Kärcher 1.575-617.0 - User Manual

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9.800-103.0-M11/02/17

HDS 4.0/32 Pe Cage - 1.575-615.0

HDS 5.0/32 Pe Cage - 1.575-616.0

HDS 5.5/35 Pe Cage - 1.575-617.0

OPERATOR’S MAN U AL

To locate your local Kärcher Commercial Pressure Washer Dealer nearest you,

please visit www.karchercommercial.com

WARNING:

This product and accessories may contain a chemical known to the State of

California to cause cancer and birth defects or other reproductive harm.

For more information about this regulation: www.P65Warnings.ca.gov

Questions and Answers

D
David CollinsNov 5, 2025
Why is the Kärcher 1.575-617.0 operating pressure low?
- L
  Lindsay RobinsonNov 5, 2025
  Low operating pressure in your Kärcher Pressure Washer can stem from several causes. Here's what you can check: * **Insufficient water supply:** Use a larger supply hose and clean the filter at the water inlet. * **Old, worn, or incorrect spray nozzle:** Match the nozzle number to your machine or replace it with a new one. * **Plumbing or hose leak:** Inspect your plumbing system for leaks and retape them using Teflon tape. * **Obstruction in spray nozzle:** Remove any obstructions. * **Pump sucking air:** Examine the water supply and check for potential air seepage. Additionally, it could be due to a faulty pressure gauge (install a new one), belt slippage (tighten or replace the belt, ensuring it's the correct one), a faulty or mis-adjusted unloader valve (adjust or install a...
A
andersonpaulNov 22, 2025
What to do if the Kärcher Pressure Washer burner will not light?
- C
  Cassandra WilliamsNov 22, 2025
  If the burner on your Kärcher Pressure Washer won't light, several factors could be at play: * **Little or no fuel:** Refill the fuel tank. * **Improper fuel or water in fuel:** Drain the tank and replenish with the correct fuel. * **Clogged fuel line:** Clean or replace the fuel line. * **Plugged fuel filter:** Replace the fuel filter as needed. * **Little or no fuel pressure from fuel pump:** Increase fuel pressure to the specified level, and consider replacing the fuel pump. Use a pressure gauge for testing. * **Disconnected or short in electrical wiring:** Ensure all wire contacts are clean and secure, with no breaks in the wiring. Other potential issues include mis-adjusted burner air bands (readjust for a clean burn) and a faulty burner transformer (test for proper arc ...

Summary

Introduction and Important Safety Information

Owner;User Responsibility

Defines the responsibilities of the owner and user for safe operation and understanding of the manual.

Safety Warnings and Precautions

Highlights critical safety precautions regarding noise, eye/hand/foot protection, flammable liquids, and hot surfaces.

Component Identification

Assembly Instructions

Assembly Steps and Battery Installation

Guides through hose attachment, nozzle installation, oil check, hose connections, filter checks, and battery installation.

Operation Instructions

Engine Start-up Procedures

Covers checking oil, filling fuel, purging air, and starting methods using choke or pull start.

Electric Start and Burner Activation

Details the electric start procedure and how to turn on the burner and set the thermostat.

Detergents & General Cleaning Techniques

Cleaning Procedures and Detergent Use

Provides tips for cleaning, using detergent correctly, and rinsing the machine.

Shutting Down and Clean-Up

Shutdown and Flush Procedures

Guides on flushing detergent, turning off the machine, and releasing pressure.

Storage

Storage and Winterization Guidelines

Covers storage recommendations, cold weather precautions, and engine maintenance for storage.

Preventative Maintenance

Maintenance Schedule, Procedures, and Protection

Outlines a maintenance schedule, winterizing, pump care, coil cleaning, and scale protection.

Maintenance Schedule and Service Log

Provides a table for maintenance intervals and a log for tracking service history.

Maintenance & Service

Component Maintenance and Adjustments

Covers maintenance for the rupture disk, fuel system, burner nozzle, and air adjustment for optimal performance.

Troubleshooting

Low Pressure and Burner Ignition Issues

Addresses problems with low operating pressure and the burner failing to light.

Burner, Pressure, and Smoke Troubleshooting

Covers continued burner problems, fluctuating pressure, and machine smoking issues.

Temperature, Noise, and Leak Troubleshooting

Detergent, Pressure, and Motor Troubleshooting

Exploded View Parts List

Control Box Parts List

Float Tank Parts List

Pump Assembly Parts List

Unloader Parts List

Blower Parts List

Burner & Coil Parts List

Coil & Blower Parts List

Hose & Spray Gun Parts List

Fuel Tanks Parts List

Engine Assemblies Parts List

Specifications

Pump and Engine Specifications

Engine (Contd) and Blower Specifications

KT.2 Pump Exploded View Parts List

VRT3 Unloader Exploded View and Parts List

VRT3 Unloader Adjustment Procedures

Step-by-step instructions for adjusting the VRT3 unloader pressure settings.