DUROMAX XP WX Series User Manual
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DUROMAX XP WX Series User Manual

Dual fuel water pumps
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DUAL FUEL WATER PUMPS
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REV: XPxxxWX_rev04142022
5800 Ontario Mills Pkwy
This manual provides information regarding the
Ontario, CA 91764 USA
operation and maintenance of these products. We
www.duromaxpower.com
have made every effort to ensure the accuracy of the
Call our Customer Care Team Toll Free 8-5 pm PST Mon-Fri
information in this manual. We reserve the right to
844-DUROMAX
change this product at any time without prior notice.

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Summary of Contents for DUROMAX XP WX Series

  • Page 1 Call our Customer Care Team Toll Free 8-5 pm PST Mon-Fri information in this manual. We reserve the right to 844-DUROMAX change this product at any time without prior notice.

  • Page 3: Table Of Contents

    CONTENTS Introduction Introduction ........................6 General Safety Procedures ................... 8 Unit and Purchase Information .................. 12 Package Contents ......................13 Water Pump Components ................... 14 Water Pump Setup Remove Shipping Braces ..................... 19 Wheel Kit Installation ....................20 Adding Oil ........................22 Adding Gasoline ......................
  • Page 4 CONTENTS Troubleshooting Basic Troubleshooting ....................55 Warranty .......................... 58 Contact Information ....................62...
  • Page 6 DUROMAX The DuroMax Way is more than just a brand, it is our understanding and appreciation of just how important power can be to someone without it… DUROMAX FOR HOME DUROMAX FOR WORK DUROMAX FOR PLAY Electricity in our home not...

  • Page 7: Introduction

    INTRODUCTION DuroMax Power Equipment is headquartered in Ontario, California and is the industry’s leader in dual fuel portable water pump technology. In addition to a full assortment of portable water pumps ranging from digital inverters to large 15,000-watt portable standby units, our product line includes pressure washers, engines, pumps, and accessories.

  • Page 8: General Safety Procedures

    GENERAL SAFETY PROCEDURES SAFETY ALERT SYMBOL The safety alert symbol is used with one of the safety words (DANGER, CAUTION, or WARNING) to alert you of hazards. Please pay attention to these hazard notices both in this manual and on the water pump. Please familiarize yourself with the following safety symbols and words: ●...
  • Page 9 WARNING: This water pump may emit highly flammable and explosive gasoline vapors, which can cause severe burns or even death. A nearby open flame can lead to an explosion even if not directly in contact with gasoline. ● Do not operate near an open flame. ●...
  • Page 10 GENERAL SAFETY PROCEDURES In addition to the above safety notices, please familiarize yourself with the safety and hazard markings on the water pump.
  • Page 11 CAUTION HIGH TEMPERATURE DON’T TOUCH HOT EXHAUST DANGER KEEP SAFE DISTANCE BURN RISK CARBON MONOXIDE SAFE DISTANCE DON’T TOUCH...

  • Page 12: Unit And Purchase Information

    UNIT AND PURCHASE INFORMATION Serial Number Serial Number The serial number is located on the engine block, above and to the left of the oil fill. Serial number format The serial number will be shown in two parts. The engine model, followed by the serial number.

  • Page 13: Package Contents

    PACKAGE CONTENTS Your water pump comes with the items listed below. Please check to see that all of the following items are included with your water pump. Oil Funnel w/ Hose Spanner Spark Plug Wrench Assorted wrenches used in Used in spark plug Used to add oil to the water water pump maintenance maintenance, inspection, and...

  • Page 14: Water Pump Components

    WATER PUMP COMPONENTS 5. Throttle Lever 6. Fuel Cap 1. Air Cleaner 2. Choke 7. Recoil Handle 3. Fuel Valve 4. Recoil Start 1. Air Cleaner - A removable, cleanable, oiled, element that cleans the air going into the engine. 2.
  • Page 15 11. Fuel Tank 12. Discharge Port 8. Handles 13. Inlet Port 9. Engine Switch 14. Wheel 10. Oil Fill and Dipstick 8. Handles - Foldable handles allow easy movement across any surface. 9. Engine Switch – 3 Position switch to “Start”, “Run”, or turn “Off” the water pump. 10.

