JUKI TL-98Q - Page 18

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Disassembly
™ Remove washer, E-ring, eccentric
shaft and setscrews of 1 thread
trimmer solenoid link A.
™ Remove 1 thread trimmer
solenoid link A.
™ Remove three setscrews in thread
trimmer solenoid asm. to take it
out.
* It is easy to remove setscrews when
top end of thread trimmer auxiliary
link is moved to the right-hand side
of thread trimmer auxiliary cam.
Assembly
™ Attach thread trimmer solenoid
and temporarily tighten it with 3
setscrews.
™ Adjust clearance between pin at
top end of thread trimmer auxiliary
link and thread trimmer auxiliary
cam to 0.5 to 1.0 mm and securely
tighten 3 setscrews.
™ Fix 1 thread trimmer solenoid link
A with eccentric shaft, washer and
E-ring.
(See item 2 on page 23 and item 3-5
on page 24 for the adjustment.)
Point
™ Move thread trimmer solenoid
asm. to the left and right so that
pin at top end of thread trimmer
auxiliary link comes in contact with
thread trimmer auxiliary cam
when the solenoid performs
suction and securely tighten
setscrews.
* Solenoid has to properly work when
the solenoid performs suction.
4. Thread trimmer solenoid mas. asm.
Preparation
™ Remove outer components.
(Remove arm cover asm., belt cover, motor
cover and cord guide.)
™ Remove solenoid cover.
™ Remove washer, E-ring and eccentric shaft of
thread trimmer solenoid link A.
3 Thread trimmer solenoid
mas. asm. setscrew
SM5040655SN
5 Moving knife
roller arm
4 Moving knife arm
1 Thread trimmer
solenoid link A
Washer and E-ring
3. Moving knife base mas. asm.
Preparation
™ Remove bed cover.
™ Remove throat plate asm.
Disassembly
™ Remove 1 E-ring and raise
frame.
™ Remove two 2 setscrews.
™ Bring 3 feed dog to its highest
position.
™ Raising moving knfe base by
hand, lightly press moving knife
link A from upper side.
(Release coupling.)
Assembly
™ Attach moving knife base to frame
while setting moving knife base to
moving knife link shaft A.
™ Temporarily tighten 2 setscrews.
™ Push moving knife base in the
direction of right rear 45˚ and
securely tighten it.
™ Tilt frame, set moving knife link
shaft A and enter 1 E-ring.
Point
™ When assembling, it is better to
raise by finger moving knife link
A from below.
1 Moving knife link
shaft A E-ring
2 Moving knife
base mas. asm.
setscrew
SM4040855SP
3 Feed dog
Eccentric shaft setscrew