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06-04-2018, 06:35 AM
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#1
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Junior Member
Join Date: Dec 2017
Posts: 7
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Finally level?
Ugh. I tried for over an hour to get level. Blocks kept moving. Tried so many different things. I don't really have enough blocks to do it how I would like to.
Finally got level, but, not totally centered on the front passenger side tire. Seems stable enough, however, I'm slightly worried about tire damage. The tires are good (2016) and inflated about to suggested 80 lbs. and the rv is a 29 ft. Class c. Will only be here for 1 week and the tire is not in direct sunlight. Think it's ok to leave it like this or will it cause tire damage? Thanks in advance everyone.
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06-04-2018, 06:55 AM
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#2
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Senior Member
Join Date: Jul 2014
Posts: 35,417
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If your riding the brake pedal and adding gas, to climb up on the blocks, the blocks will shift and slip on you often.
I found that if you set the parking brake partially, and keep your foot off the brake pedal, you can just use the gas to climb the blocks without them kicking out. The front tires are free to roll.
It looks like you have over half the tire supported, you should be fine.
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06-04-2018, 07:00 AM
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#3
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Community Moderator
Monaco Owners Club
Join Date: Jul 2016
Location: Central, Arkansas
Posts: 11,285
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Those plastic blocks are not really designed for soft dirt like that. I would find some actual wood blocks to put under them in the future if you are not going to be on a solid surface. I think you are good to go though for this round just make sure your emergency brake is set and you raise you stabilizers/leveling jacks before releasing it when it is time to go.
__________________
2004 Beaver Monterey Laguna IV
Cummins ISC 350HP Allison 3000 6 speed
2020 Chevy Equinox Premier 2.0t 9 speed AWD
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06-04-2018, 07:38 AM
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#4
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Senior Member
Join Date: Jul 2012
Posts: 2,565
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I used some 2x6 and made 2 ramps. Angle cut the ends 2 high with each flat part long enough for a tire to sit on. That way almost 2 inches on the first and almost 4 inches on the second. If need be I use both under one rear side to level and fully support the rear tires.
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06-04-2018, 08:01 AM
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#5
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Registered User
Join Date: Apr 2014
Location: Victoria, BC
Posts: 848
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I would not leave it as shown in your photo...the outside sidewall of that tire is not supported properly and the inside sidewall is taking the load. That small wood block on top is barely touching 1/2 of the tread.
You don't have enough plastic blocks to create a proper ramp, that's why they are moving. Try using a 2x8 in conjunction with your blocks to have a more gradual rise.
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06-04-2018, 08:18 AM
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#6
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Senior Member
Join Date: Jul 2014
Posts: 35,417
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The sidewall, the thinnest part of a tire, doesn't support the load, the air inside does. Thats pushing out in every direction.
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06-04-2018, 08:30 AM
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#7
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Every tire company manual I've ever read says the entire width of the tread must be supported by the blocks, not just partially or half. Full width only.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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06-04-2018, 08:40 AM
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#8
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Senior Member
Join Date: Jul 2012
Posts: 2,565
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X2! Also both tires on a dually, not just the inner or outter tire, both!
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06-04-2018, 08:59 AM
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#9
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Senior Member/RVM #90
Monaco Owners Club
Join Date: Nov 2002
Location: Columbus, MS
Posts: 54,768
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Quote:
Originally Posted by Mr_D
Every tire company manual I've ever read says the entire width of the tread must be supported by the blocks, not just partially or half. Full width only.
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X2!  
__________________
Joe & Annette
Sometimes I sits and thinks, sometimes I just sits.....
2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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06-04-2018, 10:00 AM
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#10
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Senior Member
Join Date: Nov 2014
Location: Tempe, Az
Posts: 231
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Ramblingdan,
Who suggested you inflate the tires to 80 psi? Did they weight your coach at all 4 corners, then consult the tire chart for the correct psi?
Normal class C has 16" tires, if so, 80 psi is too much air. That is probably the maximum for the tire when fully loaded.y
__________________
Harry
Tempe, Az
2019 Wonder FTB.
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06-04-2018, 10:40 AM
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#11
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Senior Member
Join Date: Jan 2017
Location: Little Rock, Arkansas
Posts: 2,594
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We've used the plastic blocks as well, and Polyian said above, you don't have enough. There's too tall a step to get up to the second level. We stacked ours as below, and they worked fine. Of course, it takes 10 to get four levels high.
The blocks we used had a little tab on one end that worked as a little ramp. We just stuck them to the side on the center blocks.
For soft surfaces we carried some wood to place under them to keep them from sinking.
And I wouldn't personally be comfortable with it sitting half off like that. Maybe it's OK, but I'd fix it.
__________________
2021 Keystone Outback 221UMD
2018 Tundra Limited 5.7 liter
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06-04-2018, 10:46 AM
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#12
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Senior Member
Join Date: Jul 2012
Posts: 2,565
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Mine on the door from FR says 75 psi front and 80 psi for all 4 rear tires.
Quote:
Originally Posted by Harrysait
Ramblingdan,
Who suggested you inflate the tires to 80 psi? Did they weight your coach at all 4 corners, then consult the tire chart for the correct psi?
Normal class C has 16" tires, if so, 80 psi is too much air. That is probably the maximum for the tire when fully loaded.y
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06-04-2018, 11:02 AM
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#13
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Senior Member
Join Date: Mar 2015
Posts: 2,984
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The placard tire pressure is the RV manufactures recommendation for when you are at GVWR, are you? For tire pressure, do you think the RV manufacturer knows better than the tire manufacturer?
__________________
'04 Newmar Mountain Aire 4016
400ISL/Freightliner
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06-04-2018, 11:10 AM
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#14
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Senior Member
Join Date: Jul 2012
Posts: 2,565
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87000 miles can't be wrong so far. I do this with all the vehicles I own!
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