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.
•NEVER use a generator inside homes, garages, crawlspaces, or other partly enclosed
areas. Deadly levels of carbon monoxide can build up in these areas. Using a fan or
opening windows and doors does NOT supply enough fresh air.
•ONLY use a generator outside and far away from windows, doors, and vents. These
openings can pull in generator exhaust.
Even when you use a generator correctly, CO may leak into the home. ALWAYS use a
battery-powered or battery-backup CO alarm in the home.
If you start to feel sick, dizzy, or weak after the generator has been running, move to fresh
air RIGHT AWAY. See a doctor. You could have carbon monoxide poison.
This manual provides information and procedures to safely operate
and maintain this Wacker model. For your own safety and protection
from injury, carefully read, understand and observe the safety
instructions described in this manual.
Keep this manual or a copy of it with the machine. If you lose this
manual or need an additional copy, please contact Wacker
Corporation. This machine is built with user safety in mind; however,
it can present hazards if improperly operated and serviced. Follow
operating instructions carefully! If you have questions about operating
or servicing this equipment, please contact Wacker Corporation.
The information contained in this manual was based on machines in
production at the time of publication. Wacker Corporation reserves the
right to change any portion of this information without notice.
All rights, especially copying and distribution rights, are reserved.
Copyright 2006 by Wacker Corporation.
No part of this publication may be reproduced in any form or by any
means, electronic or mechanical, including photocopying, without
express written permission from Wacker Corporation.
Any type of reproduction or distribution not authorized by Wacker
Corporation represents an infringement of valid copyrights and will be
prosecuted. We expressly reserve the right to make technical
modifications, even without due notice, which aim at improving our
machines or their safety standards.
wc_si000108gb.fm3
Page 6
Safety InformationGV 7000A / 7003A
2.Safety Information
This manual contains DANGER, WARNING, CAUTION, and NOTE
callouts which must be followed to reduce the possibility of personal
injury, damage to the equipment, or improper service.
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 a hazardous situation which, if not avoided, will
result in death or serious injury.
DANGER
WARNING
CAUTION
WARNING indicates a hazardous situation which, if not avoided, could
result in death or serious injury.
CAUTION indicates a hazardous situation which, if not avoided, could
result in minor or moderate injury.
CAUTION: Used without the safety alert symbol, CAUTION indicates
a potentially hazardous situation which, if not avoided, may result in
property damage.
Note: Contains additional information important to a procedure.
wc_si000108gb.fm4
Page 7
GV 7000A / 7003ASafety Information
2.1Operating Safety
BACKFEED FROM THE GENERATOR INTO THE PUBLIC POWER
DISTRIBUTION SYSTEM CAN CAUSE SERIOUS INJURY OR
DEATH TO UTILITY WORKERS!
DANGER
WARNING
Improper connection of generator to a building's electrical system can
allow electrical current from the generator to backfeed into utility lines.
This may result in electrocution of utility workers, fire, or explosion.
Connections to a building's electrical system must be made by a
qualified electrician and comply with all applicable laws and electrical
codes.
If connected to a building's electrical system the generator must meet
the power, voltage, and frequency requirements of the equipment in
the building. Differences in power, voltage, and frequency
requirements may exist and improper connection may lead to
equipment damage, fire, and personal injury or death.
Familiarity and proper training are required for the safe operation of
equipment. Equipment operated improperly or by untrained personnel
can be dangerous. Read the operating instructions contained in both
this manual and the engine manual and familiarize yourself with the
location and proper use of all controls. Inexperienced operators should
receive instruction from someone familiar with the equipment before
being allowed to operate the machine.
2.1.1NEVER operate the generator when open containers of fuel, paint, or
other flammable liquids are near.
2.1.2NEVER operate the generator, or tools attached to the generator, with
wet hands.
2.1.3NEVER use worn electrical cords. Severe electrical shock and
equipment damage may result.
2.1.4NEVER run the electrical cords under the generator, or over vibrating
or hot parts.
2.1.5NEVER enclose or cover the generator when it is in use or when it is
hot.
2.1.6NEVER overload the generator. The total amperage of the tools and
equipment attached to the generator must not exceed the load rating
of the generator.
2.1.7NEVER operate the machine in snow, rain, or standing water.
2.1.8NEVER allow untrained personnel to operate or service the generator.
The generator set should be set up by a trained electrician.
2.1.9ALWAYS store the equipment properly when it is not being used.
Equipment should be stored in a clean, dry location out of the reach of
children.
wc_si000108gb.fm5
Page 8
Safety InformationGV 7000A / 7003A
2.1.10ALWAYS be sure the machine is on a firm, level surface and will not
tip, roll, slide, or fall while operating.
2.1.11ALWAYS transport the generator in an upright position.
