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Den-Sin C-250E - User Manual

Den-Sin C-250E
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Introduction
C-250E R14 Page 1
1. Introduction
Congratulations on your purchase of the DEN-SIN High Pressure Cleaner.
Model: C-250E
Read this user manual before you start up your High Pressure Cleaner the first time.
This document or part of it may not be photocopied, or in any other way reproduced, or
translated to other languages without the prior written consent of DEN-SIN.
This machine is a High Pressure Cleaner producing water jet under high-pressure, which is
why severe injuries can occur if the safety precautions are not observed.
Therefore a full understanding of the contents of this instruction manual is required, in order
to prevent injuries to you, objects and persons nearby.
Safety
The following symbols are used in this manual to indicate procedures that if not followed,
may results in personal injuries or damage to equipment.
Version 14: Apr 2018
Revision History
Revision Rev.No.
Cha
nge pump no.
10
Manual updating
11
Manual update, removal of CE declaration.
12
Manual Content Updating. Cable P/N Update
13
Manual Content Updating.
14
WARNING
is used to alert the reader of procedures or
practice which if not followed correctly could result in personal
injuries.
WARNING
CAUTION
CAUTION
is used to alert the reader of procedures or
practice which if not followed correctly could result in damage
to machine or other equipment.
NOTE
is used to highlight important information that may
assist the reader carrying out the procedure or understanding the
text.
NOTE

Table of Contents

Questions and Answers

  • C
    calebandersonAug 14, 2025
    How to fix Den-Sin Pressure Washer not sucking chemicals?
    • I
      Isaiah CarrAug 14, 2025
      If your Den-Sin High Pressure Cleaner isn't sucking chemicals, first ensure the chemical container has enough fluid. Next, make sure the High Pressure Cleaner is set to low-pressure by turning the cock on the lance counterclockwise. Also, the low-pressure nozzle might be clogged, so try cleaning or replacing it. Finally, the non-return valve of the chemical injector might be stuck; clean, correct, or replace it.
  • C
    Cynthia PetersAug 17, 2025
    What to do if Den-Sin Pressure Washer doesn't reach proper pressure?
    • W
      William BurnsAug 17, 2025
      If your Den-Sin Pressure Washer isn't reaching the proper working pressure when you activate the spray-gun handle, there could be a few reasons. First, the high-pressure nozzle might be clogged—try turning off the cleaner and cleaning the nozzle. Also, there might be dirt in the by-pass valve. Inspect the low-pressure supply while the spray-gun trigger is activated, then turn the machine on again. Repeat this procedure with the trigger released. If the problem persists, the by-pass valve should be dismantled, and any extraneous matter removed. Another possibility is that the pump is sucking air.
  • M
    Michael SmithAug 20, 2025
    Why Den-Sin Pressure Washer motor is humming but no pressure?
    • J
      johnsonkatieAug 20, 2025
      If your Den-Sin Pressure Washer motor is humming but the pump isn't giving pressure or is giving low pressure, it could be due to a few reasons. The voltage might be too low compared to the specifications, so check the main voltage. If it's a 3-phase application, a motor phase could be missing, so check the connection box voltage with a meter. Also, the high-pressure pump might be blocked.
  • D
    Dylan JensenAug 25, 2025
    What to do if Den-Sin Pressure Washer pressure drops?
    • C
      Connie HawkinsAug 25, 2025
      If your Den-Sin Pressure Washer pump pressure drops and the High Pressure Cleaner works irregularly, it might be because the strain filter is clogged. Also, ensure that the water supply from the tap is sufficient. Try cleaning the strain water filter.
  • C
    cmurphyAug 27, 2025
    Why is my Den-Sin Pressure Washer so noisy?
    • M
      Michelle YorkAug 27, 2025
      If your Den-Sin Pressure Washer is excessively noisy, it could be due to several reasons. The pump might be sucking air, so inspect the low-pressure supply. Also, one or more valve springs could be broken or down—replace them. There might be extraneous matter in the valves, so clean the valves. Lastly, the crankcase or motor bearings could be worn out, so replace the bearings.
  • J
    jesuslewisAug 31, 2025
    What to do if Den-Sin Pressure Washer pump stops and starts?
    • L
      Lisa ThomasAug 31, 2025
      If your Den-Sin Pressure Washer pump continuously stops and starts when the spray-gun trigger is activated, the high pressure nozzle is partly clogged. Turn off the High Pressure Cleaner, dismantle the high-pressure nozzle and remove the extraneous matter. Replace if damaged
  • K
    Kyle ArnoldSep 3, 2025
    Why Den-Sin Pressure Washer works at 2/3 pressure?
    • J
      James RussellSep 3, 2025
      If your Den-Sin High Pressure Cleaner only works with approximately 2/3 of the maximum pressure, and the high-pressure hose is vibrating, the valves might be dirty. Remove the dirt and check to ensure the valve flaps are movable and fit tightly.
  • S
    Samantha GibsonSep 6, 2025
    Why is there water in the oil of my Den-Sin Pressure Washer?
    • R
      Robert SchaeferSep 6, 2025
      If you find water in the oil of your Den-Sin Pressure Washer, it could be due to a few reasons. The O-ring casing might be worn out, so check or replace it. High moisture in the air can condense inside the crankcase, so renew the crankcase oil more often. Also, the seals might be completely worn out, so replace the seals.
  • D
    dwaynewrightSep 10, 2025
    How to fix Den-Sin Pressure Washer that won't turn on?
    • B
      brian10Sep 10, 2025
      If the main switch is turned on but your Den-Sin High Pressure Cleaner won't run, check the power supply connection for faulty components. Make sure the socket is inserted correctly and check if the fuse is blown, replace if necessary.

