To Adjust The Position Of Upper Looper - Janome 1110DX PRO Service Manual

TO ADJUST THE POSITION OF UPPER LOOPER

Correct Setting:
When the upper looper is at the leftmost position, the distance between the center of needle on the right and
the center of looper eye should be 4.8 to 5.2 mm.
To adjust:
1. Remove the base plate.
2. Make sure that the marking- off line on the upper looper drive cam is in line with the one on the main
shaft.
3. Loose the hexagonal socket screw, and adjust the distance between upper looper shaft guide and bottom
of upper looper. The distance should be 1.6 to 1.8 mm when the upper looper is at the lowest position as
show in Fig.1.
4. Tighten the hexagonal socket screw. Be careful not to tighten too much, otherwise the upper looper driv-
ing arm will be cracked.
5. Turn the balance wheel and bring the upper looper to the leftmost position.
6. Loose the hexagon socket screw, and adjust the distance between the center of needle and center of
upper looper eye as shown in Fig.2 and Fig.3.
7. Tighten the hexagon socket screw.
8. Check the upper and lower loopers timing and clearance between upper and lower loopers.
Upper looper
1.6 to 1.8 mm
Upper looper shaft guide
Upper looper driver shaft
Hexagonal socket screw
Spreader base
Upper looper
21
4.8 to 5.2 mm
(Fig. 2)
Setscrew
Setscrew
(Fig. 3)