Buffalo Tools GENMAX1500 User manual

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ITEM # GENMAX1500
1500 SURGE WATTS / 900 RUNNING WATTS
2-CYCLE PORTABLE GENERATOR
INSTRUCTION MANUAL
READ ALL INSTRUCTIONS AND WARNINGS BEFORE USING THIS PRODUCT.
This manual provides important information on proper operation & maintenance. Every effort has been made to ensure the
accuracy of this manual. These instructions are not meant to cover every possible condition and situation that may occur.
We reserve the right to change this product at any time without prior notice.
HAVE QUESTIONS OR PROBLEMS? CONTACT CUSTOMER SERVICE
If you experience a problem or need parts, visit our website http://www.buffalotools.com or call customer service
at 1-866-460-9436, Monday-Friday, 8 AM - 4 PM Central Time. A copy of the sales receipt is required. IF THERE
IS ANY QUESTION ABOUT A CONDITION BEING SAFE OR UNSAFE, DO NOT OPERATE THIS PRODUCT!
FOR CONSUMER USE ONLY – NOT FOR PROFESSIONAL USE.
KEEP THIS MANUAL, SALES RECEIPT & APPLICABLE WARRANTY FOR FUTURE
REFERENCE.
ATTENTION: 2-CYCLE OIL AND GASOLINE IS NOT INCLUDED WITH
THE GENERATOR AND MUST BE ADDED BEFORE FIRST USE.
ATTENTION: THIS GENERATOR IS NOT INTENDED TO
POWER MEDICAL DEVICES OR LIFE SUPPORT APPLIANCES.
ATTENTION: FOLLOW ENGINE BREAK-IN PROCEDURE FOR
FIRST 20 HOURS OF USE.
ATTENTION: DO NOT EXCEED MAX WATTAGE CAPACITY,
OTHERWISE DAMAGE CAN OCCUR TO GENERATOR AND/OR
APPLIANCES. FOLLOW WATTAGE GUIDE TO DETERMINE
PROPER STARTING & RUNNING WATTS.

ITEM # GENMAX1500 1500 Surge Watt / 900 Running Watt Portable 2-Cycle Generator Manual
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ITEM # GENMAX1500 1500 Surge Watts / 900 Running Watts
This is a 2-cycle generator which requires 50:1 gasoline-to-oil ratio
FEATURES:
• 1500 Surge Output / 900 Running Watts
• 120V Operation
• 2.0 HP Engine, 2 Stroke, 3600 RPM
• Displacement (CC): 72
• UL Listed Electrical Components
• Engine Shut Off Switch
• Spark Plug Model F6TC
• 1-12V DC Outlet
• 2-120V AC Outlets
• 1 Gallon Max Capacity Fuel Tank
• EPA Approved
• Decibel Rating < 65 db at 0% load measured at 24 feet
• Run time = 8 hrs @ 50% load Gasoline
• Fuel type: 50:1 gasoline-to-oil ratio
• High Altitude Use: This generator is not recommended for high altitude use above 3,000 feet.
• If you are using a generator at 3,000 feet above sea level, the generator may not function properly because of air flow getting through the carburetor.
2 YEAR LIMITED EMISSION-RELATED WARRANTY
THIS ENGINE MEETS U.S. EPA EMISSION STANDARDS UNDER 40 CFR 1054.625 .The emission-related limited warranty is valid for two (2) years.
Keep the purchase receipt and mail in the product registration card for proof of purchase. Buffalo Corp limits emission-related warranty repairs to
authorized service centers for owners located within 100 miles of an authorized service center. For owners located more than 100 miles from an
authorized service center, Buffalo Corp will, in its sole discretion, either pay for shipping costs to and from an authorized service center, provide for a
service technician to come to the owner to make the warranty repair, or pay for the repair to be made at a local non-authorized service center.
The provisions of this paragraph apply only for the contiguous states, excluding the states with high-altitude areas identified in 40 CFR part 1068,
Appendix III.
To exercise this warranty, DO NOT RETURN TO RETAILER. Instead, call Customer Service toll free at 1-866-460-9436 (email address
[e-mail]) and you will be instructed on where to take the engine for warranty service. Take the generator and proof of purchase (your
receipt) to the repair facility recommended by the Customer Service Representative. The warranty does not extend to generators damaged or affected
by fuel contamination, accidents, neglect, misuse, unauthorized alterations, use in an application for which the product was not designed and any other
modifications or abuse.
1 YEAR LIMITED WARRANTY (30 Day Limited Warranty for Commercial and Rental Purpose)
Generators are warranted to be free from defects in materials and workmanship for a period of 1 YEAR from date of original purchase. Buffalo Corp. is
not liable for any indirect, incidental or consequential damages from the sale or use of this product. Any implied warranties are limited to 1 YEAR as
stated, or as otherwise stated, in this written limited warranty. Some states do not allow the exclusion or limitation of incidental or consequential
damages. Some states do not allow limitation on the length of an implied warranty. Buffalo Corp will repair or replace, at its discretion, any part that is
proven to be defective in materials or workmanship under normal use during the 1 YEAR warranty period. Warranty repairs or replacements will be
made without charge for parts or labor. Parts replaced during warranty repairs will be considered as part of the original product and will have the same
warranty period as the original product. This warranty gives you specific legal rights, and you may have other rights that vary state to state

