Summary of the content on the page No. 1
If you have questions or comments, contact us.
Pour toute question ou tout commentaire, nous contacter.
Si tiene dudas o comentarios, contáctenos.
1-800-4-DEWALT � www.dewalt.com
INSTRUCTION MANUAL
INSTRUCTIVO DE OPERACIÓN, CENTROS DE SERVICIO Y PÓLIZA
GUIDE D'UTILISATION DE GARANTÍA. ADVERTENCIA: LÉASE ESTE INSTRUCTIVO ANTES
DE USAR EL PRODUCTO.
MANUAL DE INSTRUCCIONES
DP3900
Pressure Washer
Laveuse à pression
Lavadora a presión
Summary of the content on the page No. 2
FIG. 1 DP3900 PRESSURE WASHER C D P F G A. Handle assemble I. Engine dipstick/oil plug A B. Frame J. High-pressure pump C. High-pressure hose K. Engine D. Professional Spray gun L. Choke control K E. Quick-connect M. Starter grip spray wand N. Fuel valve lever Q H F. Panel assembly O. Engine switch R L G. Nozzle holder P. Gas cap N H. High-pressure pump Q. Throttle control lever dipstick/oil plug M R. Side Handle E J Engine O Refer to the engine instruction manual for locat
Summary of the content on the page No. 3
English 3. Know how to stop the product and bleed pressures quickly. Be thoroughly familiar with the controls. Defi nitions: Safety Guidelines 4. Stay alert–watch what you are doing. The definitions below describe the level of severity 5. Do not operate the product when fatigued or under the influence for each signal word. Please read the manual and of alcohol or drugs. pay attention to these symbols. 6. Keep operating area clear of all persons. DANGER: Indicates an imminently hazardous 7.
Summary of the content on the page No. 4
� Muffler exhaust heat can � Always keep pressure washer damage paint ed sur fac es, a min i mum of 4' (1.2 m) away melt any material sen si tive from sur fac es (such as DANGER: RISK OF EXPLOSION OR FIRE to heat (such as siding, houses, au to mo biles or plas tic, rub ber, vinyl or the live plants) that could be WHAT CAN HAPPEN HOW TO PREVENT IT pressure hose, itself), and damaged from muffler � Spilled gas o line and it’s � Shut off en gine and allow dam age live plants. exhaust h
Summary of the content on the page No. 5
English � Direct spray away from self DANGER: RISK TO BREATHING (ASPHYXIATION) CONTINUED and others. � Some clean ing fluids � Use only clean ing fluids � Make sure hose and fit tings con tain sub stanc es which spe cif i cal ly rec om mend ed are tight ened and in good could cause injury to skin, for high-pressure washers. condition. Never hold onto eyes or lungs. Fol low manufacturers the hose or fittings during recommendations. Do not op era tion. use chlorine bleach or any �
Summary of the content on the page No. 6
DANGER: RISK OF UNSAFE OPERATION DANGER: RISK OF INJURY FROM SPRAY WHAT CAN HAPPEN HOW TO PREVENT IT WHAT CAN HAPPEN HOW TO PREVENT IT � Unsafe op era tion of your � Do not use chlorine � High-velocity fluid spray � Always wear ANSI-approved pressure wash er could lead bleach or any other can cause objects to break, Z87.1 safety glasses. Wear to se ri ous in ju ry or death to corrosive compound. propelling particles at high protective clothing to protect you or others. � Be come famil
Summary of the content on the page No. 7
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 DANGER: RISK OF INJURY OR PROP ERTY D AMAGE hand and arm injury. pressure. Pull starter cord WHEN TRANSPORTING OR STORING slowly until resistance is felt. Then pull cord rapidly to WHAT CAN HAPPEN HOW TO PREVENT IT avoid kickback and prevent � Fuel or oil can leak or spill � If pressure washer is hand or arm in
Summary of the content on the page No. 8
WARNING: RISK OF BURSTING WARNING: RISK OF HOT SURFACES WHAT CAN HAPPEN HOW TO PREVENT IT WHAT CAN HAPPEN HOW TO PREVENT IT � Con tact with hot sur fac es, � During op era tion, touch � Over inflation of tires could � Use a tire pressure gauge such as engines exhaust only the control surfaces result in serious injury and to check the tires pressure com po nents, could result in of the pres sure washer. property damage. before each use and while se rious b urn. Keep children away from
Summary of the content on the page No. 9
English INSTALLATION Pressure Washer Assembly (Fig. 1) 1. Place handle assembly (A) onto frame, depress WARNING: RISK OF ELEC TRI CAL SHOCK the snap buttons, and slide the handle assembly WHAT CAN HAPPEN HOW TO PREVENT IT onto the frame (B) until snap buttons are secured � Spray di rect ed at elec tri cal � Unplug any elec tri cal ly in place. outlets or switch es, or objects op erat ed product before CAUTION: Risk of personal injury. Avoid placing con nect ed to an elec tri cal attem
Summary of the content on the page No. 10
6. Place the nozzle OPERATION holder (G) onto the Pressure Adjustments panel assembly (F) and push each noz- The pressure setting is preset at the factory to achieve op ti mum pres- zle holder into sure and cleaning. To lower the pres sure, follow these instructions. place. 1. Back away from the sur face to be cleaned. The further away you are, the less the pressure will be on the surface to be cleaned. 7. Remove the five colored quick-connect nozzles from the plastic 2. Change to the
Summary of the content on the page No. 11
English 1. Pull quick-connect coupler back and insert 15˚ intense metal, concrete nozzle. cleaning of or wood Yellow 2. Release quick-connect coupler and small areas twist nozzle to make sure it is secure in coupler. intense metal, concrete 25˚ WARNING: Flying object could cause risk cleaning of or wood of serious injury. Ensure nozzle is completely Green larger areas inserted in quick-connect socket and quick- connect snap ring is fully engaged (forward) before squeezing gun trigger.
