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Karcher K 3.97M manual

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Table of contents for the manual

  • Page 1

    High Pressur e W asher Operator Manual Over vi ew ....................................... 2 Precautions ............................. 3 - 4 Assembly Instructions ................. 4 Operating Instructions ................. 5 Using the accessories ................. 6 W orking with Detergents ............. 7 Shut Down and Clean-Up ............ 8 T ak[...]

  • 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 operate pressur e washer without the water tur ned on Never use hot water NEVER! THE BEST ANTI-FREEZE PROTECTION I[...]

  • Page 3

    3 Safety W ar nings When using this product basic precautions should always be followed: • Read all the instructions before using the product. • High pressur e 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 reduce the risk of injury , do not operat[...]

  • Page 4

    4 IMPORT ANT PRECAUTIONS – continued W ater Supply (Cold Water Only) • W ater hose must be at least 1/2 inch or 5/8 inch in diameter . • Flow rate of water supply must not fall below 2 GPM (gallons per minute). • Flow rate can be determined by running the water for one minute into an empty 5-gallon container . • The water supply temperatu[...]

  • Page 5

    5 OPERA TING INSTRUCTIONS Step 1 Connect the high pressur e hose to the high pressur e outlet. Step 3 Connect the garden hose to the water inlet. Step 5 Plug the power cord into the power outlet. T rigger the gun to eliminate trapped air , wait for a steady flow of water to emerge fr om the spray nozzle. Step 4 Connect garden hose to the cold water[...]

  • Page 6

    6 W ARNING RISK OF INJECTION OR INJURY -DO NOT DIRECT DISCHARGE STREAM A T PERSONS. TO A VOID SERIOUS INJURY , NEVER POINT SPRA Y NOZZLE A T YOURSELF , OTHER PERSONS OR ANIMALS. High pressur e pencil jet cleaning High pressur e fan jet cleaning Rotating jet for maximum dirt cutting action Low pressur e fan jet for deter gent injection USING THE ACC[...]

  • Page 7

    7 WORKING WITH DETERGENTS Step 1 Install the W ash brush or Quattro nozzle. T urn Quattro Nozzle to Low pressur e position. Rotate the spray lance in the direction of “ ” until reaching the stop. Note : No detergent in high-pressure mode Detergents can only be applied at low pressure. Step 3 T urn on the pressure washer . Pull trigger to operat[...]

  • Page 8

    8 Step 5 Disconnect the high pressure hose from the high pr essure outlet. Step 1 Pull trigger down (A) and engage gun safety lock (B). 1. Disconnect all water connections. 2. T urn on the machine for a few seconds , until the water which had remained in the pump exits. T ur n off immediately . 3. Do not allow high pr essure hose to become kinked. [...]

  • Page 9

    9 WINTERIZING AND LONG-TERM STORAGE – continued 5) Cleaning the water inlet filter Pull out the water in- let filter with flat-nose pliers and rinse out in warm water. Maintenance The unit is mainte- nance-free. 6) Cleaning the detergent inlet filter Pull it out and rinse out in warm water. Deck Cleaning (with or without detergent) Pre-rinse deck[...]

  • Page 10

    10 Barbecue Grills, Outdoor Power Equipment & Gardening T ools (with or without detergent) Pre-rinse cleaning surface with fr esh water . If using Kärcher Pressure W ash or Degreaser , place detergent suction tube directly into cleaning solution and apply detergent at low pr essure. Allow Pressure Wash to remain on surface 1-3 minutes. Do not [...]

  • 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 pr oper gauge. Extension c[...]

  • Page 12

    12 TROUBLESHOOTING – continued Solution Dilute detergent. T ur n quattro nozzle tip to low pressur e position. Blow out or remove debris with a fine needle. Insert the quattr o nozzle into the trigger gun. Carefully pr ess in against the spring tension and twist into the locked position. Call Customer Service. Check that hoses and fittings are ai[...]