Karcher K 3.79 M User's Manual
Contents
1. ON I position Power cord is not plugged in Plug in power cord Extension cord is too long Extension cord is not proper gauge Extension cord is damaged Replace extension cord with either a 25 ft 12 3 gauge cord or a 50 ft 10 3 gauge cord Electrical outlet does not supply adequate power Diameter of garden hose is too small Try a different outlet Replace with a 1 2 inch or 5 8 inch garden hose Water supply is restricted Check garden hose for kinks leaks and blockage Not enough inlet water supply Open water source full force Water inlet filter is clogged Remove filter and rinse out in warm water Spray wand is on low pressure position Not enough inlet water supply Turn spray wand to high pressure position Turn water on full force Check garden hose for kinks leaks or blockage Pump is sucking air Check that hoses and fittings are air tight Turn off machine and purge pump by squeezing trigger gun until a steady flow of water emerges through the nozzle Water inlet filter is clogged Remove filter and rinse out in warm water Discharge nozzle is obstructed Blow out or remove debris with a fine needle Calcified gun hose or spray wand Run distilled vinegar through detergent tank TROUBLESHOOTING continued Symptom Solution No detergent Detergent is too thick Dilute detergent Spray wa2. etc e Flow rate of water supply must not fall NOTE Dirt in the feed water will below 2 GPM gallons per minute damage the unit To avoid this risk e Flow rate can be determined by running the we recommend fitting a water filter water for one minute into an empty e Always prevent debris from being drawn 5 gallon container into the unit by using a clean water source e The water supply temperature must not and an accessory water filter if required exceed 104 F 40 C Save these instructions ASSEMBLY INSTRUCTIONS Step 5 Step 4 Pull out the locking slide from the right side of the trigger gun handle A and insert the small end of the high pressure hose into place B Push the locking slide back into the trigger gun to lock the hose in position OPERATING INSTRUCTIONS Step 2 Insert the spray wand of your choice into the Step 1 trigger gun Press in against the spring tension and twist into the locked position Connect the high pressure hose to the high pressure outlet Step 4 Step 3 Connect garden hose to the cold water source and turn water on completely Connect the garden hose to the water inlet Plug the power cord into the power outlet h oN A Step 5 Step 6 Unlock the lock of the trigger gun A Trigger Turn on the pressure washer I The motor the gun B to eliminate trapped air wait fora Starts only if the trigger of the g
3. unit Liquid detergent is drawn into the unit and mixed with water Apply detergent to work area Do not allow detergent to dry on surface For best results see Cleaning Tips on pages 9 amp 10 for specific information on how to clean different surfaces Always Use K rcher Detergents for Best The following K rcher detergents are Results available K rcher biodegradable detergents are e Pressure Wash Degreaser specially formulated to protect the environment Deck Fence Wash e Vehicle Wash and your pressure washer Special formula won t clog the suction tube filter and will if protect the internal parts of the pressure Caution A Never use washer for a longer life For K rcher e Bleach Chlorine products and other detergents check your retailer or call corrosive chemicals e Liquids containing solvents 1 800 465 4980 i e paint thinners gasoline oils e Tri sodium phosphate products e Ammonia products e Acid based products These chemicals will harm the unit and will damage the surface being cleaned SHUTTING DOWN amp CLEAN UP Step 1 Step 2 Step 3 Turn the switch to off O Turn off the water Press trigger to release position and unplug cord source water pressure from outlet Step 4 Step 5 Step 6 Disconnect the garden hose from Disconnect the high pressure hose Release trigger A the water inlet on the unit from the high pressure outlet and enga