2.1.12ALWAYS keep the machine at least one meter (three feet) away from
structures, buildings, and other equipment during use.
2.1.13ALWAYS keep the area immediately surrounding and underneath the
machine clean, neat, and free of debris and combustible materials.
Make sure that the area overhead is clear of debris that could fall onto
or into the machine or exhaust compartment.
2.1.14ALWAYS remove all tools, cords, and other loose items from the
generator before starting it.
2.1.15DO NOT ground this generator.
2.2Operator Safety while using Internal Combustion Engines
Internal combustion engines present special hazards during operation
and fueling. Read and follow the warning instructions in the engine
owner’s manual and the safety guidelines below. Failure to follow the
DANGER
warnings and safety guidelines could result in severe injury or death.
2.2.1DO NOT run the machine indoors or in an enclosed area such as a
deep trench unless adequate ventilation, through such items as
exhaust fans or hoses, is provided. Exhaust gas from the engine
contains poisonous carbon monoxide gas; exposure to carbon
monoxide can cause loss of consciousness and may lead to death.
2.2.2DO NOT smoke while operating the machine.
2.2.3DO NOT smoke when refueling the engine.
2.2.4DO NOT refuel a hot or running engine.
2.2.5DO NOT refuel the engine near an open flame.
2.2.6DO NOT spill fuel when refueling the engine.
2.2.7DO NOT run the engine near open flames.
2.2.8DO NOT start the engine if fuel has spilled or a fuel odor is present.
Move the generator away from the spill and wipe the generator dry
before starting.
2.2.9ALWAYS refill the fuel tank in a well-ventilated area.
2.2.10ALWAYS replace the fuel tank cap after refueling.
2.2.11ALWAYS check the fuel lines and the fuel tank for leaks and cracks
before starting the engine. Do not run the machine if fuel leaks are
present or the fuel lines are loose.
wc_si000108gb.fm6
Page 9
GV 7000A / 7003ASafety Information
2.3Service Safety
Poorly maintained equipment can become a safety hazard! In order
for the equipment to operate safely and properly over a long period of
time, periodic maintenance and occasional repairs are necessary. If
WARNING
2.3.1DO NOT use gasoline or other types of fuels or flammable solvents to
2.3.2DO NOT attempt to clean or service the machine while it is running.
2.3.3DO NOT modify the equipment without the express written approval of
2.3.4DO NOT allow water to accumulate around the base of the machine.
the generator is experiencing problems or is being serviced, attach a
“DO NOT START” sign to the control panel to notify other people of its
condition.
clean parts, especially in enclosed areas. Fumes from fuels and
solvents can become explosive.
the manufacturer.
If water is present, move the machine and allow the machine to dry
before servicing.
2.3.5DO NOT service the machine if your clothing or skin is wet.
2.3.6DO NOT allow untrained personnel to service this equipment. Only
trained electrical technicians should be allowed to service the electrical
components of this equipment.
2.3.7ALWAYS keep the machine clean and labels legible. Replace all
missing and hard-to-read labels. Labels provide important operating
instructions and warn of dangers and hazards.
2.3.8ALWAYS replace the safety devices and guards after repairs and
maintenance.
2.3.9ALWAYS let the engine cool before transporting or servicing it.
2.3.10ALWAYS keep hands, feet, and loose clothing away from the moving
parts on the generator and engine.
2.3.11ALWAYS turn the engine off before servicing the machine. If the
engine has electric start, disconnect the negative terminal on the
battery before servicing the machine.
2.3.12ALWAYS keep the fuel lines in good condition and properly connected.
Leaking fuel and fumes are extremely explosive.
wc_si000108gb.fm7
Page 10
Safety InformationGV 7000A / 7003A
2.4Label Locations
ISSINCI
GASOLINA
PETROL
HOT !
CHAUD !
BENZIN
HEISS !
CALDO !
wc_gr001298
DANGER
GEFAHR
PELIGRO
DANGER
DANGER
GEFAHR
PELIGRO
DANGER
wc_si000108gb.fm8
Page 11
GV 7000A / 7003ASafety Information
2.5Safety and Operating Labels
Wacker machines use international pictorial labels where needed.
These labels are described below:
LabelMeaning
WARNING!
HOT !
CHAUD !
HEISS !
CALDO !
Hot surface!
Close the choke.
GASOLINA
PETROL
DANGER
GEFAHR
PELIGRO
DANGER
Gasoline
ISSINCI
BENZIN
Potential Earth.
WARNING!
Electric shock will cause serious injury or
death.
WARNING!
Electric shock hazard. Read operator’s manual
for instructions.
wc_si000108gb.fm9
Page 12
Safety InformationGV 7000A / 7003A
hz
151710
Ins. class
COS
Ø
kW
g
Ø
bs
/M
class
.
odel
.
Seria
o.
