UNDERHOOD 70 and 150 Generic System Flow Diagram

Technical Support Subject UNDERHOOD™70 and 150 Generic System Flow Diagram Version Document Department Revision Details Revised by Tech Engineering Implemented A EXT-UH-006 Tech Document Release BDJ 21May 2021 DSB N/A 21 May 2021 Knowledge Base: kb.vmacair.com/ Page 1 of 1 Email: tech@vmacair.com Web: www.vmacair.com Technical Support: 1(888)241-2289 Toll Free:1(800)738-8622 Fax: 1(877)740-3201 SYSTEM OR PARTS AFFECTED • UNDERHOOD™70 Air Compressor Systems • UNDERHOOD™150 Air Compressor Systems OVERVIEW The diagram below illustrates the generic hose connections and flow in UNDERHOOD™ 70 and UNDERHOOD™ 150 air compressor systems. Component locations may vary for each specific UNDERHOOD™ air compressor system. For additional information, refer to VMAC installation manuals for specific hose routing and install instructions. Air/oil discharge (hot) Compressor to AOST 1/4 in Scavenging line - Bottom of blowdown cap to inlet Oil return (hot) from AOST to Cooler Air/Oil Separator Tank (AOST) Oil return (cooled) Cooler to compressor Engine coolant 3/16 in Pressure control lineTop of blowdown cap to inlet or remote regulator Compressor VMAC Cooler Air discharge to tools