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09-06-2021, 04:25 PM
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#1
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Senior Member
Brand: Thor Motor Coach
Model: Magnitude SV34
State: Florida
Posts: 221
THOR #20809
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changing a tire using the leveling jacks..
is it possible to lift a tire off the gorund using the leveling jacks? in manual mode i cant seem to get a simgle jack to respond. only pairs at a time,eg, front, back, left ,right pairs. holding down 2 buttons doenst seem to do anything.
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09-06-2021, 04:49 PM
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#2
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Senior Member
Brand: Thor Motor Coach
Model: '17-Vegas 24.1
State: California
Posts: 2,222
THOR #13362
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All jacks are set up in pairs so you don’t “torque” the frame.
On my rig I raise the front end jacks together to change a front tire
Or
Right side together or left side together to change rear tire
That is, they say not to lift the rears together off the ground
Also, you may need a 4” block under jack foot to provide the extra lift
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'17 Vegas 24.1
Fallbrook, CA
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09-06-2021, 06:14 PM
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#3
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Senior Member
Brand: Thor Motor Coach
Model: Chateau 24F
State: Ohio
Posts: 4,087
THOR #16721
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Lifting both rear tires can be disastrous... that's the tires locked by the parking brake! Of course, my MH is sitting here in the back yard with one of the rear duallies barely touching the ground! But... fronts are solidly chocked.
Big Foot explicitly does not recommend using jacks to lift wheels for service. It's a liability issue. Can it be done? Certainly... if you know exactly what you're doing. And as taylorbob1 said... do not torque/twist the frame. My Big Foot jacks have a mode which drops them to even contact before leveling.
Kinda like using a tool for it's intended purpose... can you hammer with a pair of lineman's pliers?
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09-06-2021, 09:10 PM
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#4
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Senior Member
Brand: Thor Motor Coach
Model: Four Winds
State: California
Posts: 406
THOR #24260
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Lineman’s pliers, no way, flashlight,”dewalt “ works best.
I would never use jacks to change a tire, too fat to fly, and too dumb to try, besides, thats road service persons job. Cocktail hour until they arrive, multi tasking at its best.
Terry
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Terry and Geri
2017 Four Winds 35SD
2020 Grand Cherokee Toad
Semper Fi
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09-06-2021, 09:48 PM
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#5
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Senior Member
Brand: Thor Motor Coach
Model: Hurricane 31S
State: Texas
Posts: 4,157
THOR #6411
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Quote:
Originally Posted by Chateau_Nomad
Lifting both rear tires can be disastrous... that's the tires locked by the parking brake! Of course, my MH is sitting here in the back yard with one of the rear duallies barely touching the ground! But... fronts are solidly chocked.
Big Foot explicitly does not recommend using jacks to lift wheels for service. It's a liability issue. Can it be done? Certainly... if you know exactly what you're doing. And as taylorbob1 said... do not torque/twist the frame. My Big Foot jacks have a mode which drops them to even contact before leveling.
Kinda like using a tool for it's intended purpose... can you hammer with a pair of lineman's pliers?
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On the 18,000 lb, F-53 chassis, the parking brake is on the driveshaft. Lifting both rear tires off the pavement is just the same as lifting all four rear tires off the pavement together. If you must lift the rear, chock the opposite side with dual tire wheel chocks and lift only one rear side at a time. If you are going to climb under the coach, then jack stands are a must. My 6 tons were about $40 for a pair. They came handy when I installed my rear track bar or stringing electrical cable for the larger inverter, 50 amp power center and rear heat pump.
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Jim & Roy Davis
2016 Hurricane 31S
1961 Rampside in tow
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09-06-2021, 10:57 PM
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#6
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Senior Member
Brand: Thor Motor Coach
Model: Chateau 24F
State: Ohio
Posts: 4,087
THOR #16721
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Quote:
Originally Posted by Pillbox
Lineman’s pliers, no way, flashlight,”dewalt “ works best.
I would never use jacks to change a tire, too fat to fly, and too dumb to try, besides, thats road service persons job. Cocktail hour until they arrive, multi tasking at its best.
Terry
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I have redundant roadside coverage... AAA RV roadside assistance plus have roadside RV coverage on my insurance.
I may not have enough "cold ones" in the fridge for such an emergency... but I always make sure I have 1/3 tank of fresh water.
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09-07-2021, 12:57 AM
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#7
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Senior Member
Brand: Thor Motor Coach
Model: Forest River Forester 235
State: Indiana
Posts: 4,883
THOR #6826
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All good advice, but to answer your question…yes, the jacks can lift the coach safely. Know exactly what you’re doing and be careful and you’ll be fine. Last time I bought tires the dealer asked if I minded him using my jacks and that’s how he did it. In his level shop.
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09-07-2021, 12:59 AM
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#8
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Senior Member
Brand: Thor Motor Coach
Model: Magnitude SV34
State: Florida
Posts: 221
THOR #20809
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that all very interesting. Most cars are lifted via a frame point. I can see how the house body could be damaged by lifting and twisting the frame unevenly. I was installing cat eyes tire equalizers and needed to take the outside tire off on each side to do the install. Found that lifting the tire was done best at the axle spring perch. Overall it was straight forward but tough. God help anyone who might have to do it on their own on the side of the road at night.
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09-07-2021, 02:31 AM
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#9
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Senior Member
Brand: Thor Motor Coach
Model: Hurricane 29M
State: Texas
Posts: 2,672
THOR #11781
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I used the house jacks to lift the front when I installed my sumo springs. Some sort of cribbing or jack stand is recommended.
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Lt Keefer
2018 Hurricane 29M
CHF, Saf-T-Plus, SumoSprings
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