DUROMAX DuroStar DS1050 User Manual Download Page 10

QUICK START GUIDE

Add gasoline mix

The fuel cap is located on top of the fuel tank. Fill the tank 
with fresh unleaded gasoline 87 octane or higher mixed 
50:1 with 2-Stroke Oil. The tank is full when you see fuel in 

the bottom of the fuel filter cup. 

1.

Turn gas valve on

The gas valve is located above the recoil start on the 
bottom of the fuel tank. Rotate the valve clockwise to the 
vertical position to turn on the gas supply.

2.

10

Close choke

The choke lever is located above the air filter to the left 

of the recoil start. Slide the lever to the right to cut the air 
supply and allow more gas into the engine to start.

3.

Pull recoil start

Pull the recoil start handle quickly the complete length of the 

rope and then let it retract slowly. The unit will generally start 

within 3 pulls.  

CAUTION: DO NOT

 let go of the handle while 

the rope is extended this may cause damage to yourself or 

your machine.

5.

Flip engine switch to ON

The engine switch is located on the left side of the front 
power panel. Flip the switch to on.

4.

Summary of Contents for DuroStar DS1050

Page 1: ...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 REV DS1050 04022018 ...

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Page 3: ...nents 12 Package Contents 14 Introduction 3 Check the Gas Level 20 Starting the Generator 21 Starting the Generator 2 Adding Gasoline Mix 16 Grounding the Generator 17 High Altitude Operation 17 Generator Setup 4 AC Usage 24 Connecting a Load to the Generator 26 DC Usage 28 Using the Generator ...

Page 4: ...32 Maintenance Log 33 Cleaning the Air Cleaner 34 Spark Plug Maintenance 36 Storage and Transportation 38 Specifications 39 44 Basic Troubleshooting 42 Wiring Diagram 43 Maintenance and Care Warranty Troubleshooting 8 48 Contact Information ...

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Page 6: ...orm that knocks out power dewatering a flooded property or washing away a deck for the summer season Engines that are certified to comply with U S EPA emission regulations for SORE Small off Road Equipment are certified to operate on regular unleaded gasoline and may include the following emission control systems EM Engine Modifications and TWC Three Way Catalyst if so equipped 6 STOP Please do no...

Page 7: ... 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 in ...

Page 8: ...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 Generator should only be plugged into electrical devices either directly or with an extension cord NEVER connect to a building electrical system without a qua...

Page 9: ...ition to the above safety notices please familiarize yourself with the safety and hazard markings on the generator GENERAL SAFETY PROCEDURES 9 Exhuast outlet and muffler will become extremely hot Do Not Touch ...

Page 10: ...n the gas supply 2 10 Close choke The choke lever is located above the air filter to the left of the recoil start Slide the lever to the right to cut the air supply and allow more gas into the engine to start 3 Pull recoil start Pull the recoil start handle quickly the complete length of the rope and then let it retract slowly The unit will generally start within 3 pulls CAUTION DO NOT let go of t...

Page 11: ...the left of the recoil start Slide the lever to the left to open the choke and increase air into the carburetor for normal running 6 Turn breaker on connect devices Connect your devices to the receptacles on the front panel Start with the largest loads first 7 11 ...

Page 12: ...stricted to assist in starting the engine 3 Circuit Breaker Resettable switch that protects the generator from electrical overload 4 Engine Switch 3 Position Switch to Start Run or turn Off the generator 5 110v 3 Prong Receptacle Use to connect electrical devices that run 110 Volt 60 Hz single phase AC current NEMA 5 20 6 Ground Terminal Connect a ground wire here to properly ground the generator ...

Page 13: ...dle for convenient transportation 10 Muffler Reduces engine emissions and reduces nois 11 Spark Plug Provides ignition spark for the engine 12 Recoil Start Easy Pull Recoil Start to start the engine without the electric start 13 Fuel Valve On Off Valve that allows fuel into the engine 13 13 Fuel Valve 12 Recoil Start ...

Page 14: ...o see that all of the following items are included with your generator Note Actual tools may differ in appearance or design from image shown 14 Charging Cables Used to charge Automotive style 12V Batteries Spark Plug Wrench Used in spark plug maintenance inspection and installation ...

Page 15: ...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 ...

Page 16: ...r model d Replace fuel cap and wipe up any spilled gasoline with a dry cloth NOTE Gas can expand Do not fill the gas tank to the very top Leave a minimum of 1 5 in of open space IMPORTANT Always use a 50 1 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 ext...

Page 17: ... 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 5 000 feet 1 500 meters have a dealer perform this carburetor modification This engine when operated at high altitude with the carburetor modifications ...

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Page 19: ...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 20: ...ny spilled gasoline with a dry cloth NOTE Gas can expand Do not fill the gas tank to the very top Leave a minimum of 1 5 in of open space IMPORTANT Always use a 50 1 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 t...

Page 21: ... 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 the front power panel Flip the switch to on 1 2 3 Pull recoil start Pull the recoil start handle quickly the complete length of the rope and then let it retract slowly The unit will generally start within 3 pulls CAUTION DO NOT let go of t...

Page 22: ...ect all electrical loads from the generator before attempting to start 22 Open choke Push the choke to the OPEN position as the engine warms up 5 Starting the Generator Using Gasoline STARTING THE GENERATOR CONTINUED ...

Page 23: ...re 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 24: ...eed 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 by multiplying the Voltage requirement by the Amperage drawn Watts Volts x Amps I...

Page 25: ...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 26: ...devices can be directly connected to the 110v ONLY receptacles Plug in devices Plug in devices to the appropriate receptacle 1 CAUTION Do not connect 50Hz or 3 phase loads to the generator CAUTION Do not connect 240V loads to the generator 26 Turn on connected devices Start or turn on appliances starting with the biggest loads first 2 ...

