Height Of Needle Bar; General Mechanism; Height Of Presser Foot - JUKI TL-2010Q Service Manual

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 ±
0.1mm. (bushing : driving fit)

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 install-
ing plane of throat plate on frame to 17.8 ± 0.1 mm.
™ 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 nee-
dle 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.
3
A
17.8 ± 0.1 mm
2
17
–
Installing plane of throat plate on frame
Frame
Presser foot
Throat plate
–
Lower end face of needle bar
bushing
67.0 ± 0.1 mm
Top surface of throat plate
Needle bar
connection
setscrew
7.0±0.5 mm