Warren Rupp, Inc. • A Unit of IDEX Corporation • 800 N. Main St., Mansfield, Ohio 44902 USATelephone (419) 524-8388 • Fax (419) 522-7867 • warrenrupp.comhdb2dl3sm-rev0217Table of ContentsEngineering Data and Performance Curve............................................................ 1Explanation of Pump Nomenclature ...................................................................... 2Dimensions ............................................................................................................ 3Principle of Operation ............................................................................................ 4Installation and Start-Up ........................................................................................ 4Air Supply .............................................................................................................. 4Installation Guide ................................................................................................... 5Air Inlet & Priming .................................................................................................. 6Air Exhaust ............................................................................................................ 6Between Uses ....................................................................................................... 6Check Valve Servicing ........................................................................................... 6Diaphragm Servicing ............................................................................................. 6Air Valve Lubrication .............................................................................................. 7ESADS+Plus®: Externally Serviceable Air Distribution System ................................ 7Pilot Valve .............................................................................................................. 8Pilot Valve Actuator................................................................................................ 8Service Instructions: Troubleshooting ................................................................... 9Warranty ................................................................................................................ 9Recommended Accessories, Available Service Kits.............................................. 9Temperature Limitations ...................................................................................... 10Recycling ............................................................................................................. 10Material Codes .................................................................................................... 11Composite Repair Parts List ...........................................................................12-14Composite Repair Drawing.................................................................................. 15CE Declaration of Conformity - Machinery .......................................................... 16CE Declaration fo Conformity - ATEX .................................................................. 17Model HDB2 Type 3SERVICE & OPERATING MANUALOriginal InstructionsII 2GD T5See pages 18for ATEX ratings©Copyright 2017 Warren Rupp, Inc. All rights reserved.