ITEM # GENMAX1500 1500 Surge Watt / 900 Running Watt Portable 2-Cycle Generator Manual
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RECOGNIZE SAFETY SYMBOLS, WORDS AND LABELS
What You Need to Know About Safety Instructions
Warning and Important Safety Instructions appearing in this manual are not meant to cover all possible conditions and
situations that may occur. Common sense, caution and care must be exercised when operating or cleaning tools and
equipment.
Always contact your dealer, distributor, service agent or manufacturer about problems or conditions you do not understand.
This is the safety alert symbol. It is used to alert you to potential
personal injury hazards. Obey all safety messages that follow this
symbol to avoid possible injury or death.
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.
CAUTION used without the safety alert symbol indicates a
potentially hazardous situation which, if not avoided, may
result in property damage.
Legal Requirements:
Federal and/or State Occupational Safety and Health Administration (OSHA) regulations, local codes, and/or ordinances may apply to the intended use
of this generator. Consult a qualified electrician, electrical inspector, and/or the local agency having jurisdiction. Some areas require generators to be
registered with local utility companies. Additional regulations may apply if this generator will be used at a construction site.
CARBON MONOXIDE
Using a generator indoors CAN KILL YOU IN MINUTES
Generator exhaust contains carbon monoxide (CO). This is a poison you cannot see or smell. If you can smell the generator exhaust, you
are breathing CO. But even if you cannot smell the exhaust, you could be breathing CO.

