Master
So after getting the spare out of the boot I have been toying with ideas on how to fill it back up again...and I landed on a second air system to a) provide air for tyres and tools if needed, b) run as a backup to the factory suspension compressor, and c) run some air horns to make people get out of my way because victorians are **** at driving.
So the setup idea:
I needed to move the factory compressor from the center because, well thats just annoying, so the simple fix was, unbolt - move to the right (On a slight angle now) and bolt the 2 L.H sides down into the original R.H side threads. got lucky i think
power is taken directly from the second battery, thru a 40amp fuse (Compressor is 45amp). the switch is pulled from the original housing of the compressor, thru the pressure switch and to a control switch mounted under the R.H side "running bit thing" the supports the shelf.
An airline goes to a small reel that will sit in the rear draw shelf when complete and another goes to the front of the car where another nitto fitting will be available and the air horns.
What I will be trialing (when the parts arive) is a "T" piece from the large tank into the supply line to the factory tank where it will be governed by a normally closed air solenoid. This will then take the signal power to the factory compressors relay (disabling the compressor) and allowing air to pass from the large tank to the small tank in the event of a failure or excessive heat.
It all looks a bit clustered in the photos but you get the idea.
Thats how its going so far let me know what you think, and ill keep you all posted on how the testing goes. (after my week off on the beach next week)
Super Moderator & CA manager
SubscriberWhat pressure do the compressors run at? I thought they were quite high so wondering if the tank will take it? Also, has it thrown any fault codes? I know if the pressure reduces without the system calling for any, it assumes there is a leak. Likewise if you try and run the compressor without it being called for, it will throw a fault.
Let us know how you get on - looking on with interest.
If you need to contact me please email homestarrunnerau@gmail.com - thanks - Gav.
Master
Originally Posted by bacicat
What pressure do the compressors run at? I thought they were quite high so wondering if the tank will take it? Also, has it thrown any fault codes? I know if the pressure reduces without the system calling for any, it assumes there is a leak. Likewise if you try and run the compressor without it being called for, it will throw a fault.
Let us know how you get on - looking on with interest.
I believe the pressure is around 90 - 100 psi, I could be wrong at this point as I have not put a gauge on it yet and the information on the internet is a bit far and few between. The one I have now put in is good for 120 psi and the volume is not the issue as it is a 160l/m pump.
In terms of the pressure reducing with out it asking and visa versa, the solenoid controlled by the compressor signal should "mimic" the compressors activity but instead of running the small compressor it will take the already compressed air from the large tank. The one way valve should stop any back flow in the event of the large tank pressure being lower than the factory system.
This pic I have attached is a quick schematic sketch i slapped together so hopefully you can see and critique my plan some more
All just a theory at the moment, still waiting for the 6mm compression fittings from china hahha
Master
Sneaky little nitto fitting fits rather well in the L.H cubby hole in the floor.
Master
Be very very careful!
The classic and P38 pressure switch cuts out at 150PSI. Checking Rave, the L322 cuts out at 13.7 bar, about 200 PSI............
That could do some serious damage if your second tank isn't up to it or your second pump gives out.
2007/2002/2000/1994/1993/1988/1987/1985/1984/1981/1979/1973 Range Rover 1986 Wadham Stringer
and a Nissan Cube............
South Australia.
Master
Running 12v air compressors for pumping up tyres or running air tools is a waste of time & money. They just don't put out a decent volume despite their optimistic specs which are always measured at the compressor and not at the end of the hose. Also most 12v compressors fail after a few hours decent work.
Far better off running a proper compressor off the engine.
Master
For the amount of times i sit there and pump up my tyres ill stick with the $100 compressor tucked away in my boot that pumps them up in a time im happy with
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