DUROMAX DUAL FUEL XP7500DX Page 74 User Manual Download

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CUSTOMER SERVICE

Duromax Power Equipment is committed to ensuring that our products perform when they need
to. Our generators are your lifeline in the event of an emergency. Should you have any problems,
please contact our customer service department:

DUROMAX POWER EQUIPMENT

5800 Ontario Mills Parkway

Ontario, CA 91764

Customer Service: 844-DUROMAX

Customer Service Hours: 8-5 pm PST

Website: www.duromaxpower.com

Email: [email protected]

Summary of Contents for DUAL FUEL XP7500DX

Page 1: ...ts We have made every effort to ensure the accuracy of the information in this manual We reserve the right to change this product at any time without prior notice 5800 Ontario Mills Pkwy Ontario CA 91764 USA www duromaxpower com Call our Customer Care Team Toll Free 8 5pm PST Mon Fri 844 DUROMAX User Manual ...

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Page 3: ...Using Propane 36 Starting the Generator Using Recoil Start 38 Starting the Generator 3 Wheel Kit Installation 24 Connect the Battery 26 Adding Oil 27 Adding Gasoline 28 Grounding the Generator 29 High Altitude Operation 29 Generator Setup 5 AC Usage 44 Connecting a Load to the Generator 46 Using the Generator 2 Quick Start Guide Gasoline 16 Quick Start Guide Propane 18 Generator Components 20 Pack...

Page 4: ...e Air Filter 54 Spark Plug Maintenance 56 Cleaning the Fuel Filter Cup 58 Storage and Transportation 59 Specifications 60 70 Basic Troubleshooting 62 Changing Inspecting the Carbon Brushes 63 Changing Inspecting the AVR 65 Wiring Diagram 68 Maintenance and Care Warranty Troubleshooting 9 74 Contact Information ...

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Page 6: ...daily lives Inevitability when disaster strikes and we are left without power for a prolonged period of time our way of life is put at risk This is by far the most critical time for reliable portable power DUROMAX FOR WORK On the job site portable power allows you the ability to get work done in remote locations when traditional power sources are usually unavailable Equipment like table saws sande...

Page 7: ... simple we are committed to Powering Everyone Anywhere STOP Please do not return to the store DuroMax representatives are ready to help you with any questions concerns or issues about your new product We can guide you through assembly start up and how to operate your new generator We want you to be able to put your new generator to use right away CALL US BEFORE YOU CONSIDER RETURNING THE PRODUCT 1...

Page 8: ...st can exceed 150 F 65 C Do not touch hot surfaces Pay attention to warning labels on the generator denoting hot parts of the machine Allow generator to cool several minutes after use before touching engine or areas which heat during use 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 i...

Page 9: ...lve to the off position and disconnect the spark plug WARNING This generator produces a powerful voltage which can result in electrocution ALWAYS ground the generator before using it see the Grounding the Generator portion of the PREPARlNG THE GENERATOR FOR USE section The generator should only be plugged into electrical devices either directly or with an extension cord NEVER connect to a building...

Page 10: ...bove safety notices please familiarize yourself with the safety and hazard markings on the generator GENERAL SAFETY PROCEDURES DANGER DO NOT OVERFILL THE GAS TANK OVERFILLING CAN RESULT IN A FIRE EXPLOSION OR DEATH 1 5 10 ...

Page 11: ...DON T TOUCH CAUTION HIGH TEMPERATURE DANGER HOT EXHAUST KEEP SAFE DISTANCE DON T TOUCH BURN RISK CARBON MONOXIDE SAFE DISTANCE 11 ...

Page 12: ...detector for your home the CO Alert tests the air for to keep you safe and healthy CO Detected If dangerous carbon monoxide levels are detected Generators are convenient but they can also be dangerous All fuel burning appliances and equipment release a poisonous gas called carbon monoxide Carbon monoxide also known as CO can be dangerous for humans and pets even in small amounts because it blocks ...

Page 13: ...utely mandatory to keep your family safe from carbon monoxide But there s even more you can do By educating yourself about all carbon monoxide risks you ll be better prepared to protect your family from this colorless odorless threat Visit takeyourgeneratoroutside com for more information ...

Page 14: ...ice in the future If you have a paper receipt staple it here for easy reference If you purchased the unit online save the email receipt where you can access it and record your details here for convenience in the future Purchase Date ____________________________________________ Order Number ____________________________________________ Retailer Name _____________________________________________ Seri...

