UST GG4200 series User manual

Owner's Manual
6 64200 Series5 asoline 6 enera#ors
Using a generator indoors CAN KILL YOU IN MINUTES.
Generator exhaust contains carbon monoxide. This is
a poison you cannot see or smell.
NEVER use Inside a home
or garage, EVEN IF doors
and windows are open.
Only use OUTSIDE and
far away from windows,
doors, and vents.
Utilizar un generador dentro LE MATARA EN MINUTOS.
Elescape contiene mon6xido de carbono, un gas
tbxico usted no Io puedever nioler.
NUNCA utilice en el hogar ni
en _reas en parte encerradas
tales como garajes.
SOLAMENTE uselo fuera y
lejos de ventanas abiertas,
puertas, y respiraderos.
Do Not Return To Store
One year or 60 Hours Limited Warranty (see page 19)
For customer service or warranty information call toll free
866 797 2738
Read carefully before attempting to assemble, install, operate or maintain the product described. Protect
yourself and others by observing all safety information. Failure to comply with the user' smanual
could result in personal injury and/or property damage! retain the user's manual for future
reference.call toll free number 866 79 7 2738 for parts and service.
DISCLAIMER: All pictures may not be identical to product inside box.
Distributed by _Fullerton, CA 92833

SAFETY ALERT SYMBOL: Indicates danger, warning, or caution.Attention is
required in order to avoidserious personal injury.
The signal word (DANGER, WARNING, or CAUTION) is used with the alert
symbol to alert you to special instruction about a particular operation
that may be hazardous if pe rformed incorrectly or carelessly. Observe them
carefully.
DANGER: Failure to obey a safety warning will result in
serious personal injuries or deaths.
WARNING: Failure to obey a safety warning can result in
serious personal injuries or deaths.
CAUTION: Failure to obey a safety warning may result in
minor or moderate injuries
CAUTION:When used without the alert symbol, could result in
damage to your engine or other property.
If you do not understand any portion of this manual, about engine,
please search for your dealer for explanations.
Warranty and Service Questions ?
Missing or Damaged parts
Call 866 797 2738

