9
TO ADJUST THE HOOK TIMING
When pattern #2 ( ) is selected, the amount of ascending travel of the needle bar from its
lowest position to the position where the tip of the rotary hook exactly meets the right side of
the needle should be 3.25 to 3.55 mm.
1.
Remove the belt cover, bed cover, base cover and base lid (see page 4, 5, 6).
2.
Turn on the power switch and select pattern #2 ( ).
3.
Press the STITCH LENGTH / STITCH WIDTH key ( ) and set the needle position to 0.0
on the touch panel.
4.
Turn the hand wheel toward you, and set the needle bar to the lowest position.
5.
In this condition:
•
If the setting mark on the feed lift cam is right under the center of the lower shaft (Fig. 1),
loosen the two setscrews on the lower shaft gear (Fig. 2).
•
If the setting mark is not right under it, loosen the two setscrews on the lower shaft timing
gear (Fig. 3).
6.
Raise the needle bar 3.4 (± 0.15 mm) from the lowest position.
7.
Turn the lower shaft gear until the point of the hook meets with the right side of the needle,
and tighten the two set screws on the lower shaft gear or the lower shaft timing gear.
8.
Attach the belt cover, bed cover, base cover and base lid (see page 4, 5, 6).
Summary of Contents for MEMORY CRAFT 9000
Page 1: ...1 SERVICING MANUAL...