Page 15: ...QUICK START The Quick Start of your generator is the minimum necessary setup that will get you going as soon as possible Be sure to read the instructions starting on pg 25 for full setup instructions ...

Page 16: ...position to turn on the gas supply 4 Add oil The oil fill cap is located on the lower engine block to the right of the recoil start housing Remove the oil fill cap and fill with 20 oz of 10w30 oil 1 Turn breaker off The breaker is located on the right side of the front power panel Flip the breaker down to prevent accidental load when starting the generator 3 Close choke The choke lever is located ...

Page 17: ...es to the receptacles on the front panel Start with the largest loads first 9 Start generator The switch is located on the left side of the front power panel Press the switch up to the start position to start the generator Allow the switch to return to the run position once started 6 Turn breaker on The breaker is located on the right side of the front power panel Flip the breaker up to allow the ...

Page 18: ... regulator decompression valve is located on the left side of the front panel Ensure the propane hose is securely connected to the regulator compression valve 4 Turn the gas valve off The gas valve is located above the recoil start on the bottom of the fuel tank Rotate the valve clockwise to the horizontal position to stop the flow of gasoline to the carburetor 3 Add oil The oil fill cap is locate...

Page 19: ...the receptacles Connect your devices to the receptacles on the front panel Start with the largest loads first 9 6 Open choke The choke lever is located above the air filter to the left of the recoil start Slide the lever to the right to open the choke and increase air into the carburetor for normal running 8 Start generator The engine switch is located on the left side of the front power panel Pre...

Page 20: ...gine 4 Choke Lever Allows the airflow into the carburetor to be restricted to assist in starting the engine 5 Fuel Cap Allows access to fill the gasoline tank 6 Ground Terminal Connect a ground wire here to properly ground the generator 7 Battery 12V DC 9ah Battery that powers the Electric Start System 8 Oil Fill and Dipstick Use to add or check the oil 9 Propane Inlet Attach the included propane ...

Page 21: ...rrent NEMA 5 20 14 120 240v 4 Prong Twist Lock Use to connect electrical devices that run 120 or 240 Volt 60Hz single phase AC current NEMA L14 30 15 Circuit Breaker Resettable switch that protects the generator from electrical overload 16 AC Breaker 20A resettable breaker to protect the 20A GFCI Receptacle from accidental overload 17 Power Boost DuroMax exclusive Power Boost doubles the amperage ...

Page 22: ...park Plug Wrench Plug Ends Phillips and slot blade screwdriver used for generator maintenance Used to add oil to the generator without messy spills Assorted wrenches used in generator maintenance and assembly 10mm 12mm and 13mm 15mm Used in spark plug maintenance inspection and installation Plug heads for the receptacles found on the generator are included to make or rewire your own cords 22 Propa...

Page 23: ...GENERATOR SETUP Proper setup of your generator will get you going as soon as possible while making sure you and your equipment are safe and cared for 23 ...

Page 24: ...ashers a Place one of the large washers onto both sides of the axle behind the wheel 4 Install wheel axle a Insert wheel axle bolts through the frame and secure with the provided nut and wrenches 2 GENERATOR SETUP CONTINUED Install wheel axle bracket a Insert wheel axle bracket bolts through the frame and secure with the provided nut and wrenches 3 24 ...

Page 25: ...o secure the wheels 7 Install outside wheel washers a Place the other large washers onto each side the axle in front of the wheel 6 Install handles a Attach the handles to the brackets on the frame using the provided bolts and nuts b Flip the assembled generator over onto its wheels and support brackets Do not over tighten the handles it will prevent free movement 8 ...

Page 26: ... on arrival 1 Locate the cable a Locate both loose sides of the battery cable clip 2 Connect the cable a Securely connect the battery cable clip 3 The generator battery is disconnected on arrival to prevent discharge or accidental starting in storage and transportation ...

Page 27: ... service life a Make sure the generator is on a level surface b Unscrew the oil filler dipstick cap from the engine c Using a funnel add the appropriate amount of oil into the crankcase You will know the crankcase is full when the oil level has reached the lower lip of the opening you have just poured the oil into d Replace the oil filler cap Step 3 Adding Oil Engine oil recommended SAE 10W 30 Vis...

