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Offline occupantTopic starter
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« on: February 13, 2010, 11:59:51 am »
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Though I'm relatively new to Metal Detecting, I've been an Amateur Radio hobbyist for 30 years.  During that time I have learned  a few tricks about electronics that apply as much to metal detectors as to radios.  Many of the problems with any portable electronic device can be traced to a couple of things: weak batteries (even if you did just break open a fresh pack from the store - test them with a reliable battery tester that applies a load to the cell under test) or poor/dirty/corroded connections and controls. 

Long ago I learned of a 'magic elixir' that really can work magic on poor connections and now it's one of the first items I reach for if a radio or detector is on the repair bench.  The product is called "DeOxit" by Caig Labs. I now use it routinely on battery connectors, coil wire connectors, headphone plugs/jacks and control pots. For connectors, I use a small artists brush to apply the DeOxit. Just a tiny amount does the trick. Our machines are routinely used in some hostile environments (wet, dusty, muddy conditions) and some of that gunk finds it's way behind control knobs and onto the contact service of the controls.  The DeOxit can be used without opening the detector housing by removing the knob of the control and putting a short squirt into the control around the shaft opening. Rotate the control thru it's range a few times. You will probably notice that the control operates smoother now, as well.  Works great on flashlight battery and bulb connections, too.  Any electrical connector, actually.

 There is a small kit of DeOxit and a preserver/lubricant sold at Radio Shack but I buy the larger and more economical sizes at electronic supply houses. I'm still finding more uses for the stuff, but it might be just the ticket to revive a problem detector.
HH,
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« Last Edit: February 13, 2010, 12:02:56 pm by occupant »
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Offline BitburgAggie_7377
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« Reply #1 on: February 14, 2010, 07:22:20 pm »
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Occupant, thanks.   That sounds like a tip even us less technical people can use.

BA

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« Reply #2 on: September 14, 2014, 06:24:54 am »
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Flashlite battery and switch contacts!!!!!   my biggest source of headaches. Here in the PAC northwest wet/humid area have lost of problems. Maybe holding the flashlite in my mouth adds to that problem!!!!

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« Reply #3 on: September 14, 2014, 08:18:11 am »
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I always use a contact spray, it's been around for years but I will keep a lookout for this DeOxit. It's always a good idea to have some with you when you go out detecting as it could save the day.

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So many questions so little time

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« Reply #4 on: September 14, 2014, 03:29:18 pm »
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Wow. This stuff it’s so expensive.
$56.58 plus delivery on eBay,for a 150ml can.
I use WD-40 and then methylated spirits if I need to remove the oily residue


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« Last Edit: September 14, 2014, 03:30:26 pm by nickel_n »
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« Reply #5 on: September 14, 2014, 06:17:31 pm »
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 Good stuff

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