– 96 –
1
1
2
WarNING :
turn oFF the power before starting the work so as to prevent accidents caused by abrupt start of
the sewing machine.
1-3. adjusting the timing of main shaft and hook driving shaft
1) Loosen four man shaft sprocket setscrews
1
.
2) Face the flap section of the rear end of hook
drvng shaft to the frame sde, and nsert hook
drvng shaft postonng shaft
2
(13704705)
suppled wth the machne as accessores from
the hole on the machne bed sde.
3) Turn the man shaft n the normal drecton wth
the hand pulley, set the needle bar to ts upper
dead pont, and tghten man shaft sprocket
setscrews
1
.
4) Draw out hook drvng shaft postonng shaft
2
,
turn the man shaft n the normal drecton wth
the hand pulley, and confirm the timing of main
shaft and hook drvng shaft.
2
2
Flat part at
the rear end
of the hook
driving shaft
Side face
of the bed