GENE
ISO 8528
IN
ITALY
LabelMeaning
DANGER!
DANGER
GEFAHR
PELIGRO
DANGER
Asphyxiation hazard. Read the operator’s
manual for instructions.
DANGER!
No sparks, flames or burning objects near
machine.
Fuel valve
M
Item No
Guaranteed sound power level in dB(A)
A nameplate listing the model number, item
number, revision number, and serial number is
k
N
l
Rev
l N
MADE
RATING SET
attached to each unit. Please record the
information found on this plate so it will be
available should the nameplate become lost or
damaged. When ordering parts or requesting
service information, you will always be asked
to specify the model number, item number,
revision number, and serial number of the unit.
wc_si000108gb.fm10
Page 13
GV 7000A/7003ATechnical Data
3.Technical Data
3.1Generator
Item No.0009348000935300093580009363
GV 7000A Generator
Maximum Output
Continuous Output
kVA
kVA
6.05
5.5
TypeSingle voltage, single phase.
Brushless, capacitor regulator system
AC Voltages Available
Frequency
Volts
phase
Hz
230
1ø
50
Power Factor0.9
AC receptacles:
230V, 16Amp Schuko
230V, 16Amp French
230V, 16Amp Swiss
230V, 16Amp CEE
AC receptacles:
230V, 16Amp Schuko
230V, 16Amp French
230V, 16Amp Swiss
230V, 16Amp CEE
400V, 16Amp CEE
400V, 16Amp Swiss
Main Circuit Breaker
Quantity
Amp
1
-
-
-
1
-
-
1
-
-
1
-
-
-
1
-
-
1
10, 12, 10 2-Pole
-
-
-
1
1
-
Dimensions L x W x H
Weight (dry)
mm (in.)
Kg (lbs.)
735 x 510 x 520 (29 x 20 x 20.5)
81 (179)
wc_td000107gb.fm12
Page 15
GV 7000A/7003ATechnical Data
3.2Engine
GV 7000AGV 7003A
Engine
Engine MakeHonda
Engine ModelGX390K1-VPX4
Rated Power
kW (Hp)
8.3 (11.1)
Spark PlugBPR6ES / W20EPR-U
Electrode Gap
Engine Speed - full load
Engine Speed - no load
Air Cleaner
Engine Lubrication
Engine Oil Capacity
Fuel
Fuel Tank Capacity
Fuel Consumption
mm (in.)
rpm
rpm
type
oil grade
l (qts.)
type
l (gal.)
l (qts.)/hr.
0.7 - 0.8 (0.028 - 0.031)
3000 ± 100
3100 ± 100
Oil-wetted foam element
SAE 10W30 service class SJ
1.1 (1.2)
Regular unleaded gasoline
11 (3)
2.15 (2.27)1.98 (2.09)
3/4 COP*
Running Time
hrs.
5.15.6
3/4 COP*
* Continuous Operating Power
3.3Sound Specifications
The required sound specification, Paragraph 1.7.4.f of 89/392/EEC
Machinery Directive, is:
•guaranteed sound power level (LWA) = 97 dB(A).
This sound value was determined according to ISO 3744 for the sound
power level (LWA).
wc_td000107gb.fm13
Page 16
OperationGV 7000A/7003A
4.Operation
4.1Determining Power Requirements
Wacker generator Model GV 7000A is designed to operate singlephase, 50 Hertz appliances running at 230 VAC. Model GV 7003A is
designed to operate single phase, 50 Hertz appliances running at
230VAC and/or three-phase, 50 Hertz appliances running at 400VAC.
Both single and three phase sides of the generator may be run at the
same time.
CAUTION: Do not exceed the power output of the generator. Damage
to tools or generator will occur. See Technical Data.
Check the nameplate or label provided on tools and appliances to
make sure their power requirements are met by the power output of the
generator. If the wattage is not given for a particular tool or appliance,
contact the tool manufacturer for wattage requirements.
Some appliances and tools require a surge of current when starting.
This means that the amount of power needed to initially start the
equipment is larger than the power required to keep it running. The
generator must be capable of supplying this "surge" current. Other
types of appliances require more power than is actually stated on their
nameplate.
The information in “Approximate Starting Power Requirements” is
offered only as a general guideline to help you determine power
requirements for different types of equipment. Check with your nearest
Wacker dealer, or contact the manufacturer or dealer of the tool or
appliance, if you have questions regarding power requirements.
CAUTION: DO NOT exceed the rated current limit of any receptacle.
CAUTION: If a tool or appliance does not reach full speed within a few
seconds after it is switched on, turn it off immediately to avoid damage.
wc_tx000273gb.fm14
Page 17
GV 7000A/7003AOperation
Approximate Starting Power Requirements
•Incandescent lights and appliances such as irons and hot plates,
which use a resistive-type heating element, require the same wattage
to start and run as is stated on their nameplates.
