MOVING CUTTER AND VERTICAL FEED TIMING 15b
Caution: The eccentric "7" is used for feed and moving cutter timing. See page 4.
1. Remove: Mains lead - Sewing foot - Machine base.
2. Check height and orientation of needle bar - height of feed dog. See page 6&14.
3. Turn the handwheel and bring the needle bar to its highest position. Check and make sure if
moving cutter and needle bar start simultaneously from their highest position.(Fig.1)
4. If necessary, turn the handwheel and bring needle bar to its lowest position. Then bring up
the needle bar to the lower edge of "R1" needle eye flush with the needle plate.(Fig.3)
Loosen both screws "a", align eccentric mark "A" with mark "B" and tighten both
screws. Recheck the above adjustments.(Fig.4)
Note: Make sure that the machine turns freely without any biding effect.
5. Height of moving cutter: Turn the handwheel to bring moving cutter to its lowest position.
Check to make sure that the tip of moving cutter blade is at 0.5mm below the fixed cutter.
(Fig.2) If necessary, loosen screw "c" and adjust height by sliding moving cutter "d" up
or down. Tighten screw "c" firmly and recheck its height.