RADIATOR FAN REPAIR NOT REPLACE

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Jul 10, 2014 | 11:56 AM

#16

phil996cab99

Racer

Joined: Mar 2002

Posts: 483

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From: CVG-SFO-EWR

Quote:

Originally Posted by BAD.TAG

If its just a break in the solder, then yes. Adding a drop or re-melting the original will work.

Not working out so well (yet). The solder is just balling up and not sticking. Just reheating the old isn't working on the coil, not enuf old left.

New solder and gun, Chicago Electric nickel plated copper tip, Chicago Electric rosin core solder.

Please help, thanks.

Jul 10, 2014 | 12:08 PM

#17

Soaringman

Racer

Joined: Jul 2013

Posts: 479

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From: Gibsons BC Canada

I would get a little can of flex, solder past and smother the existing solder with it, although your solder had this in its core it may be burning off to soon and not going were you want it

Jul 10, 2014 | 12:57 PM

#18

phil996cab99

Racer

Joined: Mar 2002

Posts: 483

Likes: 1

From: CVG-SFO-EWR

Quote:

Originally Posted by Soaringman

I would get a little can of flex, solder past and smother the existing solder with it, although your solder had this in its core it may be burning off to soon and not going were you want it

Thanks, I'll try that.

Also, I used CRC brand QD Electronic Cleaner (quick drying) to clean and allowed to dry over an hour before soldering. If that's contributing to the problem, I wonder what cleaner to remove that.

Jul 10, 2014 | 01:34 PM

#19

Ahsai

Nordschleife Master

Joined: May 2005

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Sounds like your soldering gun is not hot enough for the job. What is its wattage?

Jul 10, 2014 | 01:45 PM

#20

phil996cab99

Racer

Joined: Mar 2002

Posts: 483

Likes: 1

From: CVG-SFO-EWR

Quote:

Originally Posted by Ahsai

Sounds like your soldering gun is not hot enough for the job. What is its wattage?

30 watt, max temp. 735 F.

I think you're right, after watching a couple videos. They also imply a bigger tip would help for the bigger joins, so I'll get that. Current tip is very skinny fine point. Gun package says "for delicate soldering jobs", so might not be capable. I'll try to borrow a bigger gun.

Jul 10, 2014 | 02:30 PM

#21

phil996cab99

Racer

Joined: Mar 2002

Posts: 483

Likes: 1

From: CVG-SFO-EWR

Yeah I just hit the motherlode of info. for this soldering gun (reviews on Harber Fraight site). Folks like the gun but the tip sux, so good tip replacements, usage tips, flux, etc.

Jul 10, 2014 | 02:49 PM

#22

Ahsai

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Joined: May 2005

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I think you need at least 80W if not more with that much mass to heat up. 30W is a joke, it's for small electronic components.

Jul 10, 2014 | 04:46 PM

#23

phil996cab99

Racer

Joined: Mar 2002

Posts: 483

Likes: 1

From: CVG-SFO-EWR

At this point I can't help asking "are these things solderable?" 3 photos attached.

I mean, it looks like Bosch welded them (not solder), so does solder work on weld spots (or whatever they are).

Also, looks like Bosch glued on the green and black wires. So when they break off, will soldering them back on work?

Attached Images

coil_red.jpg (90.6 KB, 345 views)

capacitor_red.jpg (70.7 KB, 337 views)

terminal_red.jpg (93.6 KB, 356 views)

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Jul 10, 2014 | 05:53 PM

#24

Ahsai

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Joined: May 2005

Posts: 7,326

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I agree those look more like welds than solder. Hard to say with that much mass to heat up. Your best bet is to use a file and some sandpaper to clean the metal surface good. They need to be heat up real good to take the solder. It's entirely possible the metal is just too massive to be soldered.