System Components A-4900/A-6913 Roadranger Valve Constant air pressure is supplied from the slave valve to the Roadranger valve “S” port (1). For LO range (range lever down (2), splitter button rearward (3), air flows out of the Roadranger valve “P” port (4).
For HI range (range lever up (2), splitter button rearward( 3), the lever prevents the air from passing through the Roadranger valve: air now flows through the “H/L” port (4) into the Roadranger valve.
For splitter operation (range lever up (2), splitter button forward (3),air flows through the “H/L” port and air flows out of the Roadranger valve “SP” port (4). Air pressure which was in the outlet line is exhausted out the bottom of the Roadranger valve.
The roadranger valve mechanical interlock prevents forward movement of the splitter button while in LO range.
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