Shutting Down & Cleanup

Step 1

Remove detergent suction tube from container and insert into 1 gallon of fresh water. Siphon water at low pressure for one minute.

	O/	OFF
	O/
I /	ON
I /

Step 2

Turn the switch to off

(O)position and unplug cord from outlet.

Step 3	Step 4
Turn off the water	Press trigger to
source.	release water
	pressure.

Step 5

Disconnect the garden hose from the water inlet on the unit.

Step 6

Step 7

Disconnect the high pressure hose Release trigger (A)

from the high pressure outlet. and engage gun safety lock (B).

TAKING A BREAK... five minutes or more

Step 1

Release trigger (A) and engage gun safety lock (B).

	O/	OFF
	O/
I /	ON
I /

Step 2

Turn pressure washer to off (O) position.

WINTERIZING AND LONG-TERM STORAGE

1.Disconnect all water connections.

2.Turn on the machine for a few seconds, until the water which had remained in the pump exits. Turn off immediately.

3.Do not allow high pressure hose to become kinked.

4.Store the machine and accessories in a room which does not reach freezing temperatures.

Caution: Failure to follow the above directions will result in damage to the pump assembly and accessories.

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.