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oPerATor'S MANUAl
Model
HdS 2.5/20 P Cage
HdS 2.8/25 P Cage
HdS 2.6/30 P Cage
HdS 3.5/30 P Cage
HdS 3.5/30 Pe Cage
HdS 3.5/35 Pe Cage
To locate your local Kärcher Commercial Pressure Washer Dealer nearest you,
order #
1.575-554.0
1.575-555.0
1.575-550.0
1.575-551.0
1.575-552.0
1.575-553.0
visit www.karchercommercial.us
Model
SGP-302017
SGP-302517
SGP-303037
SGP-353037
SGP-353037e
SGP-403537e
9.800-079.0
®

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Table of Contents
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Summarization of Contents

Introduction and Safety Information
Owner/User Responsibilities
Defines user obligations for safe operation and maintenance.
General Safety Warnings
Crucial safety precautions including personal protection, area safety, and fire prevention.
Introduction and Safety Information (Continued)
Hazard Warnings and Precautions
Warnings about hot surfaces, freezing, handling, and operating near children or electrical hazards.
Introduction and Safety Information (Continued)
Operational Safety Guidelines
Safe usage of spray gun, hose care, fatigue prevention, and proper fuel types.
Component Identification
Key Machine Parts Overview
Illustrated identification of major components like pump, spray gun, and hoses.
Assembly Instructions
Connecting Hoses and Spray Gun
Steps for attaching the high-pressure hose, spray gun, and selecting nozzles.
Operating Instructions
Pre-Operation Setup and Checks
Procedures for checking oil, filling fuel, connecting water, and engine preparation.
Operating Instructions (Continued)
Starting Engine and Controls
Guide to starting the engine, using choke, throttle, and burner controls.
Nozzle Selection Guide
Information on different colored nozzles and their spray patterns for various cleaning tasks.
Detergents and Cleaning Tips
Cleaning Procedures and Tips
Best practices for pre-rinsing, applying detergent, and rinsing surfaces effectively.
Shutting Down and Storage
Proper Shutdown and Flushing
Steps to safely shut down the machine and flush the detergent system.
Storage and Winterizing
Guidelines for storing the pressure washer, including freeze protection and engine care.
Maintenance
Preventative Maintenance Schedule
Daily, weekly, and periodic checks to ensure optimal performance and longevity.
Pump and Coil Maintenance
Procedures for pump oil changes, winterizing, and cleaning/deliming coils.
Maintenance (Continued)
Fuel System and Burner Adjustments
Details on fuel pressure, control systems, burner nozzle, and air adjustments.
Maintenance (Continued)
Coil Removal and Reinstallation
Procedures for removing, cleaning, and reinstalling the heating coil assembly.
Troubleshooting Guide
Low Pressure and Burner Ignition Issues
Solutions for common problems like insufficient pressure and failure of the burner to light.
Troubleshooting Guide (Continued)
Burner, Temperature, and Smoke Problems
Diagnosing and resolving issues with burner operation, machine smoking, and water temperature.
Troubleshooting Guide (Continued)
Detergent, Pump, and Leak Issues
Addressing problems with detergent drawing, pump noise, low pressure, and leaks.
Maintenance Charts
Maintenance Schedule Overview
A comprehensive schedule for all routine checks and maintenance tasks.
Hose & Spray Gun Assembly
Hose, Gun, and Nozzle Parts
Illustrated parts list for the hose, spray gun, wand, and various nozzles.
Downstream Injector Assembly
Detergent Injector System Parts
Diagram and parts list for the downstream detergent injector system.
Hose Reel Option
Hose Reel Components
Illustrated parts list for the optional hose reel system and its mounting bracket.
Pressure Washer Warranty
Warranty Coverage and Exclusions
Details on what is covered by the limited warranty and specific items/conditions that are excluded.

Table of Contents