19
TO CHECK:
1. REMOVE THE NEEDLE PLATE (A) AND BOBBIN HOLDER (B).
2. REMOVE THE FRONT COVER (SEE PAGE 7).
3. LOOSEN SETSCREW (E).
4. TURN THE LOWER SHAFT BUSHING (ECCENTRIC BUSHING) IN DIRECTION (C) WHEN THE PLAY AT
THE SHUTTLE HOOK TIP IS TOO LARGE.
5. TURN THE LOWER SHAFT BUSHING (ECCENTRIC BUSHING) IN DIRECTION (D) WHEN THE PLAY AT
THE TIP OF SHUTTLE HOOK IS TOO SMALL.
6. TIGHTEN THE SETSCREW (E).
7. ATTACH THE FRONT COVER.
8. INSERT THE BOBBIN HOLDER (B) AND ATTACH THE NEEDLE PLATE (A).
MECHANICAL ADJUSTMENT
BACKLASH (BETWEEN LOWER SHAFT GEAR AND SHUTTLE HOOK GEAR)
NEEDLE PLATE
SET SCREWS
HOOK
BOBBIN HOLDER (B)
GROOVE
SETSCREW (E)
LOWER SHAFT BUSHING
LOWER SHAFT GEAR
SHUTTLE HOOK
GEAR
L O W E R S H A F T B U S H I N G
(GROOVE POSITION)
TIP OF SHUTTLE HOOK
CHECKING SPACE FOR BACKLASH
NEEDLE PLATE (A)
(C)
(D)
Содержание 4052lx
Страница 1: ...SERVICE MANUAL 4052LX...
Страница 29: ...27 WIRING OF TERMINAL BLOCK RIDGE RIDGE FROM MOTOR FROM LAMP SOCKET...