  • Page 17: Water Pump Setup

    WATER PUMP SETUP Proper setup of your water pump will get you going as soon as possible while making sure you and your equipment are safe and cared for.

  • Page 19: Remove Shipping Braces

    WATER PUMP SETUP Step 1 - Remove Shipping Braces Unpack Remove the water pump from the box. Place the largest piece of packing foam on a flat surface. Flip the Water Pump upside down on the pad. CAUTION: NEVER attempt this if you have put fuel or oil in the water pump.

  • Page 20: Wheel Kit Installation

    WATER PUMP SETUP (CONTINUED) Step 2 - Wheel Kit Installation (Optional) Install support legs Secure the support legs to the frame with the provided lock nuts. Install wheel axles Place the smallest washer onto the wheel axle bolts. Insert wheel axle bolts through the frame and secure with the provided nut and wrenches.
  • Page 21 Install outside wheel washers Place the other large washers onto the axles. Install cotter pins Place the cotter pin through the hole at the end of the axle and bend it out to secure the wheel. Flip Over Flip the assembled water pump over onto its wheels and support brackets.

  • Page 22: Adding Oil

    WATER PUMP SETUP (CONTINUED) Step 3 - Adding Oil The water pump requires engine oil to operate properly. The water pump, when new from the package, contains no oil in the crankcase . You must add the proper amount of oil before operating the water pump for the first time.

  • Page 23: Adding Gasoline

    Step 4 - Adding Gasoline (Optional) Add gasoline Make sure the water pump is on a level surface. Unscrew gas cap and set aside (NOTE: the gas cap may be tight and hard to unscrew). Slowly add unleaded gasoline to the fuel tank. Be careful not to overfill.

  • Page 25: Starting The Water Pump

    STARTING THE WATER PUMP If this is not your first time using the water pump, there are still steps you should take to prepare it for operation each time you use it. IMPORTANT: At this point, you should be familiar with the procedures described in the first portion of this section entitled “WATER PUMP SETUP”.

  • Page 26: Check The Oil

    BEFORE YOU START YOUR WATER PUMP Check the Oil Check the oil The water pump is equipped with an automatic shutoff to protect it from damage due to low oil. Nonetheless, you should check the oil level of the engine before each use to ensure that the engine crankcase has a sufficient amount.

  • Page 27: Check The Gas Level

    Check the Gas Level (Optional) Check fuel level If running the engine on gasoline check to see that there is sufficient gasoline in the fuel tank. The gasoline level should always be under the red fuel level indicator located on the bottom of the fuel filter cup.

  • Page 28: Choose The Right Suction And Discharge Hose

    Choose the Right Suction and Discharge Hose The water pump should have the appropriate discharge and suction hose attached based on model size. Please see the tables below for current models of DuroMax suction and discharge hoses. Model Number XP652WX...

  • Page 29: Prime The Water Pump

    Prime the Water Pump Remove priming port plug Unscrew the priming port plug located on the top of the discharge port. Fill the priming port with water Fill up priming port with water until the water pump case is full. Fill the suction hose with water Fill the suction hose with water until full to finish priming the pump.

  • Page 30: Starting The Water Pump Using Gasoline

    STARTING THE WATER PUMP Starting the Water Pump Using Gasoline Move gas fuel valve to ON The gas valve is located above the carburetor bowl. Move the gasoline fuel valve lever all the way to the right-hand position to allow gasoline to flow to the engine carburetor. Move choke lever ON The choke lever is located above the gas valve.
  • Page 31 Pull the recoil start handle Pull the recoil handle slowly until resistance is felt, then quickly pull the recoil handle until fully extended. Continue this step until the engine starts as needed. CAUTION: Release the recoil handle only after the cord has retracted. Releasing the recoil handle while extended may cause harm to yourself or your equipment.

