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07-11-2014, 03:10 PM
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#1
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Senior Member
Join Date: Mar 2014
Posts: 190
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Tires and air compressor
Hello folks I haven't been on the forum for the last two months. I finally picked up my new MotorHome from Nexus in Indiana. I purchased a 28p the P is for Phantom the unit is 30ft. Anyway really enjoying it. But going crazy spending money on items I need for it but I guess that's a part of it. I am looking to buy a air compressor for the tires Any recommendations? Also what is the best way to get the right air pressure in the tires without weighing the unit do I just go by the label on the door that The motorhome company put on it? Thanks this is all new to me
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07-11-2014, 03:16 PM
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#2
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Moderator Emeritus
Join Date: Jan 2007
Location: Litchfield Park, Arizona
Posts: 10,530
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Quote:
Originally Posted by Cola ny
Hello folks I haven't been on the forum for the last two months. I finally picked up my new MotorHome from Nexus in Indiana. I purchased a 28p the P is for Phantom the unit is 30ft. Anyway really enjoying it. But going crazy spending money on items I need for it but I guess that's a part of it. I am looking to buy a air compressor for the tires Any recommendations? Also what is the best way to get the right air pressure in the tires without weighing the unit do I just go by the label on the door that The motorhome company put on it? Thanks this is all new to me
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Welcome back.
I'll let others address the China and compressor questions, but I would probably use the PSI on the tires themselves until you can get it weighed and set them properly. The tires should be marked with the minimum PSI required to carry their maximum rated load. May well result in a rough ride for a while.
Best of luck
Rick
__________________
Rick, Nancy, Peanut & Lola our Westie Dogs & Bailey the Sheltie.
2007 Itasca Ellipse 40FD
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07-11-2014, 03:24 PM
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#3
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Senior Member
Newmar Owners Club Freightliner Owners Club Spartan Chassis
Join Date: Apr 2012
Location: ON THE ROAD...SOMEWHERE
Posts: 6,973
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I'm gonna carefully disagree with Rick. You should have a tire information sticker/plate near your driver's seat. It will have tire size and stuff like that. It will also give you tire pressure setting from the manufacturer. These are based on the manufacturer's best guess for the most loading the axle can take and also takes into consideration some % of difference between the left and right side. As Rick said, even those numbers could cause a harsher ride than you might have with tire pressure set to the specific weight of the axles but it will be sufficient to be safe.
When I picked up my coach from the dealer after purchase they had put 8 new tires on it. I should have checked the pressure. They put the maximum 120 PSI in all of them. According to the sticker they should have put 115 in the steerers, 85 in the driver & 75 in the tag wheels. Can you say HARSH ride?
__________________
Don, Sandee & GSD Zeus. Guardian GSDs Gunny (7/11/15) & Thor (5/5/15)
2006 2015 DSDP 4320 4369, FL Chassis, 2013 CR-V 2020 Jeep Overland, Blue Ox Avail, SMI AF1.
[SIGPIC][/SIGPIC]
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07-11-2014, 03:29 PM
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#4
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Moderator Emeritus
Join Date: Jan 2007
Location: Litchfield Park, Arizona
Posts: 10,530
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Quote:
Originally Posted by Sky_Boss
I'm gonna carefully disagree with Rick. You should have a tire information sticker/plate near your driver's seat. It will have tire size and stuff like that. It will also give you tire pressure setting from the manufacturer. These are based on the manufacturer's best guess for the most loading the axle can take and also takes into consideration some % of difference between the left and right side.
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No need to be careful Don. I get disagreed with a lot.
So does the mfgr sticker assume the rig is fully loaded to GAWRs?
Rick
__________________
Rick, Nancy, Peanut & Lola our Westie Dogs & Bailey the Sheltie.
2007 Itasca Ellipse 40FD
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07-11-2014, 03:36 PM
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#5
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Senior Member
Winnebago Owners Club Freightliner Owners Club
Join Date: May 2005
Location: Safety Harbor Florida
Posts: 288
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I agree with Don. The pressure indicated on the placard should be for a fully loaded (maxed out) coach. So once you have it weighed, you may be able to take some air out of the tires.
__________________
Bill, Kaye, Addie (Boxer Mix) & Rosie (Boxer Mix)
2017 Winnebago Grand Tour 45RL, 2020 GMC Sierra 1500 Denali
Blue Ox Tow Bar and Base Plate, Air Force One Braking System
Mountain Master Motorcycle Lift, 2018 Harley Davidson CVO Limited
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07-11-2014, 03:39 PM
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#6
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Senior Member
Join Date: Mar 2014
Posts: 190
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It looks like the manufacture sticker which is Ford was covered by the MotorHome company with their own sticker
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07-11-2014, 03:40 PM
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#7
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Senior Member
Newmar Owners Club Freightliner Owners Club Spartan Chassis
Join Date: Apr 2012
Location: ON THE ROAD...SOMEWHERE
Posts: 6,973
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Quote:
Originally Posted by RickO
No need to be careful Don. I get disagreed with a lot.
