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HIGH PRESSURE WATER PUMPS
TABLE OF PICTURES
Picture 1: Identication key for HPW pumps ..................................................................................................................... 8
Picture 2: Type plate .......................................................................................................................................................... 9
Picture 3: HPW pump line-up .......................................................................................................................................... 10
Picture 4: Main components of HPW pump .....................................................................................................................11
Picture 5: Operating description of HPW pump 1 ............................................................................................................17
Picture 6: Operating description of HPW pump 2 ............................................................................................................18
Picture 7: Relation of pumping uid’s ow rate and pressure. .........................................................................................19
Picture 8: HPW hydraulic line connection in parallel ....................................................................................................... 19
Picture 9: HPW hydraulic line connection in series .......................................................................................................... 20
Picture 10: Open centre hydraulic system with Load Sensing variable displacement pump ............................................ 22
Picture 11: Connection gure for open centre hydraulic system with Load Sensing variable displacement pump ........... 23
Picture 12: Closed centre hydraulic system with Load Sensing variable displacement pump ..........................................24
Picture 13: Connection gure for closed centre hydraulic system with Load Sensing variable displacement pump ......... 25
Picture 14: Hydraulic system with xed displacement pump .......................................................................................... 26
Picture 15: Connection gure for hydraulic system with xed discplacement pump ....................................................... 27
Picture 16: Load sensing valve LSV ..................................................................................................................................28
Picture 17: Priority valve PV-SAE ..................................................................................................................................... 28
Picture 18: Placing HPW high pressure water pumps ...................................................................................................... 29
Picture 19: Connecting hydraulic hoses ........................................................................................................................... 30
Picture 20: Base machine’s pumps ..................................................................................................................................30
Picture 21: Return line connection .................................................................................................................................. 31
Picture 22: Leakage detecting holes ................................................................................................................................31
Picture 23: Connection to the pumping uid intake ........................................................................................................ 32
Picture 24: Installation into pumping uid line ............................................................................................................... 32
Picture 25: Connection to the pumping uid output ....................................................................................................... 33
Picture 26: Starting the HPW pump ................................................................................................................................ 35
Picture 27: HPW pump with water pressure unloader valve ............................................................................................36
Picture 28: HPW pump without water pressure unloader valve....................................................................................... 36
Picture 29: Stopping the HPW pump ...............................................................................................................................38
Picture 30: Stopping procedure of the HPW pump .......................................................................................................... 38
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