•Fluorescent and mercury lamps require 1.2–2 times their stated wattage to start.
•Electrical motors and many types of electrical tools often require a
large starting current. The amount of starting current depends on the
type of motor and its use.
•Most electrical tools require 1.2–3 times their stated wattage for starting.
•Loads such as submersible pumps and air compressors require a
very large force to start. They need as much as 3–5 times the wattage
stated on the nameplate in order to start.
If the wattage is not given for a particular tool or appliance, it can be
calculated by multiplying its voltage and amperage requirements:
Single Phase: VOLTS x AMPS = WATTS
Three Phase: VOLTS x AMPS x 1.732 x 0.8 = WATTS
wc_tx000273gb.fm15
Page 18
OperationGV 7000A/7003A
4.2Outdoor Installation
Place the generator in an area where it will not be exposed to rain,
snow, or direct sunlight. Make sure it is positioned on firm, level
ground, so it will not slide or shift. Position the engine exhaust away
from areas where people may be present.
If operating the generator inside a tunnel or deep trench, make sure
there is adequate ventilation. Precautions similar to those required
when operating indoors may be necessary.
The surrounding area must be free from water and moisture. All
components must be protected from excessive moisture.
4.3Indoor Installation
DANGER
If the generator must be installed indoors, adequate ventilation or
exhaust hoses must be provided. When venting exhaust fumes, make
sure the exhaust piping is large enough to prevent excessive back
pressure to the engine. Back pressure reduces engine efficiency and
may cause the engine to overheat.
Exhaust gas from the engine contains poisonous carbon monoxide
gas; exposure to carbon monoxide can cause loss of consciousness
and may lead to death. Never run the generator indoors or in an
enclosed area unless adequate ventilation, through such items as
exhaust hoses or fans, is provided.
When installed indoors, steps to prevent fire and explosion such as
providing a good, earthen ground, removing all flammable materials
near the generator, and using only electrical cables in good condition,
must be observed. See Operating Safety.
wc_tx000273gb.fm16
Page 19
GV 7000A/7003AOperation
4.4Generator Derating
All generators are subject to derating for altitude and temperature.
Internal combustion engines, unless modified, run less efficiently at
higher altitudes due to the reduction of air pressure. This translates
into a lack of power and thus reduction in generator output.
Temperature affects both engine and generator performance. As
temperature increases, an engine will run less efficiently and more
resistance will be found in electrical components. Therefore, as the
temperature increases, the output of the generator decreases. Altitude
also affects the cooling capacity of air—the higher the altitude the less
dense the air is and thus the lower its ability to transfer heat.
For every increase in altitude of 500 m (1650 ft.) above 1000 m (3300
ft.), the output of the generator will be reduced by 3%. For every
increase of 5° C (9° F) in ambient temperature above 40° C (104° F),
the output of the generator will be reduced by 3%. Use the tables
shown for altitude and temperature deration factors. It may be
necessary to consider both altitude and ambient temperature deration
factors to determine true generator output.
Ambient Temp.
°C (°F)
45 (113)3 %0.97
50 (122)6 %0.94
55 (131)9 %0.91
60 (140)12 %0.88
Altitude
m (ft.)
1500 (4900)3 %0.97
2000 (6600)6 %0.94
2500 (8200)9 %0.91
3000 (9900)12 %0.88
3500 (11500)15 %0.85
DerateFactor
DerateFactor
4000 (13100)18 %0.82
wc_tx000273gb.fm17
Page 20
OperationGV 7000A/7003A
4.5Use of Extension Cords
When a long extension cord is used to connect an appliance or tool to
the generator, a voltage loss occurs—the longer the cord, the greater
the voltage loss. This results in less voltage being supplied to the
appliance or tool and increases the amount of current draw or reduces
performance. A cord with a larger cross section will reduce the voltage
loss.
CAUTION: Operating equipment at low voltage can cause it to
overheat.
Use only tough rubber-sheathed cable in accordance with IEC 245-4.
Damaged cords can cause electric shock. Electric shock can cause
serious injury or death. DO NOT use worn, bare, or frayed cords.
Replace damaged cords immediately.
WARNING
Do not exceed the rating of the cord.
Contact the cord manufacturer if in doubt about cord use.
Choose the cord size from the Minimum Extension Cord Size Table or
calculate minimum cord size using the Minimum Extension Cord SizeGraph. The X axis of the graph represents A x m (Ampere x meter)
values. The Y axis represents wire size in mm2. Multiply the operating
current for the load in amps (A) by the desired extension cord length in
meters (m). Find the result along the X axis. Move up the graph until
you reach the appropriate sloped line for your application. Move to the
Y axis; this is the recommended minimum cord size.
