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Old 04-23-2018, 01:15 PM   #1
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Jack location for a flat

We have a Micro Lite 21DS; I'm trying to find the best way to change a flat... does anyone know the correct placement for a hydraulic jack? Dealership told me to carry a floor jack and jack stands... surely there is a suitable location for placement of a smaller hydraulic jack.
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Old 04-23-2018, 01:21 PM   #2
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On the frame rail next to the flat tire
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Old 04-23-2018, 01:38 PM   #3
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You're not technically supposed to put it on the axle tube, but I place mine under the leaf spring hangers on the axle tube.
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Old 04-23-2018, 01:50 PM   #4
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I do the same. Though, I think if you have torsion axles, you’re really not supposed to.

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Old 04-23-2018, 01:55 PM   #5
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On the frame rail next to the flat tire
If you have torsion axles you have to place the jack under the frame as Jmkjr72 suggests. The axle tubes are not very strong and placing the jack under it you will collapse the tube thus changing the way the tire contacts the ground causing them to wear faster and improperly. It could also cause the trailer to not follow (dog track) the tow vehicle if you have a single axle.
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Old 04-23-2018, 02:21 PM   #6
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Under the frame of on the bottom of the axle bracket, not the tube.
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Old 04-24-2018, 09:32 AM   #7
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Originally Posted by Scrapper View Post
If you have torsion axles you have to place the jack under the frame as Jmkjr72 suggests. The axle tubes are not very strong and placing the jack under it you will collapse the tube thus changing the way the tire contacts the ground causing them to wear faster and improperly. It could also cause the trailer to not follow (dog track) the tow vehicle if you have a single axle.
Many of Dexter's torsion axles have an attachment bracket that encircles the axle tube. It is perfectly fine to place a bottle jack or other appropriate jack on this bracket to raise the axle.
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Old 04-24-2018, 09:35 AM   #8
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This is how I do it.....

How do I jack up Flagstaff?
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Old 04-24-2018, 09:40 AM   #9
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On an under slung spring axle it is OK to jack on the u-bolt plate.
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Old 04-24-2018, 01:00 PM   #10
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Many of Dexter's torsion axles have an attachment bracket that encircles the axle tube. It is perfectly fine to place a bottle jack or other appropriate jack on this bracket to raise the axle.
True if you have the right size jack for the weight of the trailer. When I re-leveled my TT I needed to use my 20 ton jack which would not fit because the tires wouldn't let the jack sit close enough. My TT weighs just under 10k and the only other jacks I had was a 1-1/2t and 2t. Even together they wouldn't lift the trailer.
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Old 04-24-2018, 01:21 PM   #11
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Originally Posted by Safetntx View Post
We have a Micro Lite 21DS; I'm trying to find the best way to change a flat... does anyone know the correct placement for a hydraulic jack? Dealership told me to carry a floor jack and jack stands... surely there is a suitable location for placement of a smaller hydraulic jack.
Post # 7 is the correct answer for your Flagstaff that has "Torsion Axle"! Youroo!!
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Old 04-24-2018, 03:41 PM   #12
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Actually, posts #2, #5 and #7 are all correct. We don't want to lead people new to this type of axle into thinking that jacking up under the bracket is the only way to jack it up to change a flat tire.

The bracket (post #7) on the axle is bolted under the frame. When you jack under that bracket the hub/wheel/tire will swing down as weight is removed. The same will happen if you jack under the frame as in post #2 and #5. Whether jacking from under the bracket or frame depends on the type and size of your jack. As I posted in #10, a large jack, such as a 20 ton will not fit under that bracket as the tire doesn't allow the jack to fit under the bracket, it completely misses that bracket.

