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OPM-128/E

TABLE OF CONTENTS

SAVE THESE INSTRUCTIONS 

2

SPECIFICATIONS 3

GENERATOR
ENGINE

TESTING POLICY 

3

SAFETY INFORMATION 

4

CALIFORNIA PROPOSITION 65
ANSI SAFETY DEFINITIONS

INTRODUCTION 5

INTENDED USES
RESTRICTED USES

UNIT CAPABILITIES 

5

GENERATOR CONNECTIONS
STARTING ELECTRIC MOTORS

PREPARING THE UNIT  

6

UNPACKING
LUBRICATION
OIL RECOMMENDATIONS
OIL ALERT SYSTEM
GASOLINE
LIFTING EYE INSTALLATION
OPTIONAL DOLLY KIT

INITIAL START UP 

7

BASIC OPERATION

CONNECTING THE LOADS 

8

APPLYING THE LOADS
STARTING HINTS
STOPPING AND STORING
GROUNDING
WIRING

YOURGEN  

10

ENGINE CARE 

12

MAINTENANCE SCHEDULE
CHECKING THE OIL LEVEL
CHANGING THE OIL
DUAL ELEMENT AIR FILTER
SEDIMENT CUP
SPARK PLUG
CARBON CANISTER

GENERATOR CARE 

13

EXERCISING THE GENERATOR
GENERATOR MAINTENANCE
CLEANING

TROUBLESHOOTING 14

RECEPTACLE WIRING DIAGRAM 

15

36 MONTH LIMITED WARRANTY 

16

CA EMISSION CONTROL WARRANTY  16

SAVE THESE INSTRUCTIONS

This manual contains important instructions that should 

be followed during installation and maintenance of the 

generator. Read and understand all instructions in the 

manual before starting and operating the generator.

USING THIS MANUAL

Congratulations on your choice of a WINCO generator. 

You have selected a high-quality, precision-engineered 

generator designed and tested to give you years of 

satisfactory service.

To get the best performance from your new generator, it is 

important that you carefully read and follow the operating 

instructions in this manual.

Should you experience a problem please follow the 

“Troubleshooting Tables” near the end of this manual. 

The warranty listed in the manual describes what you can 

expect from WINCO should you need service assistance in 

the future.

Summary of Contents for DP5000-03/A

Page 1: ...E No other WINCO generator has the same serial number as yours If you should ever need to contact us on this unit it will help us to respond to your needs faster MODEL __________________________________________________ SERIAL NUMBER _________________________________________ PURCHASE DATE _________________________________________ DEALER NAME ___________________________________________ DEALER PHONE ...

Page 2: ...R GENERATOR MAINTENANCE CLEANING TROUBLESHOOTING 14 RECEPTACLE WIRING DIAGRAM 15 36 MONTH LIMITED WARRANTY 16 CA EMISSION CONTROL WARRANTY 16 SAVE THESE INSTRUCTIONS This manual contains important instructions that should be followed during installation and maintenance of the generator Read and understand all instructions in the manual before starting and operating the generator USING THIS MANUAL ...

Page 3: ...mber 16346 612 ENGINE Engine Manufacturer Honda Engine Model Number GX270 Type RT2VMT2 Code GCBGT Oil Capacity 38 4 oz 1 2 qts TESTING POLICY Before any generator is shipped from the factory it is fully checked for performance The generator is loaded to its full capacity and the voltage current and frequency are carefully checked Rated output of generator is based on engineering tests of typical u...

Page 4: ...can result in potentially deadly hazards from electrical shock exhaust gas asphyxiation or fire Please read all safety instructions carefully before installation or use Keep these instructions handy for future reference Take special note and follow all warnings on the unit labels and in the manuals CALIFORNIA PROPOSITION 65 WARNING This product contains crude oil gasoline diesel fuel and other pet...

Page 5: ...s can be drawn from the receptacles attached to either A or B output legs This generator is capable of producing 37 5 Amps of 240 volt current at C Check the appliance or tool nameplates for the current and voltage to insure compatibility Remember that power taken from C reduces the power available equally at both A and B and vice versa STARTING ELECTRIC MOTORS Electric motors require much more cu...

