If you have questions or comments, contact us. 1-800-4-DEWALT • www.dewalt.com INSTRUCTION MANUAL DPD3100 Pressure Washer FIG. 1 English DPD3100 Pressure Washer A.Panel assembly B.Nozzle holder C.Professional Spray gun D.Side Handle E.Quick-connect spray wand F.Frame G.Engine dipstick/oil plug H.Engine switch P I.Starter grip J.Engine K.Choke control L. Throttle control lever M.Fuel valve lever N.Gas cap O.Handle assembly P.High-pressure hose Q.High-pressure pump L k B a C O N m q D j Engine E I F Refer to the engine instruction manual for location and operation of other engine controls. G Pump Specifications H DeWALT MAINTENANCE FREE desiGN The high pressure pump is maintenance free and requires no oil. If there is a problem with the pump contact a DeWALT factory service center, a DeWALT authorized service center or other qualified service personnel. 2 Specifications MODEL WEIGHT HEIGHT WIDTH Length PSI Max* AVERAGE Operating GPM 2.7 (10.3 L/min) Engine DeWALT 196 cc OHV, 5.5 Net HP, 6.5 Gross HP ** * Maximum PSI and GPM ratings determined in accordance with the Pressure Washers Manufacturers Association (PWMA) standard PW101 ** Horsepower rating (shown as maximum output @ 3600 rpm) is in accordance with SAE J1349 for Net HP and SAE J1995 for Gross HP. Actual engine power will be lower. Engine power depends on the application, operating speed, operating conditions and other variables. DPD3100 83.6 lbs 26.5" 23" 40" 3100 (21373 kPa) IF YOU HAVE ANY QUESTIONS OR COMMENTS ABOUT THIS OR ANY DeWALT TOOL, CALL US TOLL FREE AT: 1-800-4-DeWALT (1-800-433-9258) Definitions: Safety Guidelines The definitions below describe the level of severity for each signal word. Please read the manual and pay attention to these symbols. 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 serious injury. CAUTION: Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. CAUTION: Used without the safety alert symbol indicates a potentially hazardous situation which, if not avoided, may result in property damage. Important Safety Instructions WARNING: Do not operate this unit until you read and understand this instruction manual and the engine instruction manual for safety, operation and maintenance instructions. Warning: When using this product basic precautions should always be followed, including the following: 1. Read all instructions before using the product. 2. To reduce the risk of injury, close supervision is necessary when a product is used near children. 3. Know how to stop the product and bleed pressures quickly. Be thoroughly familiar with the controls. 4. Stay alert–watch what you are doing. 5. Do not operate the product when fatigued or under the influence of alcohol or drugs. 6. Keep operating area clear of all persons. 3 English AVERAGE GPM Max* Operating PSI 2780 2.8 (19167 kPa) (10.6 L/min) English 7. Do not overreach or stand on unstable support. Keep good footing and balance at all times. 8. Follow the maintenance instructions speciﬁed in the manual. Danger: Risk of Injection or Severe Injury. Keep Clear of Nozzle. Do Not Direct Discharge Stream at Persons. This Product Is To Be Used Only By Trained Operators. WARNING: This product may not be equipped with a sparkarresting muffler. If the product is not equipped and will be used around flammable materials or on land covered with materials such as agricultural crops, forest, brush, grass or other similar items, then an approved spark arrester must be installed and is legally required in the state of California. It is a violation of California statutes section 130050 and/or sections 4442 and 4443 of the California Public Resources Code, unless the engine is equipped with a spark arrester, as defined in section 4442, and maintained in effective working order. Spark arresters are also required on some U.S. Forest Service land and may also be legally required under other statutes and ordinances. WARNING: This product contains chemicals, known to the State of California to cause cancer, and birth defects or other reproductive harm. Wash hands after handling. DANGER: Risk of explosion or fire What can happen How to prevent it • Shut off engine and allow • Spilled gasoline and it’s it to cool before adding fuel vapors can become ignited to the tank. from cigarette sparks, electrical arcing, exhaust • Use care in filling tank to gases and hot engine avoid spilling fuel. Move prescomponents such as sure washer away the muffler. from fueling area before starting engine. • Heat will expand fuel in the • Keep maximum fuel level tank which could result in 1/2" (12.7 mm) below spillage and possible fire bottom of filler neck explosion. to allow for expansion. • Operating the pressure washer in an explosive environment could result in a fire. Save these instructions • Operate and fuel equipment in well-ventilated areas free from obstructions. Equip areas with fire extinguisher suitable for gasoline fires. • Materials placed against or • Never operate pressure washer in an area containing near the pressure washer dry brush or weeds. can interfere with its proper ventilation features causing overheating and possible ignition of the materials. 