Janome MC7700 QCP, Руководство по обслуживанию, Страница: 9 / 41

7
MECHANICAL ADJUSTMENT
NEEDLE DROP POSITION
WHEN THE STRAIGHT STITCH IS SELECTED, THE NEEDLE SHOULD BE AT THE CENTER OF THE HOLE OF
THE NEEDLE PLATE. WHEN THE MAXIMUM ZIGZAG WIDTH (7.0) IS SELECTED, THE DISTANCE BETWEEN THE
NEEDLE AND THE EDGE OF THE HOLE OF THE NEEDLE PLATE AT THE RIGHT AND LEFT NEEDLE
POSITIONS SHOULD BE 0.2 mmOR MORE AS SHOWN IN FIG. 2.
HEXAGONAL
SOCKET SCREW (A)
ECCENTRIC PIN (B)
THREADER
LEVER
FIG. 1.
1. OPEN THE FACE PLATE.
CHECK THE NEEDLE DROP POSITION ON THE
STITCH PATTERN ( ) AND ZIGZAG STITCH ( )
WITH MAXIMUM WIDTH.
2. LOOSEN THE HEXAGONAL SOCKET SCREW (A)
JUST ENOUGH TO TURN THE ECCENTRIC PIN (B).
ADJUST THE NEEDLE DROP POSITION BY
TURNING THE ECCENTRIC PIN. THE DIRECTION
OF THE ECCENTRIC PIN (B) SHOULD BE AS
SHOWN IN FIG. 1.
3. TIGHTEN THE HEXAGONAL SOCKET SCREW (A).
CHECK THE CENTER NEEDLE POSITION SENSOR.
(SEE PAGE 29)
4. CLOSE THE FACE PLATE.
HOLE OF NEEDLE PLATE
0.2 mm OR
MORE
0.2 mm OR
MORE
A=B
FIG. 2