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Old 10-13-2013, 11:52 AM   #1
Junior Member
Join Date: Oct 2013
Location: Peoria, IL
Posts: 8
Class A tire inflation...

Hi! As a recent purchaser of a Class A motorhome I discovered in my manual warnings concerning tire inflation and the possibility of the tire exploding. They advised to only have an expert perform this using a hose extension to enable him to stand clear of the tire in case of an explosion. Is this a real threat or just an over precaution because of it happening to someone in the past? I guess what I'm asking is how do you inflate the tires - yourself (performed carefully of course) or at a service garage?

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Old 10-13-2013, 11:59 AM   #2
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Workhorse Chassis Owner
Join Date: Jan 2002
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I have not heard about any MH owner and over-inflated tire blow up. Look at your sidewall markings and find the Max PSI rating. I have used my 110v Craftsman tire pump to go the the Max psi with no problems. I do stand off to the side, howsomever.

2003 Dolphin LX 6355 w/ W22 chassis; 8.1L gasser & Allison 1000
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Old 10-13-2013, 02:21 PM   #3
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I would expect that the issue began with the older split rims. Those were downright dangerous, as they could come apart with less than needed tire pressure. When they did, they came apart with explosive force and many times killed the man standing in front of it.

That said and the fact that RV rims are now drop center, not split rims, tires still do come apart. In fact, I was present when a tire repair man had one come apart that he was inflating. The tire was flat on a concrete floor and he was using a locking valve chuck. The tire let go and flew about 7 feet into the air. Sounded louder than a 12 ga shotgun blast. No one hurt, but a few clean shorts needed.

Get a couple of locking chucks, put them on a 3' lead and use them. Even today with the new drop center wheels, professional truck tire shops use inflation cages and locking chucks.
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