K 3.97 M High Pressure Washer Operator Manual Overview ........2 IMPORTANT PRECAUTIONS .. 3 - 4 Assembly Instructions ....4 Operating Instructions ....5 GFCI Instructions ......6 Using the Accessories ....6 Working with Detergents ....7 Shut Down and Clean-Up ....8 Taking a Break ......
Model K 3.97 M OVERVIEW Item Description 1. Power cord with Ground Fault Circuit Interrupter (GFCI) 2. Trigger gun 3. Trigger gun safety lock 4. High pressure hose 5. Water inlet with filter and garden hose connector 6. Transport handle 7.
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IMPORTANT PRECAUTIONS – Read First! extension cord from the receptacle before Safety Warnings disconnecting the product from the extension When using this product, basic precautions cord. If you are using an extension cord, it should always be followed: should always be completely unwound from •...
IMPORTANT PRECAUTIONS – continued PRECAUTIONS Water Supply (Cold Water Only) • The water supply temperature must not • Water hose must be at least 3/4 inch in exceed 104°F/40°C. diameter. • Never use the pressure washer to draw in • Flow rate of water supply must not fall water contaminated with solvents, e.g.
OPERATING INSTRUCTIONS Step 1 Step 1 Step 2 Step 2 Step 1 Step 1 Step 1 Step 2 Step 2 Step 2 Connect the high pressure hose to the high Insert the spray wand of your choice into the pressure outlet. trigger gun.
GFCI INSTRUCTIONS Note: The actual appearance of the GFCI may be different from this illustration. Step 1 Step 1 Step 2 Step 2 Step 1 Step 1 Step 1 Step 2 Step 2 Step 2 Plug the Ground Fault Circuit Interrupter Press “TEST”, then press “RESET”...
(–) Special formula won’t clog the suction tube position to apply detergents. filter and will protect the internal parts of the pressure washer for a longer life. For Karcher Detergents, check your retailer or call: In USA Call: 1-800-537-4129 or visit our website: www.karcher-usa.com...
CARE AND MAINTENANCE INSTRUCTIONS Maintenance The unit is maintenance-free. Cleaning the water inlet filter Pull out the water inlet filter with flat-nose pliers and rinse out in warm water. CLEANING TIPS Deck Cleaning Cement Patios, Brick and Stone (with or without detergent) (with or without detergent) Pre-rinse deck and surrounding area with Pre-rinse cleaning surface with fresh water.
TROUBLESHOOTING Disconnect the machine from the power source before making any repair. Symptom Cause Solution Motor will not start On/Off switch is in the “OFF” (O) Turn switch to the “ON” (I) position position. Power cord is not plugged in. Plug in power cord.
Call service center. Oil seals are damaged or worn. Call service center. Oil Drip. If you encounter any additional In USA Call: difficulties not listed, please call our 1-800-537-4129 service center for help. or visit our website: www.karcher-usa.com Karcher Customer Support USA...