Karcher K4400G User's Manual
Contents
1. surface 1 3 minutes Do not allow detergent to dry on surface Rinse at high pressure in a sweeping motion keeping the spray nozzle approxi mately 3 6 inches from the cleaning sur face Always clean from top to bottom and from left to right For removing extremely stubborn stains use Karcher Rotating Nozzle Spray Wand Cars Boats amp Motorcycles with or without detergent Pre rinse vehicle with fresh water If using Karcher Vehicle Wash place detergent suc tion tube directly into cleaning solution and 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 sur face If needed use special Wash Brush Attachment 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 rotating nozzle spray wand on vehicles as it may cause damage CLEANING TIPS continued Barbecue Grills Outdoor Power Equipment amp Gardening Tools with or without detergent Pre rinse cleaning surface with fresh water If using Karcher All Purpose Cleaner or Degreaser place detergent suction tube directly into cleaning solution2. the garden hose from the high pressure outlet and engage the gun safety lock water inlet on the unit TAKING A BREAK five minutes or more 00 Step 1 Tum off the Step 2 Press trigger Step 3 Engage gun engine to release water pressure safety lock WINTERIZING AND LONG TERM STORAGE 1 Disconnect all water connections 5 Store the machine and accessories in 2 Start the machine for a few seconds a room which does not reach freezing until the water which had remained in the temperatures The machine should not be pump exits Turn off immediately placed near an open flame i e furnace 3 Drain the gas and oil from the engine hot water heater etc 4 Do not allow high pressure hose to Caution Failure to follow the above direc become kinked tions will result in damage to the pump assembly and accessories CLEANING TIPS Deck Cleaning with or without detergent Pre rinse deck and surrounding area with fresh water If using Karcher Deck Wash place detergent suction tube directly 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 Karcher 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 t
3. what you are doing 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 The Gun Safety Lock PREVENTS the trigger from accidentally being engaged This safety feature DOES NOT lock trigger in the on position Water Supply Cola Water Only e Water hose must be at least 3 4 inch in diameter e Flow rate of water supply must not fall below 2 5 GPM gallons per minute e Flow rate can be determined by running the water for one minute into an empty 5 gallon container e The water supply temperature must not exceed 104 F 40 C e Never use the pressure washer to draw in water contaminated with solvents e g paint thinners gasoline oil etc e Always prevent debris from being drawn into the unit by using a clean water source We strongly recommend that this high pressure washer not be left running for periods of 5 minutes or longer without the trigger gun being engaged This Karcher high pressure washer is equipped with thermal protection to extend the life of your pressure washer The thermal protector will automatically activate at a predetermined high temper ature ejecting hot water before resetting This ensures that the pump does not become damaged A Caution e Follow the maintenance instruc tions specified in the manual e This machine has been designed for use with cleaning detergent su
4. KARCHER Model K 4400 G Part No 1 133 208 0 High Pressure Washer Table of Contents OVEIVIGW gand coe srra ag deed eatin Ae a gees ESERE 1 Precautions apa nama AT NAKAR eee ed 1 2 Assembly Instructions eee eee 3 Operating Instructions 0 000 e eee eee 4 Using the Accessories aaa 5 Working with Detergents aaa 6 Shut Down and Clean Up aaa 7 Taking a Break 2 0 e085 ita Feed eee eee eee 7 Winterizing and Long Term Storage 7 Cleaning TIPS erresta nerbose dekui ia bee eed a 8 9 Optional Cleaning Accessories 9 Trouble Shooting 0c eee eee eee 10 11 Model K 4000 G Operating pressure 2000 PSI Water volume 2 2 GPM Engine 6 0 HP Briggs amp Stratton Quantom Operator Manual MODEL K 4400 G OVERVIEW Item Description 1 2 3 4 ONO Qi o 11 12 13 Water inlet Detergent suction tube Oil fill cap Knob Assembly two each Hex Head Screw Serrated Washer Knob High pressure hose Detergent filter Handle Trigger gun safety lock Trigger gun Pull start Gas tank Vario spray wand High pressure outlet not pictured LAZ point nozzle at people or animals LEYI drink alcohol or use drugs while operating this equipment LA spray electrical connections electrical outlets or fixtures LA add fuel with the engine running or operate where fuel has been spilled LAZ touch hot surfa
