Instruction manual ESPAÑOL: PÁGINA 21 FRANÇAIS: PAGE 41 13 Horsepower 3700 PSI 4.0 GPM Pressure Washer PCH3740 To learn more about Porter-Cable visit our website at: http://www.porter-cable.com ® IMPORTANT Please make certain that the person who is to use this equipment carefully reads and understands these instructions before starting operations. The Model and Serial No. plate is located on the frame. Record these numbers in the spaces below and retain for future reference. Model No. Type Serial No.
SAFETY GUIDELINES - DEFINITIONS This manual contains information that is important for you to know and understand. This information relates to protecting YOUR SAFETY and PREVENTING EQUIPMENT PROBLEMS. To help you recognize this information, we use the symbols below. Please read the manual and pay attention to these symbols. Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
HAZARD RISK OF EXPLOSION OR FIRE (continued) HOW TO PREVENT IT WHAT CAN HAPPEN • Materials placed against or near the pressure washer can interfere with its proper ventilation features causing overheating and possible ignition of the materials. • Never operate pressure washer in an area containing dry brush or weeds. • Muffler exhaust heat can damage painted surfaces, melt any material sensitive to heat (such as siding, plastic, rubber, or vinyl), and damage live plants.
HAZARD RISK OF CHEMICAL BURN WHAT CAN HAPPEN HOW TO PREVENT IT • Use of acids, toxic or corrosive chemicals, poisons, insecticides, or any kind of flammable solvent with this product could result in serious injury or death. • Do not use acids, gasoline, kerosene, or any other flammable materials in this product. Use only household detergents, cleaners and degreasers recommended for use in pressure washers. • Wear protective clothing to protect eyes and skin from contact with sprayed materials.
HAZARD RISK OF UNSAFE OPERATION WHAT CAN HAPPEN HOW TO PREVENT IT • Unsafe operation of your pressure washer could lead to serious injury or death to you or others. • Do not use chlorine bleach or any other corrosive compound. • Become familiar with the operation 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.
CARTON CONTENTS Operation Manual Engine Frame and Wheel Assembly Nozzle Cleaning Tool Chemical Hose Engine Manual Nozzle Holder Knobs Registration card Quick Connect Nozzles Formed Rubber Covers Saddle Bolts Bagged Parts Handle Tube Bracket Engine Oil Hose Reel with parts bag Spray Gun High Pressure Hose Quick Connect Spray Wand ASSEMBLY INSTRUCTIONS 1.
3. e. Assembly hose reel. a. Attach handle to flange assembly. NOTE: Screws must be inserted from the inside of hose reel and secured with nuts on the outside as shown. Tighten securely. Make a loop in hose as shown. Place hose into hose clamp (3), squeeze hose clamp together, slide onto long screw post, and secure with nut (4). Tighten securely. NOTE: Do not overbend or kink hose. 3 4 b. c. Bolt hose reel to reel bracket as shown. Tighten securely. Turn handle and reel hose onto reel. g.
4. Attach high pressure hose to gun. Tighten securely. 5. Connect wand to gun. Tighten securely. 6. 9. Add engine oil (supplied) to engine. Refer to Engine Owners Manual supplied by engine manufacturer for correct procedure. NOTE: There will be a slight amount of oil in the engine from factory testing. NOTE: The high pressure pump was filled with oil at the factory. There is no need to add oil at this time, see the Maintenance section of this manual for Maintenance information.
OPERATING INSTRUCTIONS Compare the illustrations with your unit to familiarize yourself with the location of various controls and adjustments. Save this manual for future reference. High Pressure Hose Engine Spray Gun Quick Connect Spray Wand High Pressure Pump BASIC ELEMENTS OF A PRESSURE WASHER BASIC ELEMENTS OF AN ENGINE High Pressure Pump: Increases the pressure of the water supply. Engine: Drives the high pressure pump.
PRESSURE WASHER TERMINOLOGY PRESSURE WASHER OPERATING FEATURES PSI: Pounds per Square Inch. The unit of measure for water pressure. Also used for air pressure, hydraulic pressure, etc. GPM: Gallons Per Minute. The unit of measure for the flow rate of water. CU: Cleaning Units. GPM multiplied by PSI. GPM x PSI = CU Bypass Mode: Allows water to re-circulate within pump when the gun trigger is not pulled.
READ AND UNDERSTAND ALL WARNINGS BEFORE STARTING UNIT 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 can 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.
CHANGING NOZZLES ON SPRAY WAND Risk of Flying Object 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. Risk of Flying Object could cause risk of serious injury.
STARTING 8. Prior to starting, refer to your engine manual for proper starting 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 Owners Manual for correct procedure. 2. Check engine oil level. See Engine Owners Manual for correct procedure. NOTE: There will be a slight amount of oil in the engine from factory testing. 3.
MAINTENANCE When performing maintenance, you may be exposed to hot surfaces, water pressure, or moving parts that can cause serious injury or death! Before performing any maintenance or repair, disconnect spark plug wire, let engine cool and release all water pressure. 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.
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. 4.
STORAGE 5. ENGINE Consult the Engine Owners Manual for the manufacturer's recommendations for storage. PUMP The manufacturer recommends using a pump protector/winterizer when storing the unit for more than 30 days and/or when freezing temperatures are expected. If a pump protector/ winterizer is not available, *RV antifreeze needs to be run through the pump as outlined in the steps below.
TROUBLE SHOOTING GUIDE CAUSE PROBLEM Engine will not start (see Engine Manual for further engine troubleshooting) CORRECTION No fuel. Add Fuel. Low oil Add required amount of oil. Pressure builds up after two pulls on the recoil starter or after initial use. Squeeze gun trigger to relieve pressure. Choke lever in the "No Choke" position. Spark plug wire not attached. Move choke to the "Choke" position. Engine ON/OFF switch in OFF position.
PROBLEM Will not draw chemicals No or low pressure (after period of normal use) Water leaking at gun/ spray wand connection Water leaking at pump Oil leaking at pump CAUSE CORRECTION Spray wand not in low pressure. See How to Use Spray Wand paragraph in the Operation Section. Chemical filter clogged. Clean filter. Chemical screen not in cleaning solution. Make sure end of chemical hose is fully submerged into cleaning solution. Chemical too thick. Dilute chemical.
NOTES 19- ENG A08058
LIMITED WARRANTY PORTER-CABLE CORPORATION warrants to the original purchaser that all products covered under this warranty are free from defects in material and workmanship. Products covered under this warranty include air compressors, air tools, service parts, pressure washers, and generators, which have the following warranty periods: 3 YEARS - Limited warranty on 2-stage oil-free air compressor pumps that operate at 1725 RPM. 2 YEARS - Limited warranty on oil-lubricated air compressor pumps.
