Tweet
As some of you are aware I have removed the air con from my truck and re-used the compressor to provide on board compressed air. I have attached some pics showing roughly how this was accomplished.
The air con radiator, engine bay pipe work and the tank behind the grill were all removed. The fittings that attach to the compressor were cut off the pipes and drilled and tapped to accept pneumatic fittings The blue pipe is the inlet, the white the outlet. The inlet side is fed from an airline oiler and a filter shown in the pic.
The outlet pipe is run down the chassis to the boot where it is plugged into a removable receiver tank. This was salvaged from an old compressor and means that it only needs to be fitted when needed - however this could be permanently fitted to the chassis under the truck.
Electrically you need a 12V feed (I took mine from the existing air con push button). This runs back to the pressure switch on the tank and then forward to the connection on the compressor. With the engine running, turning the air con switch on causes the compressor clutch to engage and start pumping air into the tank. When the set pressure is reached the pressure switch on the tank operates and the clutch drops out stopping the pump.
The pump is surprisingly efficient, taking the pictured tank to 100psi in less than 2 mins. At the weekend we used it to reseat and fill two tyres that had been pulled off the rims by a roll with no problem.
The air con radiator, engine bay pipe work and the tank behind the grill were all removed. The fittings that attach to the compressor were cut off the pipes and drilled and tapped to accept pneumatic fittings The blue pipe is the inlet, the white the outlet. The inlet side is fed from an airline oiler and a filter shown in the pic.
The outlet pipe is run down the chassis to the boot where it is plugged into a removable receiver tank. This was salvaged from an old compressor and means that it only needs to be fitted when needed - however this could be permanently fitted to the chassis under the truck.
Electrically you need a 12V feed (I took mine from the existing air con push button). This runs back to the pressure switch on the tank and then forward to the connection on the compressor. With the engine running, turning the air con switch on causes the compressor clutch to engage and start pumping air into the tank. When the set pressure is reached the pressure switch on the tank operates and the clutch drops out stopping the pump.
The pump is surprisingly efficient, taking the pictured tank to 100psi in less than 2 mins. At the weekend we used it to reseat and fill two tyres that had been pulled off the rims by a roll with no problem.
Attached Files
Looks good!
: 
Comment