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08-20-2019, 08:07 PM
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#29
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Senior Member
Join Date: Oct 2018
Location: Prince William, VA
Posts: 345
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Quote:
Originally Posted by BigEvi
Sorry to thread jack...Is there a reason one couldn't just plug a hose into the coach's air system?
My coach air system runs about 125psi and my front tires are only 115 and rears 95. Seems like it should work? But there must be a reason no one recommended it.
-E
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From
My understanding, it comes down to that key metric already mentioned, throughout, commonly measured as SCFM (Standard Cubic Feet per Minute). In short, yes your coach’s built in air system can probably be used to fill your tires, but it’s going to take a while.
There are some that mod their built in compressors with air chargers to ramp up the throughput so that they don’t have to carry a compressor. Bit much imo.
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08-20-2019, 09:01 PM
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#30
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Senior Member
Forest River Owners Club Ford Super Duty Owner
Join Date: Dec 2014
Posts: 1,024
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Quote:
Originally Posted by Lt Dan
Porter Cable is what I use. It's not a pancake, but it only weighs 20lbs and adds air very quickly.
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X2 great compressor
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08-20-2019, 10:47 PM
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#31
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,655
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Quote:
Originally Posted by Sbrownstein
Easy. Depart somewhere in the NE at 20 degrees ambient with 93#. Travel south to Florida in the winter. Morning temperature 75 degrees ambient, 104#. Maybe within tolerance but I don't like cold pressures that high.
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That is a personal preference, absolutely not necessary.
__________________
2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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08-21-2019, 04:47 AM
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#32
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Senior Member
Join Date: May 2017
Posts: 253
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Quote:
Originally Posted by BigEvi
Sorry to thread jack...Is there a reason one couldn't just plug a hose into the coach's air system?
-E
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When one doesn't have a coach air system. I am but a lowly Bay Star. I don't have all those fancy things.
__________________
2019 Newmar Bay Star 3401
2020 Jeep Wrangler JL Sport S
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08-21-2019, 04:54 AM
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#33
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Senior Member
Ford Super Duty Owner
Join Date: Dec 2010
Posts: 1,799
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Quote:
Originally Posted by Ray,IN
That is a personal preference, absolutely not necessary.
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So cold pressures are a personal preference? I don't think so.
__________________
Scott Brownstein
Palm Island, Florida
2015 Georgetown 335DS
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08-21-2019, 05:09 AM
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#34
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Senior Member
Join Date: May 2017
Location: Bushnell, Florida
Posts: 120
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Quote:
Originally Posted by Mapnerd
From
My understanding, it comes down to that key metric already mentioned, throughout, commonly measured as SCFM (Standard Cubic Feet per Minute). In short, yes your coach’s built in air system can probably be used to fill your tires, but it’s going to take a while.
There are some that mod their built in compressors with air chargers to ramp up the throughput so that they don’t have to carry a compressor. Bit much imo.
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Onboard air with an SMC air doubler works great. Doubler is smaller than the standard coach fire extinguisher.
Couple that with an air hose reel and you can handle coach and toad quickly.
__________________
Jim at Holmstead Farms
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08-21-2019, 08:13 AM
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#35
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Senior Member
Join Date: Aug 2016
Posts: 3,400
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Quote:
Originally Posted by Allentc2
Gotta admit, that one looks nice! I went with a Bostitch BTFP02012. Probably a little overkill. 150psi max, 2.6SCFM, and a 6 gallon tank. It'll come in tomorrow, so this weekend I'll go out to the coach, pull the anti-theft caps off my sensors, air everything up, and put the sensors back on.
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Since you decided to go with a tank compressor, it will create condensation inside the tank and you don't want to be putting "wet air" inside your tires. Installing a normal compressor air dryer system in your coach will just take up more additional space. So at least buy a portable air dryer and attach it to the end of your inflating device and hose before you fill your tires.
Something like this:
https://www.amazon.com/Motor-Guard-D...gateway&sr=8-7
Personally, we went with the 12v VIAIR 450 RV compressor also, to eliminate that problem and has a smaller foot print but did cost more.
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08-21-2019, 08:45 AM
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#36
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Senior Member
Join Date: Oct 2018
Location: Prince William, VA
Posts: 345
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Quote:
Originally Posted by Holmstead
Onboard air with an SMC air doubler works great. Doubler is smaller than the standard coach fire extinguisher.
Couple that with an air hose reel and you can handle coach and toad quickly.