Since some people haul a floor jack for such cases, they will not work under the bracket very well if at all. When you use a floor jack, they do not lift straight up and the base of the jack will need to shift as the jack raises the trailer. Therefore, the floor jack will have to be placed under the frame to lift the trailer.
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Old 04-24-2018, 03:49 PM   #13
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Another way---
Since it is a "micro lite" and dual axle "if it were me" I'd just put a couple boards in front or behind the good tire and pull up on it. That will raise the bad tire off the ground far enough to change it.
No jack required.
Period. The end.
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Old 04-24-2018, 04:00 PM   #14
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Another way---
Since it is a "micro lite" and dual axle "if it were me" I'd just put a couple boards in front or behind the good tire and pull up on it. That will raise the bad tire off the ground far enough to change it.
No jack required.
Period. The end.
The problem with putting a couple of boards under the good tire with the torsion axles is the flat tire will swing down to where it is almost hanging straight down. With all the weight from that side on the good tire it would take a 10 to 12 inch block to get the spindle high enough to put a good tire on.
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Old 04-24-2018, 04:04 PM   #15
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I don't know what the axle set up is on that micro lite but my ultra lite Rockwood with Dexter torsion axles did not have that gizmo in between axles.
SO if I even ran over a decent pot hole I had only one tire on the ground.
It only took a 2 by and a 1 by stacked up to get the flat off the ground far enough to install a fully inflated tire.

A foto of the axles that are on the OP's rig would be very helpful.
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Old 04-24-2018, 05:49 PM   #16
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Quote:
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I don't know what the axle set up is on that micro lite but my ultra lite Rockwood with Dexter torsion axles did not have that gizmo in between axles.
SO if I even ran over a decent pot hole I had only one tire on the ground.
It only took a 2 by and a 1 by stacked up to get the flat off the ground far enough to install a fully inflated tire.

A foto of the axles that are on the OP's rig would be very helpful.
If not you could jack up the axle with the flat just enough to put the new tire on. Most of the weight got distributed to the good tire.
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Old 04-24-2018, 07:11 PM   #17
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For me, I'm going to call either Coach-Net, Good Sam, AAA or whomever I have my tow service with and let them come and change it for me. If I were stranded in the middle of nowhere, I would wait on the police to show up and give me the # for a tow service.

I would rather someone with "apparent" knowledge or at least a good insurance policy to change it for me.

That's just me and I'm glad some of you have the knowledge and physical ability to change the tire. Me, I'm too old for that now.
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Old 04-25-2018, 05:06 AM   #18
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True if you have the right size jack for the weight of the trailer. When I re-leveled my TT I needed to use my 20 ton jack which would not fit because the tires wouldn't let the jack sit close enough. My TT weighs just under 10k and the only other jacks I had was a 1-1/2t and 2t. Even together they wouldn't lift the trailer.
Either the 1.5 ton or 2 ton will lift your camper tires.

We have a 12,000 5er and I lift mine to service brakes, grease wheel bearing with a 1.5 ton (3000 lbs) bottle jack.

Weight of 10,000 on the axles. That is 5000 per axle, 2500 per wheel. Well under the capacity of even your 1.5 ton bottle jack

You are not lifting the entire camper when you are lifting one tire.
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Old 04-27-2018, 03:02 PM   #19
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Either the 1.5 ton or 2 ton will lift your camper tires.

We have a 12,000 5er and I lift mine to service brakes, grease wheel bearing with a 1.5 ton (3000 lbs) bottle jack.

Weight of 10,000 on the axles. That is 5000 per axle, 2500 per wheel. Well under the capacity of even your 1.5 ton bottle jack

You are not lifting the entire camper when you are lifting one tire.
I agree with you if I had leaf springs. I have Lippert 5k torsion axles, the bracket on the LCI torsion axle is different than the one shown in 5picker's picture in post #5. The bracket is a upside down "J" and is open on the bottom. So you have to lift from the frame and there isn't any way to lift just one tire.

Both the 1.5t and 2t bottle jacks at the same time on the frame would not lift the TT. I had no other jack than the 20t and it would not fit under the frame behind the tires because of the tire width.

I had to re-level the trailer by placing another 2"x8"-6' board under the one side. Lifting the trailer by the frame raised both tires off the ground which is what I wanted to do.
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Old 04-27-2018, 03:41 PM   #20
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Call me lazy, but I will find a convenient (and tall enough) curb to back or pull the non flat tire onto. Usually, that will lift the flat tire high enough to change it. Plus I never go anywhere without my cordless 3/4" impact driver, so changing a trailer tire is maybe a 5 minute job.

In fact... Just this weekend, I lost a tire on my flatbed car-hauler. Limped into a local McDonalds, wedged her up on the curb and had it changed out in no time.

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