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Replacing the Upper Knife
To remove:
1. Turn off the power switch and unplug the machine.
2. Open the looper cover and side cover.
3. Deactivate the upper knife.
4. Remove the hexagonal bolt, and remove the
upper knife.
Upper knife
Hexagonal bolt
Stopper pin
Lower knife
To attach:
1. Insert new upper knife into the groove of knife
holder and stopper pin, then tighten the
hexagonal bolt slightly.
2. Turn the upper knife holder to cutting position.
3. Turn the handwheel toward you until the upper
knife comes to its lowest position.
Loosen the hexagonal bolt, and adjust the
position of the upper knife so that the edge of the
upper knife overlaps 0.8 to 1.5 mm (3/64´´) from
the edge of lower knife as illustrated.
Then tighten the hexagonal bolt firmly.
4. Close the looper cover and side cover.
Cleaning Upper Knife Area
1. Turn off the power switch and unplug the machine.
2. Open the looper cover.
Remove the waste pieces to the front with a lint
brush or waste scraps.
*
You may use a vacuum cleaner to clean the upper
knife area or feed dog.
*
The lower knife will last over one year in normal
use. However, if you run over a pin or a hard
object, it may be required to replace both upper
and lower knives at the same time.
CARE OF YOUR MACHINE
1
2
3
4
0.8 ~ 1.5 mm (3/64˝)
1
3
4
2
1
4
2
3
Janome 3434D Instruction Manual
Janome Serger 3434D
www.toews.com
3434D Owners Manual/ User Guide
