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Questions about Air Compressor Qc and Alarm

Yahoo Message Number: 23881
A month or so ago we purchased a 2000 Magna. We are very pleased with the unit. We are still exploring the unit and have some questions.
First there is a quick connect (QC) for the air compressor in the compartment below the drivers seat. Does anyone know the style of quick connect it uses? I have style "M" in my shop, but that does not seem to fit. Second the unit accessory list shows it has an alarm and there are indicators that one is installed, but we did not get any key fobs. I plan on replacing the alarm module if I can find it. Does any one know where it is located?

Thanks
Frank

2000 Magna 5766

Re: Questions about Air Compressor Qc and Alarm

Reply #1 –
Yahoo Message Number: 23884
It is easier to just replace the fitting with one you use.

ddtuttle

2000 Allure #30443

Re: Questions about Air Compressor Qc and Alarm

Reply #2 –
Yahoo Message Number: 23886
It's probably a Senco style QC. Looks very similar to the "standard" fittings but won't lock on...the stem is a bit shorter.

I found one at a NAPA store/didn't know the type until I e-mailed CC.

Quote from: kyteflyer_2000
>

A month or so ago we purchased a 2000 Magna. We are very pleased

with

Quote
the unit. We are still exploring the unit and have some

questions.

Quote
First there is a quick connect (QC) for the air compressor in the > compartment below the drivers seat. Does anyone know the style of > quick connect it uses? I have style "M" in my shop, but that does

not

Quote
seem to fit. Second the unit accessory list shows it has an alarm

and

Quote
there are indicators that one is installed, but we did not get any

key

Re: Questions about Air Compressor Qc and Alarm

Reply #3 –
Yahoo Message Number: 23889
Frank-

Quote from: kyteflyer_2000
>
Second the unit accessory list shows it has an alarm and
Quote
there are indicators that one is installed, but we did not get any

key

Re: Questions about Air Compressor Qc and Alarm

Reply #4 –
Yahoo Message Number: 23890
Quote from: David Tuttle\[br\
]
It is easier to just replace the fitting with one you use.
Yes, that's what I did. But I tried airing up my tire and after 15 minutes of servicing air, I checked the tire pressure and it went down to 102 from 107. I was trying to get to 110. Need to find a better way.

Larry, 2003 Allure #30856

Quote
>

ddtuttle

2000 Allure #30443

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Re: Questions about Air Compressor Qc and Alarm

Reply #5 –
Yahoo Message Number: 23893
I noticed the same thing. We bought a used 2000 Magna last spring. It had no owner's manual (and we are suffering greatly for that)...
Anyway, I found two air supply fixtures. One under the driver's seat, and one in the engine compartment on the passenger side right near the engine compartment door. Both were heavily corroded, and both seemed unable to hold either of the commonly available air fixtures... So I converted them to the "M" style that I bought from Home Depot for all my other air tools in my garage.

I then went through the effort of finding and buying the special air supply fixture that is needed to fill air into the Alcoa wheels. I also bought the proper air guage. So, I expected to find it easy to check and adjust air pressure in the tires.
I seem able to make tire pressure adjustments... using the coach air compressor and suitable hoses-fixtures etc.... However it takes FOREVER!!!... I guess there is indeed 135 lbs of air (per the dashboard air supply guages). However, the volume of air is very small... so it takes a long time to make tire pressure changes.
At first I thought it was abnormal.... however your note makes me think this is common. So, I guess we don't need to worry... we just need time and patience...

Thanks for asking the question
-skip-

Re: Questions about Air Compressor Qc and Alarm

Reply #6 –
Yahoo Message Number: 23898
I ended up going to Home Depot and buying a small pancake compressor that would go to 150#. Takes up a little room, but well worth it for the ease and peace of mind.