Example:
For a 3-phase, 400V application, if the operating current for the load is
15 A, and the desired extension cord length is 100 m, then:
15 A x 100 m = 1500 A x m.
2
1500 A x m = 2.5 mm
.
wc_tx000273gb.fm18
Page 21
GV 7000A/7003AOperation
Minimum Extension Cord Size Chart
Minimum Extension Cord Size
230V/1~/50Hz400V/3~/50Hz
Length mLength m
Amp
25501002002550100200
Rating
Cross sectional area of wire in mm
2
21.51.51.51.51.51.51.51.5
41.51.51.52.51.51.51.51.5
61.51.51.541.51.51.52.5
81.51.52.561.51.51.52.5
101.51.5461.51.51.54
151.52.54101.51.52.56
201.546161.51.546
302.5410251.52.5610
404616---1.546---
Minimum Extension Cord Size Graph
25
16
10
2
mm
wc_tx000273gb.fm19
6
4
2.5
1.5
0
1000
2000
A x m
z
H
0
5
V
0
3
2
~
1
z
H
0
5
V
0
0
4
~
3
300040005000
6000
wc_gr001081
Page 22
OperationGV 7000A/7003A
4.6Grounding the Generator
The neutral of this machine is not connected to ground. Under
standard operating conditions, do not connect the frame PE stud toearth ground. Refer to local codes if machine is used to power a
CAUTION
building or similar distribution system.
4.7Operating Heavy Loads
Limit operations requiring the maximum rated output of the generator
to 20–30 minutes. For continuous operation, do not exceed the
continuous rated output of the generator. Refer to the Generator
Technical Data specification chart.
wc_gr001286
wc_tx000273gb.fm20
Page 23
GV 7000A/7003AOperation
4.8Control Panel
See graphic: wc_gr001275 and wc_gr001369
The circuit breaker protects the generator from severe overloads or
short circuits. If the circuit breaker opens, turn the engine off
immediately and determine the cause before restarting. Check the
appliances and tools attached to the generator for defects and make
sure their power requirements do not exceed the power rating of the
generator or the current limit of the receptacles.
Note: Enlargements of receptacles show protective covers removed
for identification purposes only. Never remove protective covers.
4.9.1Read and understand safety and operating instructions at beginning of
this manual.
4.9.2Read and understand the meanings of all warning and operating
labels.
4.9.3Check:
•oil level in engine.
•fuel level.
•condition of air cleaner.
•tightness of external fasteners.
•condition of fuel lines.
wc_tx000273gb.fm23
Page 26
OperationGV 7000A/7003A
4.10To Start
See Graphic: wc_gr001299
4.10.1Disconnect all loads from the generator and place main circuit breaker
in open position (e2) (GV 5003A, GV 7003A).
4.10.2Open fuel valve (a).
Note: If engine is cold, move choke (b) to closed position—pull out.. If
engine is hot, set choke to open position—push in.
4.10.3Turn engine switch to "ON" (c1) and pull starter rope (d).
Note: If the oil level in the engine is low, the engine will not start. If this
happens, check oil level and add oil as needed.
4.10.4Open choke as engine warms (b).
4.10.5Place main circuit breaker in closed position (e1) (GV 5003A, GV7003A). Allow the engine to warm up for a few minutes before
attaching loads.
e2
e1
4.11To Stop
See Graphic: wc_gr001299
4.11.1Turn off and disconnect all tools and appliances attached to the
4.11.2Turn engine switch to “OFF” (c2).
b
generator.
c2
c1
a
d
wc_gr001299
4.11.3Close fuel valve (a).
Note: To stop engine quickly in an emergency, turn engine switch to
“OFF” (c2).
wc_tx000273gb.fm24
Page 27
GV 7000A/7003AMaintenance
5.Maintenance
5.1Engine Maintenance
The chart below lists basic machine and engine maintenance. Refer to
the engine manufacturer’s Operator’s Manual for additional
information on engine maintenance.
5.2Periodic Maintenance Schedule
Check fuel level.
Check engine oil level.
Inspect air filter. Replace as needed.*
Check external hardware.
Clean air cleaner element.*
Inspect shockmounts for damage.
Change engine oil.*
Check and clean spark plug.
Check and adjust valve clearance.
Clean fuel tank.*
Check condition of fuel line. Replace
when necessary.
Daily
before
starting
After
first
20 hrs.
Every
50
hrs.
Every
100
hrs.
Every
300
hrs.
*Service more frequently in dusty conditions.
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Page 28
MaintenanceGV 7000A/7003A
5.3Engine Oil
See Graphic: wc_gr000022
5.3.1Drain the oil while the engine is still warm.
5.3.2Remove the oil filler plug (a) and the drain plug (b) to drain the oil.
