G 4000 OH - Pressure washer Kärcher - Free user manual and instructions

USER MANUAL G 4000 OH Kärcher

DANGER Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. WARNING Indicates a potentially hazardous situation which, if not avoided, could result in death or injury. CAUTION Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury or in property damage incidents. The owner and/or user must have an un- derstanding of the manufacturer’s operat- ing instructions and warnings before using this pressure washer. Warning information should be emphasized and understood. If the operator is not fl uent in English, the manufacturer’s instructions and warnings shall be read to and discussed with the op- erator in the operator’s native language by the purchaser/owner, making sure that the operator comprehends its contents. Owner and/or user must study and maintain for future reference the manufacturer’s instructions. Owner/User Responsibility Safety Alert Symbols G 4000 OH servo press Operating Pressure 4000 PSI Water Volume 3.6 GPM Engine Honda GX 390 Part No. 1.194-801.0 Serial No.English 3 1 Handle 2 Trigger gun 3 Trigger gun safety lock 4 High pressure hose 5 Gas tank 6 Spray wand 7 Dipstick 8 Water inlet with garden hose connector 9 High pressure outlet 10 Detergent suction tube with fi lter 11 Quick connect nozzles 12 Spark plug 13 Water inlet fi lter 14 Remote Pressure Control For engine details see engine manual. MODEL OVERVIEW

64 English ■ Read the operating instructions of the engine manufacturer before start-up and follow the safety instructions carefully. WARNING When using this product, basic precau- tions should always be followed, includ- ing the following: ■ Read all instructions before using product. ■ To reduce the risk of injury, close supervi- sion is necessary when a product is used near children. ■ Know how to stop the product and bleed pressures quickly. Be thoroughly familiar with the controls. ■ Stay alert – watch what you are doing. ■ Do not operate when fatigued or under the infl uence of alcohol or drugs. ■ Keep operating area clear of all persons. ■ Do not overreach or stand on unstable support. Keep good footing and balance at all times. ■ Wear safety goggles and ear protection. ■ Follow the maintenance instructions speci- fi ed in the manual. ■ To avoid risks, all repairs and replacement of spare parts should only be carried out by trained personnel. ■ When infl ating tires, set your air compres- sor’s max setting to 25 psi to avoid over infl ation. ■ Tire pressure should not exceed max. 25 psi. WARNING Risk of Injection or Injury – Do Not Direct Discharge Stream At Persons. ■ High pressure jets can be dangerous if misused. The jet must not be directed at persons, animals, electrical devices, or the unit itself. DANGER Do not spray electrical connections, elec- trical outlets or fi xtures. WARNING Risk Of Explosion –Do not spray fl am- mable liquids. Operate only where open fl ame or torch is permitted. ■ Do not use acids, solvents, or any alka- line or fl ammable material in this product. These products can cause physical inju- ries to the operator and irreversible dam- age to the machine. WARNING Gun Kicks Back – Hold with both hands. ■ The Trigger Gun Safety Lock prevents the trigger from accidentally being engaged. This safety feature must be engaged when replacing nozzles or not in use. WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Operation of this equipment may create sparks that can start fi res around dry vegetation. A spark arrestor may be required. Operator should contact local fi re agencies for laws or regulations. CAUTION Risk of Asphyxiation – Use this product only in a well ventilated area. ■ Operate and fuel machine in a well ven- tilated area, free of devices featuring an open pilot or fl ame such as boilers, water heaters, etc. CAUTION Risk of Fire – Do not add fuel when the product is operating or still hot. CAUTION Risk of fi re - Do not put container with fl am- mables products into the nozzle holder. ■ Do not operate if fuel has been spilled. Instead, move machine to different loca- tion and avoid creating sparks. ■ This machine has hot surfaces which can cause burns. Operate in a safe environ- ment and away from children. ■ Do not touch hot surfaces or allow acces- sories to contact hot surfaces. IMPORTANT SAFETY INSTRUCTIONSEnglish 5 Unloader Valve DO NOT ADJUST. The Unloader Valve con- trols water fl ow through the pump and is preset at the factory. Further adjustments may cause damage to the pump and void the warranty. CAUTION When connecting to water supply mains, local regulations of your municipal water company must be observed. In some areas connecting directly to public drink- ing water supply may require a backfl ow prevention device. This is to ensure that there is no feedback of chemicals into the water supply. Use a water fi lter to avoid potential damage from dirt in the water supply. ■ Garden hose must be at least 5/8 inch diameter. ■ Flow rate of water supply must not fall below 4.0 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 temperature must not exceed 122°F/50°C. ■ Never use the pressure washer to draw in water contaminated with solvents, e.g. paint thinners, gasoline, oil, etc. ■ Always prevent debris from being drawn into the unit by using a clean water source. Use additional water fi lter. ■ Do not operate pressure washer without the water turned on. Hardware (included) Description Purpose Illustration Qty

