11
MECHANICAL ADJUSTMENT
NEEDLE DROP
TO CHECK:
WHEN THE NEEDLE SWINGS IN MAXIMUM ZIGZAG WIDTH, THE DISTANCE BETWEEN
BOTH ENDS OF THE NEEDLE HOLE ON THE NEEDLE PLATE AND THE NEEDLE DROP
POSITIONS SHOULD BE EQUAL.
IF NOT, ADJUST AS FOLLOWS:
ADJUSTMENT PROCEDURE:
1.
REMOVE THE FACE COVER (SEE PAGE 4).
2.
SET THE PATTERN SELECTOR DIAL AT MAXIMUM ZIGZAG WIDTH.
3.
LOOSEN THE SETSCREW.
4.
TURN THE ECCENTRIC PIN TO ADJUST THE NEEDLE DROP.
5.
TIGHTEN THE SETSCREW.
6.
ATTACH THE FACE COVER.
NOTE: CHECK THE HOOK TIMING AFTER THIS ADJUSTMENT.
SETSCREW
ECCENTRIC PIN
BOTH CLEARANCE SHOULD BE EQUAL
BH LEVER
Summary of Contents for 415
Page 1: ...SERVICING MANUAL 419S 423S 415...
Page 26: ...24 WIRING FOR 110 120V FROM LAMP SOCKET FROM MOTOR FROM MOTOR FROM LAMP SOCKET FOR 220 240V...
Page 27: ...PARTS LIST MODEL 423S 419S...
Page 34: ...PARTS LIST 1 2 3 4 5 8 8 7 6 6 9 10 11 12 13 14 15 16 17 18 19 20 21 22 7...
Page 38: ...PARTS LIST 1 7 8 9 11 4 12 13 14 10 2 3 4 4 5 6 4 4 4 15 16 17 10 18 19 20 21 22 11...
Page 42: ...PARTS LIST 1 2 3 4 5 6 7 8 9 10 15...