4 • Always keep pressure washer a minimum of 4' (1.2 m) away from surfaces (such as houses, automobiles or live plants) that could be damaged from muffler exhaust heat. DANGER: RISK TO BREATHING (Asphyxiation) continued • Some cleaning fluids contain substances which could cause injury to skin, eyes or lungs. • Improperly stored fuel could • Store fuel in an OSHA lead to accidental ignition. approved container, in a Fuel improperly secured secure location away from could get into the hands of work area. children or other unqualified persons. • Do not spray flammable • Use of acids, toxic or liquids. corrosive chemicals, poisons, insecticides, or any kind of flammable solvent with this product could result in serious injury or death. • Use only cleaning fluids specific ally recommended for high-pressure washers. Follow manufacturers recommendations. Do not use chlorine bleach or any other corrosive compound. DANGER: RISK of FLUID INJECTION and Laceration What can happen How to prevent it • Your pressure washer • Inspect the high-pressure operates at fluid pressures hose regularly. Replace and velocities high enough to the hose immediately if it is penetrate human and damaged, worn, has melted animal flesh, which could from contacting the engine, result in amputation or or shows any signs of cracks, other serious injury. Leaks bubbles, pinholes, or other caused by loose fittings or leakage. Never grasp a worn or damaged hoses can high-pressure hose that result in injection injuries. is leaking or damaged. DO NOT TREAT FLUID • Never touch, grasp or attempt INJECTION AS to cover a pinhole or similar A SIMPLE CUT! See a water leak on the highphysician immediately! pressure hose. The stream of water IS under high pressure and WILL penetrate skin. • Never place hands in front of nozzle. DANGER: RISK TO BREATHING (Asphyxiation) What can happen How to prevent it • Breathing exhaust fumes • Operate pressure washer in will cause serious injury a well-ventilated area. Avoid or death! Engine exhaust enclosed areas such as garag contains carbon monoxide, es, basements, etc. an odorless and deadly gas. • Never operate unit in a location occupied by humans or animals. 5 English • Muffler exhaust heat can damage painted surfaces, melt any material sensitive to heat (such as siding, plastic, rubber, vinyl or the pressure hose, itself), and damage live plants. English DANGER: RISK of FLUID INJECTION and Laceration continued • Your pressure washer operates at fluid pressures and velocities high enough to penetrate human and animal flesh, which could result in amputation or other serious injury. Leaks caused by loose fittings or worn or damaged hoses can result in injection injuries. DO NOT TREAT FLUID INJECTION AS A SIMPLE CUT! See a physician immediately! • Direct spray away from self and others. • Make sure hose and fittings are tightened and in good condition. Never hold onto the hose or fittings during operation. • Do not allow hose to contact muffler. • Never attach or remove wand or hose fittings while system is pressurized. • When using replacement lances or guns with this pressure washer, do not use a lance and/or lance/gun combination that is shorter in length than what was provided with this pressure washer as measured from the nozzle end of the lance to the gun trigger. DANGER: RISK OF INJURY FROM SPRAY What can happen How to prevent it • High-velocity fluid spray • Always wear ANSI-approved can cause objects to break, Z87.1 safety glasses. Wear propelling particles at high protective clothing to protect speed. against accidental spraying. • Never point wand at or spray people or animals. • Light or unsecured objects can become hazardous projectiles. • Injuries can result if system • To relieve system pressure, pressure is not reduced shut off engine, turn off water before attempting maintesupply and pull gun trigger nance or disassembly. until water stops flowing. • Use only accessories rated equal to or higher than the rating of the pressure washer. 