5. and apply detergent at low pressure Allow Karcher detergent to remain on surface 1 3 minutes Do not allow detergent to dry on surface Rinse at high pressure keeping the spray nozzle approximately 3 6 inches from the cleaning surface For removing extremely stubborn dirt it may be necessary to move the spray nozzle even closer to the surface for greater dirt cutting action To remove caked on mud from garbage cans lawn mower blades wheel barrels or other non sensitive metal surfaces you may want to use the Karcher Rotating Nozzle Spray Wand Caution Do not use rotating nozzle spray wand on cloth plastic or other sensitive surfaces as it may cause damage Patio amp Lawn Furniture with or without detergent Pre rinse furniture and surrounding area with fresh water If using Karcher All Purpose Cleaner place detergent suction tube direct ly into cleaning solution and apply to surface at low pressure Allow Karcher All Purpose Cleaner to remain on surface 1 3 minutes Do not allow detergent to dry on surface If needed use special Wash Brush Attachment to remove stubborn dirt Rinse at high pres sure in a sweeping motion keeping the spray nozzle approximately 3 6 inches from the cleaning surface For best results clean from top to bottom and from left to right Caution Do not use rotating nozzle spray wand on patio or lawn furniture as it may cause damage Recommendations e Before cleaning any surface an inconspic uou
6. ces or allow accessories to contact hot surfaces LA operate in an enclosed space exhaust fumes are dangerous LE operate near utilities with open flames LA operate without the water turned on and never use hot water 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 FIRE HAZARD Do not add fuel with the engine running Do not operate if fuel has been spilled Instead move the machine to a different location and avoid creating sparks e Operate and fuel machine in a well venti lated area free of devices featuring an open pilot or flame such as boilers water heaters etc 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 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 The machine has hot surfaces which can cause burns Operate the unit in a safe environment and away from children e Do not allow the high pressure hose to come into contact with the muffler guard e Do not leave the machine running unattended e Learn how to stop the machine and release pressure quickly Be thoroughly familiar with the controls e Stay alert watch
7. er on from the spray nozzle completely Step 6 Slide the throttle control to the fast Step 7 Pull the starter handle If position Move the choke lever to the CHOKE the engine fails to start after 3 pulls position only if engine is cool After starting squeeze the trigger gun to release move the choke to RUN pressure and repeat step 7 USING THE ACCESSORIES Vario spray wand The Vario spray wand allows you to adjust the cleaning pressure To clean at maximum pres sure the Vario wand must be positioned to the high pressure setting To apply detergent the wand must be positioned to the low pressure setting For high pressure turn wand collar in the plus direction For low pressure turn wand collar in the minus direction WARNING TO AVOID SERIOUS INJURY NEVER POINT SPRAY NOZZLE AT YOURSELF OTHER PERSONS OR ANIMALS WORKING WITH DETERGENT Detergents can only be applied at low pressure Step 1 Install the Vario spray wand and set the Vario spray wand to the low pres sure setting by turning the wand collar The wand must be set in the low pressure position to apply detergents Step 2 Fill a container with Karcher detergent Place the filter end of detergent suction tube into the container For best results see Cleaning Tips on pages 8 amp 9 for specific information on how to clean di
8. fferent surfaces Always Use Karcher Detergents for Best Results Karcher biodegradable detergents are specially formulated to protect the environ ment and your pressure washer Special formula won t clog the suction tube filter and will protect the internal parts of the pressure washer for a longer life For Karcher Detergents check your retailer or call 1 800 537 4129 The following Karcher detergents are available e Vehicle Wash e Degreaser e All Purpose Cleaner e House Wash e Deck Wash Step 3 With the engine running pull trigger to operate 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 Caution Never use e Bleach Chlorine products and other corrosive chemicals e Liquids containing solvents 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 Remove Step 2 Step 3 Step 4 detergent suction tube Turn off the Turn off the water Press trigger to from container and insert engine source release water into one gallon of fresh pressure water Siphon water at low pressure for one minute Step 5 Disconnect Step 6 Disconnect the high pressure hose from the
9. inks 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 in low pressure position Not enough inlet water supply Turn spray wand tip 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 Discharge nozzle is obstructed Remove filter and rinse out in warm water Blow out or remove debris with a fine needle Calcified gun hose or spray wand Run distilled vinegar through detergent suction tube TROUBLE SHOOTING continued No detergent Garden hose connection leaks Spray wand leaks Pump is noisy Water leaks from pump up to 10 drops per minute is permissible Oil Drip Detergent suction tube not properly connected to the machine Check connection Detergent is too thick Dilute detergent for best results use Karcher detergent Filter on detergent suction ube is clogged Run warm water through filter to remove debris Damaged or clogged detergent suction tube Remove obstruction or replace detergent suction tube Spray wand is in high pres
