Gritzner 1002 - Adjustment of the Needle Entry Points in the Needle Slot

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4. Adjustment of the needle entry points in the needle slot
Requirement:
The needle entry points at the widest zigzag stitch setting must be at the same distance from the left and
right side of the needle plate (fig. 4b).
At the settings for straight stitch and “middle” needle position the needle must enter exactly in the center.
At “left” needle position there must be a clearance of 0.3 to 0.5 mm between the needle and the left edge
of the needle slot (fig. 4c).
These three needle positions must be balanced out with each other.
Check:
● Remove the presser foot shoe.
● Set the widest zigzag stitch (fig. 4).
● Turn the handwheel and check right and left clearance.
● Set straight stitch at “middle” needle position.
● Check needle entry point in the center of the needle hole slot.
● Set straight stitch at “left” needle position and check the clearance of 0.3 to 0.5 mm.
Adjustment:
● Remove the presser foot holder.
● Fold up the carrying handle.
● Turn out both arm cover retaining screws and remove arm cover.
● Loosen both face cover retaining screws and remove face cover.
● Set the widest zigzag stitch.
● Loosen screw 10 using a 7 mm wrench, until the needle bar frame stop 11 can be moved (fig. 4d).
● Loosen screw 12 slightly with a 2.5 mm Allen key (fig. 4a).
● First turn eccentric 13 to the highest position; then, continue turning until both distances are equal.
● Set straight stitch alternately at “middle” and “left” needle position, check needle entry points and
adjust if necessary.
● Tighten screw 12
● Adjust needle bar frame stop 11 so that it does not strike against the needle bar frame 14 on left and
right of zigzag throw nor when control knobs are turned (fig. 4d).
● Tighten screw 10.
Test:
● Carry out as described in “check”.