5/16" X 1 3/4 Bolt Joint Assembly 2

5/16" X 2" Bolt Hose Holder Assembly 1

Hose Holder Hose Holder Assembly

High Pressure Hose Spray Gun Assembly 1 ASSEMBLY INSTRUCTIONS WATER SUPPLY (Cold Water Only)

IMPORTANT SAFETY INSTRUCTIONS

■ Do not leave machine running unattended. ■ Avoid tipping machine on its side. SAVE THESE INSTRUCTIONS6 English STEP 2: Place the quick connect nozzles in the nozzle holder. Description Purpose Illustration Qty

Spray Gun Spray Gun Assembly 1

Quick Connect Nozzle Kit Nozzles Kit Assembly

Nut Hose Holder Assembly 1

Washer Hose Holder Assembly 1 Hardware (included) Assembling STEP 1: Attach the handle to the frame of the pressure washer. Align holes, insert bolts, and tighten with knobs. STEP 3: Mount the hose holder to the handle and tighten with nut and washer. STEP 4: Attach the wand to the spray gun. Push the wand into the trigger gun and then thread the connection.English 7 STEP 4: Adjust working pressure and water vol- ume by turning the Remote Pressure Control either direction. Always return the control to the high- est setting before shutting the pressure washer off. STEP 5: Check oil level. Oil level should always be between the "FULL" and "ADD" or "MAX" and "MIN" marks on the dipstick as shown in the picture below. Be sure the machine is level when check- ing the oil level. (Refer to the engines operating manual for seasonal grades). We recommend that the oil be changed after the fi rst 5 hours of use, then once every 50 hours. STEP 6: Fill gas tank with unleaded gasoline. Do not use leaded gasoline. Do not add oil to the gasoline. STEP 7: Connect the high pressure hose to the high pressure outlet on the pump. FULL / MAX ADD / MIN OPERATING INSTRUCTIONS STEP 1: Pull the spring-loaded collar of the wand back to insert your choice of quick connect nozzle. Release the collar and push the nozzle until the collar clicks. CAUTION High pressure in nozzle area. Risk of injury caused by improperly locked nozzle. ■ Make sure you hear a "click" when insert- ing the nozzle tip in to the wand. ■ Pull the nozzle to make sure it is seated properly before operating your unit. STEP 2: Attach the high pressure hose to the trig- ger gun. STEP 3: Lock the safety lock.8 English STEP 8: Connect garden hose to unit`s water inlet. STEP 9: Connect garden hose to the cold water source and turn water completely on. Do not use hot water. STEP 10: Unlock the trigger gun safety lock. Trigger the gun to eliminate trapped air, wait for a steady fl ow of water to emerge from the spray nozzle. OPERATING INSTRUCTIONS

