Kenmore 385.16677 - Manual (Page 81)

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.
(T) Upper knife
@ Hexagonal bolt
@ Stopper pin
(4) Lower knife
To attach :
1. Insert a 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 cufti^^^^
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 ithe:
upper knifgsiiiïBpSSW^ 1 .i;mm |3/64j'):from '
the edge,iÉil||ÿer knife as illuslraied
Then tigiilijihe hexagonapbolt funny.
4. Close the;ioo;per cover and ;side cover.
0.8 irim (3/64")
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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