Polaris PWG3700 Use And Care Manual

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PRESSURE WASHER

USE AND CARE MANUAL

READ THIS MANUAL CAREFULLY BEFORE OPERATION

Failure to follow the instructions and safety precautions in this manual can result

in property damage, serious injury and/or death.

If your pressure washer is not working or if there are parts missing or broken, please DO NOT

RETURN IT TO THE PLACE OF PURCHASE. Contact our Customer Service Department by calling

1-877-362-4271 or emailing cservice@fna-group.com

SAVE THIS MANUAL FOR FUTURE REFERENCE

NOTE: Photographs and line drawings used in this manual are for reference only and may not

represent your specific model.

Part Number 7118423 / ENGLISH

PWG3700

LOOK BEFORE YOU PUMP!

REV A - 06/2022

Table of Contents

Summary of Contents for Polaris PWG3700

Page 1 PRESSURE WASHER USE AND CARE MANUAL PWG3700 LOOK BEFORE YOU PUMP! READ THIS MANUAL CAREFULLY BEFORE OPERATION Failure to follow the instructions and safety precautions in this manual can result in property damage, serious injury and/or death. If your pressure washer is not working or if there are parts missing or broken, please DO NOT RETURN IT TO THE PLACE OF PURCHASE.
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Page 3 This manual should remain with the product(s) it covers if sold to a new owner. If the manual becomes damaged, lost, or otherwise unusable, you may download a new copy from the product pages at https://www.polaris.com/ or contact customer support by calling 1-877-362-4271.
Page 4: Table Of Contents
TABLE OF CONTENTS SAFETY INSTRUCTIONS Read this Manual Before Operating Additional Instructions Hazard Alert Symbols DISCLAIMERS UNPACKING ASSEMBLY Install Knob-style Handle Assemble the Spray Gun Organize Accessories COMPONENT LOCATION CONNECTING HOSES PURGING AIR FROM THE PUMP 11 NOZZLES Nozzle Selection Nozzle Installation USING CHEMICALS OPERATING CHECKLIST...
Page 5 OPERATION TIPS Terms Preparation Pressure Washing TROUBLESHOOTING MAINTENANCE Maintenance Cleaning the Pressure Washer Connections Nozzle Cleaning Water Inlet Filter Pump Maintenance Engine Maintenance STORAGE AND TRANSPORTATION Storing for Two Months or Less Storing for More Than Two Months Transportation WARRANTY Page 3...
Page 6: Safety Instructions
SAFETY INSTRUCTIONS READ THIS MANUAL BEFORE OPERATING This manual contains important safety information and instructions. Do not operate this product until you have read, and completely understand all safety, operation, and maintenance instructions listed in this manual. Failure to follow the information contained in this manual will result in property damage, injury, and/or death.
Page 7: Disclaimers
CALIFORNIA PROPOSITION 65 WARNING This product and the engine exhaust can expose you to chemicals which are known to the state of California to cause cancer, birth defects, or other reproductive harm. For more information on California Proposition 65, go to www.P65Warnings.ca.gov. POLYCYCLIC AROMATIC HYDROCARBON WARNING The air filter element and air box assembly may contain polycyclic aromatic hydrocarbons (PAHs).
Page 8: Unpacking
UNPACKING Follow the steps outlined in this section to unpack and assemble your pressure washer. If you have any questions regarding the unpacking or assembly of your pressure washer, please have your model number and serial number ready, then contact customer support at 1-877-362-4271 or email cservice@fna-group.com.
Page 9: Assemble The Spray Gun
Assemble the spray gun Thread the lance into the spray gun. Organize accessories Place the spray gun and lance assembly into the holder on the dashboard. Push nozzles into rubber grommets dashboard. Note: the dashboard label indicates correct nozzle placement. Hang the high-pressure hose on the holder.
Page 10: Component Location
COMPONENT LOCATION Hose hanger High-pressure hose Nozzle holder Spray gun Spray gun holder Fuel tank Fuel tank cap Engine throttle Engine choke Engine fuel valve Engine ignition switch (not shown) Spray wand quick connector Engine recoil starter Air filter cover Spark plug Page 8...
Page 11 Pump Thermal relief valve Engine oil fill cap / dipstick Handle retaining knobs and bolts Soap injection barb fitting High-pressure pump output Low-pressure pump input Engine oil drain plug Page 9...
Page 12: Connecting Hoses
CONNECTING HOSES Before connecting a water supply hose, be sure the water supply is capable of providing an uninterrupted source of clean, cold water at a minimum rate of 5 gallons per minute (GPM) and 20 pounds per square inch (PSI) of pressure. Once a proper water supply is secured, follow the instructions below to connect both the water supply and high-pressure hoses to the pressure washer.
Page 13: Purging Air From The Pump
PURGING AIR FROM THE PUMP NOTICE PUMP PURGING Running a pressure washer pump without water will severely damage the pump seals and other internal components. To avoid this hazard, make sure your water supply is uninterrupted and at least 5 GPM at 20 PSI, and always purge the air your pressure washer pump before starting the engine.
Page 14: Nozzles
NOZZLES Nozzle Selection The nozzles supplied with the pressure washer have specific spray patterns designed to clean different surfaces. Using the incorrect nozzle can damage surfaces. Refer to the table below to select the correct nozzle before using the pressure washer. NOTE: The selection of nozzles included may vary with pressure washer models.
Page 15: Using Chemicals
USING CHEMICALS NOTICE VOLATILE LIQUIDS Pressure washing with volatile, flammable, or corrosive liquids could cause pressure washer damage, fire, or explosion resulting in severe injury and/or death. To avoid these hazards, use only approved soaps and chemicals, do not attempt to pressure wash with volatile, flammable, or corrosive liquids, and NEVER use bleach.
