I was cleaning up my old sewing machine today having not used it for a
while
and discovered something odd about the overlocker.
It's a while since I used it for overlocking and I had some difficulty
inserting a needle. I found that the tip of the needle brushes against the
looper tip when the machine is operating - that can't be right, surely?
I've found an adjustment for needle height but if I back the needle off so
it's
higher and doesn't contact the looper tip then it doesn't make stitches
because
the looper misses the thread underneath. So I've put it back where it was.
It
does successfully produce overlocking, with no unusual noise in operation,
but
I feel slightly uncomfortable cranking the machine through and watching
the
looper deflect the needle as it goes by.
Perhaps this is normal? I have checked the needle is straight.
Tim