6 • Always secure trigger lock when wand is not in service to prevent accidental operation. • Never permanently secure trigger in pull-back (open) position. Danger: RISK of unsafe operation What can happen How to prevent it • Unsafe operation of your • Do not use chlorine pressure washer could lead bleach or any other to serious injury or death to corrosive compound. you or others. • Become familiar with the oper ation and controls of the pressure washer. • Keep operating area clear of all persons, pets and obstacles. • Do not operate the product when fatigued or under the influence of alcohol or drugs. Stay alert at all times. • Never defeat the safety features of this product. • Do not operate machine with missing, broken or unauthorized parts. • Never leave wand unattended while unit is running. 7 • The spray gun/wand is a powerful cleaning tool that could look like a toy to a child. • Keep children away from the pressure washer at all times. • Reactive force of spray will cause gun/wand to kickback, and could cause the operator to slip or fall or misdirect the spray. Improper control of gun/ wand can result in injuries to self and others. • Do not overreach or stand on an unstable support. • Do not use pressure washer while standing on a ladder. • Grip gun/wand firmly with both hands. Expect the gun to kickback when triggered. English • If proper starting procedure • If engine does not start after is not followed, engine can two pulls, squeeze trigger kickback causing serious of gun to relieve pump hand and arm injury. pressure. Pull starter cord slowly until resistance is felt. Then pull cord rapidly to avoid kickback and prevent hand or arm injury. English DANGER: Risk of Injury or Property Damage When Transporting or storing What can happen WARNING: RISK of Bursting What can happen How to prevent it • Over inflation of tires could result in serious injury and property damage. • If pressure washer is equipped • Fuel or oil can leak or spill with a fuel shut-off valve, turn and could result in fire or the valve to the off position breathing hazard. Serious before transporting to avoid injury or death can result. fuel leaks. If pressure washer Fuel or oil leaks will damage is not equipped with a fuel carpet, paint or other shut-off valve, drain the fuel surfaces in vehicles from tank before transport or trailers. ing. Only transport fuel in an OSHA-approved container. Always place pressure washer on a protective mat when transporting to protect against damage to vehicle from leaks. Remove pressure washer from vehicle immediately upon arrival at your destination. How to prevent it • Use a tire pressure gauge to check the tires pressure before each use and while inflating tires; see the tire sidewall for the correct tire pressure. NOTE: Air tanks, compressors and similar equipment used to inflate tires can fill small tires similar to these very rapidly. Adjust pressure regulator on air supply to no more than the rating of the tire pressure. Add air in small increments and frequently use the tire gauge to prevent over inflation. • High-velocity fluid spray • On pressure washers rated directed at pneumatic tire above 1600 PSI (11032 kPa) sidewalls (such as found use the widest fan spray on automobiles, trailers and (40º nozzle) and keep the the like) could damage the spray a minimum of 8" sidewall resulting in serious (20 cm) from the pneumatic injury. tire sidewall. Do not aim spray directly at the joint between the tire and rim. 8 WARNING: RISK OF INJURY FROM LIFTING What can happen How to prevent it • Serious injury can result • The pressure washer is too from attempting to lift too heavy to be lifted by one heavy an object. person. Obtain assistance from others before lifting. WARNING: RISK of chemical burn What can happen How to prevent it • Use of acids, toxic or • Do not spray acids, gasoline, corrosive chemicals, poisons, kerosene, or any other insecticides, or any kind of flammable materials with this flammable solvent with this product. Use only household product could result in seri detergents, cleaners and ous injury or death. degreasers recommended for use with pressure washers. • Wear protective clothing to protect eyes and skin from contact with sprayed materials. SAVE THESE INSTRUCTIONS FOR FUTURE USE 9 English WARNING: RISK OF electrical Shock What can happen How to prevent it • Spray directed at electrical • Unplug any electrically outlets or switches, or objects operated product before connected to an electrical attempting to clean it. Direct circuit, could result in a spray away from electric fatal electrical shock. outlets and switches. WARNING: RISK OF Hot surfaces What can happen How to prevent it • Contact with hot surfaces, • During operation, touch such as engines exhaust only the control surfaces components, could