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Karcher K 3.99 M manual

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Table of contents for the manual

  • Page 1

    High Pressure Washer Operator Manual Overview ....................................... 2 IMPORT ANT PRECAUTIONS .. 3 - 4 Assembly Instructions .................. 4 Operating Instructions .................. 5 GFCI Instructions ......................... 6 Using the Accessories ................. 6 Working with Detergents ............... 7 Shut Down and[...]

  • Page 2

    2 Never point nozzle at people or animals. Never drink alcohol or use drugs while operating this equipment. Never operate while standing in water. Never touch plug with wet hands. Never let electrical connections rest in water. Never Never Never Never Never operate pressure washer without the water turned on Never use hot water OVERVIEW NEVER! Item[...]

  • Page 3

    3 IMPORTANT PRECAUTIONS – Read First! 2 Safety Warnings When using this product, basic precautions should always be followed: • Read all the instructions before using the product. • High pressure jets can be dangerous if subject to misuse. The jet must not be directed at persons, animals, electrical devices, or the machine itself. • To redu[...]

  • Page 4

    4 Water Supply (Cold Water Only) • Water hose must be at least 3/4 inch in diameter. • Flow rate of water supply must not fall below 2.5 GPM (gallons per minute). • Flow rate can be determined by running the water for one minute into an empty“ 5-gallon container. Step 1 Step 1 Step 1 Step 1 Step 1 IMPORTANT PRECAUTIONS – continued PRECAUT[...]

  • Page 5

    5 OPERATING INSTRUCTIONS Step 2 Step 2 Step 2 Step 2 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. Step 1 Step 1 Step 1 Step 1 Step 1 Connect the high pressure hose to the high pressure outlet. Step 3 Step 3 Step 3 Step 3 Step 3 Connect the garden hose to th[...]

  • Page 6

    6 W arning TO A VOID SERIOUS INJURY , NEVER POINT SPRA Y NOZZLE A T YOURSELF , OTHER PERSONS OR ANIMALS GFCI INSTRUCTIONS USING THE ACCESSORIES The Vario spray wand allows you to adjust the cleaning pressure. To clean at maximum pressure, the Vario wand must be positioned to the high pressure setting (+). To apply detergent, the wand must be positi[...]

  • Page 7

    7 Step 1 Step 1 Step 1 Step 1 Step 1 Install the Vario spray wand. Set the Vario spray wand to the low pressure setting (–) by turning the wand collar. The wand must be set in the low pressure (–) position to apply detergents. Step 2 Step 2 Step 2 Step 2 Step 2 Fill the detergent reservoir with Kärcher detergent. Place the filter end of deterg[...]

  • Page 8

    8 Step 6 Step 6 Step 6 Step 6 Step 6 Disconnect the high pressure hose from the high pressure outlet. Step 1 Step 1 Step 1 Step 1 Step 1 Engage the gun safety lock. 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 of f immediately. 3. Do not allow high pressur[...]

  • Page 9

    9 Deck Cleaning (with or without detergent) Pre-rinse deck and surrounding area with fresh water. If using Kärcher Deck and Patio Cleaner, place detergent suction tube direct- ly into cleaning solution and apply to surface at low pressure. For best results, limit your work area to smaller sections of approxi- mately 25 square feet. Allow Kärcher [...]

  • Page 10

    10 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[...]

  • Page 11

    11 TROUBLESHOOTING Disconnect the machine from the power source before making any repair. Symptom Motor will not start Unit does not reach high pressure. Output pressure varies high and low . Cause On/Off switch is in the “OFF” (O) position. Power cord is not plugged in. Extension cord is too long. Extension cord is not proper gauge. Extension [...]

  • Page 12

    12 TROUBLESHOOTING – continued If you encounter any additional difficulties not listed, please call our service center for help. Karcher Customer Support USA In USA Call: 1-800-537-4129 or visit our website: www .karcher -usa.com Solution Check connection. Dilute detergent, for best results use Kärcher detergent. Run warm water through filter to[...]