Karcher K 3.78 specifications Cleaning Tips, Optional Cleaning Accessories, Patio & Lawn Furniture

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CLEANING TIPS – continued

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Barbecue Grills, Outdoor Power Equipment & Gardening Tools

(with or without detergent)

Pre-rinse cleaning surface with fresh water. If using Kärcher All Purpose Cleaner or Degreaser, place detergent suction tube directly into cleaning solution and apply detergent at low pressure. Allow Kärcher detergent to remain on surface 1-3 minutes. Do not allow detergent to dry on surface. Rinse at high pressure keeping the spray nozzle approximately 3-6 inches from the cleaning surface. For removing extremely stubborn dirt, it may be necessary to move the spray nozzle even closer to the surface for greater dirt cutting action.

Caution: Do not use rotary spray wand on cloth, plastic or other sensitive surfaces as it may cause damage.

Patio & Lawn Furniture

(with or without detergent)

Pre-rinse furniture and surrounding area with fresh water. If using Kärcher All Purpose Cleaner, place detergent suction tube directly

into cleaning solution and apply to surface at low pressure. Allow Kärcher All Purpose Cleaner to remain on surface 1-3 minutes. Do not allow detergent to dry on surface. If needed use special Wash Brush Attachment to remove stubborn dirt. Rinse at high pressure in a sweeping motion keeping the spray nozzle approximately 3-6 inches from the cleaning surface. For best results, clean from top to bottom and from left to right.

Caution: Do not use rotary spray wand on patio or lawn furniture as it may cause damage.

Recommendations

Before cleaning any surface an incon- spicuous area should be cleaned to test spray pattern and distance for maximum cleaning results.

If painted surfaces are pealing or chipping, use extreme caution as pressure washer may remove the loose paint from the surface.

While using on surfaces which might come in contact with food. Flush surfaces with plenty of drinking water.

OPTIONAL CLEANING ACCESSORIES

Optional cleaning accessories are available to further enhance your cleaning capabilities: See accessories order form for product descriptions and ordering instructions.

• Vario Spray Wand

• Wet Sandblasting Attachment

• House Washing Wand

• Pipe Drain Cleaner

• Extension Wand, 20 inches

• Water Suction Hose With Filter

• Flexible Spray Wand

• Extension Hose 25’

• Underbody Spray Wand

• Rotating Wash Brush

• 4 Piece Extension Wand, 66 inches

• K12 Surface Cleaner

In USA call:

1-800-537-4129

or visit our website: www.karcher-usa.com

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Contents 78 M Overview NeverGround Fault Circuit Interrupter Gfci Protection Important Precautions Read FirstExtension Cords Assembly Instructions Important PrecautionsWater Supply Cold Water Only Operating Instructions Using the Accessories Gfci InstructionsWorking with Detergents Always Use Karcher Detergents for Best ResultsTaking a BREAK... five minutes or more Shutting Down & CleanupWinterizing and LONG-TERM Storage House Siding Cleaning TipsDeck Cleaning Cement Patios, Brick and StoneBarbecue Grills, Outdoor Power Equipment & Gardening Tools Cleaning TipsOptional Cleaning Accessories 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.