result in of the pressure washer. serious burn. Keep children away from the pressure washer at all times. They may not be able to recognize the hazards of this product. English INSTALLATION Pressure Washer Assembly (Fig. 1) NOTE: The high pressure pump is maintenance free and requires no oil, if there is a problem with the pump contact a DeWALT factory service center, a DeWALT authorized service center or other qualified service personnel. Warning: Risk of bursting. Use a tire pressure gauge to check the tires pressure before each use and while inflating tires; see the tire sidewall for the correct tire pressure. NOTE: Air tanks, compressors and similar equipment used to inflate tires can fill small tires similar to these very rapidly. Adjust pressure regulator on air supply to no more than the rating of the tire pressure. Add air in small increments and frequently use the tire gauge to prevent over inflation. 1.Place handle assembly (O) onto frame, depress the snap buttons, and slide the handle assembly onto the frame (F) until snap buttons are secured O in place. Caution: Risk of personal injury. Avoid placing F hands between handle and frame when assembling to prevent pinching. 2.Attach high-pressure hose (P) to spray gun. Make sure it is secure. p 3.Connect wand (E) to spray gun. Make sure e connection is secure. 4.Thread the side handle (D) into spray gun extension and tighten to desired position. 5.Place the nozzle holder (B) onto the panel assembly (A) and push each D nozzle holder into place. 6.Remove the five colored quick-connect nozzles from the plastic bag and insert them into correct grommet on B the nozzle holder. Nozzles are color coded to match A colored nozzles on panel assembly. OPERATION Pressure Adjustments The pressure setting is preset at the factory to achieve optimum pres sure and cleaning. To lower the pressure, follow these instructions. 1.Back away from the surface to be cleaned. The further away you are, the less the pressure will be on the surface to be cleaned. 2.Change to the 40˚ nozzle (white). This nozzle delivers a less powerful stream of water and a wider spray pattern. Refer to Spray Wand Nozzles. Caution: DO NOT attempt to increase pump pressure. A higher pressure setting than the factory set pressure may damage pump. 3.Reduce the speed of the gasoline engine (RPM). Slow the engine down and the water pressure will go down with it. Spray Wand Nozzles (Fig. 1) The nozzles for the spray wand are stored in the nozzle holder (B) on the panel assembly (A). Colors on the panel identify nozzle location and spray pattern. Refer to the following chart to choose the correct nozzle for the job to be performed. 10 Nozzle Color Spray Pattern Uses powerful pinpoint for very intense cleaning metal or concrete; DO NOT use on wood 15˚ intense cleaning of small areas metal, concrete or wood 25˚ intense cleaning of larger areas metal, concrete or wood 40˚ covers wide areas of cleaning metal, concrete, wood or vinyl Yellow Green White low pressure Chemicals and Cleaning Solvents Applying chemicals or cleaning solvents is a low-pressure operation. NOTE: Use only soaps and chemicals designed for pressure washer use. Do not use bleach. applies cleaning metal, concrete, solutions wood or vinyl Black To apply chemicals and solvents 1. Press chemical hose (S) onto barbed fitting located near high pressure hose connection of pump as shown. 2. Place the other end of chemical hose with filter on it into the container holding chemical/cleaning solution. NOTE: For every 7 gallons (26.5 liters) of water pumped 1 gallon (3.8 liters) of chemical/cleaning solution will be used. * Caution: The high-pressure spray from your pressure washer is capable of causing damage to surfaces such as wood, glass, automobile paint, auto striping and trim, delicate objects such as flowers and shrubs. Before spraying, check the item to be cleaned to assure yourself that it is strong enough to resist damage from the force of spray. 11 S English 0˚ Red Changing Nozzles on Spray Wand Danger: Risk of fluid injection. Do not direct discharge stream toward persons, unprotected skin, eyes or any pets or animals. Serious injury will occur. warning: Flying objects could cause risk of serious injury. Do Not attempt to change nozzles while pressure washer is running. Turn engine off before changing nozzles. 1.Pull quick-connect coupler back and insert nozzle. 