4. KARCHER K 3 79 M High Pressure Washer Operator Manual OVETVIEW ccc dees cscs ses tsecdpeestnceartasapvebseeteaaes PreCAUtlONS sinss Assembly Instructions cceeeees Operating Instructions Using the Accessories Working with Detergents Shut Down and Clean Up Taking a Break cccssiccccsscrsscicscesenesieereass Winterizing and Long Term Storage so rean EAEE EEE Cl aning TiPS ss ssteaiaiaviavcsien Optional Cleaning Accessories Troublas hooti sssini Specifications Working Pressure sssessssisssisse 9000 kPa ETENEE E Cheer gehen cet 1300 PSI Max Pressure ax 1500 PSI Max Water volume ee 1 6 GPM Voltage zsrsr 120 V AMP draW cece ccavesevestetecensteccers cones 13 AMPS Please keep the original box packaging and receipt Before operating this unit please read this manual thoroughly and retain it for future reference Part No 1 423 922 0 Manual Part No 5 961 170 0 11 03EN For household use only 1 Power cord 8 Detergent tank 2 Trigger gun 9 High pressure outlet 3 Trigger gun safety lock 10 On Off switch 4 High pressure hose 11 Detergent tank cap with detergent 5 Water inlet with filter not shown suction hose 6 Transport handle 12 Vario power spray wand 7 Accessory compartment not shown 13 Rotary spray wand Never point nozzle at people or animals Never drink alcohol or use drugs while operating this equipment N
5. aisweeping motion using K rcher Pressure Wash or Degreaser keeping the spray neezis approximately 3 6 inches from the cleaning surface For best apply detergent at low pressure Allow P results clean from top to bottom and from ressure Wash to remain on surface left to right 1 3 minutes A 9 Do not allow detergent to dry on surface Caution Donotuse rotary spray wand Rinse at high pressure keeping the spray on patio or lawn furniture as it may cause nozzle approximately 3 6 inches from the damage cleaning surface For removing extremely stubborn dirt it may be necessary to move Recommendations the spray nozzle even closer to the surface e Before cleaning any surface an for greater dirt cutting action inconspicuous area should be cleaned to Caution Do not use rotary spray wand on test spray pattern and distance for cloth plastic or other sensitive surfaces maximum cleaning results as it may cause damage e f painted surfaces are peeling or chipping use extreme caution as Patio amp Lawn Furniture pressure washer may remove the loose with or without detergent paint from the surface Pre rinse furniture and surrounding area with e When using on surfaces which might fresh water If using Pressure Wash apply to come in contact with food flush surfaces surface at low pressure Allow Pressure with plenty of drinking water OPTIONAL CLEANING ACCESSORIES Optional cleaning accessories are available to further enhanc
6. e 1 3 minutes Do not allow detergent to dry on surface Rinse at high pressure in a sweeping motion keeping the spray nozzle approximately 3 6 inches from the cleaning surface Always clean from top to bottom and from left to right For removing extremely stubborn stains use the rotary spray wand Cars Boats amp Motorcycles with or without detergent Pre rinse vehicle with fresh water If using K rcher Vehicle Wash apply to surface at low pressure For best results clean one side of vehicle at a time and always apply detergent from bottom to top do not allow detergent to dry on surface If needed use special wash brush attachment not included to remove stubborn dirt Rinse at high pressure in a sweeping motion keeping the spray nozzle approximately 6 8 inches from the cleaning surface distance should increase when rinsing pin striping or other sensitive surfaces Always clean from top to bottom and from left to right For best results wipe surface dry with a chamois or soft dry cloth Caution Do not use the rotary spray wand on vehicles as it may cause damage CLEANING TIPS continued Barbecue Grills Outdoor Wash to remain on surface 1 3 minutes Do Power Equipment amp not allow detergent to dry on surface If Gardening Tools needed use special Wash Brush Attachment with or without detergent not included to remove stubborn dirt Rinse Pre rinse cleaning surface with fresh water If at high pressure inl
7. e your cleaning capabilities For details call 1 800 465 4980 or visit www karcher ca e Rotating Wash Brush e Extension wand e Wash Brush e Water Siphon Kit e Underbody Wand e 25 Extension Hose e Pipe Drain Cleaner e T Racer e Sandblasting Attachment KARCHER 2 YEAR WARRANTY KARCHER CANADA INC warrants to the original owner that this product shall be free from defects in material and workmanship for two years from the date of its original purchase If such a defect appears during the warranty period upon presentation of proof of purchase KARCHER CANADA INC will repair or replace at its option your product without charge This warranty does not cover accidental damage unreasonable use normal wear and tear loss of use or other consequential damages nor does it cover repairs made or attempted by unauthorized persons Trigger gun hose spray wands and other accessories are warranted for 3 months Please note that no returns will be accepted without prior authorization from our customer service department It is the owner s responsibility to file claims for damage caused by public transportation carriers directly with the carrier concerned 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 On Off switch is in the OFF O position Solution Turn switch to the
