– 105 –
❶
❶
❷
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 main shaft sprocket setscrews
❶
.
2) Face the flap section of the rear end of hook
driving shaft to the frame side, and insert hook
driving shaft positioning shaft
❷
(13704705)
supplied with the machine as accessories from
the hole on the machine bed side.
3) Turn the main shaft in the normal direction with
the hand pulley, set the needle bar to its upper
dead point, and tighten main shaft sprocket
setscrews
❶
.
4) Draw out hook driving shaft positioning shaft
❷
,
turn the main shaft in the normal direction with
the hand pulley, and confirm the timing of main
shaft and hook driving shaft.
❷
❷
Flat part at
the rear end
of the hook
driving shaft
Side face
of the bed
