Dynaset HPW 1000 User Manual Download Page 41 | Manualshive

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Dynaset Oy | Menotie 3, FI-33470 Ylöjärvi, Finland | tel: +358 3 3488 200 | [email protected] | www.dynaset.com

HIGH PRESSURE WATER PUMPS

MAINTENANCE

6.4. REPLACING WATER VALVES

1. Remove screws from the head.

2. Pull out the head.

3. Remove water valves and O-rings.

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Summary of Contents for HPW 1000

Page 1: ...HPW 200 HPW 250 HPW 220 HPW 300 HPW 320 HPW 360 HPW 420 HPW 460 HPW 520 HPW 800 HPW 1000 HPW 1200 HPW 1600 rev 1 4 07 19 HIGH PRESSURE WATER PUMPS USER MANUAL Download PDF version from www Dynaset com...

Page 2: ......

Page 3: ...u to take the full advance of the technical features avaible in your equipment Please contact us for any feedback you might have on our products Your feedback is important to us for improving our prod...

Page 4: ...ELS 15 3 OPERATING PRINCIPLES 17 3 1 OPERATING DESCRIPTION 17 3 2 HYDRAULIC CONNECTION IN PARALLEL AND SERIES 19 3 3 PUMPING FLUID CONNECTION IN PARALLEL AND SERIES 20 4 INSTALLATION 21 4 1 BEFORE INS...

Page 5: ...ING FLUID 36 5 3 PUMPING FLUIDS 37 5 4 WORKING IN COLD TEMPERATURES 38 5 5 STOPPING THE HPW PUMP 38 6 MAINTENANCE 39 6 1 MAINTENANCE INTERVAL 39 6 2 HYDRAULIC FLUIDS 40 6 3 CLEANING THE HPW PUMP 40 6...

Page 6: ...system with Load Sensing variable displacement pump 24 Picture 13 Connection figure for closed centre hydraulic system with Load Sensing variable displacement pump 25 Picture 14 Hydraulic system with...

Page 7: ...hydraulic oil flow of a base machine into high pressure water HPW pumps are used for pumping water and other fluids depend ing on a model The power of the pump is defined by flow rate and pressure Ac...

Page 8: ...del other HPW pumps has PA model Flow limiter VR Limits the oil flow from the base machine This function allowes to use the HPW pump with partial load instead of maximum flow Pressure reducing valve P...

Page 9: ...utomatic Load Sensing Control on PT flange It is useful when hydraulic flow and pressure is occasionally needed Off state drives main hydraulic pump via LS line to 0 angle and on state drives hydrauli...

Page 10: ...dynaset com www dynaset com HIGH PRESSURE WATER PUMPS GENERAL 1 4 HPW PUMP LINE UP Picture 3 HPW pump line up 1 HPW 200 2 HPW 420 3 HPW 220 4 HPW 520 5 HPW 250 6 HPW 90 7 HPW 180 8 HPW 460 HPW 320 9...

Page 11: ...TER PUMPS GENERAL 1 5 MAIN COMPONENTS OF HPW PUMP Picture 4 Main components of HPW pump 1 Body 2 Head right 3 Head left 4 PT flange 5 Suction manifold 6 Discharge manifold 7 Hydraulic pressure line P...

Page 12: ...12 Dynaset Oy Menotie 3 FI 33470 Yl j rvi Finland tel 358 3 3488 200 info dynaset com www dynaset com HIGH PRESSURE WATER PUMPS GENERAL...

Page 13: ...afety equipment Couplings valves and hoses need to be kept tight and clean to avoid possible leakages Leaks in the hydraulic system must be repaired immediately to avoid injuries caused by high pressu...

Page 14: ...pump beware of the unit parts warmed by hot hydrau lic oil WARNING RISK OF BURNS The unit parts and hydraulic oil can be hotter than 80 C Wear personal safety equipment Never aim high pressure water...

Page 15: ...ystem clean This is to ensure safe reliable and longlife operation of your equipment Hydraulic system of the base machine should be maintained according to the ser vice program 2 5 WARNING LABELS Prod...

Page 16: ...16 Dynaset Oy Menotie 3 FI 33470 Yl j rvi Finland tel 358 3 3488 200 info dynaset com www dynaset com HIGH PRESSURE WATER PUMPS SAFETY...

Page 17: ...tilizes the reciprocal motion of the hydraulic piston Picture 5 Operating description of HPW pump 1 HPW pump is driven by hyraulic flow through the hydraulic ports P and T Hydraulic flow moves the pis...

Page 18: ...ne S and generates pressure into pressure line WP When piston assembly moves away from head it creates underpressure 3 and water or other pumping fluid is sucked through intake valve 4 into head When...

Page 19: ...re HPW pumps can be safely operated in power range of 0 100 3 2 HYDRAULIC CONNECTION IN PARALLEL AND SERIES Hydraulic lines of multiple HPW pumps can be connectec in parallel to get maximum output pre...

