Dynaset HPW 520 - User Manual

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HPW 90

HPW 130

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HPW 250

HPW 220

HPW 300

HPW 320

HPW 360

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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/manuals Keycode: DM4YRG

Table of Contents

Questions and Answers

B
Brenda TaylorAug 16, 2025
How to troubleshoot a Dynaset Water Pump that does not work?
- B
  Brandon WadeAug 16, 2025
  If the Dynaset Water Pump is not working, first ensure that the hydraulic flow is sufficient. If it is not sufficient, enable or adjust the hydraulic flow. Also, check that the hydraulic pressure is adequate and adjust if necessary. Verify that the hydraulic hoses are correctly connected, with the pressure hose connected to the P-port and the return hose to the T-port. Finally, inspect the hydraulic piston for mechanical damage and replace any damaged parts.
K
kirk61Aug 18, 2025
Why is the water flow rate too small on my Dynaset HPW 520?
- K
  Karen PatelAug 18, 2025
  If the Dynaset Water Pump's water flow rate is too small, you should first adjust the hydraulic flow to the required level at the necessary pressure. Then, verify the nozzle sizing of your pressure tool and replace it if it is undersized. Finally, check the delivery hose sizing and replace it if there's pressure loss.
T
Tracy MillsAug 21, 2025
What to do if my Dynaset HPW 520 has intense pulsating water pressure?
- J
  jennystewartAug 21, 2025
  If the Dynaset Water Pump experiences intense pulsating of water pressure, check the water valves for any blockages or damage and clean or repair them as needed. Inspect the water intake line for any breathing issues and fix them. Ensure that the water intake line's diameter is not too small, and replace it with a proper one if necessary. Adjust the hydraulic flow to the demanded level to prevent excessive hydraulic flow. Clean the filter or replace it with a correctly sized one if it is clogged or too small.
A
Alexis ChandlerAug 25, 2025
Why is the water pressure too low on my Dynaset Water Pump?
- T
  Tiffany EstradaAug 26, 2025
  If the Dynaset Water Pump's water pressure is too low, adjust the hydraulic pressure to the required level while maintaining the necessary hydraulic oil flow. Minimize pressure loss by avoiding hoses with too small a diameter or excessive length. Verify the nozzle sizing of the pressure tool and replace it if it is oversized. Replace the nozzle if it is worn out. Ensure there is sufficient water supply. Check and readjust the water pressure unloader valve to the correct specification, if your model has one.
H
Heather GlassAug 27, 2025
What to do if Dynaset HPW 520 works but doesn't deliver water flow?
- K
  Kimberly MartinezAug 27, 2025
  If the Dynaset Water Pump works but does not deliver water flow, check the water valves for any blockages or damage, and clean or replace them as necessary. For models with a water pressure unloader valve, inspect the regulator’s unloader valve and repair any failures.
R
Richard WilliamsAug 31, 2025
Why doesn't my Dynaset HPW 520 receive pumping fluid?
- J
  John HillAug 31, 2025
  If the Dynaset Water Pump does not receive pumping fluid, check and fix any issues with the intake hose and connectors. Clean the strainer or water filter thoroughly if the water supply line is clogged. If possible, check the performance with a pressurized water supply if the suction head is too high.
S
Steve RussellSep 3, 2025
How to unblock a water pressure line in Dynaset HPW 520?
- J
  Janet ChambersSep 3, 2025
  If the water pressure line is blocked in your Dynaset Water Pump, start by checking the nozzle and cleaning it thoroughly. If your model has a water pressure unloader valve, inspect the regulator’s check valve for damage and repair any failures.
J
Jeffrey WilliamsSep 6, 2025
What to do if closing the water pressure line on my Dynaset Water Pump doesn't drop pressure?
- A
  ashleydanielsSep 6, 2025
  If closing the water pressure line does not drop pressure to free circulation mode on your Dynaset Water Pump, adjust the hydraulic pressure as much as necessary to enable proper operation of the water pressure unloader valve, but do not exceed the maximum hydraulic pressure. If boosting the hydraulic pressure is not possible, lower the water unloader pressure setting. If your model has a water pressure unloader valve, repair or replace it if it is defective.
D
Dr. Margaret LawsonSep 8, 2025
Why do the sealings and water pistons wear off repeatedly on my Dynaset HPW 520?
- B
  Brad RoweSep 8, 2025
  If sealings and water pistons wear off repeatedly on your Dynaset Water Pump, check and replace the filter if it is broken. If there is no filter installed, install one. Always use a filter, even with clear tap water.
J
Jessica JenningsSep 12, 2025
What causes leakages in Dynaset HPW 520 Water Pump and how to fix it?
- P
  perezadamSep 12, 2025
  If you observe leakages from your Dynaset Water Pump, check the tightness of component mating and tighten screws if there are hydraulic oil leakages or pumping fluid leakages. If the draining from leakage detectors exceeds a rate of 10 drops per minute, the pump’s sealings should be replaced. The rule applies to dropping of hydraulic fluid, pumping fluid, and their commixture.

