TO ADJUST THE POSITION OF
THE 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 machine base.
2. Loosen the hexagonal socket screws A, 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 shown in Fig. 1.
3. Tighten the hexagonal socket screws A.
4. Turn the handwheel and bring the upper looper to the leftmost position.
5. Loosen the hexagonal 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.
6. Tighten the hexagonal socket screw.
7. Check the upper and lower loopers timing and the clearance between upper and lower loopers.
1.7 mm
O.L G05
Needle on the right
5 mm
4.8 to 5.2 mm
(Fig. 2)
Upper looper
Hexagonal socket screw
(Fig. 3)
(Fig. 1)
Upper looper shaft
Upper looper shaft guide
Upper looper
1.6 to 1.8 mm
Hexagonal socket screws A
18
Summary of Contents for 9002D
Page 1: ...SERVICING MANUAL 9002D ...
