Janome DC5100 - Clearance Between Needle and Hook

21
SEWING MACHINE MODEL DC5100
MECHANICAL ADJUSTMENT (4)
CLEARANCE BETWEEN NEEDLE AND HOOK
THE CLEARANCE BETWEEN THE TEST PIN AND THE TIP OF THE HOOK SHOULD BE BETWEEN –0.10
AND +0.05 MM.
PREPARATION:
1. TURN ON THE POWER SWITCH AND SET THE STITCH PATTERN TO MAXIMUM ZIGZAG WIDTH " ".
2. REMOVE THE NEEDLE PLATE (A) AND BOBBIN HOLDER (B), INSERT THE TEST PIN (C) INTO THE
NEEDLE BAR AND PUSH IT UP UNTIL IT STOPS, THEN TIGHTEN THE NEEDLE CLAMP SCREW.
3. REMOVE THE BED COVER (SEE PAGE14).
ADJUSTMENT:
1. LOOSEN THE SETSCREWS (D) AND (E), THEN LIGHTLY LOOSEN THE SETSCREW (F).
2. TURNING THE HANDWHEEL TOWARD YOU SLOWLY BY HAND, MOVE THE HOOK SETPLATE UP OR
DOWN TO ADJUST THE CLEARANCE BETWEEN THE TEST PIN (C) AND THE POINT OF THE HOOK TO
-0.10 TO +0.05 MM. REPEAT THE PROCEDURE FOR BOTH THE LEFT AND RIGHT NEEDLE POSITIONS.
3. TIGHTEN THE SETSCREWS (D), (E) AND (F) SECURELY.
4. CHECK THE BACKLASH OF THE HOOK DRIVE GEAR AND THE LOWER SHAFT GEAR.
IF THE BACKLASH IS TOO LARGE OR SMALL, IT NEEDS TO BE ADJUSTED (SEE PAGE 22).
5. INSTALL THE BED COVER.
6. REMOVE THE TEST PIN (C), THEN INSTALL THE BOBBIN HOLDER (B) AND THE NEEDLE PLATE (A).
TEST PIN (C)
–0.10 TO +0.05MM
POINT OF HOOK
SETSCREW (F)
HOOK SET
PLATE
SETSCREW (D)
SETSCREW (E)
NEEDLE PLATE (A)
BOBBIN HOLDER (B)