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Old 04-27-2021, 07:14 AM   #1
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1970 31' Sovereign
Goshen , Kentucky
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Original tongue jack removal question

I thought it was just going to be a "remove 3 bolts, pull up to remove, and install need jack", but it's turned into anything but that.

Any tips on removing the original tongue jack? I've been soaking it in a PB/Liquid Wrench cocktail for a few days, but am seeing no signs of moving.

We've used upward pressure by using a floor jack to lift the bottom of the jack up while still attached to the TV, to the point of lifting up the backend of the TV. As you can see, we've also tried prying up on the mounting flange.

Is it welded on at the bottom?

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Old 04-27-2021, 07:31 AM   #2
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Not the answer you want to hear, but mine came right out. No, there were no other fasteners other than the three 3/8" bolts.
Maybe try a pipe wrench carefully and see if you can rotate it to break free?? Mine (2017) was not even tight in the bottom support.
If they welded it to the bottom support, you should see the weld, otherwise they couldn't install the finished unit.
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Old 04-27-2021, 07:37 AM   #3
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1966 22' Safari
1955 22' Flying Cloud
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Over years rust can eat into the tongue metal and create somewhat of an oxidized weld. Or, a PO could have tacked the shaft in a couple of places. You could take a pipe wrench and attempt to rotate the shaft, and if it is rust, should break loose. Or, like you tried, put upward pressure on the shaft and hit it with a two pound hammer to break it loose. On our 55 I did have to tap the shaft to free the jack. Just a couple of thoughts. Good luck
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Old 04-27-2021, 07:57 AM   #4
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Zooming in on your pictures, it looks like either a weld or a rust weld on the top plate. I took mine off for painting and maintenance last fall; no problems, came right out after the 3 bolts were removed. The connection to the A-frame is threaded. Maybe those stripped or rusted out and the PO welded it in there.
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Old 04-27-2021, 08:51 AM   #5
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1970 31' Sovereign
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Thanks for the responses. One thing I didn't mention in the original post was that we removed the 3 bolts holding it on. I soaked those and they came out with some effort. I'll take the advice and attempt a multi-pronged attack on it later today.
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Old 04-27-2021, 08:57 AM   #6
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You could try heating the frame around the jack hole to expand it.
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Old 04-27-2021, 10:20 AM   #7
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1964 30' Sovereign
Ione , CA
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We recently had the same problem removing the tongue jack on our 64 Sovereign. Ours was complicated by a prior owner spot welding the old jack from the underside (apparently many old time Airstreamers did that to stop side-to-side shifting of the small diameter jacks the old trailers came with).

Our mechanic used a small diameter rotary saw to cut through the welds. Came out fine after that.

As mentioned by others, yours could be an actual weld or a rust weld. Old metal will bond quite strongly through the disintegration process.
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Old 04-27-2021, 10:55 AM   #8
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1970 31' Sovereign
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Thanks to all for the replies. I tried a bit of everything. I started with some heat and scraping with a dental pick whetr the tube and frame meet. I then applied some more PB Blaster and let that sit for about an hour.

When I went back out, I did some more scraping on the specific spot that Rich pointed out. Then I used a pipe wrench, on the lower portion of the jack, to attempt twisting. That was what loosened it. I had to apply upward force with my floor jack while I twisted the shaft with the pipe wrench. It wasn’t until it was about out that I could turn by hand.

Thanks again for the suggestions.

Now...to select a new jack.


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Old 04-27-2021, 11:06 AM   #9
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New jack? Look at the Husky.

Mines over 9 yrs old. Zero issues.

Gary
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Old 04-27-2021, 11:11 AM   #10
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Quote:
Originally Posted by GoshenTop View Post
Then I used a pipe wrench, on the lower portion of the jack, to attempt twisting. That was what loosened it.
For the win! Wooo-hooo!

Next jack? a Husky 5000!
Make sure the hole is large enough. I want to say mine was
2 1/4" and had room to spare, but not much.
Buy new 3/8 x 16 bolts in grade eight if you can (Lowe's) they don't rust and they're very strong.
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Old 04-27-2021, 11:46 AM   #11
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1976 31' Sovereign
Oswego , Illinois
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My 76 AS had bushing {sleeve} I don't remember if on jack or in A frame, jack was Reese that was installed trailer when was new.
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Old 04-28-2021, 08:06 AM   #12
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Good post with results. I'm guessing that the combination of everything you applied is what did the trick.

Reading the OP I wondered about an application of thermite and a match? High heat in a small area.
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Old 04-28-2021, 08:29 AM   #13
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1964 30' Sovereign
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Congratulations on getting off the old tongue jack. For a jack, definitely get the Husky 5000. You'll need to enlarge the hole a bit though (to enlarge, use a grinder bit on a drill. The bolt holes are slots which allow you to line up with the Airstream bolts. If you buy a slip on foot plate that fits the Husky jack, just hold that over the existing Airstream hole and mark around it. That will give you the exact size needed to enlarge the hole to a perfect circle.
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Old 04-28-2021, 09:05 AM   #14
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I have the same 3ton craftsman sitting in the garage...still running strong!
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