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2

OPM-137/D

TABLE OF CONTENTS

SAVE THESE INSTRUCTIONS 

2

SAFETY 3
SPECIFICATIONS 4

50PTOC4-03/1
50PTOT4-03/1
50PTOC4-04/1
50PTOT4-04/1
50PTOC4-17/1
50PTOT4-17/1
55PTOC4-18/1
55PTOT4-18/1

INTRODUCTION 5

TESTING POLICY

PREPARING THE UNIT 

6

UNPACKING

INSTALLATION 7

FOUNDATION MOUNTING
TRAILER MOUNTING
THREE-POINT HITCH KIT

ELECTRICAL CONNECTIONS 

8

GROUNDING
PLUG KIT
Typical Connection Methods for Generator Power Service

OPERATION 11
PRE-START CHECKS 

12

GENERATOR PROCEDURES 

13

START-UP
SHUTDOWN

MAINTENANCE 14

GENERAL INFORMATION
PERIODICAL MAINTENANCE
LUBRICATION
CLEANING & INSPECTION
GENERATOR STORAGE

TROUBLE SHOOTING TABLE 

16

WIRING DIAGRAM 

17

120/240V SINGLE PHASE
120/208V & 120/240V 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 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 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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