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That’s correct, Air doubler - not air charger. I only meant it’s a bit much in the sense that it’s a bit of work when you could just carry a smallish air compressor. No doubt that it works great. Certainly an option if you’re willing to do the work or pay for it to be done.
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08-21-2019, 09:39 AM
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#37
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Senior Member
Join Date: May 2017
Location: Bushnell, Florida
Posts: 120
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Quote:
Originally Posted by Mapnerd
That’s correct, Air doubler - not air charger. I only meant it’s a bit much in the sense that it’s a bit of work when you could just carry a smallish air compressor. No doubt that it works great. Certainly an option if you’re willing to do the work or pay for it to be done.
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There is no extra work. In my case, short hose from doubler to coach fitting and another hose from doubler to reel.
Reel hose reaches all coach tires and our toad. In our case all I do is quick connect short hose to coach, start coach and put air in tires - quickly!
__________________
Jim at Holmstead Farms
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08-21-2019, 09:40 AM
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#38
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Senior Member
Join Date: Mar 2017
Location: Redmond, Or.
Posts: 1,659
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We opted for the Viair 450 RV setup. More expensive, but very reliable and will work on about anything you will ever need to out air into - plus the 60 foot hose availability makes it easy to get around the motorhome. We also use the non flow thru TST TPMS system and it is a simple process to remove them to air up the tires. Very happy with both setups.
__________________
2017 Tiffin Allegro Red 33AA
Cummins ISB 6.7 L
2020 Jeep Rubicon Unlimited
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08-21-2019, 12:14 PM
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#39
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Community Administrator
Tiffin Owners Club
Join Date: Sep 2013
Location: DFW, Texas
Posts: 21,267
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Quote:
Originally Posted by BigEvi
Sorry to thread jack...Is there a reason one couldn't just plug a hose into the coach's air system?
My coach air system runs about 125psi and my front tires are only 115 and rears 95. Seems like it should work? But there must be a reason no one recommended it.
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Yes, you can do that but your coach air is constantly cycling up and down and will drop to about 90-100psi before the compressor kicks back in. In that case you are bleeding air out of the tires instead of putting air in. Some have added a bleed off valve in the air line to force the engine compressor to cycle more. Personally, I don't like to have the 380hp engine idling just to air up a tire when I can do it in a minute with a 150psi compressor.
Just my $0.03 (inflation) worth, other opinions will obviously vary.
__________________
2017 Phaeton 40IH XSH Maroon Coral - Power Glide Chassis with IFS
Previous '15 Tiffin Allegro RED 38QRA and '06 Itasca Sunrise 35A
'16 Jeep JKU Wrangler Sahara or '08 Honda Goldwing
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08-21-2019, 12:27 PM
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#40
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Senior Member
Monaco Owners Club
Join Date: Oct 2014
Location: Rigby, Idaho
Posts: 3,902
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Quote:
Originally Posted by Lt Dan
If you remove the "anti theft" shells on the sensors they are as easy to put on and and take off as regular valve stem caps.
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Ok LT, how does one do that?
__________________
Cheers,
TonyMac
2006 Monaco Safari Cheetah 40PMT
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08-21-2019, 12:39 PM
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#41
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Senior Member
Join Date: Apr 2019
Location: Arisona
Posts: 700
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Got this one from lowes was additional 20.00 off on father's day. Inflated 275/80 R 22.5 tires 90-95 psi (+5) in about 1 minute per tire.
https://www.lowes.com/pd/Kobalt-2-Ga...sor/1000226861
__________________
2023 GD Imagine XLS 23LDE 2022 Ford F-150
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08-21-2019, 01:00 PM
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#42
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Community Administrator
Tiffin Owners Club
Join Date: Sep 2013
Location: DFW, Texas
Posts: 21,267
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Quote:
Originally Posted by TonyMac
Ok LT, how does one do that?
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I can only speak to the TST sensors, but there are three tiny screws on the underside of the outer shell. Remove the screws and you can take the shell off. It's nothing more than an outer casing that turns freely so that you have to use the tool to remove the sensor. The inside sensor looks exactly like the outer casing, just a bit smaller. With the outer casing off, you can turn the sensor just like a regular valve stem cap plus it's a little lighter. I've never had anyone tamper with the sensors even with the anti theft shell off.
__________________
2017 Phaeton 40IH XSH Maroon Coral - Power Glide Chassis with IFS
Previous '15 Tiffin Allegro RED 38QRA and '06 Itasca Sunrise 35A
'16 Jeep JKU Wrangler Sahara or '08 Honda Goldwing
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