Adjustments Of Components - JUKI TL-2010Q Service Manual

(Caution) Convex portion of connectors, CN7, CN8 and CN9 should be placed up.
CR1
〜
－
1
CN21
WHT
[5] ADJUSTMENT OF COMPONENTS
General mechanism
1. Height of neddle bar bushing ........................... 17
2. Height of needle bar ......................................... 17
3. Height of presser foot ....................................... 17
4. Height of feed dog ............................................ 18
5. Feed timing ....................................................... 18
6. Needle-to-hook timing ...................................... 18
7. Clearance between needle and hook ............... 18
8. Position of bobbin case positioning finger ........ 19
9. Stroke of thread take-up spring
(absorbing amount of thread) ........................... 19
10. Tension of thread take-up spring ........................ 19
11. Bobbin thread tension ...................................... 20
12. Position of bobbin winder clutch ....................... 20
13. Adjustment of bobbin winder ............................ 21
14. Position of threader support plate mas. asm. ... 22
15. Vertical position of threader hook ..................... 22
Connector insertion diagram
(FILTER circuit board)
CN22
－
〜
L1
C1
Convex portion
L2
C2
Automatic thread trimmer mechanism
1. Positioning of moving knife arm installing plate
(adjustment of position of moving knife) ........... 23
2. Installing position of thread trimmer solenoid
(moving amount of thread trimmer cam
contactor shaft) ................................................. 23
3. Thread trimmer cam timing
(needle-to-cam position) ................................... 24
4. Position and protruding amount of looper
(left/right position and adjustment of movement)
......................................................................... 27
5. Position of nut of wire setscrew
(adjustment of thread tension disk open/close)
......................................................................... 27
16
- -
ZNR1
CN23
1
BLU