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Alfa 3050 Manuel D'instructions page 18

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Dropping the Feed Dog
The feed dog can be lowered with the drop-feed lever
for sewing on buttons etc.
Shift the drop-feed lever to the right to lower the feed
dog.
Shift the lever to the left to raise the feed dog, it will
return to the up position when the machine is started.
NOTE:
The feed dog should be in the up position for regular
sewing. Turn the handwheel toward you to check if
the feed dog comes up after setting the lever in the
up position.
Changing the Presser Foot
Turn OFF the power switch before changing the foot.
Always use the proper foot for the selected pattern.
The wrong foot can cause the needle to break.
To snap off:
Raise the needle and presser foot.
Press the red button on the back of the foot holder
and the foot will drop.
To snap on:
Place the presser foot so the pin on the foot lies just
under the groove of the foot holder.
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Lower the foot holder to lock the foot in place.
Each foot is marked with a letter for identification.
Detaching and Attaching the Foot Holder
Turn OFF the power switch before detaching or
attaching the foot holder.
To detach:
Raise the presser bar and turn the setscrew
counterclockwise to remove the foot holder.
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To attach:
Align the hole in the foot holder with the threaded
hole in the presser bar and insert the setscrew
through the hole.
Tighten the setscrew by turning it clockwise.
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Down position
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Up position
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Feed dog
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Hand wheel
CAUTION:
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Red Button
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Groove
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Pin
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Identification Letter
WARNING:
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Setscrew
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Foot holder

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