After drooling over Wooders' OBA setup at Jambo I decided to actually finish my onboard air setup.
The original Idea was a York compressor (6+cfm engine driven ex-aircon pump) supplies air to truck brake air tank to quick connect chuck for air tools, tyres, etc. Have proper lockers so don't need any silly air in my diffs :P
York compressor part of project is reco'd and ready to be installed just waiting on a pulley to drive it..coming soon.
In the meantime the boys at KAOS4x4 installed my truck air tank vertically on the cargo barrier (sourced from brissie truck wreckers & smuggled home in airline baggage to ACT.Comes with draincock and extra threaded ports). Judging by my usual driving style in the cab is the best place for it
Went and got an array of Ryco-type brass air/gas fittings. Only one I couldn't find was the one for the main tank port. Adapter I sourced at a camping store was the right thread but wrong direction
Solution - hammer a std 1/4" quick disco fitting (all $2 worth) into the supplied olive fitting from truck tank - success ! well sort of..then had to braze around the joint to stop air leakage. All cool now !
so setup for now is :
existing faithful Blue Tongue III 1.37cfm elec compressor draws air through it's foam filter into 5 way manifold.
1 port : stopcock to winch for cooling
2 port :110psi blowoff valve
3 port : air line for tools, tyres, etc
4 port : blue tongue
5 port : 1 micron filter then to truck tank via small air line joiner.
A pic tells a bazillion words so here tis :
dodgey (but airtight) brazing of custom truck tank fitting. 1/4 threaded fitting bashed into weirdass sized ex-olive fitting.
Manifold (thankyou supercheap auto) with routing.
All connections are Ryco style and bought from either Bunnings, Supercheap auto or Magnet Mart.
Project costing :
truck tank : $15
air line : (already had thin stuff for tools/tyres with BTIII). new stuff to go to winch motor and small joint for truck tank : $10 - 5m
Ryco brass fittings + 5 way alloy manifold : $30
Filter : stolen from mate : $0 normally $15
Blow off valve : stolen from mate : $0 normally $15
Teflon tape : $2
Total : $57 ($87 for no thieving from friends)
Results : Dunno only finished it tonight - will let u know
But it took about 40 mins to fill 110psi b4 the blowoff actuated. air to BURN !
Now looking at the diagram I'll prob end up moving the filter to replace the foam one the BTIII uses which will remove one link in the chain and ensure all air is properly filtered. nb - the 1 micron filter is removeable & replaceable. It's a small paper tube inside the filter bowl. It doesn't have to be used but is a nice bonus