2.Release quick-connect coupler and twist nozzle to make sure it is secure in coupler. Warning: Flying object could cause risk of serious injury. Ensure nozzle is completely inserted in quick-connect socket and quickconnect snap ring is fully engaged (forward) before squeezing gun trigger. Surfaces* English • DO NOT let hoses come in contact with very hot engine muffler during or immediately after use of your pressure washer. Damage to hoses from contact with hot engine surfaces will NOT be covered by warranty. CAUTION: Never pull water supply hose to move pressure washer. This could damage hose and/or pump inlet. • DO NOT use hot water, use cold water only. • Never turn water supply off while pressure washer engine is running or damage to pump will result. • DO NOT stop spraying water for more than T two minutes at a time. Pump operates in bypass mode when spray gun trigger is not pressed. When the temperature inside the pump rises too high the thermal relief valve (T) will open and release a gush of water in an effort to lower the temperature inside the pump. The thermal relief valve will then close. If pump is left in bypass mode for more than two minutes internal components of the pump can be damaged. 3. Install low-pressure (black) nozzle into quick connect fitting of spray wand, refer to Spray Wand Nozzles. NOTE: Chemicals and soaps will not siphon if the black soap nozzle is not installed on the spray wand. 4. After use of chemicals, place chemical hose into container of clean water and draw clean water through chemical injection system to rinse system thoroughly. If chemicals remain in the pump it could be damaged. Pumps damaged due to chemicals will not be covered under warranty. Starting Warning: To reduce the risk of injury, read the pressure washer instruction manual and the engine instruction manual before starting pressure washer. DANGER: Risk of fluid injection and laceration. When using the high-pressure setting, DO NOT allow the high-pressure spray to come in contact with unprotected skin, eyes, or with any pets or animals. Serious injury will occur. • Your washer operates at fluid pressures and velocities high enough to penetrate human and animal flesh, which could result in amputation or other serious injury. Leaks caused by loose fittings or worn or damaged hoses can result in injection injuries. DO NOT TREAT FLUID INJECTION AS A SIMPLE CUT! See a physician immediately! WARNING: Risk of fire, asphyxiation and burning. Never fill fuel tank when engine is running or hot. Do not smoke when filling fuel tank. • Never fill fuel tank completely. Fill tank to 1/2" (12.7 mm) below bottom of filler neck to provide space for fuel expansion. Wipe any fuel spillage from engine and equipment before starting engine. • Never run engine indoors or in enclosed, poorly ventilated areas. Engine exhaust contains carbon monoxide, an odorless and deadly gas. Start-up Procedure 1. In a well-ventilated outdoor area, add fresh, high-quality, unleaded gasoline with a pump octane rating of 86 or higher. Do not overfill. Wipe up spilled fuel before starting the engine. Refer to engine instruction manual for correct procedure. 2. Check engine oil level. Refer to the engine instruction manual for correct procedure. 3. Connect the water hose to the water source. Turn the water source on to remove all air from the hose. When a steady stream of water is present, turn the water source off. 12 4. Verify the filter screen (U) is in water inlet of pump. The cone side faces out. 5. Connect the cold water source (V) to pump inlet. NOTE: Water source must provide a minimum of 5 gallons per minute at 20 pSI (138 kPa). Warning: To reduce the possibility of contamiU nation always protect against backflow when connected to a potable water system. 6. Connect high-pressure hose (P) to pump outlet. 7.If applying a chemical or cleaning solution, refer to Chemicals and Cleaning P Solvents. 8. Turn the water source on. V Caution: Risk of property damage. Failure to do so could cause damage to the pump. 9. Remove all air from the pump and high pressure hose by depressing trigger until a steady stream of water is present. 10. Turn the engine ON/OFF switch (H) to the ON position. 11.Place the fuel valve lever (M) in the ON postion. 12.If the engine is cold, move the choke (K) to the CLOSED position as shown. Warning: Risk of unsafe operation. Pull starter grip slowly until resistance is felt. Then pull starter grip (I) rapidly to avoid kickback and prevent hand or arm injury. Note: Do not allow the starter grip to snap back. Return it gently by hand. Warning: Risk of unsafe operation. If engine does not start after two pulls, squeeze trigger of gun to relieve pump pressure. Pull starter cord slowly until resistance is felt. Then pull cord rapidly to avoid kickback and prevent hand or arm injury. Note: If the oil level in the engine is low, the engine will not start. If the engine does not start, check the oil level and add oil as needed. 