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old detector pain and glory

tvr

Well-known member
Got about 3.5 days in North Myrtle Beach to hunt the beach. Started out with the still pretty new to me blue tube Excal. Got in about 2 hours of hunting as it was approaching high tide and evening dark. More iron than I remember on this beach and very few targets. Next morning I charged the battery and hooked it back up and nothing. Tried the spare battery that I charged before the trip, again absolute dead silence. Contacts are clean and appear to have a snug fit. DARN!!! I didn't pack a meter for the trip so no trouble shooting on the Excal so far. That is the pain of an old used detector, even if it came to me very clean and looking in great shape.

So, out for the hunt comes old tried and true CZ6A with the FZ-12 coil on her, an even older detector, that has been dunked twice in the salt water and has so far still lived on to continue the hunt. This old friend of a detector pulled some deep lead sinkers on this trip. Also found deep pull tabs and nickles, all with ID's as they should be with a little bit of ID bounce on the deepest ones.

The CZ6a found another one of the old shell points that I find in the Myrtle Beach area every now and then. The real surprise was a deep, deep ring. Was hunting in autoTune, like I normally do with this detector at the beach, and heard a little threshold rise. Found the center of the little repeatable zip zip sound and flipped to discriminate mode. Nothing at all, not even a little snap of the detector trying to figure out if there is really something there. Back to autoTune to find center again. Three big scoops and I can get the coil into the hole to try to ID it and I get big coin high tone. Center of the target has not moved. More deep scoops and target check after each scoop. Seventh scoop finally moves the target off where it was, pulling the target towards the front of where that seventh scoop started and finally up higher into the soupy mix that was falling back into the hole. Eight scoop brought it out of the sand for good. Pretty big ring ... but I didn't recognize the marking. Back at the room, I look up P4SR ... this thing that looks like white gold that I knew wasn't because it was just too high on the conductivity, is about 80% silver with just a little palladium, platinum and gold mixed in to prevent corrosion. If only this 9.9 gram ring had been a better alloy it would really be a happy dance ring. Ah well ... the CZ6a was in her glory finding truly deep targets like she has faithfully done for a long long time.

Picture is of the bullet tip I found this trip and the P4SR ring.
Cheers,
tvr
 
NIce ring Buddy, never seen one like it but with all the new mix's they are coming up with you just never know. And Sorry to hear about the Excalibur, since we are neighbors on your return if you want, I will take a look at it..., rarely do the boards go bad and most of the time it is a cable. Rare for the blue tubes, very common for the Greens. I'll be a way the 15th to the 20th...after let me know...
 
Ive got a blue that sometimes i think is fully tightened and she runs..... then just shuts off. Another twise of the battery cap and im in business. Hopefully its not serious because those are really good machines. Well worth any repair money over the newer ones. Its kind of like movie sequals...... the new ones sometimes just arent as good.
 
I know what its like ... I bought an old blue 1000, also very clean looking but alas it only ran for 3 hours and started falsing. Bad coil plus a small amount of water in pod..
 
Thanks all for the info.

OBN,
Thank you for the kind offer. I kind of want to get comfortable working on these beasts so I'm going to take a shot at it. I suspect it is not getting power to the board. There is a slight discoloration around the nut where the cable goes to the battery connector that makes me think that is where I need to start. Will know more when I get a meter on the wires. If I get stuck, I'll give a shout.

There is a reason I nearly always pack more than one detector! Glad I did for this trip!!
Cheers,
tvr
 
Good luck with the Blue. I picked one up off CL last year, it was in pretty good shape and a great price.....needed to replace coil after a month of use because the coil wire split. A great machine, but need to do the PP mod and headphone upgrade next.
Nice ring, that's a new marking for me too. GL
 
OBN,
Thank you for the kind offer. I kind of want to get comfortable working on these beasts so I'm going to take a shot at it. I suspect it is not getting power to the board. There is a slight discoloration around the nut where the cable goes to the battery connector that makes me think that is where I need to start. Will know more when I get a meter on the wires. If I get stuck, I'll give a shout.

There is a reason I nearly always pack more than one detector! Glad I did for this trip!!
Cheers,
tvr
First thing I would do is just break it down and check the voltage at the board, blue n brown. I had one that corrosion had got in the ikelite and shorted out the connection...I almost thing if you use one a lot it should be rebuilt once a year...
 
therover said:
A CZ6a rigged with the FZ12 is a beast in all metal mode. I know !!!!

Yes it is. I don't think I've dug anything any deeper with the Sand Shark or HH Pulse than I have with the CZ6a with the FZ12 on it. Got to get the blue tube going again because it seems to be just about in the same range. The older original sword I have is short probably an inch or two from being in the same range.


OBN said:
First thing I would do is just break it down and check the voltage at the board, blue n brown. I had one that corrosion had got in the ikelite and shorted out the connection...I almost thing if you use one a lot it should be rebuilt once a year...

That is what I was thinking ... take the end cap off and put the meter on where it connects to the board and see if the battery voltage gets there.

I am so used to just wiping down and every now than then changing batteries with the CZ and the Sand Shark and they keep chugging on ... I should probably get a supply of O-rings and plan on changing them out yearly on the Excals. I need to dig the lathe out of storage and take a shot at an end cap too!

Hope you keep getting that gold from the bay!
Cheers,
tvr
 
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