Questions & Answers for: RTO weller d550

Question about Weller D550 Soldering Gun

1 Answer

Where can I find replacement bulbs for an old D-550 with screw in type lights? I don't know the numbers for them. The bulb you seek is a type222 2.33v 270mA bulb available from Radio Shack p/n272-1124

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Question about Weller D550 Soldering Gun

1 Answer

...weller d550 although lights Intermittent heat on Weller D550 although lights stay on. When not working, moving the terminals may get it to start working again. Sometimes, just moving the gun will ...

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Question about Weller D550 Soldering Gun

1 Answer

Weller D550 fried brand new tip D550 I've had for maybe 20 years but only use maybe every 2-3 years. Just tried to solder a connection and the tip fried - looks like it's tinning bubbled up. Thought ...

Question about Weller D550 Soldering Gun

1 Answer

...Weller D550, and there is a screw missing from the housing near the heating tip, and the other two housing screws are stripped. When I plug it in and try to use it, the lights flicker and it doesn't ...

Question about Weller D550 Soldering Gun

1 Answer

I have recently bought a Weller 201 soldering iron, but in a very short space of time out of 2 projects it has made the glass crack in 2 out 3 projects. Could it be getting too hot. You need to adopt ...

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