14.As the engine warms up, move the choke to the open position. 15.Depress trigger on gun to start water flow. Warning: Risk of unsafe operation. Stand on a stable surface and grip gun/wand firmly with both hands. Expect the gun to kickback when triggered. 16.Release trigger to stop water flow. DANGER: Risk of injury from spray. Engage the X trigger lock (X) when gun is not in use to prevent accidental spraying. 17.Adjust spray for the task being performed by changing quick connect nozzle. Refer to Spray Wand Nozzles. K Shutting Down H 1.If chemicals were applied, place the chemical hose into a container of clean water and draw clean water through chemical injection system to rinse system thoroughly. 13 English M 13. English Pump Caution: Risk of property damage Failure to do so could cause damage to the pump. 2.Place the engine ON/OFF switch (H) to the OFF Position. 3.Place the fuel valve lever (M) in the OFF postion. Caution: Risk of property damage. Never turn water supply off while pressure washer engine is running or damage to pump will result. 4.Turn water source off. 5.Pull trigger on spray gun to relieve any water pressure in hose or spray gun. 6.Refer to Storage for proper storage procedures. The high pressure pump is maintenance free and requires no oil, if there is a problem with the pump contact a DeWALT factory service center, a DeWALT authorized service center or other qualified service personnel. Nozzle Cleaning If the nozzle becomes clogged with foreign materials, such as dirt, excessive pressure may develop. If the nozzle becomes partially clogged or restricted, the pump pressure will pulsate. Clean the nozzle immediately using the nozzle kit supplied and the following instructions: 1.Shut off the pressure washer and turn off the water supply. 2.Pull trigger on gun handle to relieve any water pressure. 3.Disconnect the spray wand from the gun. Y 4.Remove the high-pressure nozzle from the spray wand. Remove any obstructions with the nozzle cleaning tool (Y) provided and back flush with clean water. 5.Direct water supply into spray wand to back flush loosened particles for 30 seconds. 6.Reassemble the nozzle to the wand. 7.Reconnect spray wand to gun then turn on water supply. 8.Start pressure washer and place spray wand into high pressure setting to test. MAINTENANCE WARNING: Risk of burning. When performing maintenance, you may be exposed to hot surfaces, water pressure or moving parts that can cause serious injury or death. WARNING: Risk of fire. Always disconnect, spark plug wire, let the engine cool and release all water pressure before performing any maintenance or repair. The engine contains flammable fuel. Do not smoke or work near open flames while performing maintenance. To ensure efficient operation and longer life of your pressure washer, a routine maintenance schedule should be prepared and followed. If the pressure washer is used in unusual conditions, such as high temperatures or dusty conditions, more frequent maintenance checks will be required. Engine To Clean the Water Inlet Filter Consult the engine instruction manual for the manufacturer's recommendations for any and all maintenance. NOTE: The pressure washer frame is equipped with an oil drain hole to help make changing the engine oil easier. This filter screen (U) should be checked periodically and cleaned if necessary. 14 1. Obtain a funnel, 6 oz. (170 mL) of RV antifreeze and 16–36" (40–91cm) of garden hose with a male hose connector attached to one end. CAUTION: Risk of property damage. Use only RV antifreeze. Any other antifreeze is corrosive and can damage pump. 2.Disconnect spark plug wire. 3. Connect length of garden hose to water inlet of pump. 4.Add RV antifreeze to hose as shown. 5. Pull engine starter rope slowly several times until antifreeze comes out of high-pressure hose connection of pump. 6. Remove garden hose from water inlet of pump. 7. Reconnect spark plug wire. U To Remove Tires 1.Using a 1/8" hex head wrench loosen set screw in hub collar. 2.Slide hub collar from axle and remove the tire. sTORAGE Engine Pressure Washer Consult the engine instruction manual for the manufacturer's recommendations for storage. 1. Drain all water from highpressure hose, coil it and store it in cradle of the pressure washer handle. 2.With nozzle pointed down and the spray gun and wand in a vertical position, squeeze trigger to drain all water from spray gun and wand. Store in gun holder. 3.Store chemical hose so it is protected from damage. 