CONTENTS
1.SAFETY ..................................................................... 1
2.COMPONENT IDENTIFICATION ......................................... 2
3.PRE-OPERATION CHECK ............................................... 3
4.STARTING THE ENGINE ................................................ 4
5.GENERATOR USE ........................................................ 5
6.STOPPING THE ENGINE ................................................ 7
7.MAINTENANCE ............................................................ 8
8.STORAGE .................................................................. 9
9.TROUBLE SHOOTING .................................................... 10
10.WIRING DIAGRAM ...................................................... 11
11.SPECIFICATIONS ....................................................... 11
12.PARTS LISTAND DIAGRAM .......................................... 12
12.1 CRANKCASE ASSEMBLY ................................................ 12
12.2 CYLINDER HEAD ASSY.. .................................................. 12
12.3 INTAKE & EXHAUST MECHANISM ASSY.- .......................... 13
12.4 CRAN KCASE ASSEMBLY ................................................ 13
12.5 CENTRIFUGAL ADJUSTMENT ASSY.. ................................ 14
12.6 IGNITION SYSTEM ASSY.. ............................................... 14
12.7 STARTING SET ASSY.- ..................................................... 15
12.8 AIR CLEANER ASSY.. ..................................................... 15
12.9 CARBURETOR ASSY.- ..................................................... 16
12.10 GENERATOR .................................................................. 16
12.11 GAS TANK ASSEMBLY.. .................................................. 17
12.12 PANEL ........................................................................... 17
12.13 MUFFLER ..................................................................... 18
12.14 FRAME ........................................................................ 18
13.PARTS REPLACEMENT LIMITED WARRANTY ...................... 19
14.PRODUCT REGISTRATION CARD .................................... 20
Warranty and Service Questions ?
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1. SAFETY
1.1 SAFETY LABELS
RISK OF ELECTRICAL SHOCK
This generator produces high voltage
ALWAYSgroundproperlybeforeuse.
DONOTconnecttoanybuildingelectricalsystem.
NEVERuseinwetorrainyc0nditi0ns.NEVERtouchbarewiresorreceptacles.
NEVERatlowchildrenornon-qualifiedpersonstooperate.
_WARNING
RISK OF EXPLOSION
STOPgeneratorbeforefueling.
CHECKfor spilledfuel.
DONOToperatenearopenflame.
Using a generator indoors CAN KILL YOU IN MINUTES. Util]zar un generador dentro LE MATARA EN MINUTOE.
Generator exhaust contains carbon monoxide. This Is El escape contlene mondxldo de carbono, un gas
a poison you cannot see or small, tdxlco usted no Io puede ver nl oler.
NEVER use Inside a home Only use OUTSIDE and NUNCA utiEiee en el hcgar ni SOLAMENTE uselo fuera y
or garage, EVEN IF doors far away from windows, en _reas en parte encerradas lejos de ventanas ablertas
and windows are open, doors, and vents, tales como garajes, puertas, y respi_deros.
Avoid other generator hazards.
READ MANUAL BEFORE USE. Evite otros riesgos del generador. LEA EL MANUAL ANTES DE USARLO,
RISK OF ELECTRICAL SHOCK
This generator produces high voltage
ALWAYSgroundproperlybeforeuse.
DONOTconnecttoanybuildingelectricalsystem.
NEVERuseinwetorrainyconditions.
NEVERtouchbarewiresor receptacles.
NEVERallowchildrenornon-qualifiedpersonstooperate.
BEFORE YOU START GENERATOR
1. Pleaseverifythe engine oil isfull.
2. Pleaseaddnew fuel to gastank.
3. Pleaseturn the fuel valveandengine switchto
the "ON" position.
4. Placethe chokeleverto the "CHOKE" position.
5. Disconnectallelectrical devices.
Generatorwill notstartifthe"OIL LEVEL" istoolow.
RISK OF EXPLOSION
STOPgeneratorbeforefueling.
CHECKfor spilledfuel.
DONOToperatenearopenflame.
Using a generator indoors CAN KILL YOU IN MINUTES.
Generator exhaust contains carbon monoxide. This is
a poison you cannot see or smell.
NEVER use inside a home or garage, EVEN IF doors
and windows are open.
Only use OUTSIDE and far away from windows,
doors, and vents.
Avoid other generator hazards.
READ MANUAL BEFORE USE.
ADD OIL
1.Removethe oilfiller cap/dipstickand wipe off anyoil.
2. Insertthe oilfiller cap/dipstickinto oilfiller neck but donot screwit in!
Letthefillercap/dipstick sitabovethe filler hole then removeit to checkthe oil level.
3.Addoilif theoil levelis low, then reinstall the oil filler capsecurelybefore starting.
BEFORE OPERATING GENERATOR
The generator is shipped without
oil in the crankcase. Add oil as
indicated in operating and
instruction manual. Failure to do so
will void your warranty.
Replace shipping plug with working
oil fill plug. Failure to do so may
result in injury.
HOT EXHAUST
CONTACT MAY CAUSE
DO NOT TOUCH
ADD OIL
BEFORE
Connect ground to earth
before operatin 9
DO NOT
DO NOT RETURN TO STORE
If you are having problems with
this generator, call our customer
service help line.
1-866-797-2738
N M-F 7:30am -4:00pm PST
Warrantyand ServiceQ uestions?
M issingorD amaged parts
Ca11866797 2738
-1-

1.2 GENERATOR SAFETY
DO NOT USE INSIDE HOUSE.
!jji ilii
DO NOT USE IN WET
SURROUNDING. DO NOT CONNECT TO
HOUSEHOLD CIRCUIT.
S
KEEP FLAMMABLE MATERIAL
AT LEAST 1m(3FT)AWAY. NO SMOKING. DO NOT SPILL.
© - t
STOP ENGINE.
BEFORE REFUELING
2.COMPONENT IDENTIFICATION
1. FUEL TANK CAP
3. FRAME
5. CIRCUIT BREAKER
7. DOUBLE SOCKET
9. DC TERMINALS
11. ENGINE SWITCH
13. OILDRAIN PLUG
15. FUELVALVE
17. CHOKE LEVER
2. FUELTANK 18,
4. HOUR METER
6. VOLT METER 17
16
8. DC PROTECTOR 15
10. GROUND TERMINAL 14
12. OIL FILLER CAP
14. RECOIL STARTER
16.AIR CLEANER 13 12 11 10
4
5
6
7
8
"9
Warranty and Service Questions ?
Missing or Damaged parts
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-2-