ITEM # GENMAX1500 1500 Surge Watt / 900 Running Watt Portable 2-Cycle Generator Manual
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IMPORTANT SAFETY INSTRUCTIONS
STOP!
Before using this generator and if you have any questions regarding the hazard and safety notices listed in this manual and/or on
this generator, call 1-866-460-9436, Monday - Friday, 8 AM - 4 PM Central Time.
Carbon Monoxide Gas: When in operation, the exhaust from this generator contains poisonous carbon monoxide gas. Carbon
monoxide gas is both odorless and colorless AND may be present even if you do not see or smell gas. Breathing this poison gas can
lead to headaches, dizziness, drowsiness, loss of consciousness and eventually death.
• Use this generator ONLY outdoors in non-confined areas.
• Keep at least several feet of clearance on all sides to allow proper ventilation for this generator.
Powerful Voltage: This generator produces powerful voltage, which can result in electrocution.
• ALWAYS ground this generator before using it. (See “Ground the Generator” section in this manual).
• Only electrical devices should be plugged into this generator, either directly or with an extension cord. NEVER connect a building electrical
system to this generator without a qualified electrician. Doing so voids your warranty. Such connections must isolate generator power from
utility power and comply with local electrical laws and codes. Failure to comply can create a back feed into utility lines creating an electrocution
hazard, which may result in serious injury or death to utility workers. Such a back feed may cause this generator to explode, burn and create
fires when utility power is restored.
• Do not use this generator in wet conditions (rain, snow, active sprinkler system, wet hands, etc.). Always keep this generator dry and operate it
with dry hands.
• Do not touch bare wires or outlets (receptacles).
• Do not allow children or non-qualified persons to operate this generator.
High Temperatures: This generator produces heat when in operation. Temperatures near the exhaust can exceed 150 Degrees
Fahrenheit (65 Degrees Celsius).
• Do not touch hot surfaces. Observe all warning placards on this generator denoting hot surfaces.
• Allow this generator to cool for several minutes after use before touching the engine, muffler or other areas that are hot during operation and
before storing indoors.
• Hot exhaust may ignite some materials. Keep flammable materials away from this generator.
• Keep at least several feet of clearance on all sides of this generator during operation. Do not enclose this generator in any structure.
Usage: Avoid the use of extension cords if possible. If you choose to use them, be sure they are sized adequately to handle the flow of
electricity. An undersized cord can overheat, short out and cause a fire.
Usage: Misuse of this generator can damage it or shorten its life.
• Use this generator only for its intended purpose.
• Operate this generator only on a dry, level surface.
• Allow this generator to run for several minutes before connecting any electrical devices.
• Promptly turn off any malfunctioning devices and disconnect them.
• Do not operate an excessive number of electrical devices in excess of the wattage capacity of this generator.
• Do not turn on electrical devices until after they are connected to this generator.
• Turn off all connected electrical devices before stopping this generator.

ITEM # GENMAX1500 1500 Surge Watt / 900 Running Watt Portable 2-Cycle Generator Manual
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Flammable liquid gas under pressure. Can form explosive mixtures with air. May cause frostbite. In Case Of Inhalation: Persons suffering from
lack of oxygen should be removed to fresh air. If victim is not breathing, administer artificial respiration. If breathing is difficult, administer
oxygen. Obtain prompt medical attention. In Case Of Eye Contact: Contact with liquid or cold vapor can cause freezing of tissue. Gently flush
eyes with lukewarm water. Obtain medical attention immediately. In Case Of Skin Contact: Contact with liquid or cold vapor can cause
frostbite. Immediately warm affected area with lukewarm water not to exceed 105°F (40°C). Fire And Explosion Hazards: Propane is easily
ignited. It is heavier than air, therefore, it may collect in low areas or travel along the ground where an ignition source may be present. Pressure
in a container can build up due to heat, and it may rupture if pressure relief devices should fail to function. Storage: Cylinders should be stored
upright with valve protection cap in place and firmly secured to prevent falling or being knocked over. Protect cylinders from physical damage;
do not drag, roll, slide or drop. Use a suitable hand truck for cylinder movement. Post "No Smoking or Open Flames" signs in the storage areas.
There should be no sources of ignition. All electrical equipment should be explosion proof in the storage and use areas. Storage areas must
meet national electric codes for class 1 hazardous areas.
Usage: Consult a physician(s) before using this generator if using a pacemaker. Electromagnetic fields in close proximity to a heart
pacemaker could cause a pacemaker to malfunction or fail. Caution is necessary when near the engine’s recoil starter.
Usage: Prolonged exposure to high noise levels can be hazardous to hearing. Always wear ANSI-approved hearing protection when
operating or working around the generator when it is running.

ITEM # GENMAX1500 1500 Surge Watt / 900 Running Watt Portable 2-Cycle Generator Manual
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ITEM # GENMAX1500 1500 Surge Watt / 900 Running Watt Portable 2-Cycle Generator Manual
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In addition to the previously described safety information, familiarize yourself with all safety and hazard notices on this generator.