4. If space is needed, handles may be removed and attached as shown. Pump The manufacturer recommends using a pump protector/winterizer, such as DeWALT winterizer (DP80) when storing the unit for more than 30 days and/or when freezing temperatures are expected. DeWALT winterizer (DP80) is availabe at the store where the pressure washer was purchased. If a pump protector/ winterizer is not available, RV antifreeze can be used as outlined in the following steps. NOTE: Using a pump protector/ winterizer or RV antifreeze helps to provide proper lubrication to the internal seals of the pump regardless of temperature or environment. 15 English 1.Remove the filter screen (U) by grasping the end and removing it from water inlet of pump. 2.Clean filter by flushing it with water on both sides. 3.Reinsert filter into water inlet of pump. Cone side faces out. NOTE: Do not operate pressure washer without filter properly installed. Limited Warranty English Caution: Risk of personal injury. Avoid placing hands between handle and frame when assembling to prevent pinching. DeWALT pressure washers are warranted for two years from the date of purchase. DeWALT will repair, without charge, any defects due to faulty materials or workmanship. This warranty does not cover parts that are damaged through misuse or abuse, or parts which must be replaced from time to time due to normal pressure washer operation. Normal wear parts include, but are not limited to, the engine air filter, spark plug, pump valve seals and O rings. This warranty does not apply to accessories or damage caused where repairs have been made or attempted by a repair center not authorized by DeWALT. This warranty gives you specific legal rights and you may have other rights which vary in certain states or provinces. For further details of warranty coverage and warranty repair information, visit www.dewalt.com and click on Service and Support or call 1-800-4-DeWALT (1-800-433-9258). Latin America: This warranty does not apply to products sold in Latin America. For products sold in Latin America, see country specific warranty information contained either in the packaging, call the local company or see website for warranty information. Accessories Recommended accessories for use with your tool are available for purchase from your local dealer or authorized service center. If you need assistance in locating any accessory for your tool, please contact DeWALT Industrial Tool Co., 701 East Joppa Road, Baltimore, MD 21286, call 1-800-4-DeWALT (1-800-433-9258) or visit our website www.dewalt.com. danger: Risk of fluid injection. When using replacement lances or guns with this pressure washer, do not use a lance and/or lance/gun combination that is shorter in length than what was provided with this pressure washer as measured from the nozzle end of the lance to the gun trigger. WARNING: The use of any other accessory not recommended for use with this tool could be hazardous. Use only accessories rated equal to or higher than the rating of the pressure washer. Service Information Please have the following information available for all service calls: Model Number ____________ Serial Number ___________ Date and Place of Purchase ____________________________ Repairs To assure product SAFETY and RELIABILITY, repairs, maintenance and adjustment should be performed by a DeWALT factory service center, a DeWALT authorized service center or other qualified service personnel. Always use identical replacement parts. 16 Glossary FREE WARNING LABEL REPLACEMENT: If your warning labels (next page) become illegible or are missing, call 1-800-4-DeWALT for a free replacement. 17 English Bypass mode: Allows water to re-circulate within pump when the gun trigger is not pulled. Chemical hose: Feeds cleaning agents into the pump to mix with the water. Refer to Chemicals and Cleaning Solvents. Chemical injection system: Mixes cleaners or cleaning solvents with water to improve cleaning effectiveness. Choke control: Opens and closes carburetor choke valve. CU: Cleaning Units. GPM multiplied by PSI. (GPM x PSI = CU) Fuel valve lever: Opens/closes connection between fuel tank and carburetor. GPM: Gallons Per Minute. The unit of measure for the flow rate of water. PSI: Pounds per Square Inch. The unit of measure for water pressure. Also used for air pressure, hydraulic pressure, etc. kPa (kilopascal): Metric pressure measurement. 