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Old 03-03-2010, 01:37 PM   #1
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1978 28' Ambassador
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Can anyone ID this manual jack?

Found out that the '78 Ambassador came with an electric tongue jack, but it seems to have been replaced with the side crank manual one shown below. Can anyone direct me to the manufacturer and if it can be fixed. Handle just spins and does not engage teeth. Can not see an identification model number anywhere. Thanks. Jack
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Old 03-03-2010, 01:43 PM   #2
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Rather than try to find parts for an unknown jack that is in questionable condition, I suggest calling a local heavy-duty trailer parts supplier and just getting a new one. I just bought a new electric jack last year for under $200.00. A manual one should be less than $100.00.

Yours should be an easy swap as it looks like the previous owner bolted it on rather than welding it!
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Old 03-03-2010, 01:51 PM   #3
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Quote:
Originally Posted by kevin242 View Post
Rather than try to find parts for an unknown jack that is in questionable condition, I suggest calling a local heavy-duty trailer parts supplier and just getting a new one. I just bought a new electric jack last year for under $200.00. A manual one should be less than $100.00.

Yours should be an easy swap as it looks like the previous owner bolted it on rather than welding it!
I agree. I have electric jacks on both trailers. Wouldn't have it any other way. Why fight the crank when you can push the button? If manual cranks were the hot set-up, they would still be using them on new Airstreams.
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Old 03-03-2010, 02:04 PM   #4
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Jack
Go to Tractor Supply or Harbor Freight they both carry manual jacks or your local RV Dealer or Online Rv Suppliers. Mine also had been replaced by one of the former po's. I have not had a problem with my manual jack. When I find I cannot crank anymore its possibly time to sell or spring for Electric.
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Old 03-03-2010, 03:09 PM   #5
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Thanks for all your comments. Think it is wise to just replace jack instead of trying to fix. Problem is finding a side crank jack on the shelf. Can order a 2,000 lb jack on that bolts on for $45. A wise investment. Need to crank to get at least a little exercise! Jack
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Old 03-03-2010, 03:43 PM   #6
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Can order a 2,000 lb jack on that bolts on for $45.
I don't know pricing, but a good quality jack rated for a higher weight capacity might have a better gear ratio for ease of cranking and might last longer. Sometimes saving $20.00 or more just isn't worth it... especially if you get a "made in China" special ... don't buy without looking around and asking some questions about specifications.
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Old 03-04-2010, 06:37 AM   #7
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1978 28' Ambassador
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The Ambassador weighs 5,500lbs, hitch weight is 575lbs. I ordered a 2,000lb side winder triangle base jack from Atwood. As a side note I went and tinkered with old jack. Cleared out the old dried grease. Found that one tooth of the top gear/cog was missing. May have done that by trying to crank with the gears frozen in old grease or it may have already been broken/sheared. In the process, the jack dropped 2 inches and scared the hell out of me. Still on jack stands. Learned a valuable lesson. Heading back out there to place tongue on cinder blocks to secure until new jack arrives. This lesson will be used when investigating all other operations of the trailer. Jack
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Old 03-05-2010, 07:19 AM   #8
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1978 28' Ambassador
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What the heck is this "bolt"?

New jack may arrive Monday. Decided to remove old jack and clean up skid foot. The two back bolts came out after penetrating oil. What the heck is the front screw/bolt/ thingie? Backed off the nut and the entire bolt started unscrewing and then it stopped. I assume it serves a purpose other than holding the break-a-way control. Plan to use vise grips to remove. Hope it does not have a nut on the other end. My big ole hand won't reach up inside the hitch plate. Where can I get a replacement bolt/thingie? Thanks. Jack
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Old 03-05-2010, 11:47 AM   #9
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It might be the other end of your brake kill switch.

In that the cable ran from the switch looped to the TV ball and back to this bolt.

Just a thought.

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Old 03-08-2010, 06:05 AM   #10
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1978 28' Ambassador
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Finally removed the front mystery bolt. Haven't been able to determine it's function or a replacement. Decided to get a 3/8" bolt, cut off the hexhead and grind it smooth. Whether or not I ever need it, at least it will be there. Have been replacing most hardware with stainless steel. The threaded holes in the hitchplate are badly rusted so will retap the threads before installing new jack. Did I mention the jack stand foot was rusted/bonded to old jack? Got to take out some frustration separating the two.
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Old 03-23-2010, 02:07 AM   #11
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Skamper1,

Just a note, stainless bolts are not as strong as grade 8! And they are more brittle.

Curt
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