The 7250AN acorn tip nuts used by the Weller D550 professional soldering gun are badly designed and will not produce good contact and will prevent the tip from getting hot.
- posted
4 years ago
Weller D550 professional soldering gun
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- posted
4 years ago
Is this a question/answer/statement ?
Weller messed up when they went from the connectors that the tip went through the nuts/bolts and made a 90 deg turn and stuck out of the holes.
Even those sometimes needed to be taken out/cleaned and retightened.
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- posted
4 years ago
BS. They've been working fine for about 40 years.Or more. CXan't remember when I got my first one -and they are a lot better than the old WEN soldering guns that used a pair of scresws tomake the contact.