Page 27: ...ctrical device See table below for recommended cords based on the power requirement of the electrical device DEVICE REQUIREMENTS WIRE GAUGE BY LENGTH ft AMPS WATTS 120 240V 10 25 50 100 150 5 600 1200 18 16 14 12 10 10 1200 2400 16 14 12 10 8 15 1800 3600 14 12 10 8 6 20 2400 4800 12 10 8 6 4 25 3000 6000 10 8 6 4 4 30 3600 7200 8 6 4 4 NR 40 4800 9600 6 4 4 NR NR 50 6000 1200 4 4 2 NR NR NR NOT R...

Page 28: ...enerator USING THE GENERATOR CONTINUED DC Usage Connect the battery Plug in the charging wire Start Generator Connect one charging wire to the positive terminal on the battery and the other charging wire to the negative terminal on the battery Plug in the DC charging wire to the outlet on the generator Turn the engine switch on and pull the recoil rope to start the genertor 1 2 3 28 ...

Page 29: ...hen charging a battery DANGER If battery acid gets on your skin flush with water If battery acid gets in your eyes flush with water and call a physician immediately DANGER If battery acid is swallowed drink large quantities of milk and call a Physician immediately 29 Charge the battery Allow the generator to run and charge the battery Charge time may vary based on battery size and age 4 Disconnect...

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Page 31: ...nce and storage of your generator is 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 smooth and efficient for years to come 31 ...

Page 32: ...ions and schedules in this instruction manual Make sure the engine is off before you begin any maintenance or repairs Let the engine and exhaust system cool before touching To reduce the possibility of fire or explosion be careful when working around gasoline Use only a nonflammable solvent not gasoline to clean parts Keep cigarettes sparks and flames away from all fuel related parts SERVICE REGUL...

Page 33: ...MAINTENANCE LOG Date Generator Hours Maintenance Performed 33 ...

Page 34: ...ss air to enter the engine or dirty air to enter the engine causing overheating and engine wear MAINTENANCE AND CARE CONTINUED Cleaning the air cleaner Open cleaner cover Remove cleaner element Wipe out cleaner casing Unhinge the clasps at the top and bottom of the air cleaner cover Remove the sponge like elements from the casing Wipe the dirt from inside the empty air cleaner casing 1 2 3 34 ...

Page 35: ...and replace the cover 7 35 Wash cleaner element Wash the sponge like elements in household dish detergent and warm water 4 Dry cleaner element Allow the elements to dry completely 5 6 Add engine oil to elements Soak the dry elements in a small amount of engine oil Ring out any excess oil ...

Page 36: ... plug threads Spark Plug Maintenance Remove spark plug cap Remove spark plug Inspect spark plug 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 with a new spark plug We recommend using a F5TC spark plug such as NGK BPR5ES 1 2 3 MAI...

Page 37: ...nd re gap Replace spark plug Replace spark plug cap 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 Screw the spark plug back into its place on the generator using the spark plug wrench Replace the spark plug cap 5 6 7 37 ...

Page 38: ...inutes 3 Turn off the fuel valve 4 Allow the unit to stall out 5 Turn off the key 6 Add fuel stabilizer to the gas remaining in the tank 7 Store If you do not plan to start the unit for longer than 30 days 1 Turn off the main breaker 2 Allow the unit to run 3 5 minutes 3 Turn off the fuel valve 4 Allow the unit to stall out 5 Turn off the key 6 Drain the fuel tank See Emptying the Gas Tank in the ...

Page 39: ...ency 60 Hz AC Phase Single DC Voltage 12V DC Amperage 5 3A Dimensions LENGTH 14in WIDTH 12in HEIGHT 13 5in Engine Type 2 Stroke Forced Air Ignition System Non Contact Transistor Displacement 63cc Starting Type Recoil Fuel Tank Capacity 1 05 US Gal 4L Run Time 50 Gasoline 6 hr Fuel Oil Mix 50 1 Noise Level 95db 39 ...

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Page 41: ...TROUBLESHOOTING This section of the manual is to help you troubleshoot problems with your generator ...

Page 42: ...r is not level Move generator to a level surface 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 redu...

Page 43: ...WIRING DIAGRAM 43 ...

Page 44: ...RRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The U S Environmental Protection Agency EPA California Air Resources Board and Imperial Industrial Supply Co LTD DuroMax Power Equipment are pleased to explain the emissions control system s warranty on your 2018 small off road engine In California new equipment that use small off road engines must be designed built and equipped to meet the Sta...

Page 45: ...any questions regarding your warranty coverage contact us at 844 DUROMAX or email support duromaxpowerequipment com DEFECTS WARRANTY REQUIREMENTS The warranty period begins on the date the engine or equipment is delivered to an ultimate purchaser and extends for a period of Two Years GENERAL EMISSIONS WARRANTY COVERAGE DuroMax Power Equipment warrants to the ultimate purchaser and each subsequent ...

Page 46: ...anufacturer distribution centers that are franchised to service the subject engines 5 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 6 The manufacturer is liable for damages to other engine components proximately caused by a failure under warranty of ...

Page 47: ...ermal Reactor System i Catalytic converter i Thermal reactor ii Exhaust manifold 6 Particulate Controls 7 Traps filters precipitators and any other device used to capture particulate emissions 8 Electronic controls 9 Vacuum temperature and time sensitive valves and switches 10 Hoses belts connectors and assemblies 11 Evaporative Emission Warranty Part List i Fuel Tank ii Fuel Cap iii Fuel Line iv ...

Page 48: ... 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 5pm PST Website www duromaxpower com Email customerservice duromaxpower com 48 ...

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Page 50: ...5800 Ontario Mills Parkway Ontario CA 91764 United States 844 DUROMAX ...

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