I have one gauge for air pressure on my dash
One white and one red indicator .. I assume one is for brakes? and one for suspension?
Mark
Mark,
One needle is for the front air tank the other for the rear(not your wet air tank).
Pamela & Mike
On our dash air gauge, the red needle is the "front" tank, and the white needle is the "rear" tank. Both these tanks are located in nose of coach right behind the front "bumper". Wet tank is mounted near the rear axel. I installed a handy gauge in the engine compartment that reads wet tank pressure. Tapped into one of the unused ports on the D2 with a small valve, then ran braided hose up to the gauge.
Mark,
To fully understand your air system, you will need a schematic. If you didn't get one with the coach, try calling FOT and asking...in some cases they can provide one. If not, another owner of same year/model coach may be able to email one. Same goes for electrical system...
Thanks Guys,
I have no front tanks.. all three are side my side mounted center of the coach.... and all three
are pretty much not accessible
Yes, I wish I had the schematics for air and electrical... I did call Foretravel... they wouldn't let me talk with a tech because I'm not a member of the wagon train
Front tank means the "dry air" tank that's plumbed to provide air for the front brakes, etc. Not necessarily at the front of the coach.
Mark, here is the simple answer:
Many years ago, both cars (with hydraulic brakes) and trucks (with air brakes) had ONE system. If a hydraulic (Brake) line rusted through or an air line broke, you had NO BRAKES!!! Don't ask me how I know that!! :o :o :o
The Guvmint decided this was TOO dangerous (I agree!!!) so, they mandated all vehicles have two systems separated by safety interlocks so that if you lose a line in one system, the other one will still work well enough for you to stop (mostly). :) :o :) :o :) :o
There have been a number of additions and revisions to the basic systems since then but on vehicles with air brakes the tank(s) with the white needle gauge usually have the air suspension and other air operated devices and front brakes, the tank(s) with the red needle gauge usually operate the rear brakes only. There are lots of check valves & other features to keep the tank(s) separate in case of emergency.
This is ONLY a very simple explanation. In order to understand or service the air system you REALLY need a schematic of YOUR system, as has already been noted.
Bendix has a number of very good tutorials on their site.
TOM
If you call FOT parts, they will sell you a complete copy of your owner's manual with schematics. I was just there last week and they have the offer posted on the parts window. Prices vary depending on the year of your coach and wether you take it electronically or paper.
Rich
"If you call FOT parts, they will sell you a complete copy of your owner's manual with schematics. I was just there last week and they have the offer posted on the parts window. Prices vary depending on the year of your coach and wether you take it electronically or paper"
Several years of data were consumed by the fire several years ago.
The '93 U300 for one that I know of.
They made me a "similar" copy
same price though
This is posted in the FOT RV park Washer/Dryer room.
Good Luck, Dave A
Guess the "your first year of Motorcade Club membership is free" benefit has been eliminated :thumbsdown:
I don't think membership is automatic; Mark would have to ask for it.
Trent
Motorcade.. yes.. I asked for it and was told the first year is still free.. a 75 dollar value if I remember correctly.. but then she added, sorry cant let you speak to a tech.. you have to pay 25 dollars a year to do that.. they put this rule into effect the first of the year she said... I didn't have a credit card with me at the time... and I just never called back.. she was very nice though.
The two air gauges indicate the Primary and Secondary air pressure. not dry air and wet tank etc, etc. just Pri & Sec pressure.