Janome MyLock 744 Servicing Manual page 17

TO ADJUST THE CLEARANCE BETWEEN
1. Change the right needle from #11 to #14.
2. Push the right needle by the front needle guard to adjust the cIearance between the needle
and the lower looper. The cIearance should be 0 mm to 0.05 mm.
3. Attach #14 needle on the left needle position and turn the handwheel toward you to check the
clearance between the left needle and looper.
Make sure the front needle guard is touching the needle slightly and the rear needle guard is
not touching the needle.
4. Check the timing between the needle and the lower looper.
5. Recheck the needle bar height and the clearance between the needle and the lower looper.
Needle #14
Front needle guard
(Rear needle guard is not touching the needle.)
THE NEEDLES AND THE LOWER
LOOPER/NEEDLE GUARDS
0 to 0.05 mm
Lower looper
Rear needle guard
0 to 0.2 mm
Front needle guard
15
(3 of 3)
Hexagonal
socket screws A
Rear needle guard