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SEWING MACHINE DIV. 20 MODEL 385.19001890
MECHANICAL ADJUSTMENT
OVER LOAD (2)
ADJUSTMENT PROCEDURE:
LOWER SHAFT
I. LOOSEN THE2 SCREWS (A).
2. SLIDE THE LOWER SHAFT RING (B) TO THE LEFTSO THEREIS NO PLAY AND THE SHAFT
TURNS SMOOTHLY.
3. TIGHTEN THE 2 SCREWS (A). MAKE SURE THE LOWER SHAFT (C) HAS NO PLAY AND
TURNSSMOOTHLY BYTURNING THE LOWER SHAFTTIMING GEAR (D).
HOW TO INSTALLTHETIMING BELT:
1, TURN THE HANDWHEEL TOWARD YOU UNTIL THE NEEDLE BAR COMES TO ITSHIGHEST
POSITION.
TURNTHELOWER SHAFTTIMING GEAR (D) TOWARD YOU UNTILTHEFEEDDOG (E) COMES
JUSTABOVE THENEEDLE PLATE(F) IN ITSUPWARD MOTION.
THEN, ATTACH THETIMING BELT(G).
* MAKE SURETHEMARKING ON THETIMING BELT(G) ISIN LINE WITHTHATOF THE LOWER
SHAFTTIMING GEAR (D).
2. CHECK THE "NEEDLE TO SHU_LE TIMING" (SEEP.28, 29)
3, AYrACH THE MOTOR BELT(H), BED COVER, BASE,BELTCOVER AND TOP COVER.
LOWER SHAFTRING (B)
Z
LOWER SHAFTTIMING GEAR (D)
FEED DOG (E) "_
NEEDLE _ SCREW (A)
PLATE(F) _
TIMING BELT(G)
MOTOR BELT(H)
LOWER SHAFT(C)
MARKING
43
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