Riccar Serger Instruction Manual page 21

changing the lower knife
Exchange the Lower Knife as shown below when it becomes dull. An extra knife is provided in the Accessory Box.
1. Unplug the machine.
2. Open the front cover.
3. Raise the upper knife as illustrated below.
a. Turn hand wheel towards you until b. Push the upper knife holder to the right as far as it
the upper knife is at its lowest point will go and turn knob in opposite direction until it
clicks into position.
4. Loosen the Lower Knife Screw and take out the
knife.
5. Install new knife by inserting it into the groove of the
knife holder. Be sure that the tip of the lower knife is
lined up with the surface of Throat Plate, and tighten
screw.
6. Return the Upper Knife to cutting position by
pushing knife holder to right and turning knife
toward you until it clicks into position. Close the
front cover.
The upper knife is made of special hard material and
should not require replacement under normal use. If it
should chip or need replacement, call for your dealer.
changing the sewing light
If the sewing light does not light when power switch is
turned on. replace the bulb.
1. Unplug sewing machine from the wall receptacle.
2. Remove the Light Cover by loosening the screw.
3. Remove the bulb.
4. Replace with new bulb of same size wattage and
size.
5. Replace the Light Cover.
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