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03-24-2016, 04:00 PM
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#1
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Senior Member
Join Date: Jan 2014
Location: Chantilly, VA
Posts: 1,075
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Jack up TT Under Leaf Spring U Bolts?
Having trouble searching on iPhone. Just to raise the wheel an inch to pack bearing and adjust brakes. Can I jack under u-bolt?
__________________
Lee and Anne
2016 F250 2WD CC SB XLT 6.2 3,295 lb payload cap.
2014 Salem Hemisphere 282RK 8k lbs loaded, Equal-i-zer WDH, TST 507 TPMS
2021: 35 nights already booked so far
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03-24-2016, 04:17 PM
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#2
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Senior Member
Join Date: Sep 2013
Location: Idaho
Posts: 9,839
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That is how I plan on doing it in the event I have a flat tire, bought a stubby hydraulic jack.
Shop Torin 20-Ton Stubby Bottle Jack at Lowes.com
__________________
2016 F350 6.7L LB CC Reese 28K 2014 Chaparral Lite 266sab
"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." 2014 19 days camping 2015 17 days camping201620 days camping
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03-24-2016, 04:45 PM
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#3
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Senior Member
Join Date: Jan 2014
Location: Chantilly, VA
Posts: 1,075
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Thanks. I have the bottle jack and a chunk of 4x4. I figure if I just barely raise one wheel at a time I should be OK. I will also put a jack stand under the frame.
__________________
Lee and Anne
2016 F250 2WD CC SB XLT 6.2 3,295 lb payload cap.
2014 Salem Hemisphere 282RK 8k lbs loaded, Equal-i-zer WDH, TST 507 TPMS
2021: 35 nights already booked so far
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03-24-2016, 05:12 PM
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#4
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Arn
Join Date: Aug 2009
Location: Ottawa Valley, Ontario
Posts: 181
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I would think that's an awful lot of weight for a skinny little U bolt to support. If you can get at the frame to put in a jack stand that's where i'd be jacking.
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Arn
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03-24-2016, 05:20 PM
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#5
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Gold Miner At Heart
Join Date: May 2015
Location: N.C. Blue Ridge Mtns.
Posts: 293
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Jack as close to the wheel as possible.
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“I have tried to live my life so that my family would love me and my friends would respect me. The others can do whatever the Hell they please!” —John Wayne
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03-24-2016, 05:22 PM
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#6
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Senior Member
Join Date: May 2014
Posts: 157
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Always use a stand
But jacking up on the u bolt is a proper method we use on heavy trucks all the time. Also the plate under the axle or on the spring. Just not on the tube unless right next to the plate and u bolts
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03-24-2016, 05:28 PM
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#7
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Senior Member
Join Date: Oct 2014
Posts: 981
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I welded a 6" long piece of 4x4x 1/2 angle to the end of the bottle jack ram so that the "V" is up and lifts against the U-bolts.I use a 20 T jack just because the base and ram are bigger.Ive had this in multiple trailers since the 1970's and it works every time!
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03-24-2016, 05:28 PM
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#8
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Senior Member
Join Date: Jan 2014
Location: Chantilly, VA
Posts: 1,075
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Quote:
Originally Posted by Arn
I would think that's an awful lot of weight for a skinny little U bolt to support. If you can get at the frame to put in a jack stand that's where i'd be jacking.
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I will be using the 4x4 on top of the jack to spread the load between both bolts. I may just bring my big floor jack as well. 
__________________
Lee and Anne
2016 F250 2WD CC SB XLT 6.2 3,295 lb payload cap.
2014 Salem Hemisphere 282RK 8k lbs loaded, Equal-i-zer WDH, TST 507 TPMS
2021: 35 nights already booked so far
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03-24-2016, 05:31 PM
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#9
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Senior Member
Join Date: Jan 2014
Location: Chantilly, VA
Posts: 1,075
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Quote:
Originally Posted by trbomax
I welded a 6" long piece of 4x4x 1/2 angle to the end of the bottle jack ram so that the "V" is up and lifts against the U-bolts.I use a 20 T jack just because the base and ram are bigger.Ive had this in multiple trailers since the 1970's and it works every time!
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That is a great idea...and a good reason to get out the plasma cutter and welder! Thanks.
__________________
Lee and Anne
2016 F250 2WD CC SB XLT 6.2 3,295 lb payload cap.
2014 Salem Hemisphere 282RK 8k lbs loaded, Equal-i-zer WDH, TST 507 TPMS
2021: 35 nights already booked so far
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03-25-2016, 01:15 PM
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#10
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Junior Member
Join Date: Mar 2016
Location: Pearland, Texas
Posts: 10
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good for dual axle trailers
I found a good solution for doing one wheet at a time with a fairly inexpensive device called a Trailer Aid Tandem Tire Changing Ramp. You drive one wheel up on it and the other wheel is held 1.5 inches off the ground. I think it is safer and faster than a hydrolic jack. There are several places to buy them but they are a little cheaper at Amazon.
Robot Check
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03-25-2016, 01:27 PM
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#11
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Arn
Join Date: Aug 2009
Location: Ottawa Valley, Ontario
Posts: 181
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Quote:
Originally Posted by rshirley10
I found a good solution for doing one wheet at a time with a fairly inexpensive device called a Trailer Aid Tandem Tire Changing Ramp. You drive one wheel up on it and the other wheel is held 1.5 inches off the ground. I think it is safer and faster than a hydrolic jack. There are several places to buy them but they are a little cheaper at Amazon.
