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1981 M46 OD Question - Follow-up 200 1981

posted by  Don Foster on  Fri Dec 27 00:41 CST 2002
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last visit: Sun Oct 5 11:53 CST 2014
[RELATED]

I use a small iron (20 Watts, more or less) for the ordinary connections, such as the leads for resistors, ICs, transistors, etc. I use a gun for the heavier connections( 150-250 Watts, or so), such as the spade lugs and the actual relay lugs. The heavier connections will "suck" the heat away from a small iron too quickly to allow the temperature to rise enough so the solder melts. But with a dun, you must work quickly. The solder connection gets hot quickly.

It takes practice -- I've been soldering since I was around 10 years old, and have probably a dozen irons of different sizes and types for different applications, and four guns of different sizes.

Be sure you use electronics solder, not plumbing solder.

For casual uses, you can probably buy what you need at Radio Shack.

And restoring ONE expensive Volvo relay will offset the cost of the tools you buy at Radio Shack -- and then every relay after that is "free."

The tutorial below, shamlessly copied from a Heathkit manual, offers good advice for the "newby" solderer.




--
Don Foster (near Cape Cod, MA)






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