Winco 25PTOC-3 User Manual
OWNERS MANUAL
INSTALLATION AND OPERATION INSTRUCTIONS
12PTOC-3
25PTOC-3
Tractor Drive
PTO Generators
SAFETY FIRST
READ THIS MANUAL BEFORE OPERATING YOUR GENERATOR.
60706-133
Read and understand all instructions in this
manual before starting and operating the
generator set.
USING THIS MANUAL
Congratulations on your choice of a Winco generator set.
You have selected a high-quality, precision-engineered
generator set designed and tested to give you years of
satisfactory standby service.
To get the best performance from your new generator
set, it is important that you carefully read and follow the
operating instructions in this manual.
COPY YOUR MODEL AND SERIAL NUMBER HERE No other
WINCO generator has the same serial number as yours. It
is important that you record the number and other vital
information here, 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____________________________
TABLE OF CONTENTS
INTRODUCTION i
36 MONTH WARRANTY i
GUIDE TO PRODUCT SAFETY 1
BASIC INFORMATION 2
PREPARING THE UNIT 2
Unpacking the unit 2
Assembly 2
INSTALLATION 3
Foundation Mounting 3
Trailer Mounting 3
ELECTRICAL CONNECTIONS 4
OPERATION 5
Pre-Start Checks 5
Starting Procedure 6
Stopping 6
MAINTENANCE 7
Lubrication 7
Cleaning and Inspection 7
Storage 8
Generator Testing 8
Trouble Shooting Table 10
DEALER___________________________________
WINCO PTO GENERATORS
36 MONTH LIMITED WARRANTY
WINCO, Inc., warrants for thirty-six months from date of shipment, that it will repair or replace at its option, for the original
user, the whole or any part of the product found upon examination, by WINCO at its factory at 225 South Cordova Avenue,
Le Center, Minnesota, or by any factory-authorized service station, to be defective in material or workmanship under normal
standby use (average less than 50 hours per month) and service.
For warranty service, return the product within 36 months from the date of purchase, transportation charges prepaid, to
your nearest factory-authorized service station or the WINCO factory.
There is no other express warranty. To the extent permitted by law, any and all warranties, including those of merchantability
and fitness for a particular purpose, are limited to 36 months from date of shipment, and liability for incidental or
consequential damages or expenses is excluded. Some states do not allow limitations on the duration of an implied
warranty, and some states do not allow the exclusion or limitation of incidental or consequential damages, so that above
limitation or exclusion may not apply to you. This warranty gives you specific legal rights; you may have other rights which
vary from state to state.
This warranty is limited to bench labor and parts only, no allowance will be made for travel time, or removal and reinstallation
of the PTO unit.
WINCO does not warrant drive lines, trailer tires, receptacles, or certain other component parts of the product installed by
others, since such items are warranted by their manufacturers.
WINCO does not warrant modifications or alterations which were not made or authorized by the WINCO factory and which
affect the stability or reliability of the product.
WINCO does not warrant products which have been exposed to misuse and/or negligence or have been involved in an
accident.
WINCO does not warrant products which have been installed in such a manner as not to protect them from the adverse
environmental conditions (water, mud, insects, etc.) or have not been kept clean.
WINCO reserves the right to change or improve its products without incurring any obligations to make such changes or
improvements on products purchased previously.
SAFETY INFORMATION
This generator set has been designed and manufactured to
allow safe, reliable performance. Poor maintenance,
improper or careless use can result in potential 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.
ANSI SAFETY DEFINITIONS
______________________________________________________
DANGER:
DANGER indicates an imminently hazardous situation which,
if not avoided, will result in death or serious injury. This signal
word is to be limited to the most extreme situations.
______________________________________________________
______________________________________________________
WARNING:
WARNING indicates a potentially hazardous situation which, if
not avoided, could result in death or serious injury.
______________________________________________________
______________________________________________________
CAUTION:
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.
______________________________________________________
NOTE:
CAUTION is also used on the unit labels and in this
manual to indicate a situation that could result in serious
damage or destruction of the equipment and possible
personal injury.
______________________________________________________
1. ELECTRIC SHOCK- The output voltage present in this
equipment can cause a 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-prong grounded plugs and
extension cords.
f. Be sure the unit is properly grounded to an
external ground rod driven into the earth.
g. Do not make or break electrical connection under
load.
2. FIRE HAZARD- Gasoline, diesel and other fuels always
present a hazard of possible explosion and/or fire.
a. Keep a fire extinguisher nearby and know its
proper use. Fire extinguishers rated ABC by
NFPA are appropriate.
3. DEADLY EXHAUST GAS - Exhaust fumes from any engine
contain carbon monoxide, an invisible, odorless and
deadly gas that must be mixed with fresh air.
a. Operate only in well ventilated areas.
b. Never operate indoors.
4. NOISE HAZARD - Excessive noise is not only tiring, but
continual exposure can lead to loss of hearing.
a. Use hearing protection equipment when
working around this equipment for long periods of
time.
b. Keep your neighbors in mind when permanently
installing this equipment.
