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Hydraulic lift system Hydraulic, mechanical and electrical components of the lift system
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Old 04-21-2015, 11:03 AM   #1
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Default Replacing bulb seal, adjusting lift cables-Am I insane for attempting this? Any tips?

I have a 2001 1901TL that needs a new bulb seal and the lift cables adjusted.

Question #1 - A friend of mine (very talented repair/general fix it type guy with every tool imaginable) and myself (somewhat handy) are going to attempt to replace the bulb seal and adjust the lift cable, check the blocks, et. Am I insane for attempting this or should I just bite the bullet and pay the $1,200 to have it done?

Question #2 - When the trailer is in the up position should the wood trim on the top half and the bottom half be flush all around the interior of the trailer? ( I have an approximately 1" difference between the height of the trim on the upper half and the lower half with the upper half being lower)

Question #3 - If the answer to Question #2 is yes, is this a cable adjustment issue or is it a different problem?

THANKS!!!
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Old 04-21-2015, 11:18 AM   #2
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Having the bulb seal properly making contact is the important thing. The rail matching on the inside is strictly cosmetic. With luck both may come together once properly adjusted.
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Old 04-21-2015, 11:27 AM   #3
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Regarding question #2, I support what Rich said exactly. In my trailer, the rear portion tends to match up, but the front portion does not. The rail on the top half is about 3/4 inch below the rail on the bottom half in front. However, the bulb seal is snug all around.

Checking the blocks and adjusting the lift cables is very easy. Just don't shorten the lift cables more than needed to make the blub seal "seal". If you do, you can cause damage to the top half where the cables connect or, you might break the cables or pulleys.

Replacing the bulb seal is a much more complicated task. Look for some posts on in in this forum. I think you have to lift the top clear of the bottom half to do it, but I could be wrong.

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Old 04-21-2015, 08:19 PM   #4
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Default Replacing bulb seal

Here are a couple post that would be helpful.4-3-2010 Replacing the roof gasket. Sam Shields if a retired HiLo service manager. The second one is Cable replacement in My 1998 HiLo24TD 3-3-2010. It has pictures to show how the two by fours are placed and used to separate the halves. Have fun with your repairs.
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Old 12-29-2017, 11:18 AM   #5
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Is there any reason a replacement bulb seal has to be located inside the wall?
Trailer repairs already taken too much of my time…

I am thinking of putting a bulb type seal below the top. It would touch the sides instead of sealing against the trim.
Other than maybe getting dirty more I don't see why not. Much easier to access and install.

I have another "seal" idea I will mention later…
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Old 12-29-2017, 12:35 PM   #6
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Marininn - That SHOULD work, and yes, it would be much easier to install. It would not seal quite as "tightly", of course as the original design, but I don't see why it would not be satisfactory.

Another member, maestro123 talked about applying a garage door sweep along the bottom edge of the top half, which would probably also work about the same as what you are considering.

Anything that keeps bugs at bay and reduces drafts/dirt infiltration is the goal. It does not hurt to try these approaches.

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Old 12-30-2017, 02:11 PM   #7
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I actually decided to leave parts of the damaged original seal in place when i was thinking about this same problem and go with the garage door 'sweep' attached to the lower part of the frame. I'm telling myself this is better because the trailer has the original, not as good as it should be seal, and now a newer seal that is closer to the road and able to keep more grime out.
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Old 01-09-2018, 07:01 PM   #8
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Any pics of the door sweep?
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Old 01-10-2018, 08:26 AM   #9
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Here's a quick shot of the door sweep. I have it screwed into the bottom, but also put some gorilla glue (construction adhesive kind) that attaches everything to everything just to give it the best shot possible. I like this glue for some applications like this because it does not require a porous surface to adhere.

Sorry about the image quality, it was dark early this morning when I took the shots.
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File Type: jpg 39613746271_ceae53e07b_k.jpg (142.4 KB, 14 views)
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Old 01-10-2018, 01:12 PM   #10
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Looks like it'll work. sure saves a lot of time. Long term mod!
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