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General Mechanism
1. Height of needle bar bushing
™ Set dimension from top surface of throat plate to
lower end face of needle bar bushing to 67.0 ±
0.1 mm (TL-98Q) / 67.2 ± 0.1 mm (TL-98QE).
2. Height of needle bar
™ Lower dead point of needle bar.
™ Attach length gauge (needle) of #14 needle to needle bar, and adjust dimension from tip of needle to installing
plane of throat plate on frame to 17.8 ± 0.1 mm (TL-98Q) / 18.1 ± 0.1 mm (TL-98QE).
™ Perform adjustment with needle bar connection setscrew.
Position of standard
Upper engraved line A on needle bar aligns with
bottom end of 3 needle bar bushing when needle
bar is at lower dead point.
3. Height of presser foot
™ Adjust the height in the state that hand lifter lever
is raised.
™ Clearance provided between top surface of throat
plate and lower face of presser foot is 7.0±0.5 mm.
™ Perform adjustment with presser bar connection
setscrew.
Lower end face of needle
bar bushing
Top surface of throat plate
TL-98Q : 67.0 ± 0.1 mm
TL-98QE : 67.2 ± 0.1 mm
Needle bar
connection
setscrew
2
3
A
Frame
Installing plane of throat plate on frame
Throat plate
Presser foot
7.0±0.5 mm
TL-98Q : 17.8 ± 0.1 mm
TL-98QE : 18.1 ± 0.1 mm