Page 6: ...s been out of operation for an extended period of time it is best to drain old fuel from the engine and replace with fresh fuel before attempting to start See the engine manual for special instruction for operating this unit at over 5000 feet PREPARING THE UNIT UNPACKING CAUTION EQUIPMENT DAMAGE THIS UNIT HAS BEEN SHIPPED WITH OIL Failure to maintain the engine oil at the proper level will result ...

Page 7: ...be at the full mark before the engine will start and run BASIC OPERATION 1 Check oil level refill as needed 2 Move the fuel valve lever to the ON position 3 To Start a cold engine move the choke rod to the CLOSED position 4 Move the throttle lever away from the MIN position about 1 3 of the way toward the MAX position 5 Turn the engine switch to the ON position 6 Operate the starter This engine is...

Page 8: ...ither the receptacles or the generator The generator is a limited source of electrical power therefore pay special attention to the receptacle and generator ratings The nameplate rating can be obtained through a single receptacle as long as the receptacles amperage rating is not exceeded CAUTION EQUIPMENT DAMAGE Never permit the choke to remain on after the engine has run for a short time It is no...

Page 9: ...PERSONAL DANGER A fully isolated double pole double throw manual transfer switch must be installed any time a generator is being connected to an existing distribution system 1 These engine generator sets are designed for portable heavy duty commercial use Receptacles are provided on the control panel to permit 120 and 240 Volt portable appliances and tools to be plugged directly into them A 4 wire...

Page 10: ...ad This will ensure the generator is balanced Balanced Unbalanced YOURGEN The WINCO YourGen meter allows you to see useful information about your generator from the front panel by displaying RPMs Voltage frequency load hours and maintenance reminders It also has the ability to display warnings if any parameter gets outside of normal operation range Cycle Button During normal operation the display ...

Page 11: ...equire more frequent oil changes Alarms The display will start blinking and toggle to the first parameter that is out of specification The panel will remain flashing until the fault condition returns to within the acceptable range see following table Acceptable Range Frequency 57 63 Hz Voltage 110VAC 130VAC VAC1 VAC2 220VAC 260VAC Battery When the unit is off the YourGen meter will display the hou...

Page 12: ...ded service period Service more often under dusty conditions WARNING EQUIPMENT DAMAGE Never start or run the engine with the air filter removed This will allow dirt to enter the engine causing rapid engine wear This type of damage is not covered under warranty 1 Unsnap the air cleaner cover clips remove the air cleaner cover and remove the air filter element ENGINE CARE MAINTENANCE SCHEDULE If maj...

Page 13: ...ld be operated every three to four weeks It should be operated for a period of time sufficient to warm the unit up and to dry out any moisture that has accumulated in the windings If left this moisture can cause corrosion in the winding Frequent operation of the engine generator set will also ensure that the set is operating properly should it be needed in an emergency GENERATOR MAINTENANCE Any ma...

Page 14: ...ective capacitor Circuit breaker trips Defective load Defective receptacle Excessive load Problem Possible Causes Voltage too high Engine speed is too high Generator overheating Overloaded Insufficient ventilation No output voltage Short in load disconnect Tripped or defective circuit breaker Broken or loose wire Defective receptacle No residual magnetism in generator Defective stator Defective ro...

Page 15: ...15 OPM 128 E RECEPTACLE WIRING DIAGRAM G2 G2 N N N N N N N G2 G2 G1 G1 G1 G1 GND GND GND GND ...

Page 16: ...be furnished upon request THERE ARE NO EXPRESS WARRANTIES OTHER THAN THOSE DESCRIBED HEREIN THERE ARE NO OTHER WARRANTIES EXPRESSED OR IMPLIED OR OTHERWISE CREATED INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY OR WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE WINCO is liable for the repair or replacement of the product only and is not liable for incidental or consequential damages as ...

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