Re: Questions about Air Compressor Qc and Alarm

Reply #7 –
Yahoo Message Number: 23899
There was a writeup somewhere about this but I can't seem to locate it.
If you are going to use the on-board air to inflate your tires, you need to understand the pressurization process. The normal high end of the system is approximately 120 psi. This will slowly deplete to approximately 90 psi before it is refreshed back to the 120 psi level by the air compressor on the engine. When you begin to air up, your system can be just about anywhere in that 90-120 psi range if the engine is running.
I use an in-line gauge on my inflation setup to monitor what's going on. It also has a dump button on it so I can release air from the line.
With the engine running, I hook up to one of the on-board air ports and I deplete the air reading to 90 psi so that the repressurization begins, as it approaches the level in the tire, I hook on to the tire with the inflation tool and watch it inflate to the correct level (105 in my case). It's inflating both the on-board tanks and my tire. I then quickly connect to the next tire and get it aired up too.
By the time I move to a third tire, the repressurization has probably reached the 120 psi mark and the compressor is off. I don't even bother trying to inflate the tire until I again deplete back to 90 psi. The process is followed again.
I easily can level off a pair of duals in one of these sequences, but sometimes can't quite get both front tires done in one sequence.

Works for me.
Mike

Larry Feather wrote:

Re: Questions about Air Compressor Qc and Alarm

Reply #8 –
Yahoo Message Number: 23901
Thanks Mike! That's good information and I'll have to try that. I gues to deplete to 90 PSI you could open the tire air hose, but I swear I depleted this once and the cockpit gages still read 120 PSI.
Have to try it again. Thanks

Larry, 2003 Allure #30856

Quote from: Mike Cebula \[br\
]
> There was a writeup somewhere about this but I can't seem to locate

it.

Quote
>

If you are going to use the on-board air to inflate your tires, you
need to understand the

Quote
pressurization process. The normal high end of the system is
approximately 120 psi. This

Quote
will slowly deplete to approximately 90 psi before it is refreshed
back to the 120 psi

Quote
level by the air compressor on the engine. When you begin to air
up, your system can be

Quote
just about anywhere in that 90-120 psi range if the engine is

running.

Quote
>

I use an in-line gauge on my inflation setup to monitor what's
going on. It also has a

Quote
dump button on it so I can release air from the line.
> With the engine running, I hook up to one of the on-board air ports
and I deplete the air

Quote
reading to 90 psi so that the repressurization begins, as it
approaches the level in the

Quote
tire, I hook on to the tire with the inflation tool and watch it
inflate to the correct

Quote
level (105 in my case). It's inflating both the on-board tanks and
my tire. I then quickly

Quote
connect to the next tire and get it aired up too.

By the time I move to a third tire, the repressurization has
probably reached the 120 psi

Quote
mark and the compressor is off. I don't even bother trying to
inflate the tire until I

Quote
again deplete back to 90 psi. The process is followed again.

I easily can level off a pair of duals in one of these sequences,
but sometimes can't

Quote
quite get both front tires done in one sequence.

Works for me.

Mike

Larry Feather wrote:
>
>

> -

Re: Questions about Air Compressor Qc and Alarm

Reply #9 –
Yahoo Message Number: 23902
The easiest way to accomplish this is to have your partner sit in the driver's seat with the engine running and when the compressor cuts off, have him/her pump the air brake pedal until the air pressure falls well below 90 psi and the compressor will cut back in and you can fill the tires while the compressor is running. Even using this method, it is difficult to get the pressure in the tires above 110 psi.

Brian Davis
Coach #11901

Re: Questions about Air Compressor Qc and Alarm

Reply #10 –
Yahoo Message Number: 23903
I set my engine fast idle to about 1000 or 1200 RPM and you can get the 110# presure you need. Works every time for me.