USING THE ACCESSORIES

CAUTION High pressure in nozzle area. Risk of injury caused by improperly locked nozzle. ■ Make sure you hear the "click" when in- serting the nozzle tip into the quick con- nection. ■ Pull the nozzle to make sure it is seated properly before operating your unit. (See OPERATING INSTRUCTIONS: Step 1) WARNING To avoid serious injury never point spray nozzle at yourself, other persons or ani- mals. The color-coded quick connect nozzles pro- vide a wide array of spray widths from 0° to 65° and are easily accessible when placed in the convenient nozzle holder. 0° spray angle = Red nozzle For particularly stubborn accumulation of grime. Not recommended for soft materials like sidings, decks, painted surfaces, cars. 25° spray angle = Green nozzle For dirt accumulation over a large surface. 15° spray angle = Yellow nozzle For dirt accumulation over a surface. 65° spray angle = Black nozzle For operating with detergents or cleaning with low pressure. 40° spray angle = White nozzle For moderate dirt accumulation over a large surface. Quick connect nozzles STEP 11: Open fuel valve. Pull the choke rod to the ON position (on a warm engine, leave the choke rod in the OFF position). STEP 12: Move the engine stop switch to the ON position. STEP 13: Pull the starter handle. If the engine fails to start after 3 pulls, squeeze the trigger gun to release pressure, and repeat step. After the engine warms up enough to run smoothly move choke rod to OFF position. For engine details see engine manual.English 9 Detergents can only be applied with the black detergent nozzle. STEP 1: Install the black detergent nozzle for de- tergent application at low pressure. STEP 2: Set remote pressure control knob to the high fl ow position "+" STEP 3: Fill a container with Kärcher detergent. Place the fi lter end of detergent suction tube into the container. STEP 1: Move the engine stop switch to the OFF position. STEP 2: Release trigger and engage safety lock. For engine details see engine manual. Detergents TAKING A BREAK ...fi ve minutes or more

WORKING WITH DETERGENTS

CAUTION This unit has been designed for use with cleaning detergents recommended by the manufacturer. The use of other cleaning detergent may af- fect the operation of the machine and void the warranty. Always Use Kärcher Detergent for Best Results Kärcher biodegradable detergents are spe- cially formulated to protect the environment and your pressure washer. The special for- mula won`t clog the suction tube fi lter and will protect the internal parts of the pressure washer for a longer life. For Kärcher Deter- gents, check your retailer or visit our website: www.karcherresidential.com CAUTION Never use: – Bleach, chlorine products or other cor- rosive chemicals – Liquids containing solvents (i.e., paint thinners, gasoline, oils.) – Tri-sodium phosphate products – Ammonia products – Acid-based products These chemicals will harm the unit and will damage the surface being cleaned. Use of these items will void the warranty. STEP 4: Fill a container with Kärcher detergent. Place the fi lter end of detergent suction tube into the container. STEP 5: 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 de- tergent to dry on surface. STEP 6: Always draw fresh water through the detergent suction tube when the cleaning job is done, to rinse/fl ush any remaining detergents from the injection system. For best results see Cleaning Tips for specifi c information on how to clean dif- ferent surfaces.10 English STEP 6: Disconnect the garden hose from the water inlet on the unit. STEP 7: Disconnect the high pressure hose from the high pressure outlet. Store the high pressure hose in the hose holder assem- bly. STEP 1: If detergents have been used, remove detergent suction tube from container and insert into 1 gallon of fresh water. Siphon water at low pressure for one minute to clear the line of residual deter- gent. STEP 2: Move the engine stop switch to the OFF position. Close the fuel valve. STEP 3: Turn off the water source. STEP 4: Press trigger to release water pressure. STEP 5: Release trigger and engage gun safety lock.