3.PRE-OPERATION CHECK
1.OIL LEVEL
CAUTION: Be sure to check the generator engine fluid levels with the generator on a level surface
Recommended oil:4-stroke motor oil service classification SJ,SL, SG or SAE 10W-30 for general
temperature.
2.FUELLEVEL
LOWLEVEL
MARK
1.Remove the oil filler cap/dipstick and
wipe off any oil.
2.tnsert the oil filler cap/dipstick into
oil filler neck,but do not screw it inf
Let the filler cap/dipstick sit above
the oil level.
3.Add oil if the oil level is low
1.Remove the fuel tank cap.
2.Check the fuel level if
the fuel level is low.
.? _-
3.Add the unleaded gasoline
to the shoulder of the filter screen.
4. Install the fuel tank cap.
CAUTION: To avoid damage to engine, never use stale or contaminated gasoline or oil/gasoline mixture. Avoid getting
dirt or water in fuel tank.
/_ WAR N IN G : Fuel and fuel vapors are extremely flammable and explosive under certain conditions.
Refuel generator only outdoors, in a well-ventilated area.
• NEVER fill fuel tank while engine is running. Turn gen-
erator OFF and allow to cool before filling with fuel.
• NEVER smoke or allow flames or sparks near genera- -'_ _'-
tor or where gasoline is stored. _ E_.aximurnFuel Level
NEVER overfill fuel tank (no fuel should be in filler ........................
neck). After refueling, be sure fuel tank cap is closed
properly and securely.
• Be careful not to spill fuel when refueling. Spilled fuel
or fuel vapor may ignite. If any fuel is spilled, be sure
area is dry before starting engine.
• Avoid repeated or prolonged contact with skin or breathing of vapor.
Warranty and Service Questions ?
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-3-

3.AIR CLEANER
1.Unsnap the air cleaner cover springs,and remove the air cleaner cover
2.Checkthe air cleaner element to be sure it is clean and in good condition.
3.If it is dirty, remove and clean
the element.
(1)Wash in solvent
(2)Squeeze
(3)Soak oil
(4)Squeeze dry
4.Reinstall the air cleaner element
and secure the cover by setting
the cover spring.
4.STARTING THE ENGINE
1.Disconnect any load from the
AC receptacle,
4.Turn the engine switch to
the "ON "position.
2.Turn the fuel valve to
the "ON "position.
"7 /
3. Move choke lever to the left "CLOSED" position.
Check the air cleaner element to be sure it is clean.
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-4-

5.Pullthe starter grip lightly until resistance is felt
then pull briskly.
Warning:Do not allow the starter grip to snap
back against the engine.
_L
_-----:::;Jii.2 i! z'._&}
6.Move choke lever to the right "OPEN" position
as the engine warms up.
Return it gently.
5.GENERATOR USE
• To keep the generator always in top mechanical and electrical condition, observe the following:
1.To prevent electrical shock from faulty appliances, the generator ,
should be grounded. \_i_
Connect a copper wire to the generator and the other end of wire _--_,
toa metal stake driven into the ground. -
2.Combined load of the connected apparatus must not exceed the rated capacity of the generator
Electric apparatus,particularly motor-driven equipment,will draw a higher current when starting. The
following table is provided for your reference when connecting such apparatus to your generator.
WAT TAG E
TYPE STARTINGtRATED STARTING RATED
TYPICALAPPARATUS
_- oe Incandescent lamp
_ Xl Xl .....
_) 03
_ TV
_-r
o_ X2 X1.5
03
°u Fluorescent lamp
u_
._ Refrigerator
g X3-5 X2
c
"1o
Electric fan
EXAMPLE
APPARATUS
Incandescent lamp
100W
100VA 100VA
(w) (w)
40W 80VA 60VA
(w) (w)
Fluorescent lamp
Refrigerator
450~750VA
(w)
150W
300VA
(w)
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-5-

3.When two or more pieces of apparatus are connected to
your generator,turn them on beginning with the one
drawing higher current when starting.
\
AC APPLICATION
1.Start the engine
2.Make sure that the needle of the voltmeter indicates the voltage.
3.Plug in the appliance
/
o
Note: a:Over current will automatically turn off the AC breaker. When that is _"°_
turned off,the generator shall be restarted with load reduced a few
minutes thereafter.
b: Generally 5-10% variance of voltage output is an acceptable tolerance of voltage variation.
Warranty and Service Questions ?
Missing or Damaged parts
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- 6 -

DC APPLICATION
The DC terminals may be used for charging 12V automotive-type batteries only
1.Connect the charging cables to the battery terminal.
2.Start the engine and charge the battery
NOTE:
An overloaded DC circuit will trip the DC circuit breaker
(push button comes out) If this happens.check the short
circuit or connection and wait a few minutes
before pushing the circuit protector.
©
3.Stop the engine,then disconnect the charging cables in the reverse order of connection.
(1) ON (2) OFF
6.STOPPING THE ENGINE
1. Turn off all electrical appliances.
3.Disconnect the electrical appliance.
2.Turn the engine switch to the "OFF " position.
4.Turn the fuel valve to the "OFF" position.
NOTE: To stop the engine in an emergency,turn the engine switch OFF.
Warranty and Service Questions ?
Missing or Damaged parts
Call 866 797 2738
-7-