– 24 –
14. Position of threader support plate mas. asm. (TL-98Q)
How to adjust
™ Open face cover and remove arm cover asm.
1. Temporarily tighten 1 threader support plate mas.
asm. with setscrews.
2. Adjust 1 threader support plate mas. asm. so that
position of threader shaft is 10.5 mm, making needle
bar as reference. Then securely tighten setscrews
2 and 3.
15. Vertical position of threader hook (TL-98Q)
How to adjust
™ Open face cover.
(Perform confirmation with HAX1 #14 needle.)
1. Turn handwheel by hand to bring needle bar near to highest
point. Then stop needle bar at position where 1 needle bar
guide setscrew can be seen from adjustment hole of 2
threader support plate.
2. Press down 3 threader lever to lowest point and check that
clearance between top end of 4 threader hook and top end of
needle eyelet is 0 to 0.1 mm when 4 threader hook is turned.
3. Insert hexagonal wrench key (1.5 mm) from adjustment hole of
2 threader support plate and slightly loosen 1 needle bar
guide setscrew.
When hook is lower -> move needle bar guide upward and
temporarily tighten it.
When hook is higher -> move needle bar guide downward and
temporarily tighten it.
Perform adjustment while confirming position in terms of needle
eyelet.
When hook is out of place in lateral direction, perform correction
of bend of hook with tip of a thin screwdriver or the like, or
replace 4 threader hook with a new one.
4. When hook is adjusted to aforementioned position, securely
tighten setscrews.
Caution : Hook has to smoothly pass needles HAX1 and HLX5 #11 to #16.
2 Threader support plate
setscrew (upper)
3 Threader support plate
setscrew (lower)
1 Threader support
plate mas. asm.
1 Needle bar
guide setscrew
0 mm
3 Threader
lever
2 Threader
support plate
4 Threader hook
Needle bar
Threader shaft
10.5 mm
(15.675 mm)
To Next Page
Loading...
