Janome Horizon MC8900 QCP Special Edition, Руководство по обслуживанию

Страница: 15 / 39

13
To adjust:
1. Attach the needle #14.
2. Turn the power switch ON. Select straight stitch.
Check that the needle drop position is centered
when the drop position is set at "4.5", and the
clearance between the side of the needle and the
needle hole is 0.2 mm or more when the needle
position is set at "0.0" and "9.0" (see fig. 1).
If this is not the case, adjust as follows;
3. Lower the needle threader until the hexagonal socket
screw shows up (see fig. 3).
Loosen the hexagonal socket screw. Turn the
eccentric pin to adjust the needle drop position.
The direction of eccentric pin should be as shown as
fig. 2.
4. Tighten the hexagonal socket screw.
Check the hook timing and the needle bar height after
this adjustment (see page 15 and 16).
Mechanical adjustment
Needle drop position
When the straight stitch is selected, the needle should be positioned in the center of the needle plate hole.
When the needle drop position is set at "0.0" and "9.0", the clearance between the side of the needle and the needle
hole should be 0.2 mm or more.
Hexagonal
socket screw
Eccentric pin
Needle hole
0.2 mm or more 0.2 mm or more
A = B
Hexagonal
socket screw
Eccentric pin
Needle threader
Needle threader
“9.0”
“0.0”
Needle drop position "4.5"
Fig. 1
Fig. 2
Fig. 3