SERVICE AND OPERATING MANUALTable of ContentsEngineering Data and Performance Curve... 1Expla
hdf3adl7sm-rev0614TROUBLE SHOOTINGPROBLEM: Pump cycles but will not pump. (Note: higher suction lifts require faster cycling speed for priming.)POSSIB
hdf3adl7sm-rev0614 Model HDF3-A & HDF4-A Page 9Grounding The PumpTake action to prevent static spark-ing. Fire or explosion can result, especial
hdf3adl7sm-rev0614This pump is pressurized internally with air pressure during operation. Always make certain that all bolting is in good cond
hdf3adl7sm-rev0614 Model HDF3-A & HDF4-A Page 11000 Assembly, sub-assembly; and some purchased items010 Cast Iron012 Powered Metal015 Ducti
hdf3adl7sm-rev0614SERVICE AND OPERATING MANUALModels HDF3-A Type 7 HDF4-A Type 3ITEM NO. PART NUMBER DESCRIPTION QTY.1 031.012.000 SLEEVE &am
hdf3adl7sm-rev0614 Model HDF3-A & HDF4-A Page 13NOT SHOWN: 031.019.156. MAIN AIR VALVE ASSEMBLY 1 (includes items 10, 11, 13, 14, 1
hdf3adl7sm-rev0614©2010 Warren Rupp, Inc. All rights reserved.®SANDPIPER is a registered tradename of Warren Rupp, Inc.322120222919304-A4-D313164-F4-E
Signature of authorized personRevision Level: FPrinted name of authorized personDavid RoseberryDate of issueOctober 20, 2005TitleEngineering ManagerDa
Manufacturer:Warren Rupp, Inc.®A Unit of IDEX Corportion800 North Main StreetP.O. Box 1568Mansfield, OH 44902 USADavid Roseberry, Engineering ManagerD
EC Declaration of ConformityATEX Summary of MarkingsType Marking Listed InNon-Conductive FluidsEC Type Certificate No. Pumps: KEMA 09ATEX0071 X T
hdf3adl7sm-rev0614 Model HDF3-A & HDF4-A Page 1Heavy Duty Flap Valve HDF3-A Type 7HDF4-A Type 3Air-Operated Double Diaphragm PumpENGINEERING, PE
hdf3adl7sm-rev0614Meanings of Abbreviations:A = Compressed Fibre B = Nitrile N = Neoprene SS = Stainless Steel AL = Aluminun CI = Cast Iron PS =
hdf3adl7sm-rev0614 Model HDF3-A & HDF4-A Page 3Dimensions: HDF3-A & HDF4-ADimensions are ± 1/8"Figures in parenthesis = millimeters
hdf3adl7sm-rev0614PRINCIPLE OF PUMP OPERATIONThis ap swing check valve pump is powered by compressed air and is a 1:1 pressure ratio de
hdf3adl7sm-rev0614 Model HDF3-A & HDF4-A Page 5INSTALLATION GUIDEBottom Discharge Flap Valve UnitThe air exhaust should be piped to an area for
hdf3adl7sm-rev0614AIR VALVE LUBRICATIONThe Sandpiper pump’s pilot valve and main air valve assemblies are designed to operate WITHOUT lubrication. Thi
hdf3adl7sm-rev0614 Model HDF3-A & HDF4-A Page 7PILOT VALVEThe pilot valve assembly is accessed by removing the main air distribution valve body
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