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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.
Should you experience a problem please follow the
“Things To Check” near the end of this manual. The warranty
listed in this manual describes what you can expect from
WINCO should you need service assistance in the future.
TABLE OF CONTENTS
PROPER USE AND INSTALLATION
You must be sure your new generator set is:
* Properly serviced before operating
* Operated in a well ventilated area
* Exhaust gases are dispersed safely
* Wired by a qualified electrician
* Operated only for its designed purposes
* Used only by operators who understand its operation
* Properly maintained
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____________________________
INTRODUCTION i
GUIDE TO PRODUCT SAFETY 1
BASIC INFORMATION
Unit Capabilities 2
PREPARING THE UNIT 2
Unpacking the unit 2
Assembly 2
INSTALLATION
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 8
Storage 8
Trouble Shooting Table 8
36 MONTH WARRANTY 10
PURCHASE DATE____________________________
DEALER___________________________________
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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, extereme 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 turning drive shaft with your hand
or foot.
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Description
The WINCO PTO drive generator will provide, depending on
the unit purchased, 120/240V single phase, 120/240V three
phase or 120/208 three phase 60Hz electrical service when
direct-driven. Tractor or vehicle power take-off shafts, can be
used for driving these generators.
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.
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 load sensing transformer which
provides extra motor starting power, 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 splined, and is 1-3/8 in diameter.
The factory thoroughly tests each of these generators 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.
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. If
“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.
Specifications
MODEL VOLTAGE PHASE P/F AMPERAGE
35PTOC-3 120/240 Single 1.0 146
40PTOC-4 120/208 Three 1.0 1 11
45PTOC17 120/240 Three 1.0 1 08
50PTOC-3 120/240 Single 1.0 208
75PTOC-4 120/208 Three 1.0 2 08
75PTOC-17 120/240 Three 1.0 1 80
Assembly
The only assembly work required after unpacking the generator is to assemble 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, 2 plug bodies (3 plug
bodies for three phase), four or six contacts with inserts if
required, two handle and the hardware to assembly the
disconnect plug. You will need to purchase the appropriate
length of fine stranded copper wire for your application in order
to complete the assembly of the disconnect plug. DO NOT
USE SO CABLE - USE SINGLE LEAD WELDING CABLE
The following wire sizes are recommended for each unit.
Generator Size
Model AWG Insulation
35PTOC #2 Neoprene/THHN
40PTOC #4 Neoprene/THHN
45PTOC #4 Neoprene/THHN
50PTOC #1 Neoprene/THHN
75PTOC #1 Neoprene/THHN
If you require different inserts or contacts for local code,
WINCO has a variety of different inserts and contacts available. Contact the factory at 507-357-6831 for pricing.
WARNING: Equipment Damage
Never use acid core solder. When soldering insure no excess
solder runs down on the contact surface - Solder on the contact
surface will not allow the contacts to mate properly causing
them to burn up.
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