Technical Guides | Foreman UK

THE KNOWLEDGE CENTRE

Practical engineering knowledge for professional users.

The Foreman Knowledge Centre is a growing library of practical guidance, technical information and engineering insight to help professional users specify, operate, maintain and get the best from their equipment.

Whether you're selecting the right product, understanding how systems work, solving technical problems, improving reliability or planning routine maintenance, our aim is to provide clear, accurate information based on real-world experience.

THE KNOWLEDGE CENTRE

Practical engineering knowledge for professional users.

KNOWLEDGE CENTRE

This guide provides general safety information for the operation of professional pressure washers. It is intended to supplement, not replace, the operator manual

Learn how pressure, flow rate, drive systems and fuel types influence machine selection for different professional cleaning applications and working environments in practice.

This guide explains the most common pressure washer faults, their likely causes and the first checks to perform before replacing components or requesting support

Understand how pressure and flow rate work together to influence cleaning performance, rinse efficiency and overall productivity in professional cleaning applications.

Learn how the Honda GX200 QX3 engine is configured, maintained and serviced to maximise reliability and performance in professional applications.

Compare petrol and diesel pressure washers to understand their operating characteristics, portability and suitability for different cleaning applications.

Learn how nozzle size, spray angle and orifice selection affect pressure, flow rate and cleaning performance across different applications.

Discover which pressure washer configurations are best suited to common cleaning tasks, helping you choose the right machine for every application.

Learn how to prepare, store and protect your pressure washer during winter to prevent frost damage and ensure reliable operation next season.

Learn the differences between suction feed and mains feed water supplies, and how each system affects pressure washer performance and operation.

Understand how direct-drive and gearbox-driven systems differ in pump speed, operating characteristics and suitability for different cleaning applications.

Learn how return-to-head and return-to-tank bypass systems operate, and when each design is best suited to professional pressure washer applications.

This guide explains what cavitation is, why it occurs, how to recognise the warning signs and the operating practices that help prevent pump damage.

Understand how hose diameter and length affect pressure loss, flow rate and overall pressure washer performance across different applications.

Understand the most common causes of pressure washer pump failure, and how correct operation and maintenance can help prevent costly repairs.

This guide explains how pressure regulators work, why correct adjustment is important and the operating practices that help maximise pump reliability.