Page 28: ...ns smoothly use only FRESH UNLEADED GAS WITH AN OCTANE RATING OF 87 OR HIGHER Never use an oil gasoline mixture Never use old gas Avoid getting dirt or water in the fuel tank Gas can age in the tank and make it hard to start up the generator in the future Never store generator for extended periods of time with fuel in the tank Model Number XP7500DX Gas Tank Capacity 5 3 US Gal 20 L DANGER DO NOT O...

Page 29: ...at differs from that at which this engine was certified for extended periods of time may increase emissions High altitude performance can be improved by specific modifications to the carburetor If you always operate your generator at altitudes above 3 000 feet 900 meters have a dealer perform this carburetor modification This engine when operated at high altitude with the carburetor modifications ...

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Page 31: ...e 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 GENERATOR SETUP If you have not yet read this section go back and read it now ...

Page 32: ... the oil filler dipstick cap c With a dry cloth wipe the oil off of the stick on the inside of the cap d Insert the dipstick as if you were replacing the cap and then remove it again There should now be oil on the stick If there is no oil on the stick or oil only at the very end of the stick you should add oil until the engine crankcase is filled see Adding Oil portion of the Maintenance section e...

Page 33: ...the gas level Optional DANGER DO NOT OVERFILL THE GAS TANK OVERFILLING CAN RESULT IN A FIRE EXPLOSION OR DEATH 1 5 WARNING Gasoline and gasoline fumes are highly flammable Do not fill the tank near an open flame Always allow the engine to cool for several minutes before refueling DO NOT overfill the fuel tank Fuel expands when shaken or heated ALWAY leave 11 2 space or more at the top of the tank ...

Page 34: ... generator The gas valve is located above the recoil start on the bottom of the fuel tank Rotate the valve counterclockwise to the vertical position to turn on the gas supply The choke lever is located above the air filter to the left of the recoil start Slide the lever to the left to cut the air supply and allow more gas into the engine to start The engine switch is located on the left side of th...

Page 35: ...ting to start WARNING Operating the starter motor for more than 5 seconds can damage the motor If the engine fails to start release the switch and wait 10 seconds before operating the starter again Allow switch return to RUN When the engine starts allow the engine switch to return to the RUN position 5 Open choke Push the choke to the OPEN position as the engine warms up 6 ...

Page 36: ... Screw the open ACME nut connection to your propane tank and turn the tank on 3 4 Turn breaker off The breaker is located on the right side of the front power panel Flip the breaker down to prevent accidental load when starting the generator 1 Turn the gas valve off The gas valve is located above the recoil start on the bottom of the fuel tank Rotate the valve clockwise to the horizontal position ...

Page 37: ...ine switch is located on the left side of the front power panel Press the switch up to the START Position When the engine starts allow the engine switch to return to the RUN position Close choke The choke lever is located above the air filter to the left of the recoil start Slide the lever to the left to cut the air supply and allow more gas into the engine to start 5 Start the generator 6 Open ch...

Page 38: ...eady engine performance for several minutes 3 If the propane gas leaks shut off the LPG supply first and then quickly unplug or turn off any electrical devices powered by the unit 4 When stopping the engine unplug or turn off any electrical devices turn off the Main Circuit Breaker and then turn off the LPG Supply After the engine has stopped turn the Switch to the OFF position CAUTION Disconnect ...

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Page 40: ...ator 1 Select your fuel Turn engine switch to Run If using gasoline see step 2 on pg 36 If using propane see steps 2 4 on pg 38 The engine switch is located on the left side of the front power panel Press the engine switch to the RUN position 2 Close choke The choke lever is located above the air filter to the left of the recoil start Slide the lever to the left to cut the air supply and allow mor...

Page 41: ...eft side panel next to the air filter Pull the recoil handle slowly until resistance is felt then quickly pull the recoil handle until fully extended 5 Open choke After the engine has started Push the choke to the OPEN position as the engine warms up 6 Turn breaker on connect The breaker is located on the right side of the front power panel Flip the breaker up to allow the power to flow to the rec...

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Page 43: ... 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 GENERATOR SETUP if you have not yet read this section go back and read it now 43 ...

Page 44: ...ge requirement of the electrical devices connected to the generator should not exceed the rated wattage of the generator itself To calculate the total wattage requirement of the electrical devices you wish to connect find the rated or running wattage of each device This number should be listed somewhere on the device or in its instruction manual If you cannot find this wattage you may calculate it...