Note: In the interests of environmental protection, place a plastic sheet
and a container under the machine to collect any liquid that drains off.
Dispose of this liquid in accordance with environmental protection
legislation.
5.3.3Install the drain plug.
5.3.4Fill the engine crankcase with the recommended oil up to the level of
the plug opening (c). See Technical Data for oil quantity and type.
5.3.5Install the oil filler plug.
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Page 29
GV 7000A/7003AMaintenance
5.4Air Cleaner
See Graphic: wc_gr0001287
The engine is equipped with a single element air cleaner. Service air
cleaner frequently to prevent carburetor malfunction.
CAUTION: NEVER run the engine without the air cleaner. Severe
engine damage will occur.
NEVER use gasoline or other types of low flashpoint solvents for
cleaning the air cleaner. A fire or explosion could result.
WARNING
To service:
5.4.1Release latches (a) on the top and bottom of the air cleaner cover (b),
and remove the cover.
5.4.2Check the filter element (c) to be sure it is in good condition. Replace
damaged filters.
5.4.3Wash filter element in solution of mild detergent and warm water.
Rinse thoroughly in clean water. Allow element to dry thoroughly. Soak
element in clean engine oil and squeeze out excess oil.
5.4.4Reinstall the element and air cleaner cover.
a
b
c
wc_gr001287
wc_tx000274gb.fm27
Page 30
MaintenanceGV 7000A/7003A
5.5Spark Plug
See Graphic: wc_gr000028
Clean or replace the spark plug as needed to ensure proper operation.
Refer to the engine owner’s manual.
The muffler becomes very hot during operation and remains hot for a
while after stopping the engine. Do not touch the muffler while it is hot.
WARNING
Note: Refer to the Technical Data for the recommended spark plug
type and the electrode gap setting.
5.5.1Remove the spark plug and inspect it.
5.5.2Replace the spark plug if the insulator is cracked or chipped.
5.5.3Clean the spark plug electrodes with a wire brush.
5.5.4Set the electrode gap (a).
5.5.5Tighten the spark plug securely.
CAUTION: A loose spark plug can become very hot and may cause
engine damage.
wc_tx000274gb.fm28
Page 31
GV 7000A/7003AMaintenance
5.6Engine Speed
See Graphic: wc_gr001300
Generators require a fixed engine speed to maintain the correct
voltage. Engine speed is controlled by a governor which automatically
adjusts to varying loads on the engine to maintain a constant speed of
3000 rpm. There is no throttle control.
To set the engine to the proper speed:
Turn the speed adjusting screw (a) in or out to obtain a no-load speed
of 3100 rpm.
CAUTION: Setting the engine speed too high or too low may damage
tools and other appliances attached to the generator.
Adjust engine to the no load or idle speed per the Technical Data.
5.6.1Start the engine and allow it to warm up to normal operating
temperature.
5.6.2Turn the throttle stop screw (a) in to increase speed, out to decrease
speed. Make sure the throttle lever is touching the stop screw before
measuring rpm.
wc_tx000274gb.fm29
a
wc_gr001300
Page 32
MaintenanceGV 7000A/7003A
5.7Storage
Before storing the generator for a long period of time:
5.7.1Close the fuel valve and remove and empty the sediment cup or fuel
strainer.
5.7.2Disconnect the fuel line from the carburetor. Place open end of fuel line
into a suitable container and open fuel valve to drain fuel from tank.
Gasoline is extremely flammable. Drain the fuel tank in a wellventilated area. DO NOT drain the fuel tank in an area with flames or
WARNING
5.7.3Loosen the drain screw on the carburetor and drain any remaining fuel
5.7.4Change the engine oil.
5.7.5Remove the spark plug and pour approximately 30 ml (1 ounce) of
sparks.
from the carburetor.
clean engine oil into the cylinder. Crank the engine a few turns to
distribute the oil to the inside of the cylinder walls.
5.7.6Pull the starter rope slowly until resistance is felt and leave the handle
in this position. This ensures that the intake and exhaust valves are
closed.
5.7.7Store the generator in a clean, dry area.
5.8Transport
Let the engine cool before transporting the generator or storing
indoors, to avoid burns or fire hazards.
WARNING
When transporting the generator:
5.8.1Turn the engine fuel valve to the OFF position.
5.8.2Position the generator level to prevent fuel from spilling.
5.8.3Secure the generator by tying it down with a suitable rope.
When transporting the machine by hand, be sure to employ manpower
commensurate with the weight of the machine. To avoid back injury
WARNING
when lifting the machine, bend the knees to pick it up rather than
bending your back only.
wc_tx000274gb.fm30
Page 33
GV 7000A/7003AMaintenance
5.9Troubleshooting
Problem / SymptomReason / Remedy
If engine doesn't start, check
that:
If engine starts but there is no
power at receptacles, check
that:
If engine starts but runs erratically, check:
•Engine switch is on "Start".