Summary

General Information

Product Identification Key

Explains how to identify specific HPW pump models using a coded key.

Main Components of HPW Pump

Identifies and labels the key physical components of the HPW pump.

Safety Guidelines

Safety Precautions

General safety warnings and precautions for safe operation and maintenance.

Safety Equipment Recommendations

Recommends essential personal protective equipment for operating the pump.

Operating Safety Instructions

Specific safety guidelines and warnings related to operating the HPW pump.

Maintenance Safety Procedures

Safety measures and precautions required during maintenance activities.

Operating Principles

Hydraulic Connection in Parallel and Series

Pumping Fluid Connection in Parallel and Series

Installation Guide

DYNASET Valves Overview

Installing DYNASET Hydraulic Product

Connecting Hydraulic Hoses

Procedure for correctly connecting hydraulic hoses to the unit's ports.

Installing the HPW-Pump Unit

Pumping Fluid Intake Connection

Details on connecting the supply line for the pumping fluid.

Pumping Fluid Output Connection

Instructions for connecting the line for the pumped fluid output.

Operation of the HPW Pump

Starting the HPW Pump

Step-by-step instructions for safely starting the HPW pump.

Adjusting Flow Rate and Pressure

How to modify the pump's output flow rate and pressure settings.

Pumping Fluids Information

Stopping the HPW Pump

Procedures for safely shutting down and stopping the HPW pump.

Maintenance Procedures

Maintenance Interval Schedule

Replacing Water Valves

Replacing Pump Seals

Troubleshooting Common Issues

Common issues, their causes, and corrective actions for HPW pumps.

Technical Specifications

Discharge Characteristics

Key performance metrics like flow rate, pressure, and power output.

Hydraulic Connections

Hydraulic Power Requirements

Details the required hydraulic oil flow and pressure for operation.

Pumping Fluid Intake Requirements

Summary

General Information

Product Identification Key

Explains how to identify specific HPW pump models using a coded key.

Main Components of HPW Pump

Identifies and labels the key physical components of the HPW pump.

Safety Guidelines

Safety Precautions

General safety warnings and precautions for safe operation and maintenance.

Safety Equipment Recommendations

Recommends essential personal protective equipment for operating the pump.

Operating Safety Instructions

Specific safety guidelines and warnings related to operating the HPW pump.

Maintenance Safety Procedures

Safety measures and precautions required during maintenance activities.

Operating Principles

Hydraulic Connection in Parallel and Series

Pumping Fluid Connection in Parallel and Series

Installation Guide

DYNASET Valves Overview

Installing DYNASET Hydraulic Product

Connecting Hydraulic Hoses

Procedure for correctly connecting hydraulic hoses to the unit's ports.

Installing the HPW-Pump Unit

Pumping Fluid Intake Connection

Details on connecting the supply line for the pumping fluid.

Pumping Fluid Output Connection

Instructions for connecting the line for the pumped fluid output.

Operation of the HPW Pump

Starting the HPW Pump

Step-by-step instructions for safely starting the HPW pump.

Adjusting Flow Rate and Pressure

How to modify the pump's output flow rate and pressure settings.

Pumping Fluids Information

Stopping the HPW Pump

Procedures for safely shutting down and stopping the HPW pump.

Maintenance Procedures

Maintenance Interval Schedule

Replacing Water Valves

Replacing Pump Seals

Troubleshooting Common Issues

Common issues, their causes, and corrective actions for HPW pumps.

Technical Specifications

Discharge Characteristics

Key performance metrics like flow rate, pressure, and power output.

Hydraulic Connections

Hydraulic Power Requirements

Details the required hydraulic oil flow and pressure for operation.

Pumping Fluid Intake Requirements

Dynaset HPW 520 Specifications

General

Brand	Dynaset
Model	HPW 520
Category	Water Pump
Language	English

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