8. ever operate while standing in water Never touch plug with wet hands Never let electrical connections rest in water Never operate pressure washer without the water turned on Never use hot water THE BEST ANTI FREEZE PROTECTION IS PROVIDED BY USING AND STORING THE MACHINE IN SHELTERED SPACE IMPORTANT PRECAUTIONS Read First A Safety Warnings When using this product basic precautions should always be followed e Read all the instructions before using the product e 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 e To reduce the risk of injury do not operate the machine near children e Learn how to stop the machine and release pressure quickly Be thoroughly familiar with the controls e Stay alert watch what you are doing e Wear safety goggles e Do not use acids solvents or any other flammable material in this product These products can cause physical injuries to the operator and irreversible damage to the machine e Do not operate the product when fatigued or under the influence of alcohol or drugs e Do not stand on unstable surfaces Stand with both feet balanced at all times e To reduce the risk of electrocution keep all connections dry and off the ground Do not touch plug with wet hands e The Trigger Gun Safety Lock PREVENTS the trigger from accidentally being engaged This safet
9. ge gun safety lock B TAKING A BREAK five minutes or more Step 1 Release trigger A Step 2 and engage gun Turn pressure washer safety lock B to off O position WINTERIZING AND LONG TERM STORAGE 1 Disconnect all water connections 4 Store the machine and accessories in 2 Turn on the machine for a few seconds a room which does not reach freezing until the water which had remained in temperatures DO NOT store near the pump exits Turn off immediately furnance or other sources of heat as it d tth Is 3 Do not allow high pressure hose to Pe ee Bee become kinked Caution Failure to follow the above directions will result in damage to the pump assembly and accessories 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 Deck Cleaning with or without detergent Pre rinse deck and surrounding area with fresh water If using Karcher Deck Fence Wash apply to surface at low pressure For best results limit your work area to smaller sections of approximately 25 square feet Allow Deck Wash to remain on surface 1 3 minutes Do not allow detergent to dry on surface Rinse at high pressure in a long sweeping motion keeping the spray nozzle approximately 3 6 inches from the cleaning surface Always clean from top to bottom and from left to right When mo
10. nd is in high pressure Turn spray wand tip to low position pressure position Discharge nozzle is obstructed Blow out or remove debris with a fine needle Spray wand leaks Spray wand not properly attached Insert the spray wand into the trigger gun Carefully press in against the spring tension and twist into the locked position Broken o ring or plastic insert Call Customer Service Pump is noisy Pump is sucking air Check that hoses and fittings are air tight Turn off machine and purge pump by squeezing trigger gun until a steady flow of water emerges through the nozzle Water leaks from pump Loose fittings Check that all fittings are tight up to 10 drops per minute is permissible Water seals are damaged or worn Call Customer Service Oil Drips Oil seals are damaged or worn Call Customer Service If you encounter any additional difficulties not listed please call Customer Service at 1 800 465 4980 for help or visit www karcher ca
11. ould always be completely unwound from the cable drum Grounding Instructions This product must be grounded If it should malfunction or breakdown grounding provides a path of least resistance for electric current to reduce the risk of electric shock This product is equipped with a cord having an equipment grounding conductor and a grounding plug The plug must be plugged into an appropriate outlet that is properly installed and grounded in accordance with all local codes and ordinances DANGER Improper connection of the equipment grounding conductor can result in a risk of electrocution Check with a qualified electrician or service personnel if you are in doubt as to whether the outlet is properly grounded Do not modify the plug provided with the product if it will not fit the outlet have a proper outlet installed by a qualified electrician Do not use any type of adapter with this product Caution e Follow the maintenance instructions specified in the manual e This machine has been designed for use with cleaning detergent supplied or recommended by the manufacturer The use of other cleaning detergents may affect the operation of the machine and void the warranty IMPORTANT PRECAUTIONS continued Water Supply Cold Water Only e Never use the pressure washer to draw in e Water hose must be at least 1 2 inch or water contaminated with solvents e g 5 8 inch in diameter paint thinners gasoline oil
