Clearance Between Needle And Hook (No.1) - Janome 2049 Service Manual

CLEARANCE BETWEEN NEEDLE AND HOOK (NO.1)

TO CHECK:
THE CLEARANCE BETWEEN NEEDLE AND THE SHUTTLE HOOK SHOULD BE BETWEEN
– 0.05 – +0.10MM.
IF NOT, MAKE THE FOLLOWING ADJUSTMENTS:
ADJUSTMENT PROCEDURE:
1. OPEN THE FACE COVER PLATE.
2. SET THE PATTERN SELECT DIAL "
3. LOOSEN THE SET SCREW (A), AND MOVE THE NEEDLE BAR SUPPORTER BACK OR
FORTH , TO GET A CLEARANCE BETWEEN –0.05 TO +0.10MM.
* WHEN THE CLEARANCE IS TOO WIDE, MOVE THE NEEDLE BAR SUPPORTER
TOWARD DIRECTION (B).
* WHEN THE CLEARANCE IS TOO NARROW, MOVE THE NEEDLE BAR SUPPORTER
TOWARD DIRECTION (C).
NOTE: AFTER THIS ADJUSTMENT, CHECK IF THE CLEARANCE BETWEEN THE
NEEDLE AND NEEDLE PLATE IS MORE THAN 0.15MM, AS SHOWN IN FIGURE
(D). IF NOT, ADJUST THE CLEARANCE BETWEEN THE NEEDLE AND THE
SHUTTLE HOOK BY USING THE ADJUSTMENT METHOD NO.2 ON PAGE 13.
AFTER READJUSTMENT, THE CLEARANCE BETWEEN THE NEEDLE AND
THE NEEDLE PLATE SHOULD BE MORE THAN 0.15MM.
MECHANICAL ADJUSTMENT
SET SCREW A
NEEDLE BAR SUPPORTER
–0.05-+0.10MM
", WIDTH SELECTOR DIAL " 5 ".
DIRECTION C
DIRECTION B
CLEARANCE BETWEEN THE NEEDLE
16
FIGURE D
AND THE NEEDLE PLATE IS
MORE THAN 0.15MM