8
CORRECTION OF NEEDLE POSITION MISALIGNMENT
Make adjustment in the procedure given below if the needle bar moves laterally upon change of
the zigzag width between “0” and “6.5” (maximum width) with the needle brought to the center
after the pattern selector dial is set at “ “ and the maximum zigzag width is selected.
(After the adjustment, check if the straight stitch “M” position is deviated in reference to the right
and left needle drop positions at the maximum zigzag width.)
(1) Remove the top cover (unit) and set the pattern selector dial at “ “ and select the
maximum zigzag width.
(2) Manually turn the balance wheel until the needle is brought to the center of the needle plate
hole.
(3) Loosen the set screws (A) and (B). The set screw (A) should be tightened temporarily after
loosening.
(4) Move the zigzag width crank base until the needle bar ceases to move laterally when the
zigzag width is changed between “0” and “6.5” (maximum width) and completely tighten the
set screws (A) and (B).
(5) Attach the top cover (unit).
(Note)
For removal and attachment of the top cover (unit), refer to page 2.
Summary of Contents for HD3000
Page 1: ...SERVICING MANUAL HD 3000...