ITEM # GENMAX1500 1500 Surge Watt / 900 Running Watt Portable 2-Cycle Generator Manual
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PACKAGE CONTENTS
The following items are supplied with this Model GENMAX1500 Portable 2-Cycle Generator. Verify that all items are included.
STOP!
If there are missing items, call 1-866-460-9436, Monday - Friday, 8 AM - 4 PM Central Time for customer service. DO NOT RETURN THIS
GENERATOR TO THE RETAILER.
Item List:
Set of 2 DC connector wires for charging 12 Volt automotive-type batteries
Spark plug remover
Screwdriver
GENERATOR COMPONENTS
Observe the locations and functions of the various components and controls of this generator.
To prevent electrical shock from faulty appliances, the generator should be grounded. Connect a length of heavy wire between the
ground terminal and the ground source.
Consult with a qualified electrician to ensure compliance with local electrical codes.
ATTENTION:
The Air-fuel Mixer is not adjustable. Tampering with the governor can damage your generator and electrical devices, and will void your
warranty.

ITEM # GENMAX1500 1500 Surge Watt / 900 Running Watt Portable 2-Cycle Generator Manual
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PREPARING THE GENERATOR FOR USE
Using this Generator for the First-Time
STOP!
The following section describes the required steps for preparing this generator for the first use. Failure to correctly perform these steps
can damage this generator and/or shorten its life. If still unsure about how to perform any of these steps after reading this section, call
1-866-460-9436 Monday - Friday, 8 AM - 4 PM Central Time for customer service.
If this generator is being used for the first time, the following few steps are required to prepare it for operation:
Step 1 - Before Use, Mix 1 Gallon Gas With 2.5 oz. 2-Cycle Engine Oil (which is a 50:1 ratio) In Separate Container,
Then Pour Gas/Oil Mixture Into Fuel Tank.
This generator is equipped with a 2-stroke engine and is therefore powered by a fuel mixture of gasoline and 2-stroke oil. Use only a mix of unleaded
gasoline and 2-stroke oil in a ratio of 50:1. The generator is delivered without fuel mixture and must be filled prior to start-up operation. Attention!
Always add fuel mixture when the generator is switched off. Please ensure that the fuel switch is in the “OFF“ position. Open the tank cover and fill it
with max. 1 gallon of fuel mixture while ensuring that the fuel filter is inserted. Do not overfill the tank. Please note that fuel can expand with warm
temperatures. Close the tank lid carefully.
Attention! Do not smoke, keep fire and open flame away while filling the fuel tank!
Pre-Operation Check List
Step 1CHOKE VALVE GRIP is at CHOKE (CLOSED TO START) position. (The generator may be hard to start if CHOKE VALVE GRIP is at OPEN
position.)
Step 2 Make sure GROUND TERMINAL is properly grounded.
Step 3 AC OUTPUT no load connected.
Disconnect all electrical loads from the generator set before starting the engine. The generator may be hard to start if a load is connected.
Step 4 DC OUTPUT no load connected.

ITEM # GENMAX1500 1500 Surge Watt / 900 Running Watt Portable 2-Cycle Generator Manual
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Step 3 - Ground the Generator
Failure to properly ground this generator can result in electrocution.
Ground this generator by tightening the grounding nut against a grounding wire as illustrated in Figure 3. A No. 12 AWG (American Wire Gauge)
stranded copper wire is generally an acceptable grounding wire. The other end of this grounding wire should be connected to a copper or brass
grounding rod that is driven into the earth.
Grounding codes can vary by location. Contact a local electrician for information on grounding regulations for your area.
Figure 3 - Attaching the Grounding Wire to this Generator
Ground this generator by tightening the grounding nut against a grounding wire as previously illustrated in Figure 3. A generally acceptable grounding
wire is a No. 12 AWG (American Wire Gauge) stranded copper wire. The other end of this grounding wire should be connected to a copper or brass
grounding rod that is driven into the earth. Grounding codes can vary by location. Contact a local electrician for information on grounding regulations for
your area.
STARTING THE GENERATOR
STOP!
Before starting this generator, confirm that all the steps in the section titled, “Preparing the Generator for Use,” of this manual have been
correctly completed. If unsure about how to perform any of these steps, call 1-866-460-9436, Monday - Friday, 8 AM - 4 PM Central Time for
customer service.
Disconnect all electrical loads from this generator before attempting to start.
Step 1 Make sure unleaded gasoline fuel has been added to the tank.
Step 2 Turn POWER SWITCH to ON position
Step 3 Move Choke Lever to CLOSED TO START position.
Step 4 Pull the STARTER GRIP slowly until resistance is felt and then pull rapidly. After the engine started, return the STARTER GRIP
gently to prevent damage to the starter or housing. DO NOT allow the starter grip to snap back. Return it slowly by hand.
Step 5 Turn the CHOKE LEVER to OPEN TO RUN position.
Choke Rod
The choke is used to provide an enriched fuel mixture when starting a cold engine. It can be opened and closed by operating the choke rod manually.
Pull the rod out toward CLOSED to enrich the mixture for cold starting

