Powerhorse M166112B Manuel utilisateur

Owner’s Manual
Instructions for Installation/Set-up, Operation, Servicing, & Storage
Portable, Outdoor Use-Only, Gasoline Generator
166112 - 3100 Watt Continuous (4000 Watt Surge) Capacity
Can be used to power individual appliances plugged directly into the generator’s outlets, or as a
back-up connection to a building’s power supply (via a professionally installed UL-approved
transfer switch.
WARNING
READ and UNDERSTAND this manual completely before using the generator! Failure to properly set up,
operate, and maintain this generator could result in serious injury or death from carbon monoxide poisoning,
electric shock, fire/explosion, or burns. In particular, be aware of the following hazards:
CO Poisoning
Generators give off carbon monoxide, a poisonous gas that can kill you. You CANNOT smell it, see it, or taste it.
ONLY run generator OUTDOORS and AWAY from building air intakes. NEVER run generator inside any enclosed or
semi-enclosed spaces, including homes, basements, garages, sheds, boxes, RVs, boats or pick-up truck beds. These
spaces can trap poisonous gases, EVEN if you run a fan or open windows.
Install carbon monoxide alarms inside nearby structures/buildings (battery-operated, or plug-in with battery backup).
Electric shock / Electrocution
High voltage electricity from generator can kill. DO NOT operate in wet locations. Be sure generator is properly
grounded. Use only UL-listed, outdoor-rated grounded extension cords of proper size.
NEVER plug the generator directly into a wall outlet. ANY connection to a building’s electrical system MUST
ISOLATE THE GENERATOR FROM UTILITY POWER via a UL-approved transfer switch installed by a licensed
electrician. Otherwise, back feed from the generator into the power grid could kill utility workers.
Fire / Explosion
DO NOT overload generator (per rated capacity), and OPERATE ONLY in an area with adequate cooling ventilation so
engine does not overheat. Exhaust can be extremely hot. Keep muffler at least 7 feet from all combustible objects.
All fuels are flammable. Never fuel a running or hot engine. Never pump fuel directly into generator at gas station – use
approved container to transfer fuel. Ensure there are no fuel leaks, and keep sources of sparks and flames away.
ALWAYS keep a fire extinguisher rated “ABC” nearby.
STOP!
CHOOSE THE RIGHT GENERATOR FOR YOUR NEEDS. See the “Power load Planning & Management” section
of this manual to determine your power load requirements and then compare to the generator’s rated capacity.
INSPECT COMPONENTS: Closely inspect to make sure no components are missing or damaged. See the “Unpacking
& Delivery Inspection” section for instructions on whom to contact to report missing or damaged parts.
ARRANGE FOR PROFESSIONAL INSTALLATION of a transfer switch if you will be connecting the generator to
your building’s electrical system. See the “Installation/Initial Set-Up” section for more information about this
requirement. Any Questions, Comments, Problems, or Parts Orders
Call Powerhorse Product Support 1-866-443-2576
M
166112
B
ITEM NUMBER: 166112
SERIAL NUMBER:
_______________

Hazard Signal Word Definitions
2

Table of Contents
3
Hazard Signal Word Definitions ..................................................................................................2
About Your Generator ..................................................................................................................4
Specifications ..................................................................................................................................6
Safety Label Locations...................................................................................................................7
Machine Component Identification.............................................................................................10
Power Load Planning & Management.......................................................................................12
Installation / Initial Set-Up:
1. Unpacking & Delivery Inspection..........................................................................................14
2. Planning the Power Load........................................................................................................14
3. Set-up as a PORTABLE or BUILDING BACK-UP Power Source ......................................15
4. Selecting a Suitable Site.........................................................................................................18
5. Grounding the Generator........................................................................................................20
Operation:
1. General Safety Rules for Operation .......................................................................................21
2. Preparing for Operation..........................................................................................................24
3. Starting the Engine .................................................................................................................27
4. Checking Generator Output....................................................................................................28
5. Connecting Loads...................................................................................................................29
6. Stopping the Engine ...............................................................................................................29
7. Storage & Exercise.................................................................................................................30
Maintenance & Repair..................................................................................................................32
Troubleshooting.............................................................................................................................34
Summary of Important Safety Information for Operation.......................................................35
Engine Operation ..........................................................................................................................39
Engine Troubleshooting................................................................................................................46
Engine Specifications ....................................................................................................................47
Engine Electrical Diagram ...........................................................................................................48
Exploded Views .............................................................................................................................49