10. o right When moving on to a 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 rotating nozzle spray wand on wood surface as it may cause damage House Siding with or without detergent Pre rinse cleaning surface with fresh water If using Karcher House Wash place deter gent suction tube directly into cleaning solution and apply to surface at low pres sure for best results limit your work area to sections of approximately 6 feet and always apply detergent from bottom to top Allow Karcher House 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 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 rotating nozzle spray wand on siding as it may cause damage Cement Patios Brick and Stone with or without detergent Pre rinse cleaning surface with fresh water If using Karcher All Purpose Cleaner place detergent suction tube directly into cleaning solution and apply to surface at low pres sure For best results limit your work area to smaller sections of approximately 25 square feet Allow Karcher All Purpose Cleaner to remain on
11. pplied or recommended by the manufacturer The use of other cleaning detergents may affect the operation of the machine and void the warranty ASSEMBLY INSTRUCTIONS No tools required i Step 1 Attach the handle to the frame of the pressure washer Align holes insert bolt add lock washer and tighten with knob Step 2 Check oil level Oil level should always be between the FULL and ADD marks on the dipstick Be sure the machine is level when checking the oil level Refer to the engine s operating manual for seasonal grades Step 3 Fill gas tank with unleaded gasoline Do not use leaded gasoline Important Do not run the engine with a high or low oil level as this can cause engine damage f you have further questions regarding the engine please refer to the engine s operating manual included with the unit You are now ready to operate your Karcher 4000 G Pressure Washer OPERATING INSTRUCTIONS Step 1 Connect the high pressure hose to Step 2 Insert the Vario spray wand the unit s high pressure outlet into the gun Push in and turn clock wise to lock spray wand in place Step 3 Connect Step 4 Connect Step 5 Trigger the gun to garden hose to unit s garden hose to the eliminate trapped air wait for a water inlet cold water source steady flow of water to emerge and turn wat
12. s area should be cleaned to test spray pattern and distance for maximum clean ing results e f painted surfaces are pealing or chipping use extreme caution as pressure washer may remove the loose paint from the surface OPTIONAL CLEANING ACCESSORIES Optional cleaning accessories are available to further enhance your cleaning capabilities See accessories order form for product descriptions and ordering instructions e Rotating Wash Brush e Wash Brush e House Washing Wand e Extension Wand e Rotating Spray Wand e Flexible Spray Wand e Underbody Spray Wand e Telescopic Spray Wand e Pipe Drain Cleaner e Floor Washing Tool e Sandblasting Attachment e Detergent Foamer Attachment e Water Pumping Kit e Water Suction Hose e Extension Hose 25 TROUBLE SHOOTING Symptom Engine will not start For additional engine problems refer to the engine owners manual Unit does not reach high pressure Output pressure varies high and low No gasoline Solution Fill gas tank Low oil level Add oil Choke is not in correct position Engine throttle is not in correct position Slide choke lever to CHOKE position Position the throttle to FAST Pressure built up in the high pressure washer Diameter of garden hose is too small Water supply is restricted Squeeze the trigger to release the pressure Replace with a 3 4 inch garden hose Check garden hose for k
13. sure position Discharge nozzle is obstructed Loose fitting Turn spray wand tip to low pressure position Blow out or remove debris with a fine needle Tighten fittings Missing worn rubber washer Spray wand not properly attached Insert new washer 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 Pump is sucking air Loose fittings Call Karcher customer service hotline and order repair kit part no 2 883 111 0 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 Check that all fittings are tight Thermal protection device has been activated Water seals are damaged or worn Oil seals are damaged or worn Thermal protection device will automatically reset Call service center Call service center If you encounter any additional difficulties not listed please call our service center for help Karcher Customer Support USA 1 800 537 4129
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