  • Page 32: Starting The Water Pump Using Propane

    STARTING THE WATER PUMP (CONTINUED) Starting the Water Pump Using Propane Move gasoline fuel valve OFF The gas valve is located above the carburetor bowl. Move the gasoline fuel valve lever all the way to the left-hand position to stop the flow of gasoline to the carburetor. Connect propane hose to tank Screw the open ACME nut connection on the propane hose to your propane tank and turn the tank on.
  • Page 33 Purge the propane regulator Hold the propane regulator purge button for 3-5 seconds to remove excess air from the propane line. Turn switch to ON Turn the engine switch to the On position. Pull the recoil start handle Pull the recoil handle slowly until resistance is felt, then quickly pull the recoil handle until fully extended.
  • Page 34 STARTING THE WATER PUMP (CONTINUED) Starting the Water Pump Using Propane WARNING: WHEN USING THE WATER PUMP WITH LPG, MAKE SURE THERE IS NO POSSIBLE IGNITION SOURCE CLOSE TO THE WATER PUMP. 1. Before using, make sure all of the LPG connectors and hoses are well connected and sealed.

  • Page 35: Maintenance And Care

    MAINTENANCE AND CARE Proper maintenance and storage of your water pump is essential to ensure trouble free use of your water pump when you need it. By following the maintenance and care requirements, you can keep your engine running smooth and efficient for years to come.

  • Page 36: Maintenance Schedule

    MAINTENANCE AND CARE Proper routine maintenance of your water pump is essential for safe, economical, and trouble-free operation. It will also help reduce air pollution. WARNING: Improper maintenance, or failure to correct a problem before operation, can cause a malfunction in which you can be seriously injured or killed. Always follow the inspection, maintenance recommendations, and schedules in this instruction manual.

  • Page 37: Break-In Period

    Break-In Period As the best practice for any new combustion motor it’s recommended to perform the break in procedure as follows: ● Run the engine for the first 6-8 hours on conventional oil, then change the oil. After the break-in period synthetic oil may be used. ●...

  • Page 38: Checking The Oil

    MAINTENANCE AND CARE (CONTINUED) Checking the Oil Check the oil The engine is equipped with an automatic shutoff to protect it from damage due to low oil. Nonetheless, you should check the oil level of the engine before each use to ensure that the engine crankcase has a sufficient amount.

  • Page 39: Changing The Oil

    Changing the Oil CAUTION: Worn out or dirty oil does not cool the engine properly and can lead to catastrophic engine damage. In addition to regular oil changes, it is necessary to drain the oil from the crankcase if it has become contaminated with water or dirt.

  • Page 40: Changing The Air Filter

    Remove old filter element Remove the wing nut on top of the air filter element and slide filter element off center bolt. This filter is paper and is not reusable. Please call 844-DUROMAX to order a replacement filter for your engine.
  • Page 41 Replace new filter element Slide new filter element over center bolt, and replace wing nut. Tighten wing nut hand tight to keep filter in place. Replace filter cover Replace plastic air filter cover over the air filter base. Secure filter cover Fasten the air filter cover with the air filter cover wing nut and tighten about hand tight.

  • Page 42: Spark Plug Maintenance

    MAINTENANCE AND CARE (CONTINUED) Spark Plug Maintenance The spark plug is important for proper engine operation. SPARK PLUG A good spark plug should be intact, free of deposits, and CONSULT MANUAL properly gapped. BEFORE REMOVING CAUTION: Improper maintenance may cause reduced fuel economy, misfires, trouble starting, or damage to the spark plug threads.
  • Page 43 Measure plug gap Measure the plug gap with a gauge. The gap should be 0.7-0.8 mm (0.028-0.031 in). Clean and re-gap If you are re-using the spark plug, use a wire brush to clean any dirt from around the spark plug base and then re-gap the spark plug.

  • Page 44: Removing The Propane Hose

    MAINTENANCE AND CARE (CONTINUED) Removing the Propane Hose (Optional) The propane hose is removable if needed. If the propane hose is removed please follow the instructions below for the removal. CAUTION: If propane hose is removed from the carburetor, then the carburetor connection point should be covered with the provided port plug to avoid debris from entering the engine and causing internal damage.
  • Page 45 Install cap on carburetor Install the provided propane port cap on the carburetor to ensure no dirt gets inside the carburetor.