5. CLEANLINESS- 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 material that could
create potential fire hazards.
6. SERVICING EQUIPMENT- 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. Use extreme caution when working on electrical
components. High output voltages from this
equipment can cause serious injury or death.
d. Always avoid hot mufflers, exhaust manifolds, and
engine parts. They all can cause severe burns
instantly.
7. INSTALLATION- Installing a PTO generator is not a “do-ityourself” project. Consult a qualified, licensed electrician
or contractor. The installation must comply with all
national, state, and local codes.
a. Never operate the PTO drive generator without having
it properly mounted to a concrete base or approved
trailer.
b. Never connect the PTO generator to an existing
electrical system without installing an isolation
transfer switch.
c. Always insure the drive shaft is straight and level
before operating the generator.
8. OPERATION - PTO drive shafts (Tumbling Bars) have
many inherent dangers, extreme caution must be
exercised when using them.
a. NEVER allow children around a drive shaft when it is
in operation.
b. Keep all safety guards and shields in place and
securely tightened.
c. Never operate a drive shaft that has been damaged
or had the safety shield removed.
d. Never step over a drive shaft while it is running.
e. Never wear a necktie, loose articles of clothing, or
anything else that can be caught in moving parts.
f. Never try to stop a turndrive shaft with your hand or
your foot.
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Description
The WINCO rotating armature power take-off generators are
designed primarily for farm use as a standby electrical power
supply, utilizing the power take-off of a tractor or truck as the
prime mover. This PTO drive generator will provide, 120/240V
single phase, 60Hz electrical service when properly driven.
NOTE: The prime mover which drives the generator must be
capable of delivering approximately 2 HP per 1000 watts
output from the generator. Observe input RPM specifications.
The generator may be foundation mounted for use as standby
power source, or trailer mounted, and used as portable
electrical power sources for areas where commercial power
is not readily available, such as out buildings.
This generator includes a color coded voltmeter to warn
against high or low voltage, three output power receptacles,
an overload protection circuit, and an electronic excitation
circuit. To reduce maintenance problems, the coupling
between the generator input shaft and rotor consists of
precision helical gearing rather than a chain link drive. The
input shaft is a 1 1/8 in. diameter smooth shaft with a keyway
and center drilled for a roll pin. Both must be used at all
times.
The factory thoroughly tests each generator before shipment.
All are continuous duty rated.
IMPORTANT: THE MANUFACTURER STRONGLY RECOMMENDS RUNNING THE GENERATOR UNDER LOAD AT
LEAST ONCE A MONTH IN ORDER TO EVAPORATE ANY
ACCUMULATED MOISTURE CONDENSATION.
UNPACKING
CAUTION: Equipment Damage
DO NOT invert generator during unpacking. The Gearcase
contains oil which will leak out if inverted during unpacking.
Unpack the generator as follows:
1. Remove the carton.
2. Examine the unit for damage.
3. Find the small subpack carton packed in the large carton.
Be careful not to throw away the subpack carton with the
large carton.
If loss or damage is noted at time of delivery, require that
the person making the delivery make note of the loss or
damage on the freight bill, or sign the consigner’s memo
of the loss or damage. Contact the carrier for claim
procedures.
When loss or damage is noted after delivery, segregate the
damaged material, and contact the carrier for claim procedures.
“Concealed damage” means damage to the contents of a
package which is not evident when the package is delivered
by the carrier, but which is discovered later. The carrier or
carriers are responsible for merchandise lost or damaged in
transit. The title to the goods rests with the consignee when
the goods are shipped FOB factory, and only the consignee
can legally file claims. Two years are allowed in which to file
suit after a claim is disallowed in writing by the carrier.
Assembly
25PTOC-3
The only assembly work required after unpacking the generator is to assemble and wire the load disconnect plug, which is
contained in a bag in the subpack carton packed in the
generator crate. The bag contains an instruction sheet, a plug
body, three or four brass pins (large pin for neutral line), and a
small envelope. The small envelope contains an allen
wrench, retainer pins, and set screws.
To wire the load disconnect plug, use the following type of
cable:
Generator Size,
Model AWG Insulation
25PTOC-3 4 600V, Neoprene
To assemble and wire the load disconnect plug,
proceed as follows (see Figure 1):
1. Cut cables to the required length.
2. Strip off insulation 7/8" back from one end of each of the
cut-to-length cables.
3. Start threading a set screw into each pin.
4. Insert the stripped end of one cable fully into one of the
brass pins, and tighten the set screw firmly to secure the
cable end in the pin.
DANGER: Equipment Damage
If cable-to-pin connections are loose, arcing and heat damage
to equipment can result.
4. Open the subpack carton and make sure it contains:
a. Generator instruction manual
b. Load disconnect plug (disassembled, in bag)
5. Remove the four bolts which hold down the generator feet
to the pallet.
6. Lift the generator from the pallet by means of the lifting
eye on the top of the generator.
7. Inspect the generator carefully for freight loss or damage.
8290-01
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Octopus Plug AssemblyFigure 1
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