ITEM # GENMAX1500 1500 Surge Watt / 900 Running Watt Portable 2-Cycle Generator Manual
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USING THE GENERATOR
After the engine has been running for several minutes, electrical devices may be connected to this generator.
AC Usage
Electrical devices running on AC current may be connected according to their wattage requirements. The rated (running) and surge wattage:
GENMAX1500 Rated (Running) Wattage
900
GENMAX1500 Surge Wattage
1500
The rated (running) wattage corresponds to the maximum wattage a generator can output on a continuous basis.
The surge wattage corresponds to the maximum amount of power a generator can output for a short time. Many electrical devices, such as a
refrigerator, require short bursts of extra power for starting and stopping fan motors, etc., in addition to their listed rated wattage. Motorized devices
typically require more than their rated wattage for startup. The surge wattage ability of a generator allows for this extra power requirement.
The total running wattage requirement of the electrical devices connected to a generator should not exceed the rated wattage of the generator itself. To
calculate the total wattage requirement of the electrical devices to be connected, look up the rated (running) wattage of each device and add these
numbers together to find the total wattage that all of the devices together will draw from the generator. If the total wattage of the selected devices
exceeds the rated wattage of the generator, DO NOT connect all of the devices. Select a combination of the electrical devices that will have a total
wattage less than or equal to the rated wattage for the generator, i.e., no more than 1800 watts for this generator.
This generator can run at its surge wattage capacity for only a short time. Connect electrical devices requiring a rated (running) wattage equal to or
less than the rated wattage of this generator. Never connect devices requiring a rated wattage equal to the surge wattage of a generator.
A device's rated (running) wattage should be listed somewhere on the device itself and/or in its manual. If the wattage specification for a device is not
available, the wattage can be calculated by multiplying the Voltage requirement (120 or 240) by the Amperage drawn.
Watts = Volts x Amperes
Or, the wattage required by a device can be estimated by using the following chart (see Figure 7). The chart provides only estimates and it is better to
know the exact wattage of each electrical device to be powered by this generator.
Electrical Device
Rated (Running) Watts
Additional Surge Watts
box fan
300
600
clock radio AM/FM
300
0
coffee maker
1500
0
computer w/17 inch monitor
800
0
deep freezer
500
500
electric drill (1/2 HP)
1000
1000
DVD/CD player or VCR
100
0
garage door opener (1/2 HP)
480
520
light bulb (75 watt)
75
0
microwave oven (1000 watt)
1000
0
quartz halogen work light
1000
0
security system
180
0
electric stove - single element
1500
0
television (27 inch color)
500
0
window fan
300
600
Figure 7 - Estimated wattage requirements for common electrical devices.
Connect electrical devices to this generator according to the following procedure:
1. Allow the engine to run for several minutes after it has been started.
2. Confirm that the electrical device is switched off prior to plugging it into this generator.
Connect only electrical devices that are in good working order. Faulty devices or power cords present the risk of electrical shock.
Immediately turn off and disconnect any device that commences to operate abnormally, sluggish or abruptly stops. Determine if the
problem was the device or the rated load capacity of this generator has been exceeded.

