Question about PfaFF Quilt & Craft Pro 7530
Anyone know the size of Allen wrench to use to replace needle on Pfaff 794 serger?
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Posted on Jan 02, 2017
There are two holes running vertically inside the needle arm.........the needles are held firm by very small screws or hex allen keys.........they may have worked loose over time, if they have fallen out and been lost, it is a call to your local Pfaff dealer for advice......be sure to quote model number.
Your User manual may have a diagram to assist.
Have you ever changed the needles since buying this machine ??
Needles ought to be changed every 6 - 8 hrs of sewing, and more often with heavy or abrasive fabric.
Posted on Nov 15, 2008
SOURCE: Pfaff hobbylock 794
The needles are changed by inserted the hex wrench into what looks to be holes on the front and left side where the needles go into the machine.I'm not sure what size the hex wrench is but it's pretty small. From the manual,
"Removing Needle: Unplug the machine. Turn the handwheel counterclockwise to raise the needle bar to its highest position. Loosen the needle clamp with the allen wrench and pull the needle out." and
"Inserting needle: When the neddle bar is at the highest position, insert a new needle in the needle holder, making sure that the groove of the needle faces you. Push the needle as far up as it will go and tighten the needle clamp screw." "Removing Needle: Unplug the machine. Turn the handwheel counterclockwise to raise the needle bar to its highest position. Loosen the needle clamp with the allen wrench and pull the needle out."
The machine takes DB x 1, or 1738 needles, and a size 14 needle is recommended.
Hope this helps!
Posted on Jan 13, 2009
I lost one on my screws too. I simply went to my local Sewing machine store (in Tacoma, WA) and they ordered it for me. Got it in 3 days. Was easier to get then I thought considering how old the machine is. But they just don't make them like they used to. So, I'm holding onto my Hobbylock 794 as long as it'll keep being faithful.
Posted on Nov 25, 2012
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