To Adjust The Backlash Of Hook Drive And Lower Shaft Gears - Janome MC6600 Service Manual

TO ADJUST THE BACKLASH OF HOOK DRIVE AND LOWER SHAFT GEARS

THE GEARS TURNS SMOOTHLY AND ROTARY PLAY OF THE HOOK SHOULD BE 0.8 MM
OR LESS (F) WHEN THE TIP OF HOOK (E) IS WITHIN THE WIDTH OF THE FEED DOG (C) AS
SHOWN BELOW.
LOWER SHAFT BUSHING
B
HEXAGONAL SOCKET SCREW (D)
WIDTH OF THE FEED DOG (C)
A
TIP OF HOOK (E)
0.8 MM OR LESS
1 REMOVE THE MACHINE BASE (REFER TO PAGE 2)
2 REMOVE THE NEEDLE, NEEDLE PLATE AND BOB-
BIN HOLDER.
3 LOOSEN THE HEXAGONAL SOCKET SCREW (D).
4 IF THE BACKLASH IS TOO MUCH, TURN THE
LOWER SHAFT BUSHING IN DIRECTION A.
IF THE BACKLASH IS TOO LITTLE, TURN THE
LOWER SHAFT BUSHING IN DIRECTION B.
5 TIGHTEN THE HEXAGONAL SOCKET SCREW (D).
6 ATTACH THE NEEDLE, NEEDLE PLATE AND BOB-
BIN HOLDER.
7 ATTACH THE MACHINE BASE.
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