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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