13
mECHANICAL ADJUSTmENT
CLEARANCE BETWEEN NEEDLE AND HOOk
(ADJUSTmENT mETHOD NO. 1)
TO CHECk:
The clearance between the needle and shuttle race should be –0.05 to +0.10 mm.
If not, adjust as follows:
ADJUSTmENT PROCEDURE:
1. Remove the face cover (See page 4).
2. Set the pattern select dial at " ".
3. Loosen setscrew (A), and move the needle bar supporter in the direction of the arrows to get a clearance
between –0.05 to +0.10 mm.
* If clearance is too wide, move the needle bar supporter to
direction (B).
* If clearance is too narrow, move the needle bar supporter to
direction (C).
NOTE: After this adjustment, check that the clearance between the needle and needle plate
is more than 0.15 mm as shown in figure (D). If not, adjust the clearance between needle
and shuttle race by using adjustment method NO.2 (see next page). Readjust the clearance
between needle and needle plate more than 0.15 mm.
4. Attach the face cover.
Setscrew (A)
Direction (C)
Direction (B)
Needle bar supporter
–0.05 to +0.10 mm
Figure (D)
Clearance between needle and
needle plate should be at least 0.15 mm or more.