1 kilopascal equal 1000 pascals. Quick-connect spray wand: Allows the user to quickly change out high-pressure nozzles. Refer to Spray Wand Nozzles. Thermal relief valve: When the temperature inside the pump rises too high the valve will open and release a gush of water in an effort to lower the temperature inside the pump. The valve will then close. Water supply: All pressure washers must have a source of water. The minimum requirements for a water supply are 20 PSI (138 kPa) and 5 gallons per minute. English Troubleshooting Guide This section provides a list of the more frequently encountered malfunctions, their causes and corrective actions. The operator or maintenance personnel can perform some corrective actions, and others may require the assistance of a qualified DeWALT technician or your dealer. ProblemCode Engine will not start .......................................................................................................1, 2, 3, 4, 5, 6, 7, 8, 29 (refer to the engine's instruction manual for further engine troubleshooting) No or low pressure (initial use).......................................................................................9, 10, 11, 12, 13, 14, 15, 16 Will not draw chemicals..................................................................................................16, 17, 18, 19, 20, 22 No or low pressure (after period of normal use)............................................................21, 23, 24 Water leaking at gun/spray wand connection.................................................................25, 26 Water leaking at pump....................................................................................................25, 26, 27, 28 Pump Pulsates................................................................................................................12 Troubleshooting Codes Code possible cause POSSIBLE SOLUTION 1 No fuel. Add fuel. 2 Low oil. Add required amount of oil. 3 Pressure builds up after two pulls on the recoil starter or after initial use. Squeeze gun trigger to relieve pressure. 4 Choke lever in the No Choke position. Move choke to the Choke position. 5 Spark plug wire not attached. Attach spark plug wire. 6 Engine ON/OFF switch in OFF position. Place engine ON/OFF switch in on position. 7 Choke lever in the Choke position on a hot engine or an engine that has been exposed to thermal heat for a long period of time. Move choke to the No Choke position. 8 Fuel valve closed. Move the fuel valve lever to the Open position. 9 Spray wand not in high pressure. See Spray Wand Nozzles under Operation. 18 (Troubleshooting Codes cont.) Code POSSIBLE SOLUTION 10 Low water supply. Water supply must be at least 5 GPM @ 20 PSI (138 kPa). 11 Leak at high-pressure hose fitting. Repair leak. Apply sealant tape if necessary. 12 Nozzle obstructed. See Nozzle Cleaning under Maintenance. 13 Water filter screen clogged. Remove and clean filter. 14 Air in hose. Turn off the engine, then the water source. Disconnect the water source from the pump inlet and turn the water source on to remove all air from the hose. When there is a steady stream of water present, turn water source off. Reconnect water source to pump inlet and turn on water source. Squeeze trigger to remove remaining air. 15 Choke lever in the Choke position. Move choke to the No Choke position. 16 High-pressure hose is too long. Use high-pressure hose under 100 feet (30.48 m). Lengthen water supply hose instead of high-pressure hose. 17 Spray wand not in low pressure. See Spray Wand Nozzles under Operation. 18 Chemical filter clogged. Clean filter. 19 Chemical screen not in cleaning solution. Make sure end of chemical hose is fully submerged into cleaning solution. 20 Chemical too thick. Dilute chemical. Chemical should be the same consistency as water. 21 Worn seal or packing. Have parts cleaned or replaced by authorized service center. 22 Chemical build up in chemical injector. Have replaced by an authorized service center. 23 Worn or obstructed valves. Have replaced by authorized service center. 24 Worn unloader piston. Have replaced by authorized service center. 25 Worn or broken o-ring. Check and replace. 19 English possible cause (Troubleshooting Codes cont.) English Code possible cause POSSIBLE SOLUTION 26 Loose hose connection. Tighten. 27 Piston packings worn. Have replaced by authorized service center. 28 Pump head or tubes damaged from freezing. Have replaced by authorized service center. 29 Air filter filled with oil. Clean air filter element. Refer to engine instruction manual for correct procedure. 20 DeWALT Industrial Tool Co., 701 Joppa Road, Baltimore, MD 21286 Copyright © 2007 DeWALT DPD3100 Form No. N000532 (OCT07) The following are trademarks for one or more DeWALT power tools: the yellow and black color scheme; the “D” shaped air intake grill; the array of pyramids on the handgrip; the kit box configuration; and the array of lozenge-shaped humps on the surface of the tool.