James Turner RV Having Fun 541-915-4951 93 Affinity

Re: Questions about Air Compressor Qc and Alarm

Reply #11 –
Yahoo Message Number: 23905
The really best way to air your tires is buy a pancake compressor at Sears, put the right fittings on the hose and you will not ever need the coach compressor or valve extenders. Get the right fittings from Les Swab or at a CCI rally and carry the compressor in the coach at all times. Then you will have 120 pounds available anytime you need it.

Bill G. 2005 Magna #6425

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Re: Questions about Air Compressor Qc and Alarm

Reply #12 –
Yahoo Message Number: 23906
I carry a CO2 tank that has pressure to 180 PSI. I have never found any compressor that goess to 120 PSI capable of filling tires that need 120 PSI. I use the Power tank which is about $400 but very small, portable and stand alone not requiring any power to run it.
Fill it for 8 dollars when needed which is not very often.

Kary

05 Inspire 36'
#51499

Re: Questions about Air Compressor Qc and Alarm

Reply #13 –
Yahoo Message Number: 23910
Another idea for you scuba divers out there. I have an adapter that connects to my power inflator I use to pump up all sorts of things. The first stage regulator knocks down the scuba tank pressure to 125 psi at the power inflator hose. Works great if you carry your scuba tank and equipment with you as I do.

Dean

95 Magna 38' #5233
Part-time meanderthal
'95 Magna 5233 - Luna

Re: Questions about Air Compressor Qc and Alarm

Reply #14 –
Yahoo Message Number: 23923
The easiest way to do this is to visit the nearest les swabb. Great fast service.

Gary Bender

04 Intrigue #11701

Questions about Air Compressor

Reply #15 –
Yahoo Message Number: 23928
1 vote against carry of separate air compressor. Little air compressor will put much water in tires. Dry fill from SCUBA or air brakes or CO2 tank will not wet tires or corrode wheels.
For less than $20 we have 50' yellow coiled plastic hose with fittings to connect to front drain valve. $24 bought each pressure gage in Junction City that fits rear tire valves. One gage is gage. Other gage has become a chuck to fill tires. 115 PSI is not a problem.
A 60' hose would be better & still be much smaller than separate compressor.

5 Inspire 51321
--

Thanks,

Eric Lee Elliott

eric@...
http://eric-elliott.com
870.635.0201

245 Rainbow Drive #14559
Livingston TX 77399 2045

Re: Questions about Air Compressor

Reply #16 –
Yahoo Message Number: 23933
Eric, that is good that you can fill your tires from on-board. On my coach CC states on that I am supposed to fill to 125#, that I can not do with on-board. And while the NHTSA is again doing an engineering analysis on us I think I should wait to run other than recommended pressures. I am secretly hoping that since the tires don't equal the load capacity of the axle..............
Is the small amount of moisture from the compressor a problem with the wheels?

ddtuttle

2000 Allure #30443

Re: Questions about Air Compressor

Reply #17 –
Yahoo Message Number: 23939
You can always add a water trap to keep moisture out of the air line from the compressor.
These are necessary to keep water out of an air-powered paint sprayer and should do the job if you are concerned about adding moisture to your tires. Should be available same place you bought your compressor.
Mike

David Tuttle wrote:

Re: Questions about Air Compressor

Reply #18 –
Yahoo Message Number: 23975
ddtuttle,

I would have to tweak the unloader valve to do 125 PSI in tires, then reset it for normal operation or get a better source of tire gas.
My shop compressor has had 2 filters & 2 water separators. Both ways it output clean wet air. Twice I have had wheels fail due to water. One leaked due to internal rust. One split 6" open, dumped pressure to 0 in a few yards. Both were steel wheels, same as your inner rear wheels are. Equal powder will soon be in my wheels for balancing. Equal needs dry gas in tires. Were 125 PSI required in my coach, the N2 pony bottle or CO2 cartridges would be attractive. Is CO2 OK in tires?

--

Thanks,

Eric Lee Elliott

eric@...
http://eric-elliott.com
870.635.0201

245 Rainbow Drive #14559
Livingston TX 77399 2045