Page 20: ...w in small hydraulic flow Maximum output pressure is divided by the count of the pumps in series connction Picture 9 HPW hydraulic line connection in series 3 3 PUMPING FLUID CONNECTION IN PARALLEL AN...

Page 21: ...of hydraulic systems Most common hydraulic systems in mobile machinery are Open centre hydraulic system with Load Sensing variable displacement pump Closed centre hydraulic system with Load Sensing v...

Page 22: ...hydraulic system with Load Sensing variable displace ment pump In open centre hydraulic system the flow is returned to tank through the cont rol valves open centre that is when the control valve is c...

Page 23: ...nnection figure for open centre hydraulic system with Load Sen sing variable displacement pump 1 DYNASET hydraulic equipment 2 DYNASET Priority valve PV SAE 2 1 DYNASET PC SAE pres sure compensator 2...

Page 24: ...T PUMP Picture 12 Closed centre hydraulic system with Load Sensing variable displace ment pump In a closed centre hydraulic system the oil flow is stopped from the pump when control valve is centered...

Page 25: ...TALLATION Picture 13 Connection figure for closed centre hydraulic system with Load Sen sing variable displacement pump 1 DYNASET hydraulic equipment 2 DYNASET LSV Load Sensing valve 3 DYNASET Shuttle...

Page 26: ...ION HYDRAULIC SYSTEM WITH FIXED DISPLACEMENT PUMP Picture 14 Hydraulic system with fixed displacement pump In hydraulic system which has the fixed displacement pump the oil flow from the pump is fixed...

Page 27: ...N Picture 15 Connection figure for hydraulic system with fixed discplacement pump 1 DYNASET hydraulic equipment 2 DYNASET Priority valve PV SAE 2 1 DYNASET PC SAE pres sure compensator 2 2 DYNASET LSV...

Page 28: ...ned to enable easy installation of your DYNASET hydrau lic product DYNASET LOAD SENSING VALVE Picture 16 Load sensing valve LSV DYNASET LSV load sensing valves are made for installations in a closed c...

Page 29: ...re there is an easy access to the unit Ensure proper ventilation Picture 18 Placing HPW high pressure water pumps NOTE When positioning the HPW pump note the maximum inclinations and ensure that requi...

Page 30: ...Location of P and T ports variates between different DYNASET hydraulic equipment In case of hydraulic flow being too high The flow must be reduced either by dropping down the rotation speed of base ma...

Page 31: ...sufficient READ CHAPTER 10 TECHNICAL SPECIFICATIONS for more information 4 2 4 HYDRAULIC FLUIDS To use proper hydraulic fluid READ CHAPTER 6 2 Hydraulic fluids for more information 4 3 INSTALLING HPW...

Page 32: ...ION 4 3 2 CONNECTION TO THE PUMPING FLUID INTAKE Connect water supply line pipe to the intake port S Picture 23 Connection to the pumping fluid intake When installing HPW pump into pumping fluid line...

Page 33: ...lly 16 bar 5 Pumping fluid temperature typically between 5 to 70 C 6 Most HPW pumps can be used as self priming and the head of a pumping fluid intake line is typically 3 m as maximum NOTE READ CHAPTE...

Page 34: ...34 Dynaset Oy Menotie 3 FI 33470 Yl j rvi Finland tel 358 3 3488 200 info dynaset com www dynaset com HIGH PRESSURE WATER PUMPS INSTALLATION...

Page 35: ...When the engine of base machine is running and hydraulic flow is available the HPW pump can be started by opening the hydraulic control valve Picture 26 Starting the HPW pump ATTENTION Never put your...

Page 36: ...pressure and loosened to decrease pressure 2 Whereupon the adjusted maximum pressure limit is being reached water unloader valve circulaters the water within the pump and prevents the output pressure...

Page 37: ...brasives or high content of solids can be pumped as well but should be kept in mind that HPW pump s service lifetime is considerably shortened Note that DYNASET HDF pump series is especially designed...

Page 38: ...tting off the hydraulic flow Picture 29 Stopping the HPW pump High pressure can remain in closed pressure circuit Release water pressure to avoid unexpected water discharges and injuries If spray gun...

Page 39: ...ning any maintenance or repair ensure that the system is stopped and completely depressurized Make sure that the system can not start accidentally 6 1 MAINTENANCE INTERVAL All maintenance must be comp...

Page 40: ...erating at nor mal operating temperature Synthetic and bio oils can also be used if their viscosity characteristics and lubri cating efficiency are similar to the mineral oils Automatic transmission f...

Page 41: ...I 33470 Yl j rvi Finland tel 358 3 3488 200 info dynaset com www dynaset com HIGH PRESSURE WATER PUMPS MAINTENANCE 6 4 REPLACING WATER VALVES 1 Remove screws from the head 2 Pull out the head 3 Remove...