So does the mfgr sticker assume the rig is fully loaded to GAWRs?
Rick
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Mine does. I have to ASSUME that would be a DOT kinda of requirement.
It is pretty easy to verify simply by using the GAWR/2 and comparing that to the tire pressure chart. There should be some fudge room for more weight on one side than the other. Mine has some built in.
I talked to a Newmar dude in the know and they confirmed that was the case. I had that discussion with him because Newmar derated my front GAWR from 14,600 to 14,200 primarily for tire size. However, I found that my coach is pretty well balanced sift to side and I can easily run the axle at 14,600 and only have to use 115 PSI. I just had my coach weighed at the Spartan factory and was at 14,280 and can run 110 PSI for that weight.
Obviously, I can't speak directly to any other brand's approach to this but, again, I assume DOT guidelines would make them all do something similar.
__________________
Don, Sandee & GSD Zeus. Guardian GSDs Gunny (7/11/15) & Thor (5/5/15)
2006 2015 DSDP 4320 4369, FL Chassis, 2013 CR-V 2020 Jeep Overland, Blue Ox Avail, SMI AF1.
[SIGPIC][/SIGPIC]
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07-11-2014, 03:42 PM
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#8
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Senior Member
Newmar Owners Club Freightliner Owners Club Spartan Chassis
Join Date: Apr 2012
Location: ON THE ROAD...SOMEWHERE
Posts: 6,973
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Quote:
Originally Posted by Cola ny
It looks like the manufacture sticker which is Ford was covered by the MotorHome company with their own sticker
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That wouldn't surprise me based on my experience and my previous post. The coach manufacturer has the final say on that.
What does your sticker say and how does that compare to the max tire pressure for your tires.
__________________
Don, Sandee & GSD Zeus. Guardian GSDs Gunny (7/11/15) & Thor (5/5/15)
2006 2015 DSDP 4320 4369, FL Chassis, 2013 CR-V 2020 Jeep Overland, Blue Ox Avail, SMI AF1.
[SIGPIC][/SIGPIC]
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07-11-2014, 03:42 PM
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#9
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Senior Member
Winnebago Owners Club Freightliner Owners Club
Join Date: May 2005
Location: Safety Harbor Florida
Posts: 288
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Cola ny
There is a recent thread here that talks about various air compressors that people are using.
__________________
Bill, Kaye, Addie (Boxer Mix) & Rosie (Boxer Mix)
2017 Winnebago Grand Tour 45RL, 2020 GMC Sierra 1500 Denali
Blue Ox Tow Bar and Base Plate, Air Force One Braking System
Mountain Master Motorcycle Lift, 2018 Harley Davidson CVO Limited
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07-11-2014, 03:44 PM
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#10
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Community Moderator
Newmar Owners Club
Join Date: Feb 2011
Location: Point Pleasant Beach, NJ
Posts: 31,248
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Porter Cable makes a nice pancake style compressor. 135psi and it's 3.5 gal. Get it at Home Depot or Lowes $99
__________________
Tony & Ruth........... FMCA#F416727
2016 London Aire 4519, Freightliner chassis, Cummins ISX, 2018 Jeep Wrangler Unlimited, Blue Ox Avail with AF1. TST 507 TPMS
No amount of money can buy you an extra second of time.
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07-11-2014, 04:24 PM
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#11
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Senior Member
Join Date: Mar 2014
Posts: 190
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As far as PSI's what is the lowest on a compressor I should buy for class c
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07-11-2014, 06:02 PM
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#12
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Senior Member
Workhorse Chassis Owner Forest River Owners Club
Join Date: Jul 2013
Posts: 239
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Our C tops at 80 psi on rears. Others may be higher. You need some margin on the compressor. Our compressor is rated at 125 psi. It was about $60 at WM.
Paul
Big Dog House On Wheels
2013 Coachmen Freelander 28QB
on 2012 Chevrolet 4500
Using iRV2 app
__________________
Big Dog House On Wheels
2013 Coachmen Freelander 28QB
on 2012 E4500 Chevrolet chassis
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07-11-2014, 07:12 PM
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#13
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Senior Member
Join Date: Mar 2014
Posts: 190
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Hey Howie 80 PSI on the rear how about your front
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07-11-2014, 07:30 PM
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#14
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Registered User
Join Date: Mar 2013
Posts: 1,919
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Quote:
Originally Posted by TonyDi
Porter Cable makes a nice pancake style compressor. 135psi and it's 3.5 gal. Get it at Home Depot or Lowes $99
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I just bought one earlier this week. It is actually rated at 150 PSI. Unfortunately I bought it a little to late. Last week I had a blow out and the spare tire was at 40 psi and not 85. So I had to get it filled up at a service station. That was a waste of time and money. I spent the entire time on the pump to raise it 8 PSI. I was going to check the spare pressure before we left after I checked the other tires (I always do a tire check before each trip) but totally forgot about the spare. Im sure I will never need the compressor now but least I have one.
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