DUROMAX XP WP Series User Manual
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DUROMAX XP WP Series User Manual

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DUROMAX WATER PUMPS
U
S
E
R
M
A
N
U A
L
REV: XPxxxWP_rev06082022
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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  • Page 1 DUROMAX WATER PUMPS REV: XPxxxWP_rev06082022 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.

  • 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 Adding Oil ........................18 Adding Gasoline ......................19 Starting the Water Pump Check the Oil ........................ 22 Check the Gas Level .....................
  • Page 4 CONTENTS Warranty .......................... 50 Contact Information ....................54 For more information and resources on this model scan the QR code below to link to our website product information page.
  • 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 generators 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, WARNING, or CAUTION) to alert you of hazards. Please pay attention to these hazard notices both in this manual and on the engine. 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 (CONTINUED) 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 HOT EXHAUST DANGER DANGER KEEP SAFE DISTANCE KEEP SAFE DISTANCE BURN RISK BURN RISK CARBON MONOXIDE CARBON MONOXIDE SAFE DISTANCE SAFE DISTANCE DON’T DON’T TOUCH 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 1. Air Cleaner 2. Choke 6. 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. Choke - An ON/OFF choke lever that controls the fuel air mixture. 3.
  • Page 15 9. Fuel Tank 12. Muffler 10. Discharge Port 11. Inlet Port 7. Engine Switch 8. Oil Fill and Dipstick 7. Engine Switch – An easy to use switch used to turn the water pump ON or OFF. 8. Oil Fill and Dipstick - Use to add or check the oil. 9.

  • 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 18: Adding Oil

    WATER PUMP SETUP Step 1 - 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 19: Adding Gasoline

    Step 2 - Adding Gasoline 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 21: 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 22: 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 23: Check The Gas Level

    Check the Gas Level 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 24: 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 XP652WP...

  • Page 25: 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 26: Starting The Water Pump

    STARTING THE WATER PUMP Starting the Water Pump 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 27 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 29: 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 30: 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 31: 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 32: 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 33: 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 34: 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 1-844-DUROMAX to order a replacement filter for your engine.
  • Page 35 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 36: 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 37 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 38: 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 39 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”...

  • Page 40: 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 41: 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.

  • Page 42: 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.
  • Page 43 Remove spark plug Remove spark plug as shown in “Spark Plug Maintenance” on page 36. 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 44: Specifications

    SPECIFICATIONS Model Number XP652WP XP650WP XP904WP Inlet Size 2” 3” 4” Discharge Size 2” 3” 4” Max Overhead Lift 92 ft 98 ft 98 ft Max Suction Lift 26 ft 26 ft 26 ft Max Flow Rate 158 gpm 220 gpm 427 gpm Dimensions 18.7”L x 15.6”W x 15.4”H...

  • Page 45: Troubleshooting

    TROUBLESHOOTING This section of the manual is to help you troubleshoot problems with your water pump.
  • Page 47 TROUBLESHOOTING Mode Description Solution Engine switch is “OFF” Set engine switch to “ON” Fuel valve is “OFF” Turn fuel valve to “ON” 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 49 WARRANTY This section of the manual is to help you understand your warranty.
  • Page 50 OEM parts. Warranty Limitations DuroMax Power Equipment does not claim or hold any obligation to loss of time, freight charges, use of the product, or any incidental damages from the use of this product. THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED.
  • Page 51 Equipment cannot deny warranty solely for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance. As the small off-road engine owner, you should, however, be aware that DuroMax Power Equipment may deny you warranty coverage if your small off-road engine or a part has failed due to abuse, neglect, improper maintenance or unapproved modifications.
  • Page 52 If the part fails prior to the first scheduled replacement, the part must be repaired or replaced by DuroMax Power Equipment according to Subsection (4) below. Any such part repaired or replaced under warranty must be warranted for the remainder of the period prior to the first scheduled replacement point for the part.
  • Page 53 (iii) Distribution manifold. (6) Catalyst or Thermal Reactor System (i) Catalytic converter. (ii) Thermal reactor. (iii) Exhaust manifold. DuroMax Power Equipment will furnish with each new engine written instructions for the maintenance and use of the engine by the owner...
  • Page 54 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 56 5800 Ontario Mills Parkway Ontario, CA 91764 United States 844-DUROMAX REV: XPxxxWP_rev06082022 XPxxxWP-MANUAL...

This manual is also suitable for:

Xp652wpXp650wpXp904wp

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