12. un Is steady flow of water to emerge from the pulled and shuts off when the trigger is spray nozzle released USING THE ACCESSORIES Vario power spray wand The Vario power spray wand allows you to adjust the cleaning pressure To clean at maximum pressure the wand must be positioned to the high pressure setting To apply detergent the wand must be positioned to the low pressure setting For lower pressure turn wand collar in the minus direction For higher pressure turn wand collar in the plus direction Rotary spray wand This wand features a 0 pencil jet which Warning rotates 360 for maximum dirt cutting action TO AVOID SERIOUS INJURY NEVER effectively increasing cleaning performance POINT SPRAY NOZZLE AT YOURSELF up to 50 This wand combines the cleaning OTHER PERSONS OR ANIMALS performance of a 0 pencil jet with the surface coverage of a wide angle nozzle Not recommended for soft materials siding painted surfaces decks or autos WORKING WITH DETERGENTS To apply detergents you must be operating at low pressure Install the Vario power spray wand Set the wand to the low pressure setting by turning the wand collar Note The wand must be set in the low pressure position to apply detergents F Step 3 Fill detergent tank with 1 0 L of K rcher Turn on the pressure washer Pull trigger to detergent operate
13. ving on toa new section of the cleaning surface be sure to overlap the previous section to eliminate stop marks and ensure a more even cleaning result Caution Do not use rotary spray wand on wood surfaces as it may cause damage House Siding with or without detergent Pre rinse cleaning surface with fresh water If using Karcher Pressure Wash apply to surface at low pressure for best results limit your work area to sections of approximately 6 feet and always apply detergent from bottom to top Allow Pressure Wash to remain on surface 1 3 minutes Do not allow detergent to dry on surface if surface appears to be drying simply wet down surface with fresh water If needed use special wash brush attachment not included to remove stubborn dirt Rinse at high pressure from top to bottom in an even sweeping motion keeping the spray nozzle approximately 6 inches from the cleaning surface Caution Do not use rotary spray wand on siding as it may cause damage 6 Cleaning the detergent inlet filter Pull it out and rinse out in warm water Maintenance The unit is maintenance free Cement Patios Brick and Stone with or without detergent Pre rinse cleaning surface with fresh water If using K rcher Pressure Wash or Degreaser apply to surface at low pressure For best results limit your work area to smaller sections of approximately 25 square feet Allow Pressure Wash or Degreaser to remain on surfac
14. y feature DOES NOT lock trigger in the on position WARNING e DO NOT SPRAY ELECTRICAL APPARATUS AND WIRING e DO NOT USE WITH FLAMMABLE LIQUIDS AND TOXIC CHEMICALS e INJECTION HAZARD EQUIPMENT CAN CAUSE SERIOUS INJURY IF THE SPRAY PENETRATES THE SKIN DO NOT POINT THE GUN AT ANYONE OR ANY PART OF THE BODY IN CASE OF PENETRATION SEEK MEDICAL AID IMMEDIA TELY e THIS SYSTEM IS CAPABLE OF PRODUCING 9000 KPA 1300 PSI TO AVOID RUPTURE AND INJURY DO NOT OPERATE THIS PUMP WITH COMPONENTS RATED LESS THAN 9000 KPA 1300 PSI WORKING PRESSURE INCLUDING BUT NOT LIMITED TO SPRAY GUNS HOSE AND HOSE CONNECTIONS e BEFORE SERVICING CLEANING OR REMOVING ANY PARTS SHUT OFF POWER AND RELIEVE PRESSURE Extension Cords Use a sufficient gauge Up to 25 ft 12 3 AWG 25 to 50 ft 10 3 AWG Use only extension cords that are intended for outdoor use These extension cords are identified by a marking Acceptable for use with outdoor appliances store indoors while not in use Use only extension cords having an electrical rating not less than the rating of the product Do not use damaged extension cords Examine extension cord before using and replace if damaged Do not abuse extension cord and do not yank on any cord to disconnect Keep cord away from heat and sharp edges Always disconnect the extension cord from the receptacle before disconnecting the product from the extension cord If you are using an extension cord it sh
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