About Your Generator
4
Thank you for purchasing your Powerhorse portable generator!
About Your Generator
This engine-driven, portable generator is designed to provide up to 4000Watts of
electrical power (3100 watts continuous, 4000 watts surge).
It can supply power:
1. As a portable power source. You can plug appliances directly into the generator’s
electrical outlets.
2. As a back-up, standby power source for a building. A licensed electrician can connect
the generator to your building’s electrical system via the installation of an UL-approved
transfer switch. (See the “Installation & Initial Set-up” section of this manual to learn
more about specific requirements and precautions relating to wiring the generator to your
building’s electrical system.)
You must select a generator adequately sized for your power needs. You need to
determine the power needs of all the appliances/tools you wish to power at the same time and
choose a generator rated to provide at least that power level. See the “Power Load Planning &
Management” section of this manual to determine your specific power load requirements and
then compare them to this generator’s rated capacity. You must not overload the generator.
Overloading will cause damage to the generator and attached electrical devices, and may also
result in fire.
Be sure to read about site selection and grounding requirements for running this
generator. More detailed information can be found in the “Installation & Initial Set-up, Steps
5 & 6” of this manual.
Contact Powerhorse Product Support at 1-866-443-2576 with questions about optional
accessories or to order.
Read this Manual
WARNING
Improper use or maintenance of this generator can result in serious injury or death from
carbon monoxide poisoning, electric shock/electrocution, fire/explosion, or burns.
Read this manual completely before using the generator and follow all instructions and
safety rules.
You must follow all instructions and safety precautions presented throughout this manual. A
summary of important safety information can be found at the end of the manual. Keep this
manual for reference and review.

About Your Generator (cont’d)
5
Proper preparation, operation, and maintenance will result in operator safety, as well as best
performance and long life of the generator. For detailed engine operation and maintenance
information, always refer to the engine Owner’s Manual furnished with the generator.
Powerhorse is constantly improving its products. The specifications outlined herein are
subject to change without prior notice or obligation. The purchaser and/or user shall assume
liability for any modification and/or alterations of this equipment from original design and
manufacture.
Before using, the user shall determine the suitability of this product for its intended use and
assumes liability therein.
Contact Powerhorse Product Support at 1-866-443-2576 for any questions about the
appropriate use of this generator.
Warranty Registration
Please fill in the warranty registration information and have it on hand when you call in on a
warranty claim or replacement parts.
ATTENTION:
All Rental Companies and Private Owners who loan this
equipment to others!
All persons to whom you rent/loan this generator must have access to and read this manual.
Keep this owner’s manual with the generator at all times and advise all persons who will
operate the machine to read it. You must also provide personal instruction on how to safely
operate the generator and remain available to answer any questions a renter/borrower might
have.

Specifications
6
Item Number #166112
Maximum Output 4000 Watts (W)
Continuous Output 3100 Watts (W)
Voltage 120/240 Volt (V)
Phase Single phase (4-wire)
Frequency 56.5 - 63.3 Hertz (Hz)
Power Factor 1.0 p.f.
Total Harmonic Distortion less than 5%
Engine 208cc
Engine Speed 3750 RPM
Fuel Type Unleaded gasoline
Fuel Capacity 3.9 gallons ( 15 L)
Oil Capacity .65 US quarts (.6 L)
Starting Method Recoil
120 V Receptacles 4 - 20 Amp (A) duplex
(NEMA 5-20R)
1 – 30 Amp 120/240V locking
(NEMA L14-30R)
Circuit Breakers 1-8 Amp (A) thermal, push to reset
2-13.5 Amp (A) thermal, push to reset
Dimensions Length 28” ( cm)
Width 20” ( cm)
Height 23” ( cm)
Dry Weight 140 lb. ( kg)

Safety Label Locations
7
Part # 782411
Part # 782554
Part # 782635
Part # 782629
Part # 782415
Qty 2
Part # 782631
Part # 782627
Part # 7826
32
Part # 782931
Part # 782628

Safety Labels Locations
8
Part # 782633
Part # 782930
Part # 782630
(1 of 2)
Part # 782630
(2 of 2)

Safety Label Locations
9
Always make sure safety labels are in place and in good condition. If a safety label
is missing or not legible, order new labels or unsafe operation could result.
To order replacement safety labels, call Powerhorse Product Support at 1-866-443-2576.

Machine Component Identification
10
Ref. Description Ref. Description
1 Vibration Isolation Mount 11 Engine Switch
2 Oil Drain Plug 12 Circuit Breaker
3 Recoil 13 12VDC Supply
4 Handle 14 Circuit Breaker
5 Air Cleaner 15 Voltmeter
6 Gas Cap with Gauge 16 120V, 20A Duplex Receptacle
7 ? Gallon Gas Tank 17 120/240V, 30A Locking Receptacle
8 Generator Head 18 Grounding Post
9 Muffler 19 Fuel Shut Off
10 Low Oil Warning
21
7
3
5
6
4
2
10
12
11
1
3
14
15
16
17
19
8 9
18
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1
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