JUKI TL-98Q Service Manual

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5. MAIN circuit board asm.
Preparation
™ Remove arm cover asm.
™ Remove MAIN circuit board case
cover and lamp connector.
Note) 3 Setscrew to set the
circuit board and cover to
circuit board case
Do not insert in the
reverse direction. (See
page 15.)
Do not loosen this
screw.
4. Bed cover mas. asm.
1. Motor asm. and
transformer asm.
Preparation
™ Remove arm cover asm.
™ Remove belt cover and
motor cover respectively.
Make a memorandum of
cord wiring.
PointDisassembly
™ Remove six 1 setscrews and
remove bed cover.
Assembly
™ Attach bed cover and tighten
setscrews.
1 Bed cover setscrew
SM5051255SN
1 Bed cover setscrew
Point
™ Read the note and understand it.
™ Ther are color indications on the
circuit board for inserting
connectors.
Disassembly
™ Remove 7 connectors of each
lead wire.
™ Cut 6 clip bands (3 places).
™ Remove 2 setscrews and 4
setscrew, and remove circuit board.
Assembly
™ Press play of circuit board to
attach circuit board to the front
side and tighten two setscrews.
™ Insert each lead wire into
connectors.
Point
™ Loosen 3 nuts to adjust motor
tension.
™ Belt tension : the belt should sag
3 to 4 mm when center of belt is
applied with 1.96N load.
Disassembly
™ Remove cord guide plate 5
setscrews and 5-1 in previous
item, and cut 6 clip band.
™ Loosen 4 cord presser.
™ Remove two 1 setscrews and
remove motor asm.
™ Remove two 2 setscrews and
remove transformer asm.
Make sure of wiring route.
Assembly
™ Attach transformer and tighten
3 setscrews.
™ Attach motor asm. and tighten
1 setscrews.
™ Fix it with 4 cord presser.
™ Attach cord guide plate asm. and
tighten 5 and 5-1 setscrew.
™ Connect cord guide plate and
cord.
Function Components
2 Power
transformer
setscrew
SM5040855SN
3 Motor setscrew nut
1 Motor asm.
setscrew
SM5050855SN
5-1
5 Cord guide
plate setscrew
SM5030655SN
4
2 MAIN circuit board case setscrew A
SL5030831SF
3 MAIN circuit board setscrew
4 MAIN circuit board case
setscrew B SM5031401SE
Porality exists.
Never loosen this screw.
6 clip band (3 places)

JUKI TL-98Q Specifications

General

Brand	JUKI
Model	TL-98Q
Category	Sewing Machine
Language	English