SOURCE: will not pick up bobbin thread
Unusual for this machine. Check to be sure the needle is inserted with the flat side to the back of the machine. If it is, remove the needle plate, bobbin and bobbin case. Turn the hand wheel slowly toward you and see if the point of the hook is above or below the eye of the needle when the hook point is aligned behind the needle. If the eye is above the point of the hook the machine is out of time and best taken to qualified technician.
SOURCE: Janome Memory Craft 9500 Troubleshooting
The solution that I found last night was the thread tension. I have never touched the dial, only had it set on 'auto." When I started playing with it, I realized the top thread should be really easy to pull through the machine and it wasn't. I started turning the dial (to 3 or 4) and the thread slid through the machine perfectly. No more birds nest! I really thought it was bobbin initially because of the horrible sound it was making.
SOURCE: Is the bobbin suppose to spin?
attempt to tighten nut on the hand pulley.if not turn grabbed problem can be in transferred trough gears...
SOURCE: needle not picking up bottom thread
Remove the needle plate and the bobbin case.
Ensure that the needle is inserted all the way up into the needle clamp.
Set the machine for straight stitch, center needle position.
Slowly turn the handwheel in the normal sewing direction and observe the following hook timing setting:
When the needle reaches it's lowest point and travels up 3.5mm, the point of the hook should be directly behind the needle, or at least within 1 or 2mm.
Another view is as the hook passes the needle, it should pass the needle slightly above the eye of the needle.
If the timing looks good, use some alcohol on a bit of cloth to clean the hook, careful around the tip of the hook as it is very sharp.
If the hook timing is off, you will need to take it to a knowledgeable service person as there are several possible solutions and several other related adjustments which will need to be made.
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