G 3500 OHT - Pressure Washer Operator Manual - High-Pressure Safety & Setup Guide

Aug 26, 2026

G 3500 OHT high pressure washer operator manual provides essential safety symbols and detailed operating precautions, including injury and injection hazards, explosion risks from flammable liquids, electrical shock warnings, and California exhaust-emission alerts. It covers operator responsibilities, device control familiarity, required personal protective equipment, and safe handling of fuel, hot surfaces, and maintenance repairs. The document also outlines water supply requirements and guidance for connection, filtration, and proper flow/hosing to protect the machine and users.

LanguageEnglish

CategoryHealthcare

FormatPDF

Pages46

Reading Time1 h 56 min

AccessFree to download

IMPORTANT SAFETY INSTRUCTIONS

Owner/User Responsibility

Safety Alert Symbols

Water Supply (Cold Water Only)

Model Overview

G 3500 OHT English 2 Español 16 Français 31 8.755-063.0 09/16 HIGH PRESSURE WASHER OPERATOR MANUAL Model Overview 3 Important Safety Instructions 4 Assembly Instructions 5 Operating Instructions 7 Using the Accessories 8 Working With Detergents 9 Taking a Break 9 Shutting Down & Clean-Up 10 Winterizing and Long-Term Storage 10 Maintenance Instructions 10 Cleaning Tips 11 Troubleshooting 12 Speciﬁcations | G 3500 OHT | | | --- | --- | | Operating Pressure | 3500 PSI | | Water Volume | 2.6 GPM | | Detergent Suction | 0.15-0.20 GPM | | Engine | Honda GX200 | | Part No. | 1.107-268.0 | | Serial No. | | Safety Alert Symbols DANGER Indicates “an eminently hazardous situation which, if not avoided, will result in death or serious injury.” WARNING Indicates “a potentially hazardous situation which, if not avoided, could result in death or injury.” CAUTION Indicates “a potentially hazardous situation which, if not avoided, may result in minor or moderate injury or in property damage incidents.” Owner/User Responsibility The owner and/or user must have an understanding of the manufacturer’s operating instructions and warnings before using this pressure washer. Warning information should be emphasized and understood. If the operator is not ﬂuent in English, the manufacturer’s instructions and warnings shall be read to and discussed with the operator in the operator’s native language by the purchaser/owner, making sure that the operator comprehends its contents. Owner and/or user must study and maintain for future reference the manufacturer’s instructions. Kärcher Customer Support USA/ Canada Call: 1-800-537-4129 for help or visit our website: [karcher.com/us](karcher.com/us) Please take a moment to register your pressure washer online at: [www.karcher-register.com](www.karcher-register.com) Kärcher Customer Support México Call: 01-800-024-13-13 for help or visit our [website: www.karcher.com.mx](website: www.karcher.com.mx) English 3 MODEL OVERVIEW 1 8 2 11 9 5 6 12 4 3 10 ~~ ~~ 7 1 Handle 2 Trigger gun 3 Trigger gun safety lock 4 High pressure hose 5 Gas tank 6 Spray wand 7 Dipstick 8 Water inlet with garden hose connector 9 High pressure outlet 10 Detergent suction tube with ﬁlter 11 Quick connect nozzles 12 Water inlet ﬁlter For engine details see engine manual. IMPORTANT SAFETY INSTRUCTIONS ■ Read the operating instructions of the engine manufacturer before start-up and follow the safety instructions carefully. WARNING When using this product, basic precautions should always be followed, including the following: ■ Read all instructions before using product. ■ To reduce the risk of injury, close supervision is necessary when the product is used near children. ■ Know how to stop the product and bleed pressures quickly. Be thoroughly familiar with the controls. ■ Stay alert – watch what you are doing. ■ Do not operate when fatigued or under the inﬂuence of alcohol or drugs. ■ Keep operating area clear of all persons. ■ Do not overreach or stand on unstable support. Keep good footing and balance at all times. ■ Wear safety goggles and ear protection. ■ Follow the maintenance instructions speciﬁed in the manual. ■ To avoid risks, all repairs and replacement of spare parts should only be carried out by trained personnel. ■ Tire pressure should not exceed max. 25 psi. WARNING Risk of injection or injury – Do not direct Discharge stream At persons. ■ High pressure jets can be dangerous if misused.The jet must not be directed at persons, animals, electrical devices, or the unit itself. DANGER Do not spray electrical connections, electrical outlets or ﬁxtures. WARNING Risk of explosion –Do not spray ﬂammable liquids. Operate only where open ﬂame or torch is permitted. 4 English ■ Do not use acids, solvents, or any alkaline or ﬂammable material in this product. These produ

FAQs

What basic safety precautions are required before operating the G 3500 OHT?

Read the engine and product operating instructions first, follow all warnings, stay alert, and wear safety goggles and ear protection. Keep the area clear and use proper footing to avoid unstable operation.

What hazards should operators avoid during use?

Do not direct the discharge stream at persons, animals, electrical devices, or the unit. Never spray electrical connections or outlets, and do not spray flammable liquids or use acids/solvents/alkaline materials.

What are the water supply requirements when connecting the washer?

Use cold water only and observe local regulations for mains connections. Use a water filter to prevent damage from dirt, ensure the garden hose diameter is at least 5/8 inch, and meet the required flow rate.

Aug 26, 2026

Upload by Oliver Hayes