Karcher K 3.78 specifications Operating Instructions

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OPERATING INSTRUCTIONS

Step 1

Connect the high pressure hose to the high pressure outlet.

Step 2

Insert the spray wand of your choice into the trigger gun. Press in against the spring tension and twist into the locked position.

5

Step 3

Connect the garden hose to the water inlet.

Step 4

Connect garden hose to the cold water source and turn water on completely. Plug the power cord into the power outlet.

Step 5 Unlock the lock of the trigger gun

(A). Trigger the gun (B) to eliminate trapped air, wait for a steady flow of water to emerge from the spray nozzle.

O/

OFF

 

I /ON

Step 6 Turn on the pressure

washer (I). The motor starts only if the trigger of the gun is pulled and shuts off when the trigger is released.

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Contents 78 M Never OverviewExtension Cords Important Precautions Read FirstGround Fault Circuit Interrupter Gfci Protection Water Supply Cold Water Only Important PrecautionsAssembly Instructions Operating Instructions Gfci Instructions Using the AccessoriesAlways Use Karcher Detergents for Best Results Working with DetergentsWinterizing and LONG-TERM Storage Shutting Down & CleanupTaking a BREAK... five minutes or more Deck Cleaning Cleaning TipsHouse Siding Cement Patios, Brick and StoneOptional Cleaning Accessories Cleaning TipsBarbecue Grills, Outdoor Power Equipment & Gardening Tools Patio & Lawn FurnitureTroubleshooting Troubleshooting

K 3.78 specifications

The Kärcher K 3.78 is a versatile and powerful pressure washer designed for light to medium-duty outdoor cleaning tasks. Renowned for its combination of performance and user-friendliness, it has become a popular choice among homeowners looking to maintain the cleanliness of their vehicles, patios, driveways, and garden furniture.

At the heart of the K 3.78 is its robust motor, which delivers a maximum pressure of 1800 PSI, allowing users to efficiently tackle various grime and dirt challenges. The water flow rate of up to 1.6 GPM ensures that stubborn stains and dirt are effectively washed away, making it suitable for a wide range of applications.

One of the standout features of the K 3.78 is its innovative N-Cor pump, which is designed for durability and longevity. It is resistant to corrosion, ensuring that the pressure washer stands the test of time even with regular use. The K 3.78 also includes a detergent injection system, enabling users to apply cleaning solutions directly through the spray wand, enhancing cleaning efficiency for more challenging stains.

The pressure washer is equipped with a 20-foot high-pressure hose, giving users ample reach while staying mobile. The ergonomic handle and lightweight design further ensure comfort during use, reducing hand fatigue, especially during extended cleaning sessions. Additionally, the integrated on-board storage allows for convenient access and storage of accessories, including nozzles and the detergent bottle.

Speaking of nozzles, the K 3.78 features an adjustable spray wand with multiple settings. This versatility allows users to switch between high-pressure jets for tackling tough dirt and wider spray patterns for rinsing larger areas, all without the need to change out the nozzle.

When it comes to safety, the K 3.78 includes a safety lock mechanism on the trigger gun, preventing accidental activation. The robust construction of the unit ensures stability during operation, reducing the risk of tipping over.

In summary, the Kärcher K 3.78 is an excellent investment for those seeking a reliable pressure washer that balances power and convenience. With its durable construction, versatile cleaning capabilities, and user-friendly design, the K 3.78 makes outdoor cleaning tasks simpler and more efficient, keeping your spaces looking pristine all year round.
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