•Fuel valve is open.
•Fuel tank has fuel.
•Choke lever is in correct position. Choke should be
closed when starting a cold engine.
•All loads are disconnected from generator.
•Spark plug is in good condition.
•Spark plug cap is tight.
•Engine oil level is adequate.
•Circuit breaker is closed.
•Wiring from generator to receptacles is tight.
•Condition of air filter.
•Condition of spark plug and plug cap.
•Freshness of fuel.
wc_tx000274gb.fm31
Page 34
MaintenanceGV 7000A/7003A
5.10Electrical Schematic—GV 7000A
See Graphic: wc_gr001302
4
1
5
6
5
6
G
G/Y
3
9
GV 7000A
Ref.DescriptionRef.Description
7
R
R
G
G/Y
wc_gr001302
7
R
8
1Main Windings6Surge Absorber
2Auxiliary Winding7Circuit Breaker
3Capacitor 8Receptacle
230 V, 1 Ø, 16 A
4Rotor Windings9Receptacle
230 V, 1 Ø, 32 A
5Diode
Wire Colors
BBlackVVioletOrOrange
GGreenWWhitePrPurple
LBlueYYellowShShield
PPinkBrBrownLLLight Blue
RRedClClearG/YGreen/Yellow
TTanGrGray
wc_tx000274gb.fm32
Page 35
GV 7000A/7003AMaintenance
5.11Electrical Schematic—GV 7003A
See Graphic: wc_gr001249
1
ROTOR
4
R
L
10
GV 5003A
GV 7003A
5
Br
B
W
Br
W
B
B
3
W
Br
L
Br
W1
V2
Br
W
Br
6
U1
V1
W2
U2
B
W
Br
B
L
7
Br
W
B
L
3~400V/16A
9
G/Y
L
Br
GND
1~230V/16A
8
wc_gr001249
Ref.DescriptionRef.Description
1Main Windings6Terminal board
2Auxiliary Winding7Circuit Breaker
3Regulator (Rectifier) 8Receptacle
230 V, 1 Ø, 16 A
4Rotor Windings9Receptacle
400 V, 3 Ø, 16 A
5Compound (transformer)10Brushes
Wire Colors
BBlackVVioletOrOrange
GGreenWWhitePrPurple
LBlueYYellowShShield
PPinkBrBrownLLLight Blue
RRedClClearG/YGreen/Yellow
TTanGrGray
wc_tx000274gb.fm33
Page 36
MaintenanceGV 7000A/7003A
Notes
wc_tx000274gb.fm34
Page 37
EC DECLARATION OF CONFORMITY
CE-KONFORMITÄTSERKLÄRUNG
DECLARACIÓN DE CONFORMIDAD DE LA CE
DÉCLARATION DE CONFORMITÉ C.E.
WACKER CORPORATION, N92 W15000 ANTHONY AVENUE, MENOMONEE FALLS, WISCONSIN USA
AUTHORIZED REPRESENTATIVE IN THE EUROPEAN UNION
BEVOLLMÄCHTIGTER VERTRETER FÜR DIE EUROPÄISCHE GEMEINSCHAFT
REPRESENTANTE AUTORIZADO EN LA UNIÓN EUROPEA
REPRÉSENTANT AGRÉÉ AUPRÈS DE L’UNION EUROPÉENNE
hereby certifies that the construction equipment specified hereunder / bescheinigt, daß das Baugerät / certifica que la máquina de
construcción / atteste que le matériel :
1. Category / Art / Categoría / Catégorie
WACKER CONSTRUCTION EQUIPMENT AG
Preußenstraße 41
80809 München
Power Generators
Kraftstromerzeuger
Grupos Electrógenos
Groupe Électrogènes de Puissance
2.Type - Typ - Tipo - Type
GV 7000A
3.Item number of equipment / Artikelnummer / Número de referencia de la máquina / Numéro de référence du matériel :
0009348, 0009353, 0009358, 0009363
4.Electric power / Elektrische Leistung / Potencia eléctrica / Force motrice :
4,95 kW
Has been sound tested per Directive 2000/14/EC / In Übereinstimmung mit Richtlinie 2000/14/EG bewertet worden ist / Ha sido
ensayado en conformidad con la norma 2000/14/CE / A été mis à l’épreuve conforme aux dispositions de la directive 2000/14/CEE :
Conformity Assessment Procedure /
Konformitätsbewertungsverfahren /
Procedimiento para ensayar
conformidad / Procédé pour l’épreuve
de conformité
Annex VIII / Anhang VIII
Anexo VIII / Annexe VIII
and has been produced in accordance with the following standards:
und in Übereinstimmung mit folgenden Richtlinien hergestellt worden ist:
y ha sido fabricado en conformidad con las siguientes normas:
et a été produit conforme aux dispositions des directives européennes ci-après :
Name and address of notified
body / Bei folgender
einbezogener Prüfstelle /
Oficina matriculadora /
Organisme agrée
Société Nationale de
Certification et
Homologation L-5201
Sandweiler# 0499
Measured sound power level /
Gemessener Schallleistungspegel / Nivel de potencia
acústica determinado / Niveau de
puissance acoustique fixé
97 dB(A)97 dB(A)
Guaranteed sound power level /
Garantierter Schallleistungs-pegel /
Nivel de potencia acústica
garantizado / Niveau de puissance
acoustique garanti
2000/14/EC
2002/88/EC
89/336/EEC
98/37/EEC
14.02.06
Date / Datum / Fecha / Date
2006_Value_Gen_GV7000A_Q.fm
William Lahner Dan Domanski
Vice President of Engineering Manager, Product Engineering
WACKER CORPORATION
Page 38
Page 39
EC DECLARATION OF CONFORMITY
CE-KONFORMITÄTSERKLÄRUNG
DECLARACIÓN DE CONFORMIDAD DE LA CE
DÉCLARATION DE CONFORMITÉ C.E.
