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10-15-2014, 07:00 PM
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#1
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Member
Winnebago Owners Club
Join Date: Sep 2014
Posts: 53
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Using MH compressor to inflate tires?
I am wondering if anyone uses the MH compressor to inflate tires. I need to inflate to 120 pounds. Don't think would provide enough pressure.
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2015 Tour QD
GMC Terrain 2012
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10-15-2014, 07:14 PM
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#2
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Senior Member
Join Date: Apr 2014
Location: Des Moines, Iowa
Posts: 255
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I think it will. Now I don't know that first hand but form what I've read, lots of people have tapped into the onboard air and inflate their tires. I've heard it mentioned that you do need to get the compressor cycling (running) to get up to the higher pressures.
I'm planning to add a quick release valve and 50' of hose just for this very reason.
Robby W.
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10-15-2014, 07:17 PM
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#3
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Member
Monaco Owners Club
Join Date: Sep 2009
Location: Smyrna, TN
Posts: 57
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I put a pressure gauge on my found out it was putting out 120psi. I use my all time. It is a little slower then using a regular compressor but it will get the job done.
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10-15-2014, 07:42 PM
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#4
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Senior Member
Fleetwood Owners Club
Join Date: Jan 2010
Posts: 1,391
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You will be talking to yourself by the time you get done. Buy a Porter Cable 150 lb or a craftsman 150. Doesn't take up a lot of room and works well.
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10-15-2014, 08:02 PM
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#5
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Senior Member
Monaco Owners Club
Join Date: Dec 2009
Location: Underwood WA
Posts: 453
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I do it all the time, abeit only to 110. But 120 would be no problem.
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Bev & Dick and Fuzzy the cat
2005 Safari Cheetah 38
2009 Honda CRV dinghy
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10-15-2014, 08:03 PM
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#6
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Community Administrator
Join Date: Aug 2009
Posts: 53,543
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Quote:
Originally Posted by stuhly
you will be talking to yourself by the time you get done. Buy a porter cable 150 lb or a craftsman 150. Doesn't take up a lot of room and works well.
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__________________
Cliff,Tallulah and Buddy ( 1999-2012 )
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10-15-2014, 08:43 PM
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#7
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Senior Member
Tiffin Owners Club Freightliner Owners Club
Join Date: Aug 2014
Posts: 1,899
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There I s a good YouTube video on this. Your coach air system pressure varies between 75 psi and 120psi. The video shows how to put a "Tee" on the input of your inflator so you can see when the system has higher pressure than your tire. My opinion is 120 is too high of a target to use the coach compressor.
I also use mine, but I only need 10 psi.
Dan
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2014 40QBH Phaeton DP Cummins 380HP ISL, Freightliner XC, 2019 Jeep Grand Cherokee Trailhawk TOAD
Blue Ox Aventa tow bar, SMI Air Force One -Cave Creek, AZ.
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10-15-2014, 08:58 PM
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#8
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Senior Member
Join Date: Jan 2009
Posts: 1,451
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Leave the motor running. The motor produces a lot more air than the electric compressor. I would suggest getting a air chuck to you are not in front of the tire when inflating it. Occasionally RV tires blow up when being inflated. You can experience serious injury if this happens. My local Goodyear truck tire guy always stands away when he inflates the tires. I got my stand away air chuck on Amazon for under ten bucks.
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B Bob
Currently Coachless
2013 Jeep Wrangler Unlimited
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10-15-2014, 09:12 PM
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#9
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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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Our OEM Michelin tires needed 125 psi but the wheels were only rated to take 120. I tried using the onboard air and spent an hour trying to get to 120. Went and bought a 120 V Coleman tank unit that doe just fine. Changed to larger front tires that only need 105 but still use the Coleman unit.
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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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10-15-2014, 09:17 PM
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#10
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Senior Member
Country Coach Owners Club
Join Date: Dec 2010
Posts: 7,796
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People will really love you if you are in an rv park trying to inflate to 120 with the motor running. Sure the motor driven compressor will go to 120-125 but it is the volume that is needed.
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10-15-2014, 09:41 PM
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#11
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Senior Member
Newmar Owners Club Freightliner Owners Club
Join Date: May 2012
Location: Today? Clayton, North Carolina
Posts: 5,093
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Quote:
Originally Posted by B Bob
...... Occasionally RV tires blow up when being inflated. .......
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Do you have any stats on this? Or know where they can be found? I know that it happens, but according to what I've read the overwhelming number of cases occur during initial installation or maintenance-- overinflating to seat the bead-- or through over inflation due to lack of attention. I'd like to see numbers on random, accidental explosions. Maybe Tireman9 might chime in here.
__________________
John and Diane (RIP Lincoln, 21 FEB 22) RVM103 NHSO
Fulltimers since June, 2012
2002 Dutch Star 40, Freightliner, Cat 3126, 2004 Element
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10-16-2014, 04:44 AM
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#12
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Senior Member
Join Date: Nov 2011
Posts: 179
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The concern of tires blowing up while being inflated is no longer a major issue. Years ago the old style split rim wheels cold blow apart if the lock ring was not in place properly. There are very few of these old wheels still around on RVS. The new rims are just overgrown car wheels.
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[SIGPIC][/SIGPIC]2005 Newmar Kountry Star DP
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10-16-2014, 04:56 AM
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#13
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Senior Member
Join Date: Apr 2011
Posts: 2,569
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Been doing this on the last five mh's. Present mh steer tire pressure requires 120psi with no problems.
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American Tradition 42R-Cadillac SRX Blue Ox Koni 5050XL MCD Scangauge D Samsung rf197
Fulltime since 2012
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