ITEM # GENMAX1500 1500 Surge Watt / 900 Running Watt Portable 2-Cycle Generator Manual
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NOTE: While this generator is running, power is available from either the standard 120 Volt outlets or the 12 Volt DC outlet. Both 120 Volts and 12V
can be simultaneously drawn from this generator.
3. Turn on the connected electrical devices beginning with the device with the highest rated wattage requirement and then each additional device with
the next lower rated wattage requirement.
Do not connect 50Hz or 3-phase loads to this generator.
Figure 8 - Outlets available on this generator
SOME NOTES ABOUT POWER CORDS
Long or thin cords can require more wattage from a generator to power an electrical device. Figure 9 shows the recommended cords according to the
power requirement of the electrical device. When using cords that exceed these specifications, allow for the electrical device to have a slightly higher
rated wattage requirement.
Device Requirements
Max. Cord Length (ft) by Wire Gauge
Amps
Watts (120V)
Watts (240V)
#8 wire
#10 wire
#12 wire
#14 wire
#16 wire
2.5
300
600
NR
1000
600
375
250
5
600
1200
NR
500
300
200
125
7.5
900
1800
NR
350
200
125
100
10
1200
2400
NR
250
150
100
50
15
1800
3600
NR
150
100
65
NR
20
2400
4800
175
125
75
50
NR
25
3000
6000
150
100
60
NR
NR
30
3600
7200
125
65
NR
NR
NR
40
4800
9600
90
NR
NR
NR
NR
NR = Not Recommended.
Figure 9 - Maximum Extension Cord Lengths by Power Requirement

ITEM # GENMAX1500 1500 Surge Watt / 900 Running Watt Portable 2-Cycle Generator Manual
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DC Usage
The DC outlet is only for recharging 12 Volt automotive-type batteries. Do not connect any other device to this outlet.
Use this generator only for recharging 12 Volt batteries. NEVER attempt to jumpstart a car with this generator.
Failing to use the correct procedure can cause a battery to explode, seriously injuring anyone nearby. Keep heat, sparks, flame and
smoking materials away from the battery.
To connect 12 Volt batteries to the DC outlet:
1. Connect the red charging wire to the positive terminal of the battery and the black charging wire to the negative terminal of the battery.
2. Connect the plug end of the wire to the 12V DC outlet on this generator.
3. Start this generator.
4. When disconnecting, always disconnect the wires from this generator first to avoid a spark.
Storage batteries emit highly explosive hydrogen gas when charged.
Batteries also contain acid, which can cause severe chemical burns.
• Do not allow open flames or cigarettes nearby for several minutes after charging a battery.
• Always wear protective goggles and rubber gloves when charging a battery.
• If battery acid gets on the skin, flush with water.
• If battery acid gets in the eyes, flush with water and immediately call a physician.
• If battery acid is swallowed, drink large quantities of milk and immediately call a physician.
STOPPING THE GENERATOR
To stop this generator:
1. Turn off all connected electrical devices and then unplug them.
2. Allow this generator to run for several more minutes with no electrical devices connected to help stabilize the temperature of this generator.
3. Turn off the engine switch.
Allow this generator to cool down before touching areas that become hot during operation.

