Backlash(Lower Shaft Gear) - Kenmore 385.16231400 Service Manual

SEWING MACHINE DIV.20 MODEL 385. 16231300
MECHANICAL ADJUSTMENT
BACKLASH ( LOWER SHAFT GEAR )
TO CHECK:
1. REMOVE THE NEEDLE PLATE AND BOBBIN HOLDER.
2. TURN THE HANDWHEEL SLOWLY TOWARD YOU UNTIL THE TIP OF THE SHUFFLE
HOOK (A) IS BETWEEN BOTH ENDS (B) OF THE FEED DOG.
3. ROTATE THE HOOK RACE CLOCK3NISE AND COUNTER CLOCKWISE BY HAND, AND
CHECK THE PLAY. IT SHOULD BE WITHIN 0.8 MM (0,03").
* IF THERE IS MORE THAN A 0.8 MM (0.03") BACKLASH BETWEEN THE GEARS,
ADJUST AS FOLLOWS.
ADJUSTMENT PROCEDURE:
1. REMOVE THE BED COVER (SEE P.7), AND LOOSEN HEXAGONAL SOCKET SCREW
(c).
2. TURN THE LOWER SHAFT BUSHING (ECCENTRIC BUSHING) (D) IN DIRECTION (E)
WHEN THE PLAY AT THE SHU1-FLE HOOK TIP IS TOO SMALL.
3. TURN THE LOWER SHAFT BUSHING (ECCENTRIC BUSHING) (D) IN DIRECTION ( F )
WHEN THE PLAY AT THE SHUFFLE HOOK TIP IS TOO LARGE.
4. TIGHTEN HEXAGONAL SOCKET SCREW ( C ) SECURELY AFTER ADJUSTMENT.
°
(4)
THE PLA Y
LOWER SHAFT GEAR
GRO0 VE OF L O WER SHAFT B USH/AIG
(F) (E)
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