwheel
○ Attach ❾ and enter ❽ .
○ Enter ❻ groove of bushing to ❽
stopper pin and attach bushing.
○ Enter ❺ hook portion of spring
to slit in the center of handwheel
bushing
○ Enter ❺ clutch spring to ❸
groove of spring support and at-
tach cord guide plate asm. Then
tighten setscrew.
❸ Thread take-up spring
❹ Thread tensioner asm.
❺ Thread tension disk presser
❷ Thread tensioner setscrew
SM8040602TP
○ Attach ❻ adjusting plate and ❸
spring to thread tensioner asm.
and attach it to frame. Then fix it
with ❷ setscrew.
○ Tighten ❶ adjusting plate set-
screw.
 Groove of handwheel
❸ Groove of clutch spring support
❽ Handwheel bushing stopper pin
Assembly
❶ Thread take-up spring
adjusting plate setscrew
SL5030801SN
Assembly
6
– –
❻ Groove of
handwheel bushing
❺ Hook portion of clutch spring
❹ Angle portion of clutch spring
Point
○ Align ❼ convex of bushing
with  groove of handwheel
and attach handwheel. Then
tighten setscrew.
○ Clearance provided between
convex of ❸ clutch spring sup-
port and clutch plate is 2 ± 0.5
mm.
○ See item 12 on page 19 for ad-
justment.
❻ Thread take-up
spring adjusting
plate
Point
○ Place upward the scale of ❺
thread tension disk presser.
○ See items 9 and 10 on page 19
for adjustment of pressure and
thread take-up spring of stroke.