  • Page 46: Emptying The Gas Tank

    MAINTENANCE AND CARE (CONTINUED) Emptying the Gas Tank If you have been using gasoline in your water pump, before storing your water pump for extended periods of time you should drain your engine fuel tank of gasoline. CAUTION: Do not store fuel from one season to another.
  • Page 47 Turn fuel valve ON and drain Turn the fuel valve to “ON” and allow gasoline to drain into the container until the gas tank is empty. Shut fuel valve OFF Once the gasoline is fully drained, move the fuel valve back to the OFF position.

  • Page 48: Storing The Water Pump For Same Day Use

    MAINTENANCE AND CARE (CONTINUED) Storing the Water Pump for Same Day Use Run the water pump Allow the engine to run for 3-5 minutes. Turn engine switch to OFF Move the engine switch to the OFF position to shut the engine off.

  • Page 49: Storing The Water Pump For Use Within 30 Days

    Storing the Water Pump for Use Within 30 Days Run the water pump Allow the engine to run for 3-5 minutes. Shut fuel valve OFF and run dry Shut the fuel valve off and allow engine to run until it stalls out. Turn the engine switch OFF Move the engine switch to the OFF position to shut the engine off.

  • Page 50: Storing The Water Pump For Longer Than 30 Days

    MAINTENANCE AND CARE (CONTINUED) Storing the Water Pump for Longer Than 30 Days Run the water pump Allow the engine to run for 3-5 minutes. Shut fuel valve OFF and run dry Shut the fuel valve off and allow engine to run until it stalls out. Turn the engine switch OFF Move the engine switch to the OFF position to shut the engine off.
  • Page 51 Remove spark plug Remove spark plug as shown in “Spark Plug Maintenance” on page 42. Add oil to cylinder Add 2 tablespoons of 10W-30 motor oil directly into the spark plug hole, and pull the recoil to lubricate cylinder. After lubricating cylinder reinstall the spark plug as shown in “Spark Plug Maintenance”...

  • Page 52: Specifications

    SPECIFICATIONS Model Number XP652WX XP650WX XP904WX Inlet Size 2” 3” 4” Discharge Size 2” 3” 4” Max Overhead Lift 85 ft 85 ft 98 ft Max Suction Lift 26 ft 26 ft 26 ft Max Flow Rate 158 GPM 264 GPM 423 GPM Dimensions 21”L x 15”W x 16”H...
  • Page 53 TROUBLESHOOTING This section of the manual is to help you troubleshoot problems with your water pump.
  • Page 55 TROUBLESHOOTING Mode Description Solution Engine Switch is “Off” Set engine switch to “run” Fuel Valve is “Closed” Turn fuel valve to “open” Choke is open Close the choke Engine is out of fuel Add fuel Engine will not start Fuel is old or contaminated Change fuel Spark Plug is dirty Clean spark plug...
  • Page 57 WARRANTY This section of the manual is to help you understand your warranty.
  • Page 58 OEM parts. Warranty Limitations DuroMax Power Equipment does not claim or hold any obligation to loss of time, freight charges, use of product, or any incidental damages from the use of this product. THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED.
  • Page 59 As the small off-road engine owner, you should be aware that the DuroMax Power Equipment may deny you warranty coverage if your small off-road engine or a part has failed due to abuse, neglect, or improper maintenance or unapproved modifications.
  • Page 60 The use of any non-exempted add-on or modified parts will be grounds for disallowing a warranty claim made in accordance with this Article. DuroMax Power Equipment will not be liable under this Article to warrant failures of warranted parts caused by the use of an add-on or modified part.
  • Page 61 17. Canister Mounting Brackets 18. Carburetor Purge Port Connector * Note: As they relate to the evaporative emission control system. DuroMax Power Equipment will furnish with each new engine written instructions for the maintenance and use of the engine by the owner...
  • Page 62 CUSTOMER SERVICE DuroMax Power Equipment is committed to ensuring that our products perform when they need to. Our Water Pumps are your lifeline in the event of an emergency. Should you have any problems, please contact our customer service department:...
  • Page 64 5800 Ontario Mills Parkway Ontario, CA 91764 United States 844-DUROMAX REV: 04142022...

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