SHUTTING DOWN & CLEAN-UP

Initial Use All Kärcher pumps ship with oil already inside direct from the factory. There is no need to add oil. Pump Inspection You should routinely make a visual inspec- tion of the pressure washer’s pump. If you notice oil leaking around the pump seals, you should take the pressure washer to a Kärcher- Authorized Service Center for repair. (You can locate a service center in your area online at: www.karcher-service.com). Pump Maintenance The pump on your Kärcher pressure washer does not require maintenance. Any attempts to service or alter the pump may damage your pressure washer and void your product warranty. Carry out maintenance tasks for the engine according to the specifi cations provided in the operating instructions provided by engine manufacturer. Kärcher pump Engine MAINTENANCE INSTRUCTIONS 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 off immediately. 3: Do not allow high pressure hose to become kinked. 4: Store the machine and accessories in a room which does not reach freezing temperatures. DO NOT store near furnace or other sources of heat as it may dry the pump seals. CAUTION Failure to follow the above directions will result in damage to the pump assembly and accessories and will void the warranty. It is highly recommended to use Kärcher's Pump Guard (part number 9.558-998.0) before winter storage and during the cleaning season to protect the pump from freezing and premature wear. WINTERIZING AND LONG-TERM STORAGEEnglish 11 CLEANING TIPS (with or without detergent). Pre-rinse deck and surrounding area with fresh water. If us- ing Kärcher Deck 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 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. Deck Cleaning Barbecue Grills, Outdoor Power Equip- ment & Gardening Tools (with or without detergent). Pre-rinse cleaning surface with fresh water. If us- ing Kärcher Pressure Wash or Degreaser, apply to surface at low pressure. For best results, limit your work area to smaller sec- tions of approximately 25 square feet. Allow Pressure Wash or Degreaser to remain on surface 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 a DirtBlaster® Spray Nozzle (sold separately). (with or without detergent). Pre-rinse ve- hicle with fresh water. If using Kärcher Touch- less 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 rins- ing 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. (with or without detergent). Pre-rinse cleaning surface with fresh water. If using Kärcher Pressure Wash or Degreaser, apply detergent at low pressure. Allow Pressure Wash 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. Cement Patios, Brick and Stone Cars, Boats & Motorcycles ■ Before cleaning any surface an incon- spicuous area should be cleaned to test spray pattern and distance for maximum cleaning results. ■ If painted surfaces are peeling or chipping,use extreme caution as pres- sure washer may remove the loose paint from the surface. ■ When using on surfaces which might come in contact with food, fl ush surfaces with plenty of drinking water. ■ For additional cleaning tips, visit our website at: www.karcherresidential.com Recommendations (with or without detergent). Pre-rinse furni- ture and surrounding area with fresh water. If using Pressure Wash, apply to surface at low pressure. Allow Pressure Wash to remain on surface 1-3 minutes. 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 3-6 inches from the cleaning surface. For best results, clean from top to bottom and from left to right. Patio & Lawn Furniture12 English ■ Before cleaning any surface an incon- spicuous area should be cleaned to test spray pattern and distance for maximum cleaning results. ■ If painted surfaces are peeling or chipping,use extreme caution as pres- sure washer may remove the loose paint from the surface. ■ When using on surfaces which might come in contact with food, fl ush surfaces with plenty of drinking water. ■ For additional cleaning tips, visit our website at: www.karcherresidential.com Recommendations CLEANING TIPS Optional accessories are available to further enhance your cleaning capabilities. These ac- cessories are accurate as of the printing date of this manual. Please check our website: www.karcherresidential.com, For up-to date information. – Extension Hose – DirtBlaster® Spray – Universal Wash Brush Kit Optional Accessories CAUTION Remove the spark plug cable to prevent accidental ignition of the engine before making any repair. TROUBLESHOOTING Symptom Cause Solution ENGINE WILL NOT START No gasoline Fill gas tank Choke is not in the correct position Slide choke lever out to closed position Water pressure built up in the machine Squeeze the trigger to release the pressure For additional engine problems refer to the engine manual. UNIT DOES NOT REACH HIGH PRES- SURE Diameter of garden hose is too small Replace with a 16 mm or larger garden hose Water supply is restricted Check garden hose for kinks, leaks and blockage Not enough inlet water sup- ply Turn water on full force. Check garden hose for kinks, leaks or blockage. Water inlet fi lter is clogged Remove fi lter and rinse out in warm water Black detergent nozzle is attached Remove black detergent nozzle and attach high pressure nozzle OUTPUT PRESSURE VARIES HIGH AND LOW Not enough inlet water sup- ply. Turn water on full force. Check garden hose for kinks, leaks or blockage Pump is sucking air Check that hoses and fi ttings are air tight. Turn off machine and purge pump by squeezing trigger gun until a steady fl ow of water emerges through the nozzle Water inlet fi lter is clogged Remove fi lter and rinse out in warm waterEnglish 13 Symptom Cause Solution OUTPUT PRES- SURE VARIES HIGH AND LOW Spray nozzle is obstructed Blow out or remove debris with a fi ne needle Calcifi ed gun, hose or spray wand Run distilled vinegar through detergent suction tube. NO DETER- GENT Detergent suction tube not properly connected to the machine Check connection Detergent is too thick Dilute detergent, for best results use Kärcher detergent Filter on detergent suction tube is clogged Run warm water through fi lter to remove debris Damaged or clogged deter- gent suction tube Remove obstruction or replace deter- gent suction tube A high pressure nozzle is attached Replace with black detergent nozzle Spray nozzle is obstructed Blow out or remove debris with fi ne needle GARDEN HOSE CONNECTION LEAKS Loose fi ttings Tighten fi ttings Missing/worn rubber washer Insert new washer SPRAY WAND LEAKS Spray wand not properly attached Turn the swivel nut of the gun clockwise until connection is tight Broken o-ring or plastic insert Visit www.karcher-help.com or locate a service center at : www.karcher-service.com

