Silvercrest SON 90 A1 - Manual (Page 144)

Maintenance and Cleaning
Attention!
Before cleaning or carrying out maintenance, ALWAYS remove the plug
from the mains power socket. This prevents an unintended starting of the
machine. If you do not, you run a risk of serious injury!
Cleaning and lubrication
• Regularly remove dust and lint from the looper and blade areas.
For this you can use the supplied brush (Fig. 108).
• Wipe the machine with a lightly moistened cloth.
• Lubricate the machine regularly at the lubrication points shown on
Figure 109. For this use exclusively sewing machine oil.
Exchanging the lower blade
Attention!
Before changing the blade s ALWAYS remove the plug from the mains
power socket. This prevents an unintended starting of the machine. If you
do not, you run a risk of serious injury!
Change the lower blade s as soon as you notice that the lower blade s
no longer provides accurate and clean cuts. Use Figure 110 for assistance.
1. Open the front flap 0.
2. Adjust the upper blade i into the rest position (A).
3. Remove the screw on the lower blade s (B) and remove the blade s
(C) (Fig. 111).
4. Slide the new blade s into the retainer and then tighten it with the
screws.
5. Place the upper blade i in the work position and close the front flap 0.
Fig. 108
Fig. 109
Fig. 110
Fig. 111
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IB_64780_SON 90 A1_LB5 09.03.2011 16:22 Uhr Seite 142