Operation Manual
9-4
Changing the light bulb
Turn off the power switch
Remove the detachable thread stand (27).
Use the screwdriver from the accessories
box to remove the screw for the sewing
light cover (25). Remove the sewing light
cover.
Push the bulb as far as it will go into
the socket. This will force pin A slightly
upwards. Twist the bulb half a turn in
counterclockwise direction and pull it out.
Insert the new bulb (no more than 12V,
max. 5W) in the socket and twist in
clockwise direction until it is fully seated.
Replace the sewing light cover and tighten
the screw.
A
Tighten the upper knife
Turn off the power switch
Before sewing particularly heavy fabrics,
it is advisable to tighten the upper knife
(35). Raise the needle(s) to its/their highest
position and open the swivelling table.
Tighten the screw A fully with the allen
key. When you have fi nished sewing heavy
fabrics, you must always slightly loosen this
screw again.
Note: If the upper knife is
tightened, the seam width
cannot be altered.
A