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SECTION IV. CARING FOR YOUR MACHINE
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 a new upper knife into the groove of
holder and stopper pin, then tighten the
hexagonal bolt slightly ............ .........
2. Turn the upper knife holder .....
3. Turn the handwheel toward
knife comes to its lowest PQii - .....
Loosen the hexagonal bolt, _ _ _djust the
position ofth#_ _N_e s : at:_heedge
upper kn 1
theedge:{j erkni{eas
Then tig6 be hex ........
4. Close cover 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.
* You may use a vacuum cleaner to clean the
upper knife area or feed dog.
* The lower knife should last for 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.
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