Page 42: ...N The pressure valve s spring has less turns than the suction valve s spring Do not mix up the valves when re assembling the pump 1 Suction valve 2 Pressure valve 4 Install new suction 1 and pressure...

Page 43: ...i Finland tel 358 3 3488 200 info dynaset com www dynaset com HIGH PRESSURE WATER PUMPS MAINTENANCE 6 5 REPLACING PUMP SEALS 1 Remove screws from the head 2 Pull out the head and remove water valves 3...

Page 44: ...naset com www dynaset com HIGH PRESSURE WATER PUMPS MAINTENANCE 4 Turn the pump frame into a vertical position 5 Use rubber hammer and special tool to remove piston assembly with cylinder and sealing...

Page 45: ...358 3 3488 200 info dynaset com www dynaset com HIGH PRESSURE WATER PUMPS MAINTENANCE 7 Remove seals and o rings from the sealing flanges 8 Remove the piston assembly from the cylinder 9 Remove seal...

Page 46: ...nd seal to the piston assembly 11 Install the piston assembly to the cylinder Use vaseline or mineral oil on the seal and mating surfaces to make installation easy 12 Install new o rings and seals to...

Page 47: ...ON Seals of the sealing flange differs from each other make sure that correct seal is installed into correct place 13 Install sealing flanges into the piston assembly Use lubricant to make the ins tal...

Page 48: ...d tel 358 3 3488 200 info dynaset com www dynaset com HIGH PRESSURE WATER PUMPS MAINTENANCE NOTE Make sure that the piston assembly is installed correctly 15 Use rubber hammer to install piston assemb...

Page 49: ...e same time as the pump seals 19 Install both heads into the body Tighten heads bolts across see chapter READ CHAPTER 6 6 Bolt tightening torques 20 Test run the pump and make sure that there are no l...

Page 50: ...FAILURE REASON CORRECTIVE ACTION HPW pump works but does not deliver water flow Water intake and pressure valves are open jammed with debris or damaged Check water valves and clean them thoroughly or...

Page 51: ...or and of an excessive length Nozzle of pressure tool oversized Verify the nozzle sizing and replace with proper one Wear out of nozzle Replace the nozzle Insufficient water supply Check and fix the p...

Page 52: ...d Defective water pressure unloader valve models with water pressure unloader valve Repair or replace water pressure unloader valve FAILURE REASON CORRECTIVE ACTION Sealings and water pistons wear off...

Page 53: ...ntact primary to the seller of the product Contact must be made as soon as possible latest thirty 30 days after the problem was identified Seller and or manufacturer technical staff determines the nat...

Page 54: ...ack of maintenance Cost of maintenance adjustments installation or startup Coating hydraulic oil quick couplings and interconnection hoses internal or external to system assemblies Products altered or...

Page 55: ...responsible way Do not dispose used oils electrical components batteries or any other hazardous waste with normal waste They are harmful for the environment and can be recycled for re use Contact you...

Page 56: ...56 Dynaset Oy Menotie 3 FI 33470 Yl j rvi Finland tel 358 3 3488 200 info dynaset com www dynaset com HIGH PRESSURE WATER PUMP PRODUCT DISPOSAL...

Page 57: ...6 42 EC LVD directive 2014 35 EU EMC directive 2014 30 EU RoHS directive 2011 65 EU Applied conformity standards CEN EN ISO 4413 EN ISO 4413 2010 Hydraulic fluid power General rules and safety require...

Page 58: ...58 Dynaset Oy Menotie 3 FI 33470 Yl j rvi Finland tel 358 3 3488 200 info dynaset com www dynaset com HIGH PRESSURE WATER PUMPS DECLARATION OF CONFORMITY...

Page 59: ...BSP 3 4 BSP 1 2 Intake line S BSP 3 4 BSP 3 4 BSP 3 4 BSP 1 BSP 2 BSP 3 4 BSP 1 1 4 BSP 1 HYDRAULIC POWER REQUIREMENTS Oil flow max l min gpm 40 10 6 40 10 6 50 13 2 70 18 5 85 22 5 85 22 5 115 30 4 1...

Page 60: ...1 4 BSP 3 4 BSP 1 2 BSP 3 4 SAE 3000 2 SAE 3000 2 SAE 3000 2 HYDRAULIC POWER REQUIREMENTS Oil flow max l min gpm 140 37 0 125 33 0 140 37 0 140 37 0 140 37 0 360 95 0 350 92 5 440 116 0 Operating pres...

Page 61: ...DYNASET OY all rights reserved...

Page 62: ...ng Piercing Kit HDF Hydraulic Drilling Fluid Pump JPL High Pressure Bin Washing System HSP Hydraulic Submersible Pump COMPRESSED AIR HK Hydraulic Piston Compressor HKL Hydraulic Rotary Vane Compressor...

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