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MAINTENANCE/CARE
Proper routine maintenance of this generator is essential for safe, economical, and trouble-free operation. It will help prolong the life of this generator
as well as help reduce air pollution. Perform maintenance checks and procedures according to the schedule in Figure 10.
STOP!
If you have questions about maintenance procedures described in this manual, call 1-866-460-9436 , Monday - Friday, 8 AM - 4 PM Central Time.
Never perform maintenance procedures while this generator is running. Allow this generator to cool before commencing any maintenance
procedures. Keep heat, sparks and flame away.
Improper maintenance and/or failure to correct any problems prior to operating this generator can cause a malfunction which could cause
death or serious injury. Always follow the inspection and maintenance recommendations and schedules in this manual.
Recommended Maintenance Schedule
Each Use
Every Month or
Each 20 Hrs
Every 3 Months or
Each 50 Hrs
Every 6 Months or
Each 100 Hrs
Every Year or
Each 300 Hrs
Air Filter
Check
X
Clean
X
X
Fuel Filler
Clean
X
Spark Plug
Check/Clean
X
Figure 10 - Recommended maintenance schedule
Cleaning the Generator
Always try to use this generator in a cool dry place. If this generator becomes dirty, the exterior can be cleaned with a damp cloth, soft brush, vacuum
and/or pressurized air. Never clean this generator with a bucket of water and/or a hose as water can get inside and cause a short circuit or corrosion.
Never use gasoline to clean parts of this generator.
Spark Plug Maintenance
The spark plug is essential for proper engine operation. The spark plug should be intact, free of deposits, and properly gapped. A bad or incorrectly
installed spark plug can cause engine damage.
To inspect the spark plug:
1. Remove the spark plug by pulling on the spark plug cap.
2. Unscrew the spark plug from this generator by using the included spark plug wrench.
3. Inspect the spark plug. If it is cracked and/or chipped, install a new spark plug. A F6TC spark plug is recommended.
4. Measure the spark plug electrode gap with a gauge. The gap should be 0.028-0.031in (0.7-0.8mm). (See Figure 9.)
5. If re-using the spark plug, use a wire brush to clean any dirt from around the spark plug base and then re-gap the spark plug.
6. Screw the spark plug back into place on this generator by using the included spark plug wrench.
7. Replace the spark plug cap.
Cleaning the Air Filter
Routine maintenance of the air filter helps maintain proper airflow to the carburetor. Occasionally verify that the air filter is free of excessive dirt. The air
filter will require more frequent cleaning when operating this generator in extremely dusty areas.

ITEM # GENMAX1500 1500 Surge Watt / 900 Running Watt Portable 2-Cycle Generator Manual
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To clean the air filter, remove the foam filter element from the generator and wash it in warm water and household dish detergent. Thoroughly rinse and
dry. Pour a small amount of motor oil onto the filter, ring out ALL excess oil, and reinstall the foam filter element in the generator.
Emptying the Carburetor
To store this generator for extended time, the fuel needs to be drained from the carburetor.
To drain the gasoline from the carburetor turn the fuel valve to the “off” position while the engine is running. The generator will shut down when all the
gasoline in the carburetor has been used.

ITEM # GENMAX1500 1500 Surge Watt / 900 Running Watt Portable 2-Cycle Generator Manual
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SPECIFICATIONS
GENMAX1500 1500 Surge Watt / 900 Running Watt Portable 2-Cycle Gas/Oil Mix Fuel Generator
Generator
Type
Revolving Magnetic Field, Self Exciting, Double-Pole, Single Phase
AC Output
Rated Wattage (W)
900
Surge Wattage (W)
1500
Rated Voltage (V)
120
Rated Amperage
15
Rated Frequency (Hz)
60
Phase
Single
DC Output
Voltage (V)
12
Circuit Breaker Amperage (A)
8
Engine
Engine Type
2-stroke single cylinder with forced air cooling system.
Engine Displacement
72cc
Engine Model (HP)
2.0
Compression Ratio
8:1
Ignition System
CDI
Starting System
Recoil
Bore* Stroke (mm)
47 x 41.6
Continuous Operating Hours
Run time = 8 hrs @ 50% load

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PARTS DIAGRAM

ITEM # GENMAX1500 1500 Surge Watt / 900 Running Watt Portable 2-Cycle Generator Manual
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PARTS LIST

ITEM # GENMAX1500 1500 Surge Watt / 900 Running Watt Portable 2-Cycle Generator Manual
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PARTS DIAGRAM

ITEM # GENMAX1500 1500 Surge Watt / 900 Running Watt Portable 2-Cycle Generator Manual
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PARTS LIST