Summary

Introduction

Safety

Explains the safety symbols used in the manual for warnings and cautions.

Revision History

Lists the changes made in various versions of the user manual.

Getting Acquainted with Your High Pressure Cleaner

Fast and Efficient Cleaning

Highlights the machine's capability to perform cleaning tasks quickly and efficiently.

Specifications

Details the technical specifications of the high-pressure cleaner model.

Applications

Lists the various cleaning tasks and environments where the machine is suitable.

Unpacking

Provides instructions on how to unpack the machine and check for all components.

Machine Installation and Setup

Step-by-step guide for the initial installation and setup of the high-pressure cleaner.

Operations

Explains the basic operation procedures for starting and using the high-pressure cleaner.

Machine Shut Down Procedure

Outlines the correct steps for safely shutting down the high-pressure cleaner.

Safety and Protection Information

General Safety & Application Guidelines

Covers fundamental safety rules and guidelines for operating the equipment.

Safety Devices

Describes the built-in safety features of the high-pressure cleaner.

Important Medical Information

Provides critical medical advice for personnel injured by water jetting equipment.

Safety Precautions

Details the protective clothing and devices required for safe operation.

Maintenance and Troubleshooting

Maintenance Schedule

Outlines the recommended schedule for routine maintenance checks and services.

Machine Prevention

Lists preventative actions to avoid damage and ensure proper machine functioning.

Troubleshooting

Provides solutions for common issues and symptoms encountered with the machine.

Available Accessories

Accessories

Lists optional accessories that can be purchased for the high-pressure cleaner.

Repair Kits

Lists available kits for repairing specific components of the machine.

ID-Plate

Information on the machine's identification plate and the data it contains.

Spare Parts Request Form

Chassis Assembly

Diagram showing the components of the chassis assembly.

Chassis Assembly Spare-Parts List

Detailed list of parts for the chassis assembly with part numbers.

Machine Model

Information related to different machine models available.

Pump Assembly

Diagram illustrating the components of the pump assembly.

Pump Assembly Spare-Parts List

Detailed list of parts for the pump assembly with part numbers.

Pump Spare-Parts Kit

Lists kits containing multiple parts for pump repair.

Un-loader Valve Assembly

Diagram showing the components of the un-loader valve assembly.

Un-loader Valve Assembly Spare-Parts List

Detailed list of parts for the un-loader valve assembly with part numbers.

Repair Kit Unloader Valve

Lists available repair kits specifically for the un-loader valve.

Safety Valve Assembly

Diagram and list of components for the safety valve assembly.

Lance Assembly (Standard)

Diagram and list of parts for the standard lance assembly.

Lance Assembly Spare-Parts List

Detailed list of parts for the lance assembly with part numbers.

Trigger Gun Assembly

Diagram and list of components for the trigger gun assembly.

Repair Kit Trigger Gun

Lists available repair kits for the trigger gun.

Electrical Box

Diagram and list of components for the electrical box.

Wiring Diagrams

Electrical schematics illustrating the system's wiring connections.

Warranty

Den-Sin C-250E Specifications

General IconGeneral
Pressure250 bar
Water Flow900 L/h
Power SourceElectric
Motor Power7.5 kW
Water flow rate15 l/min
Max Pressure25 MPa
Hose Length10 m

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