Bernina dcet 2500 - Manual (Page 17)

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1999 BERNINA of America page 17
T
O REPLACE THE LOWER
K
NIFE
:
D
O THIS ONLY WHEN NECESSARY
, NOT
DURING YOUR
N
EW
O
WNER
’
S CLASSES
.
• Turn the serger off and unplug the Power Cord from the machine.
• Rotate the Handwheel until the Needles are in their highest position.
• Raise the Presser Foot.
• Swing the Presser Foot to the left.
• Open the Looper Cover.
• Rotate the Upper Knife up.
• With the tip of your finger, assess the level of the Lower Knife in relation to the
Throat Plate.
• Locate the Set Screw and Clamp holding the Lower Knife in place.
• Loosen the Set Screw and Clamp.
• Rotate the Clamp out of the way.
• Remove the damaged/dulled Lower Knife Blade.
• Insert a new Lower Knife Blade into the Groove.
• Rotate the Clamp into position.
• Snug the screw to hold the Knife in place.
• With the tip of your finger, access the level of the Lower Knife in relation to
the Throat Plate. Slide the Lower Knife up/down until the upper edge of the
Knife is correctly positioned in relation to the Throat Plate.
• Tighten the Set Screw.
• Check the upper edge of the Knife to see that it hasn’t shifted.
• Return the Presser Foot to the sewing position.
• Rotate the Upper Knife down into Cutting Position.