Clearance Between Needle And Tip Of Hook Rotary - Janome 8050 Service Manual

CleaRanCe between needle and tiP of tHe RotaRy Hook
* the clearance between the needle and the point of hook ShoUld be –0.1 to +0.05 mm.
adjustment PRoCeduRe:
1. remove the needle plate and bobbin holder. attach the maSter needle. tUrn the
power Switch on and Set the zigzag width at maximUm.
2. remove the face cover.
3. looSen the SetScrew a (2 pcS.).
4. tUrn the handwheel toward yoU. adjUSt the clearance between the needle and the
tip of the rotary hook, by moving the hook baSe plate Up or down, to within –0.1 to
+0.05 mm at the left and right needle poSition.
5. tighten the SetScrew a (2 pcS.).
6. attach the face cover. remove the maSter needle. attach the bobbin holder and
needle pate.
7. check the clearance between the needle and the edge of the needle hole in the
needle plate (See page 10).
meCHaniCal adjustment
needle plate
needle bar SUpporter
adjUSting plate
bobbin holder
–0.1 to +0.05 mm
tip of hook
14
hexagonal Socket
Screw (a)