WACKER CORPORATION, N92 W15000 ANTHONY AVENUE, MENOMONEE FALLS, WISCONSIN USA
AUTHORIZED REPRESENTATIVE IN THE EUROPEAN UNION
BEVOLLMÄCHTIGTER VERTRETER FÜR DIE EUROPÄISCHE GEMEINSCHAFT
REPRESENTANTE AUTORIZADO EN LA UNIÓN EUROPEA
REPRÉSENTANT AGRÉÉ AUPRÈS DE L’UNION EUROPÉENNE
hereby certifies that the construction equipment specified hereunder / bescheinigt, daß das Baugerät / certifica que la máquina de
construcción / atteste que le matériel :
1. Category / Art / Categoría / Catégorie
WACKER CONSTRUCTION EQUIPMENT AG
Preußenstraße 41
80809 München
Power Generators
Kraftstromerzeuger
Grupos Electrógenos
Groupe Électrogènes de Puissance
2.Type - Typ - Tipo - Type
GV 7003A
3.Item number of equipment / Artikelnummer / Número de referencia de la máquina / Numéro de référence du matériel :
0009349, 0009354, 0009359, 0009364
4.Electric power / Elektrische Leistung / Potencia eléctrica / Force motrice :
5,68 kW
Has been sound tested per Directive 2000/14/EC / In Übereinstimmung mit Richtlinie 2000/14/EG bewertet worden ist / Ha sido
ensayado en conformidad con la norma 2000/14/CE / A été mis à l’épreuve conforme aux dispositions de la directive 2000/14/CEE :
Conformity Assessment Procedure /
Konformitätsbewertungsverfahren /
Procedimiento para ensayar
conformidad / Procédé pour l’épreuve
de conformité
Annex VIII / Anhang VIII
Anexo VIII / Annexe VIII
and has been produced in accordance with the following standards:
und in Übereinstimmung mit folgenden Richtlinien hergestellt worden ist:
y ha sido fabricado en conformidad con las siguientes normas:
et a été produit conforme aux dispositions des directives européennes ci-après :
Name and address of notified
body / Bei folgender
einbezogener Prüfstelle /
Oficina matriculadora /
Organisme agrée
Société Nationale de
Certification et
Homologation L-5201
Sandweiler# 0499
Measured sound power level /
Gemessener Schallleistungspegel / Nivel de potencia
acústica determinado / Niveau de
puissance acoustique fixé
97 dB(A)97 dB(A)
Guaranteed sound power level /
Garantierter Schallleistungs-pegel /
Nivel de potencia acústica
garantizado / Niveau de puissance
acoustique garanti
2000/14/EC
2002/88/EC
89/336/EEC
98/37/EEC
14.02.06
Date / Datum / Fecha / Date
2006_Value_Gen_GV7003A_Q.fm
William Lahner Dan Domanski
Vice President of Engineering Manager, Product Engineering
WACKER CORPORATION
Page 40
Wacker Construction Equipment AG · Preußenstraße 41 · D-80809 München · Tel.: +49-(0)89-3 54 02 - 0 · Fax: +49 - (0)89-3 54 02-3 90
Wacker Corporation · P.O. Box 9007 · Menomonee Falls, WI 53052-9007 · Tel. : (262) 255-0500 · Fax: (262) 255-0550 · Tel. : (800) 770-0957
Wacker Asia Pacific Operations · Skyline Tower, Suite 2303, 23/F · 39 Wang Kwong Road, Kowloon Bay, Hong Kong · Tel. +852 2406 60 32 · Fax: +852 2406 60 21
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