Table of Contents

1.0 Safety Do’s and Don’ts

4

1.1 - Danger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.2 - Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.3 - Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.4 - Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.0 Operating Instructions

5

2.1 - Machine Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.2 - Hose Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.3 - Before Starting Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.4 - Starting Gasoline / Diesel Engine Machines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.5 - Pressure Washing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.6 - Stopping the Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.0

Cleaning Nozzles

8

4.0

Cleaning and Applying Detergent

9

5.0 Maintenance

10

5.1 - Pump Crankcase Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 5.2 - Preventative Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

6.0 Pump and Unloader Valve Diagnosis

11

7.0 Pressure Washer Limited Warranty

12

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Simpson PS4240H manual Table of Contents

PS4240H specifications

The Simpson PS4240H is a powerful and versatile gas pressure washer designed for both residential and commercial cleaning tasks. Known for its durability and efficiency, it delivers outstanding cleaning performance, making it an ideal choice for various applications, from washing vehicles to cleaning driveways and decks.

At the heart of the PS4240H is a robust Honda GX200 engine, renowned for its reliability and performance. This 196cc engine generates impressive power, enabling the pressure washer to reach a maximum pressure of 4200 PSI. This powerful output allows users to tackle even the toughest grime and dirt, significantly reducing the time and effort required for cleaning.

One of the standout features of the PS4240H is its high flow rate, which reaches up to 4.0 GPM (gallons per minute). This combination of high pressure and flow rate allows for efficient cleaning, making it ideal for larger areas, such as commercial properties or extensive outdoor spaces. Additionally, the unit comes equipped with a professional-grade generator-style pump that is designed for long-lasting performance, ensuring reliability during demanding cleaning jobs.

The pressure washer features five quick-connect nozzle tips, which enable users to choose the appropriate spray pattern for different tasks. Ranging from 0 degrees to 40 degrees, these nozzles allow for versatile cleaning options, from concentrated streams for tough stains to wider sprays for rinsing large surfaces. This adaptability makes the PS4240H suitable for a broad spectrum of applications.

Durability is another hallmark of the Simpson PS4240H. Its frame is constructed with a heavy-duty steel design, ensuring that it can withstand the rigors of frequent use. The oversized pneumatic tires enhance mobility, making it easier to maneuver across various terrains. Furthermore, the pressure washer features an ergonomic spray gun with a safety lock, promoting ease of use and reducing the risk of accidental activation.

In addition to its impressive technical specifications, the Simpson PS4240H is designed with user convenience in mind. The compact design and built-in storage solutions for accessories such as nozzles and hoses enhance overall functionality.

With features that blend power, efficiency, and durability, the Simpson PS4240H is an excellent investment for both homeowners and professionals seeking a reliable and effective pressure washing solution. Its high-performance capabilities make it a standout choice in the competitive market of pressure washers.