Page 45: ...ectric drill 600 900 Television 500 0 Deep freezer 500 800 Garage door opener 480 600 Stereo 400 0 Box fan 300 600 Clock radio 300 0 Security system 180 0 DVD Player 100 0 Common light bulb 75 0 CAUTION The generator can only run at its surge wattage capacity for a very short time Connect only electrical devices requiring a rated running wattage equal to or less than the rated wattage of the gener...

Page 46: ...Y be connected to the 240v receptacle Plug in devices Turn breaker on Turn on connected devices Plug in devices to the appropriate receptacle When using the generator balance the load as closely as possible Placing more load on one side of the circuit will reduce the breaker trip period Flip the circuit breaker up to the on position to allow power to the receptacles Start or turn on appliances sta...

Page 47: ...st be in the 120 240V position If only 120V appliances are being connected to the generator select the 120V ONLY position to double the 120v amperage and automatically balance the load Long or thin cords can drain the power provided to an electrical device by the generator When using such cords allow for a slightly higher rated wattage requirement for the electrical device See table below for reco...

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Page 49: ...e and storage of your generator are essential to ensure trouble free use of your generator when you need it By following the maintenance and care requirements you can keep your generator running smoothly and efficiently for years to come 49 ...

Page 50: ...LACE SPARK ARRESTOR CLEAN IDLE SPEED CHECK ADJUST VALVE CLEARANCE CHECK ADJUST COMBUSTION CHAMBER CLEAN 500 HOURS FUEL TANK FILTER CLEAN FUEL TUBE CHECK EVERY 24 MO REPLACE IF NECESSARY TO BE PERFORMED AT MONTHS INDICATED OR HOUR INTERVAL WHICHEVER COMES FIRST 50 WARNING Improper maintenance or failure to correct a problem before operation can cause a malfunction in which you can be seriously inju...

Page 51: ...MAINTENANCE LOG Date Generator Hours Maintenance Performed 51 ...

Page 52: ...ew the oil filler dipstick cap c With a dry cloth wipe the oil off of the stick on the inside of the cap d Insert the dipstick as if you were replacing the cap and then remove it again There should now be oil on the stick If there is no oil on the stick or oil only at the very end of the stick you should add oil until the engine crankcase is filled see Adding Oil portion of the Maintenance section...

Page 53: ...to an approved oil disposal container Contact your local auto parts store for information on oil disposal 2 Replace drain plug Replace the oil drain plug and tighten with a 12 mm hex wrench 3 53 Worn out or dirty oil does not cool the generator 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...

Page 54: ...ir to enter the engine or dirty air to enter the engine causing overheating and engine wear Cleaning the air filter 54 Open the air cleaner cover Remove air cleaner cover Clean out filter casing Open the air cleaner cover clips on the right hand side of the air cleaner Remove the filter cover and set aside Wipe the dirt from inside the empty air cleaner casing 1 2 3 MAINTENANCE AND CARE CONTINUED ...

Page 55: ...r damage or excess dirt Replace the air cleaner element with a new one if damaged or dirty 4 Replace cleaner element Place the air cleaner element in the housing 5 6 Attach the air cleaner cover Close the air cleaner clips on the left hand side of the air cleaner ...

Page 56: ...lug Maintenance Remove spark plug cap Removesparkplug Inspectsparkplug Pull on the spark plug cap to remove it Unscrew the spark plug from the generator using the spark plug wrench included with this product Visually inspect the spark plug If it is cracked or chipped discard and replace it with a new spark plug We recommend using an F6RTC spark plug such as NGK BPR6ES 1 2 3 SPARK PLUG CONSULTMANUA...

Page 57: ...nd 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 5 Install spark plug Replace spark plug cap Screw the spark plug back into its place on the generator using the spark plug wrench Replace the spark plug cap 6 7 57 ...

Page 58: ...alve 4 Allow the unit to stall out 5 Turn off the engine switch 6 Drain the fuel tank 7 Drain the carburetor a Remove the drain bolt from the carburetor b Drain the small amount of remaining fuel from the carburetor bowl 8 Oil the cylinder a Remove the spark plug b Put 2 tbsp of 10w30 motor oil directly into the spark plug hole c Pull the recoil start one time d Replace the plug 9 Remove the batte...