Not enough gas or engine oil Check that hoses and fi ttings are air tight. Turn off machine and purge pump by squeezing trigger gun until a steady fl ow of water emerges through the nozzle WATER LEAKS FROM PUMP (UP TO 10 DROPS PER

MISSIBLE) Loose fi ttings Check fi ttings Water seals are damaged or worn. Visit www.karcher-help.com or locate a service center at : www.karcher-service.com Thermal protection device is activated. Thermal protection device will auto reset. Do not run pump for more than 5 minutes without spraying. OIL DRIP Oil seals are damaged or worn Visit www.karcher-help.com or locate a service center at : www.karcher-service.com TROUBLESHOOTING If the symptom you are experiencing is not listed above, or if the provided solutions do not solve your issue, please visit our extensive online troubleshooting database at: www.karcher-help.com14 English High Pressure Washers Limited warranty Cold water gasoline pressure washers This Kärcher product is warranted by Kärcher to be free of defects in workmanship and materials under normal use. Specifi c warranty applies to:

• Kärcher KPS and KXS series engines are warranted for three (3) years on parts and labor.

• Honda GC series engines are warranted for two (2) years on parts and labor.

• Honda GX series engines are warranted for three (3) years on parts and labor.

• Please reference the Honda Engine Manual for specifi c warranty instructions.

• Pumps are warranted for two (2) years on parts and labor.

• Frames, handles and detergent tanks, as well as other structural components, carry a one (1) year parts and labor warranty.

• Standard accessories and attachments are warranted for a ninety (90) day period.

• Any commercial, industrial or rental use of this equipment will reduce the warranty to ninety (90) days. The warranty period is calculated from the date of purchase by the end user and covers cost for replacement parts / equipment and warranty labor performed. In order to verify a warranty situation, the machine must be evaluated by an Authorized Kärcher Service Cen- ter. A copy of the original purchase receipt or gift receipt from the original retailer must also accompany the warranty claim. To locate the nearest authorized Kärcher service center, please visit our website at www.karcher-service.com. Kärcher's obligation under this warranty shall strictly be limited, at Kärcher's option, either to replace or repair, through Kärcher direct or through an Authorized Kärcher Service Dealer without charge during the warranty period any part, which in the opinion of the manufacturer, shows defect in workmanship or material. Service will be scheduled according to the normal work fl ow and business hours at the service center, and availability of replacement parts. All decisions of Kärcher with regard to this limited warranty shall be fi nal. This warranty does not cover:

• Merchandise sold as reconditioned, used, demonstration or fl oor models.

• Merchandise purchased on eBay and other online auction web sites.

• Damage caused by misuse, neglect, accident, abuse, improper handling,freezing, normal wear and tear or non-compliance with operator's manual.

• Damage caused by water sediment, contaminated water supply or use of chemicals and detergents not approved by or recommended by Kärcher.

• Damage caused by acts of nature such as fl oods, fi res, earthquakes, lightning strikes, etc.

• Devices or accessories not distributed or approved by Kärcher. Any use of such said devices or accessories will void implied warranty.

• Repairs made by the end user or any service center not authorized by

• Kärcher. Any such tampering with Kärcher equipment or accessories will void the implied warranty. WARRANTY INFORMATIONEnglish 15