Robot Check
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Doesn't work for all trailers. I can drive one axle onto a 3" ramp & the other axle is still on the ground. I was going to buy one of these but thought I'd make sure raising one axle would raise both. Glad I experimented first.
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Arn
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03-25-2016, 01:37 PM
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#12
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Senior Member
Join Date: May 2013
Location: Florida
Posts: 312
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Quote:
Originally Posted by Teamfour
Having trouble searching on iPhone. Just to raise the wheel an inch to pack bearing and adjust brakes. Can I jack under u-bolt?
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Yes, you can jack under the u-bolt. Jacking on the frame, particularly on an ultra light TT or 5er is a no-no. The frame is too thin to adequately support the weight.
Our dealer also recommended placing a 2"x6" ramp resting on a chunk of wood and driving the trailer up the ramp until the other wheel is dangling. Then work on the dangling wheel assembly. Safer than jacking 'cause the ramp and wood chunk are solid.
__________________
2013 Flagstaff 8528IKWS, 2006 F-350 6.0L
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03-25-2016, 01:53 PM
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#13
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Senior Member
Join Date: Jan 2014
Location: Chantilly, VA
Posts: 1,075
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Quote:
Originally Posted by rshirley10
I found a good solution for doing one wheet at a time with a fairly inexpensive device called a Trailer Aid Tandem Tire Changing Ramp. You drive one wheel up on it and the other wheel is held 1.5 inches off the ground. I think it is safer and faster than a hydrolic jack. There are several places to buy them but they are a little cheaper at Amazon.
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We tried that and our axles are too far apart for that to work. Thanks though.
__________________
Lee and Anne
2016 F250 2WD CC SB XLT 6.2 3,295 lb payload cap.
2014 Salem Hemisphere 282RK 8k lbs loaded, Equal-i-zer WDH, TST 507 TPMS
2021: 35 nights already booked so far
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03-25-2016, 03:58 PM
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#14
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Senior Member
Join Date: Mar 2014
Location: Watauga, Texas
Posts: 697
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Quote:
Originally Posted by rshirley10
I found a good solution for doing one wheet at a time with a fairly inexpensive device called a Trailer Aid Tandem Tire Changing Ramp. You drive one wheel up on it and the other wheel is held 1.5 inches off the ground. I think it is safer and faster than a hydrolic jack. There are several places to buy them but they are a little cheaper at Amazon.
Robot Check
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Yep, that is a good thing to have for flats and if you are hooked up. I have one and it is excellent. However if you are not hooked up, the bottle jack is the best for maintenance in storage.
__________________
D_B Travelers - 39 nights in 2018, 58 nights in 2017. [U]1st love: 2014 TT WJ3001w, now 2016 40' FW SOB, 2015 GMC 3500HD CC DRW Duramax, TST 507rv TPMS.
"Happiness? A good meal, a good cigar and a good woman - or a bad woman; it depends on how much happiness you can handle."
George Burns (1896 – 1996)
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03-25-2016, 05:23 PM
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#15
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Senior Member
Join Date: Nov 2014
Posts: 593
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I carry two jacks. 5 and 20 ton. I lift the frame first to unload the axles with the big one then jack on the bolts just enough to clear the ground with the smal one. I carry large 6X6 blocks to adjust the jack height.
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03-25-2016, 10:00 PM
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#16
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Senior Member
Join Date: Dec 2010
Location: East Berlin
Posts: 734
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X2 to what Harkerr posted, both my jacks are 20 ton.
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03-27-2016, 12:34 PM
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#17
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Senior Member
Join Date: Jan 2014
Location: Chantilly, VA
Posts: 1,075
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Floor jack under the u-bolts worked fine.
__________________
Lee and Anne
2016 F250 2WD CC SB XLT 6.2 3,295 lb payload cap.
2014 Salem Hemisphere 282RK 8k lbs loaded, Equal-i-zer WDH, TST 507 TPMS
2021: 35 nights already booked so far
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03-27-2016, 03:03 PM
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#18
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Senior Member
Join Date: Sep 2013
Location: Idaho
Posts: 9,839
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Quote:
Originally Posted by Teamfour
Floor jack under the u-bolts worked fine.
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__________________
2016 F350 6.7L LB CC Reese 28K 2014 Chaparral Lite 266sab
"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." 2014 19 days camping 2015 17 days camping201620 days camping
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03-27-2016, 03:18 PM
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#19
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Senior Member
Join Date: Jul 2015
Location: Louisiana
Posts: 652
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For those using the "Trailer-Aid", does it work with 16" tires?
__________________
2016 Ford F-350 Lariat CC, 4x4 SRW. B&W turnover with extender. 2015 CC Silverback 29RE, fitted with Reese Goose Box. Amateur Extra Class K5TS, 2016 nights camped 16
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03-27-2016, 03:21 PM
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#20
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Senior Member
Join Date: Sep 2013
Location: Idaho
Posts: 9,839
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Quote:
Originally Posted by Davidg
For those using the "Trailer-Aid", does it work with 16" tires?
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It's not tire size that causes an issue it IS the suspension.
__________________
2016 F350 6.7L LB CC Reese 28K 2014 Chaparral Lite 266sab
"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." 2014 19 days camping 2015 17 days camping201620 days camping
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