Adjustment Of Bobbin Thread Tension; Position Of Bobbin Winder Clutch - JUKI TL-2010Q Service Manual

11. Adjustment of bobbin thread tension

How to adjust
Adjust with adjusting screw so that bobbin thread
tension when spun thread #60 is used becomes
0.176±0.02N.

12. Position of bobbin winder clutch

™ Remove belt cover.
How to adjust
1. Bobbin winder OFF state
Turn 3 thread trimmer clutch plate link collar and adjust so that a clearance of 2±0.5 mm is provided be-
tween 1 bobbin winder clutch plate and 2 clutch plate spring support, and temporarily tighten 4 setscrew.
2. Bobbin winder ON state
Make sure that bobbin winder clutch plate comes in contact with inner ring of clutch plate spring support and
securely tighten thread trimmer clutch plate link collar setscrew.
Bobbin winder shaft
base adjusting plate
1 Bobbin winder
clutch plate
Bobbin winder OFF
4 Link collar setscrew
3 Thread trimmer
clutch plate link
collar
2±0.5 mm
Bobbin case
2 C l u t c h p l a t e
spring support
20
– –
Adjusting screw
Bobbin thread
Bobbin winder ON
To come in contact with each other