Sandpiper MHDF3 Bedienungsanleitung

SERVICE AND OPERATING MANUALTable of ContentsEngineering Data and Performance Curve... 1Expla

mhdf3dl7sm-rev1210 Model MHDF3 Page 8TROUBLE SHOOTINGPROBLEM: Pump cycles but will not pump. (Note: higher suction lifts require faster cycling spe

mhdf3dl7sm-rev1210 Model MHDF3 Page 9Grounding The PumpTake action to prevent static spark-ing. Fire or explosion can result, especially when handl

mhdf3dl7sm-rev1210 Model MHDF3 Page 10This pump is pressurized internally with air pressure during operation. Always make certain that all bol

mhdf3dl7sm-rev1210 Model MHDF3 Page 11     

mhdf3dl7sm-rev1210 Model MHDF3 Page 12SERVICE AND OPERATING MANUALModels MHDF3 Type 7ITEM NO. PART NUMBER DESCRIPTION QTY.1 031.012.000 SL

mhdf3dl7sm-rev1210 Model MHDF3 Page 13NOT SHOWN: 031.019.156. MAIN AIR VALVE ASSEMBLY 1 (includes items 10, 11, 13, 14, 15 &16)

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Signature of authorized personRevision Level: EPrinted name of authorized personDavid RoseberryDate of issueOctober 20, 2005TitleEngineering ManagerDa

In accordance with ATEX Directive 94/9/EC, Equipment intended for use in potentially explosive environments.EN 60079-25: 2004For pumps equipped with P

EC Declaration of ConformityATEX Summary of MarkingsType Marking Listed InNon-Conductive FluidsEC Type Certificate No. Pumps: KEMA 09ATEX0071 X T

mhdf3dl7sm-rev1210 Model MHDF3 Page 1Heavy Duty Flap Valve MHDF3 Type 7Air-Operated Double Diaphragm PumpENGINEERING, PERFORMANCE& CONSTRUCTION

mhdf3dl7sm-rev1210 Model MHDF3 Page 2Meanings of Abbreviations:A = Compressed Fibre B = Nitrile N = Neoprene SS = Stainless Steel AL = Aluminun

mhdf3dl7sm-rev1210 Model MHDF3 Page 3Dimensions: MHDF3Dimensions are ± 1/8"Figures in parenthesis = millimeters

mhdf3dl7sm-rev1210 Model MHDF3 Page 4PRINCIPLE OF PUMP OPERATIONThis ap swing check valve pump is powered by compressed air and is a

mhdf3dl7sm-rev1210 Model MHDF3 Page 5INSTALLATION GUIDEBottom Discharge Flap Valve UnitThe air exhaust should be piped to an area for safe disposit

mhdf3dl7sm-rev1210 Model MHDF3 Page 6AIR VALVE LUBRICATIONThe MARATHON pump’s pilot valve and main air valve assemblies are designed to

mhdf3dl7sm-rev1210 Model MHDF3 Page 7PILOT VALVEThe pilot valve assembly is accessed by removing the main air distribution valve body from the pump