Page 59: ... Voltage 5v DC Amperage 4 2A Dimensions LENGTH 27in WIDTH 21in HEIGHT 20in Engine Type 4 Stroke OHV Forced Air Ignition System Non Contact Transistor Displacement 274cc Starting Type Electric Fuel Tank Capacity 5 3 US Gal 20L Oil Capacity 24 fl oz 0 7L Run Time 50 Gasoline 10 hr Run Time 50 Propane 8 hr 30 lb tank Noise Level 70db ...

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Page 61: ...TROUBLESHOOTING This section of the manual is to help you troubleshoot problems with your generator 61 ...

Page 62: ... to a level surface Oil is low Add change oil Engine runs but there is no electrical output Circuit breaker is Off Turn on circuit breaker Wiring connection is bad Replace extension cord s Device connected to generator is malfunctioning Disconnect malfunctioning device Generator runs but does not support all electrical devices connected Generator is overloaded Disconnect 1 or more items to reduce ...

Page 63: ...carbon brushes are wearable parts and should be inspected every 250 running hours Remove generator cover Remove bolt from brush Disconnect AVR wires Remove the 2 bolts of the generator cover then pull the cover off the generator Remove the bolt holding the carbon brush Remove the two wires from the AVR on the carbon brush 1 2 3 ...

Page 64: ...h Install new carbon brush with bolt 4 Connect AVR wires Insert and connect the 2 wires from the AVR be sure to connect and correctly 5 6 Replace generator cover Replace the back cover of the generator and secure it with the 2 bolts TROUBLESHOOTING CONTINUED 64 ...

Page 65: ...or If the generator is overheated or overloaded the AVR may be damaged and require replacement Remove generator cover Remove AVR bolts Disconnect AVR wire clip Remove the 2 bolts of the generator cover then pull the cover off the generator Remove the 2 bolts holding the AVR Disconnect the wire clip 1 2 3 65 ...

Page 66: ...h Remove the 2 wires from the AVR on the carbon brush 4 Install new AVR Install the new AVR with the 2 bolts 5 6 Reconnect wires to brush Insert and connect the 2 wires from the AVR be sure to connect and correctly Changing Inspecting the AVR Continued TROUBLESHOOTING CONTINUED 66 ...

Page 67: ...Replace generator cover Replace the back cover of the generator and secure it with the 2 bolts 8 67 ...

Page 68: ...68 WIRING DIAGRAM ...

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Page 70: ...EXPRESSED OR IMPLIED U S EPA AND CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The California Air Resources Board The United States Environmental Protection Agency US EPA and DuroMax Power Equipment are pleased to explain the emission control system warranty on your 2021 2022 year small off road engine In the United States and California new small off road eng...

Page 71: ...844 387 6629 WEBSITE www duromaxpower com ADDRESS 5800 Ontario Mills Pkwy Ontario CA 91764 This telephone number is only for the engines which the company name DuroMax Power Equipment on the emission label DEFECTS WARRANTY REQUIREMENTS a The warranty period begins on the date the engine or equipment is delivered to an ultimate purchaser b General Emissions Warranty Coverage DuroMax Power Equipment...

Page 72: ...sions of Subsection 4 above warranty services or repairs must be provided at all DuroMax Power Equipment distribution centers that are franchised to service the subject engines 6 The owner must not be charged for diagnostic labor that leads to the determination that a warranted part is in fact defective provided that such diagnostic work is performed at a warranty station 7 DuroMax Power Equipment...

Page 73: ...or spacer if applicable ii EGR rate feedback and control system 5 Air Injection System i An air pump or pulse valve ii Valves affecting the distribution of flow iii Distribution manifold 6 Catalyst or Thermal Reactor System i Catalytic converter ii Thermal reactor iii Exhaust manifold 7 Particulate Controls i Traps filters precipitators and any other device used to capture particulate emissions 8 ...

Page 74: ...ors are your lifeline in the event of an emergency Should you have any problems please contact our customer service department DUROMAX POWER EQUIPMENT 5800 Ontario Mills Parkway Ontario CA 91764 Customer Service 844 DUROMAX Customer Service Hours 8 5 pm PST Website www duromaxpower com Email customerservice duromaxpower com ...

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Page 76: ...5800 Ontario Mills Parkway Ontario CA 91764 United States 844 DUROMAX REV XP7500DX 10082021 ...

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