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Karcher K 3.97 M manual

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Table of contents for the manual

  • Page 1

    High Pressure Washer Operator Manual Overview ....................................... 2 Precautions ............................... 2-4 Assembly Instructions ............... 4-5 Operating Instructions ............... 5-6 GFCI Instructions ......................... 6 Using the Accessories .................. 6 W orking with Detergents .............. [...]

  • 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 Model K 3.97 M OVER[...]

  • 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. • T o red[...]

  • Page 4

    4 W ater Supply (Cold Water Onl y) • W ater 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 PR[...]

  • Page 5

    5 ASSEMBLY INSTRUCTIONS – continued OPERATING INSTRUCTIONS Step 4 Step 4 Step 4 Step 4 Step 4 Pull out the locking slide from the right side of the trigger gun handle, and insert the small end of the high pressure hose into place. Push the locking slide back into the trigger gun to lock the hose in position. Step 5 Step 5 Step 5 Step 5 Step 5 Ins[...]

  • Page 6

    6 OPERATING INSTRUCTIONS – continued Step 5 Step 5 Step 5 Step 5 Step 5 T urn Quattro Nozzle to desired setting position. Match symbols abov e. Step 6 Step 6 Step 6 Step 6 Step 6 T urn on the pressure washer . The motor starts only if the trigger of the gun is pulled and shuts off when the trigger is released. WARNING RISK OF INJECTION OR INJUR Y[...]

  • Page 7

    7 For best results see Cleaning Tips on pages 9 & 10 for specific information on how to clean different surfaces. Always Use Karcher Detergents for Best Results. Karcher biodegradable detergents are“specially formulated to protect the environment and your pressure washer . Special formula won’t clog the suction tube filter and will protect [...]

  • 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. T urn on the machine for a fe w seconds , until the water which had remained in the pump e xits. T ur n off immediately . 3. Do not allow high pr[...]

  • Page 9

    9 Deck Cleaning (with or without detergent) Pre-rinse deck and surrounding area with fresh water . If using Kärcher Deck and P atio 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 Kärch[...]

  • 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 Pur pose 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.[...]

  • Page 11

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

  • Page 12

    12 TROUBLESHOOTING – continued If you encounter an y additional difficulties not listed, please call our ser vice center f or help . Karcher Customer Support USA 1-800-537-4129 Solution Check connection. Dilute detergent, for best results use Kärcher detergent. Run warm water through filter to remove debris. Remove obstruction or replace deterge[...]