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Old 02-01-2007, 10:39 AM   #1
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Need help mounting my new ALUMINUM LP tanks

Hi all, I received 2 new Aluminum tanks for Christmas and now must figure out the mounting. My '68 tradewind had the base and a rod, but no top bracket.

Recently I purchased a new top bracket which came with an all-thread rod. I was hoping to put the top bracket on my existing rod, but I will have to increase the diameter of the hole on the new bracket to do so. No biggie (I think), but I need advise first!!

In the following pictures can anyone tell me which is the correct way to install?

1. If the bracket is on top, the rolled top of the tanks is too thick to fit into the top bracket (as shown). Can it go in the hole as shown in Pic #2? If it can, I guess I'll need an all-thread....
2. Regulator goes under top bracket?
3. The rod I have moves from side to side about 3/4"- Is it supposed to? If I have to remove it, how does it come out and how do you mount a new one? (Mine seems to be attatched by a welded pin that does through the rod at the bottom- allowing the 'play')

[I have the 30lb tanks]
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Old 02-01-2007, 10:59 AM   #2
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Uh how about answering my own question:
http://www.airforums.com/forum...nks#post204964

Sorry!
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Old 02-01-2007, 11:00 AM   #3
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LP Tank clamp

Tanya, The tank clamp rod on my '67 flexes back and forth too! It however is welded at the base plate. The upper clamp for mine has notched area on the clamp (like your new part) and the holddown wingnut and washer would fit over the top of the clamp with a second nut and smaller washer on the threaded portion of the rod to lock the clamp on at the right height. The clamp has the regulator hanging down and mounted between the tanks for ease of viewing from the front of the tongue. The clamp notches can be on the lower opening or down on the rolled top of the bottle. I use the lower openings as it clamps more securely on the bottle there. Hope this helps, Ed
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Old 02-01-2007, 11:12 AM   #4
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So, if I need to remove the rod, in favor of averting a disaster... how do you do it? Mounting the all-thread is obvious, suddenly, but to break the weld....??
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Old 02-01-2007, 11:26 AM   #5
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I wouldn't remove the rod. Take it to a hardware store or machinist and have them run the thread down a few more inches and cut the top off.

I will look a lot nicer that way. And may be cheaper.
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Old 02-01-2007, 11:27 AM   #6
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replacing tank rod

You would be best done keeping what you have unless it is cracked or damaged. The hole in your new clamp can be drilled to the larger rod size for the original rod. The postings you linked above do not apply to your new clamp as it is stainless steel not cast aluminum. If however you would like to install the new threaded rod you must cut the old one off with a hack saw or sawzall and drill out the old rod in the base plate with a drill the size if your new threaded rod. make sure to keep in mind you will want to allow the drill size to tap new threads into the base so you can screw in the new rod. Place a nut, washer, and lock washer on the threaded rod so that you can tighten it down and have it locked to the base. (This will make it easier to replace in the future!) Or if you prefer you can have the bottom end of the threaded rod placed in the hole (drilled out to the exact size of the threaded rod) to fit the rod as is and have it welded into the base plate. Ed
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Old 02-01-2007, 11:29 AM   #7
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Or you can find the cast aluminum clamp like was used on the 70's vintage trailers...

Aaron
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Old 02-01-2007, 11:41 AM   #8
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Quote:
Originally Posted by wahoonc
Or you can find the cast aluminum clamp like was used on the 70's vintage trailers...

Aaron
Aaron, Aren't those the ones prone to breaking? Such as noted in the above posted link "disaster averted"? I'm not sure but it sounds like that type of clamp> Ed
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Old 02-01-2007, 11:53 AM   #9
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Quote:
Originally Posted by markdoane
I wouldn't remove the rod. Take it to a hardware store or machinist and have them run the thread down a few more inches and cut the top off.

I will look a lot nicer that way. And may be cheaper.
I agree the original rod is a lot better looking, but in order to have the thread extended I'd have to remove it, and it is welded, so I'd have to re-weld it (which I don't do). The new set up (with ugly all-thread is less than 10$) so in price, it's more attractive.

The link above paid tribute to the weld breaking on the older rods- as well as the aluminum "T" bracket. That's why I thought I should change over.

>>> But I CAN use the hole, rather than the top, as a amounting spot, like ED says..... agreed?
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Old 02-01-2007, 12:05 PM   #10
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If you go to a good hardware store, you can get a thread cutting die and handle for same and cut the threads further on your current rod. Or...borrow the same tool from a friend.
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Old 02-01-2007, 12:08 PM   #11
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Rod threading

You do not have to remove the rod to extend the threads! Just get a thread/tap set and handle and some cutting oil and extend the threads as low on the rod as you need them. The rod is welded at the bottom and needs no other clamping or vise to extend the thread more onto the rod. If you are worried that it moves while threading hold it with a pair of vise grip pliers with one hand and slowly thread the rod by turning the handle with the other. You will likely have to lube existing threads first and be very careful to install thread nut on the existing threads correctly before using the handle. Should be a no brainer! Good luck and let us know what you decide to do and the outcome. Ed
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Old 02-01-2007, 12:12 PM   #12
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Quote:
Originally Posted by BIGED52
Aaron, Aren't those the ones prone to breaking? Such as noted in the above posted link "disaster averted"? I'm not sure but it sounds like that type of clamp> Ed
It is not clear to me if the clamps broke or if the rod broke or? It is like blaming an blowout on a defective tire, without knowing if the tire was over or under inflated, possibly damaged prior to the blow out etc. I never seen a broken aluminum hold down. I don't doubt they could break, but so will a half shaft on a truck and they are made out of heavy steel.

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Old 02-01-2007, 12:16 PM   #13
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Quote:
Originally Posted by sequoiacoast
Hi all, I received 2 new Aluminum tanks for Christmas and now must figure out the mounting. My '68 tradewind had the base and a rod, but no top bracket.

Recently I purchased a new top bracket which came with an all-thread rod. I was hoping to put the top bracket on my existing rod, but I will have to increase the diameter of the hole on the new bracket to do so. No biggie (I think), but I need advise first!!

In the following pictures can anyone tell me which is the correct way to install?

1. If the bracket is on top, the rolled top of the tanks is too thick to fit into the top bracket (as shown). Can it go in the hole as shown in Pic #2? If it can, I guess I'll need an all-thread....
2. Regulator goes under top bracket?
3. The rod I have moves from side to side about 3/4"- Is it supposed to? If I have to remove it, how does it come out and how do you mount a new one? (Mine seems to be attatched by a welded pin that does through the rod at the bottom- allowing the 'play')

[I have the 30lb tanks]
Airstreams LPG bottle hold down, is a cast metal part, that has been used for many years. It is stronger than the one in your photo.

The better placement of the hold own bracket is in the round hole in the tank bracket.

No threads there?? Rod too long??

Simple fix. No need to add additional threads.

Remove the pin that holds the rod into the bottom bracket. Change the rods position as you wish.

Drill an appropiate size hole in the rod for the new pin location.

Position the rod accordingly, insert the pin, and your done.

Thye only trick is make sure the hole you drill is not oversize. If the pin falls out, the bottle will come loose.

Andy
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Old 02-01-2007, 12:33 PM   #14
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Just my opinion I agree with the method of doing more threads on what you have its already welded, so its strong. Second is the cost factor, got friends equals zero cost and maybe 30 minutes of labor.
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