Summary of the content on the page No. 12
NOTE: Chemicals and soaps will not siphon when spray wand is in the � NEVER turn water supply off while pressure washer engine is high-pressure setting. running or damage to pump will result. � DO NOT stop spraying water for more than two Starting U minutes at a time. Pump operates in bypass WARNING: To reduce the risk of injury, read the pressure washer mode when spray gun trigger is not pressed. instruction manual and the engine instruction manual before starting When the temperature ins
Summary of the content on the page No. 13
English WARNING: To reduce the possibility of contamination always pro- Shutting Down tect against backflow when connected to a potable water system. 1. If chemicals were applied, place the chemical hose into a 6. Connect high-pressure hose (C) to pump container of clean water and draw clean water through chemical C outlet. injection system to rinse system thoroughly. 7. If applying a chemical or cleaning solution, CAUTION: Risk of property damage Failure to do so could cause refer to C
Summary of the content on the page No. 14
Engine Nozzle Cleaning Consult the engine instruction manual for the manu fac tur er's recom- If the nozzle becomes clogged with foreign materials, such as dirt, mendations for any and all maintenance. excessive pressure may develop. If the nozzle becomes partially NOTE: The pressure washer frame is equipped with an oil drain clogged or restricted, the pump pressure will pulsate. Clean the hole to help make changing the engine oil easier. nozzle immediately using the nozzle kit supplied an
Summary of the content on the page No. 15
English 3. Reinsert filter into water inlet of pump. Cone side faces out. 4. Add RV antifreeze or windshield NOTE: Do not operate pressure washer without fi lter properly washer fluid to hose as shown. installed. 5. Pull engine starter rope slowly several times until an ti freeze/ To Remove Tires washer fluid comes out of high- 1. Using a 1/8" hex head wrench loosen set pressure hose con nec tion of screw in hub collar. pump. 2. Slide hub collar from axle and remove the 6. Remove gar
Summary of the content on the page No. 16
LATIN AMERICA: This warranty does not apply to products sold in DANGER: Risk of fluid injection. When using replacement lances Latin America. For products sold in Latin America, see country spe- or guns with this pressure washer, DO NOT use a lance and/or lance/gun combination that is shorter in length than what was pro- cific warranty information contained either in the packaging, call the vided with this pressure washer as measured from the nozzle end local company or see website for warra
Summary of the content on the page No. 17
English Glossary 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 fu
Summary of the content on the page No. 18
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 Squeeze gun trigger to relieve pres sure. initial use. 4 Choke lever in the NO CHOKE position. Move choke to the CHOKE po si tion. 5 Spark plug wire not attached. Attach spark plug wire. 6 Engine ON/OFF switch in OFF po si tion. Place engine ON/OFF switch in ON position. 7 Choke lever in the CHOKE position on a
Summary of the content on the page No. 19
English (Troubleshooting Codes cont.) CODE POSSIBLE CAUSE POSSIBLE SOLUTION 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
Summary of the content on the page No. 20
FIG. 1 LAVEUSE HAUTE PRESSION, MODÈLE DP3900 C D P F G A. Module de poignée J. Pompe haute pression A B. Cadre K. Moteur C. Tuyau haute pression L. Commande d’étrangleur D. Pistolet de pulvérisation M. Poignée de démarrage K professionnel N. Levier de la soupape à E. Tube de pulvérisation à essence Q H changement rapide O. Interrupteur moteur R L F. Panneau P. Bouchon du réservoir G. Porte-buse d’essence N H. Jauge graduée/Bouchon du Q. Levier de contrôle de M E réservoir d’h