Page 16: Operating Checklist
OPERATING CHECKLIST Location Place the pressure washer on a level surface outside in a well-ventilated area before operating. Keep all flammable materials at least five feet away from all sides of the product. ● Never use pressure washer inside a house, garage, or any other kind of enclosure even if doors and windows are open.
Page 17: High Altitude Operation
High Altitude Operation This engine will have proper engine performance and emission control when it is operated at or below an altitude of 5000 feet (1524 meters). This engine requires a high-altitude carburetor kit to ensure proper engine performance and emission control when operated at altitudes above 5000 feet (1524 meters).
Page 18: Checking The Engine Oil
WARNING: WARNING: INJECTION INJURY The high pressures created by a pressure washer can cause fluid injection injuries, severe lacerations, amputations, and / or death. To avoid these hazards, always aim the spray gun and lance in a safe direction when using the pressure washer and never attempt to touch a leak in a high-pressure hose or fitting.
Page 19 NOTICE FILL ENGINE BEFORE USE The engine is shipped from the factory without oil. Running the engine without oil will result in severe engine damage and void the warranty. To avoid causing engine damage and voiding the warranty, fill the engine with the recommended oil type before starting. NOTICE USE CORRECT ENGINE OIL Oil is a major factor in the performance and service life of any engine.
Page 20: Checking Fuel
Checking Fuel WARNING: WARNING: REFUELING Gasoline is highly flammable and gasoline vapors are extremely explosive. Fire and explosions can cause severe burns and/or death. Keep gasoline away from flames, sparks, and other ignition sources. Refuel outdoors in a well-ventilated area with the engine stopped and cool.
Page 21 NOTICE GASOLINE STORAGE It is important to prevent gum deposits from forming in essential fuel system parts, such as the carburetor, fuel filter, fuel hose or tank during storage. Alcohol-blended fuels (also called gasohol, ethanol, or methanol) attract moisture, which leads to separation and formation of acids during storage.
Page 22: Starting The Engine
STARTING THE ENGINE WARNING: WARNING: OPERATING CHECKLIST Attempting to start the engine incorrectly or using the pressure washer incorrectly can result in engine and/or pressure washer damage, and may cause serious injury or death. To avoid these hazards, be sure to read, understand, and follow the steps outlined in the OPERATING CHECKLIST section of the owner’s manual before starting the engine, and follow all the guidelines for proper use of the pressure washer.
Page 23 Pull recoil slowly until resistance is felt, then pull rapidly to start the engine. WARNING: WARNING: RAPID RETRACTION Rapid retraction (also known as kickback) of the engine recoil starter cord will pull your hand and arm towards the engine faster than you can let go of the handle resulting in sprains, broken bones, lacerations, and/or traumatic amputations.
Page 24 OPERATION TIPS Terms ● PSI – Stands for pounds per square inch and measures the water pressure or stripping power produced by the pressure washer. The higher the PSI number, the greater the pressure and stripping power produced. ● GPM – Stands for gallons per minute and measures the flow rate of the water. The higher the GPM, the greater the flow or rinsing power produced.
Page 25 TROUBLE SHOOTING Issue Possible Cause Solution The fuel tank is empty. Add fresh fuel. Aim the spray gun in safe Water pressure in the pump direction and pull trigger to is preventing the engine release water pressure in from turning over. the pump.
Page 26 MAINTENANCE For safety reasons, the manufacturer recommends all pressure washer service and repairs be performed by an authorized service center. All warranty replacements or repairs must be performed by an authorized distribution or service center. To find an authorized service center near you, make a warranty claim, or get authorized warranty repair, call 1-877-362- 4271 or email cservice@fna-group.com.
Page 27 Nozzle Cleaning If a nozzle becomes clogged, the pump may pulsate and spray patterns could change. If the nozzle is not cleaned, excessive pressure may develop possibly damaging the pump, or other accessories. Inspect nozzles before using them and follow the instructions in this section for the proper nozzle cleaning procedure.
Page 28 Pump Maintenance The pump on this unit is a maintenance free design. The pump was filled with oil at the factory and has no oil drain or fill plugs. If there is a problem with the pump on this pressure washer call 1-877-362-4271 or email cservice@fna-group.com.
Page 29 Storing for More Than Two Months Make sure the engine is completely cool. Remove all the fuel from fuel tank, fuel lines, and carburetor by loosening the drain screw at the bottom of the carburetor, and draining fuel into an appropriate container. Change the engine oil.
Page 30 COMMERCIAL LIMITED WARRANTY WARRANTY COVERAGE TERMS: The manufacturer of this product agrees to repair or replace designated parts that prove defective within the warranty period listed below at the manufacturer’s sole discretion. Specific limitations / extensions and exclusions apply. This warranty covers defects in material and workmanship and not parts failure due to normal wear, depreciation, abuse, accidental damage, negligence, improper use, maintenance, water quality or storage.
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Page 32 READ THIS MANUAL CAREFULLY BEFORE OPERATION Failure to follow the instructions and safety precautions in this manual can result in property damage, serious injury and/or death. SAVE THIS MANUAL FOR FUTURE REFERENCE Part Number 7118423 / ENGLISH REV A - 06/2022...