Needle To Hook Timing - Janome MS5027PR Service Manual

NEEDLE TO HOOK TIMING

* WHEN THE MACHINE IS SET THE STRAIGHT STITCH PATTERN "
THE AMOUNT OF ASCENDING TRAVEL OF THE NEEDLE BAR FROM ITS LOWEST POSITION TO
THE POSITION WHERE THE TIP OF THE HOOK MEETS THE RIGHT SIDE OF THE NEEDLE
SHOULD BE 3.25 - 3.55 MM.
ADJUSTMENT PROCEDURE:
1. REMOVE THE NEEDLE PLATE AND BOBBIN HOLDER.
2. TURN ON THE POWER SWITCH, SET THE STRAIGHT STITCH PATTERN "
POSITION).
3. REMOVE THE BED COVER (SEE PAGE 8).
4. TURN THE HANDWHEEL TOWARD YOU, AND SET THE NEEDLE BAR AT THE LOWEST POSITION.
5. LOOSEN THE SETSCREW (A) AND (B) ON THE LOWER SHAFT GEAR.
6. RAISE THE NEEDLE BAR 3.4 MM FROM THE LOWEST POSITION OF THE NEEDLE BAR.
7. TURN THE LOWER SHAFT GEAR UNTIL THE TIP OF HOOK MEETS WITH THE RIGHT SIDE OF
NEEDLE.
8. TIGHTEN THE SETSCREW (A) AND (B) ON THE LOWER SHAFT GEAR.
9. ATTACH THE BED COVER, BOBBIN HOLDER AND NEEDLE PLATE.
MECHANICAL ADJUSTMENT
NEEDLE PLATE
BOBBIN HOLDER
NEEDLE #14
LOWER SHAFT GEAR
MATCH THE TIP OF HOOK AT
THE RIGHT SIDE OF NEEDLE
LOWER NEEDLE POSITION
23
MS5027PR
" (LEFT NEEDLE POSITION),
" (LEFT NEEDLE
(A)
(B)
3.25-3.55 MM