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OPM-137/D

SAFETY

IMPORTANT SAFETY INSTRUCTIONS

This engine generator set has been designed and 
manufactured to allow safe, reliable performance. Poor 
maintenance, improper or careless use can result in 
potentially deadly hazards; from electrical shock, 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.

SAFETY DEFINITIONS

DANGER

Indicates an imminently hazardous situation 
which, if not avoided, will result in death or 
serious injury. 

WARNING

Indicates a potentially hazardous situation 
which, if not avoided, could result in death 
or serious injury.

CAUTION

Indicates a potentially hazardous situation 
which, if not avoided, may result in minor or 
moderate injury. It may also be used to alert 
against unsafe practices.

CALIFORNIA PROPOSITION 65

WARNING: This product contains crude oil, 
gasoline, diesel fuel and other petroleum 
products, Antifreeze to which can expose you 
to chemicals including toluene and benzene, 

Ethylene glycol (ingested) which are known to the 
State of California to cause cancer, birth defects or other 
reproductive harm and developmental issues. 
For more information go to www.P65Warning.ca.gov.

DANGER: ELECTRICAL SHOCK 

The output voltage present in this equipment can cause 
fatal electric shock. This equipment must be operated by a 
responsible person.
 

A. Do not allow anyone to operate the generator 

   without 

proper 

instruction.

 

B. Guard against electric shock.

 

C. Avoid contact with live terminals or receptacles.

 

D. Use extreme care if operating this unit in rain or 

   snow.
 

E. Use only three-pronged grounded receptacles 

   and 

extension 

cords.

 

F. Be sure the unit is properly grounded for your 

   application.

WARNING: FIRE HAZARD

Gasoline and other fuels present a hazard of possible 
explosion and/or fire.
 

A. Do not refuel when the engine is running or hot.

 

B. Keep fuel containers out of reach of children.

 

C. Do not smoke or use open flame near the 

      generator set or fuel tank.
 

D. Keep a fire extinguisher nearby and know its 

      proper use. Fire extinguishers rated ABC by 
   NFPA 

are 

appropriate.

 

E. Store fuel only in an approved container, and 

      only in a well ventilated area.
 

F. Follow local codes for closeness to combustible 

   material.

CAUTION: PERSONAL INJURY

The muffler becomes very hot during operation and for a 
period after the unit has been turned off. Do not touch the 
muffler until it has completely cooled off.

CAUTION: NOISE HAZARD

Excessive noise is not only tiring, but continual exposure 
can lead to loss of hearing.
 

A. Use hearing protection when working around 

      this equipment for long periods of time.
 

B. Keep your neighbors in mind when using this 

   equipment.

CAUTION

Keep the generator and surrounding area clean.
 

A. Remove all grease, ice, snow or materials that 

      create slippery conditions around the unit.
 

B. Remove any rags or other materials that could 

      create a potential fire hazard.
 

C. Carefully clean up any gas or oil spills before 

   starting 

the 

unit.

CAUTION

All service, including the installation or replacement of 
service parts, should be performed only by a qualified 
technician.
 

A. Use only factory approved repair parts.

 

B. Do not work on this equipment when fatigued.

 

C. Never remove the protective guards, covers, or 

      receptacle panels while the engine is running.
 

D. Use extreme caution when working on electrical 

      components. High output voltage from this 
      equipment can cause serious injury or death.
 

E. Always avoid hot mufflers, exhaust manifolds, 

      and engine parts. They can cause severe burns 
   instantly.
 

F. The use of the engine-generator set must comply 

      with all national, state, and local codes.

Summary of Contents for 50PTOC4-03/1

Page 1: ...uld ever need to contact us concerning this unit it will help us to respond to your needs faster MODEL __________________________________________________ SERIAL NUMBER ________________________________...

Page 2: ...THREE PHASE 277 480V THREE PHASE 36 MONTH LIMITED WARRANTY 20 LIMITED WARRANTY 20 SAVE THESE INSTRUCTIONS This manual contains important instructions that should be followed during installation and ma...

Page 3: ...unit is properly grounded for your application WARNING FIRE HAZARD Gasoline and other fuels present a hazard of possible explosion and or fire A Do not refuel when the engine is running or hot B Keep...

Page 4: ...RPM AVR AS440 Input Shaft 1 3 8 6 spline Required Tractor PTO HP100 Gear Lube Volume 0 875 Pint Type SAE 80 90W 140 50PTOC4 17 1 Watts 50 000 Volts 120 240 Phase Three Amps 120 Input Speed 540 RPM Gen...

Page 5: ...han required for full power operation The generator will work but produce only as much kW output as the tractor can supply HP for For example a 20 HP output tractor will deliver a maximum of approxima...

Page 6: ...is noted it is always easiest to refuse the shipment and let WINCO take care of the freight claim If you sign for the unit the transfer of the ownership requires that you file the freight claim 2 Bef...

Page 7: ...g on flat level ground All four deck pads must be in constant contact with the ground at all times This will reduce the vibration in both the generator and the tumbling bar C For safety the generator...

Page 8: ...the following diagrams A properly rated and installed double throw manual power isolation transfer switch must be used with a standby generator The transfer switch isolates the load from the power li...

Page 9: ...k 7 8 of an inch and inserted into one of the contacts in the plug kit You will then either need to solder them together using a good grade of resin core solder or they can be crimped with an appropri...

Page 10: ...TS WITH EMERGENCY POWER IMPORTANT When making standby service hook up make sure load to be transferred to standby generator will not exceed generator rating Watthour Meter Watthour Meter To Power Line...

Page 11: ...e load disconnect receptacle is the largest gray receptacle on the generator output panel To aid in determining how much load can be applied to the generator and how it should be distributed among the...

Page 12: ...he gearcase marked OIL LEVEL To refill oil see LUBRICATION in the MAINTENANCE section in this manual NOTE Either too little or too much oil can harm the equipment 3 Make sure the drive shaft tumbling...

Page 13: ...t should be checked each time you use the generator As a quick check you can plug in a trouble light and check for normal brightness 4 With engine and generator running smoothly switch on the electric...

Page 14: ...east once every twelve months or 150 hours of operation Change it more often if you use the generator in bad weather Use the following procedure to change generator gearcase oil 1 Remove gearcase brea...

Page 15: ...breather CLEANING INSPECTION Use a vacuum cleaner or dry low pressure compressed air regulated at 25 35 PSI to clean the generator periodically WARNING Do NOT clean the generator while it is running P...

Page 16: ...R 7 Shorted or open rotor 8 Shorted or open stator 1 Reset circuit breakers replace if defective 2 Disconnect the load Check voltage at receptacle cord set Check motors appliances and load leads for s...

Page 17: ...17 OPM 137 D WIRING DIAGRAM G1 G1 G2 G2 GND GND GND GND GND G2 G2 G2 G2 G1 G1 G1 N N N 120 240V SINGLE PHASE BACK VIEW...

Page 18: ...18 OPM 137 D N GND GND GND GND GND N N G3 G3 G2 G3 G2 G2 G2 G2 G1 G1 G1 G1 G1 120 208V 120 240V THREE PHASE BACK VIEW...

Page 19: ...19 OPM 137 D GND GND GND N N N N G3 G3 G2 G2 G1 G1 G1 G1 G1 277 480V THREE PHASE BACK VIEW...

Page 20: ...you may have other rights which vary from state to state Note Some states do not allow limitation on the duration of implied warranty and some states do not allow the exclusion or limitation of incid...

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