Generac Power Systems 7500EXL Rated watt Extended Life Generator Bedienungsanleitung

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Portable Generator Owner’s Manual

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.

Model No. 1315-0 (7,500 Watt AC Generator) Manual No. B4369 Revision 3 (9/19/2000)

Visit our Generac website: www.generac-portables.com

7500EXL

Generac Portable Products 7,500 EXL Generator

EQUIPMENT

DESCRIPTION

This generator is an engine–driven, revolving field,

alternating current (AC) generator. It was designed to

supply electrical power for operating compatible electrical

lighting, appliances, tools and motor loads. This manual

contains information for a generator that operates

120 and/or 240 Volt, single phase, 60 Hz devices that

require up to 7,500 watts (7.5 kW) of power that draw up

to 62.5 Amps at 120 Volts or 31.2 Amps at 240 Volts.

CAUTION! Do Not exceed the generator’s

wattage/amperage capacity. Add up the rated watts

of all devices you are connecting to generator

receptacles at one time. This total should not be

greater than 7,500 watts. See “Don’t Overload The

Generator” on page 12.

The 7,500EXL generator has the following features:

• 120/240 Volt, 30 Amp locking receptacle, a 120 Volt,

30 Amp locking receptacle, a 120 Volt, 20 Amp

receptacle, and a 120/240 Volt, 50 Amp receptacle.

• Low Oil Shutdown: Automatically shuts down the engine

if oil drops below safe operating pressure.

• Seven gallon overhead fuel tank with fuel gauge.

• The generator’s revolving field is driven at about

3600 rpm by a Generac Power Systems 15 HP electric

start engine.

DANGER! Do Not tamper with engine governed

speed. High operating speeds are dangerous and

increase risk of personal injury or damage to

equipment. The generator supplies correct rated

frequency and voltage only when running at proper

governed speed. Incorrect frequency and/or voltage

can damage some connected electrical loads.

Operating at excessively low speeds imposes a heavy

load. When adequate engine power is not available,

engine life may be shortened.

SAFETY RULES

This generator set was designed and manufactured for

specific applications. Do Not attempt to modify the unit

or use it for any application it was not designed for. If you

have any questions about your generator’s application, ask

your dealer/distributor or consult the factory.

The manufacturer could not possibly anticipate every

circumstance that might involve a hazard. For that reason

warnings in the manual and warnings on tags or decals

affixed to the unit are not all–inclusive. If you intend to

handle, operate or service the unit by a procedure or

method not specifically recommended by the manufacturer,

first make sure that such a procedure or method will not

render this equipment unsafe or pose a threat to you and

others.

Read this manual carefully and become familiar

with your generator set. Know its applications, its

limitations and any hazards involved.

DANGER! You must isolate the generator from

the electric utility by opening the electrical system’s

main circuit breaker or main switch if this unit is

used for backup power. Failure to isolate the

generator from the power utility may result

in injury or death to electric utility workers

and damage to the generator due to a backfeed

of electrical energy. Whenever unit is providing

backup power, the electric utility must be notified.

DANGER! Generator exhaust gases contain

DEADLY carbon monoxide gas. Carbon

monoxide, if breathed in sufficient

concentrations, can cause unconsciousness or

death. Operate this equipment outdoors where

adequate ventilation is available.

The Emission Control System for this generator is

warranted for standards set by the Environmental

Protection Agency. For warranty information refer to the

engine owner’s manual.

The engine exhaust from this product contains

chemicals known to the State of California to

cause cancer, birth defects, or other

reproductive harm.

WARNING:

Generac Portable Products 7,500 EXL Generator

• The generator produces a very powerful voltage that can

cause serious injury or death by electrocution. Never

touch bare wires or receptacles. Never permit a child

or any unqualified person to operate the generator.

•Never handle any kind of electrical cord or device while

standing in water, while barefoot or while hands or feet

are wet. Death or serious injury from electrocution may

result.

• Use a ground fault circuit interrupter (GFCI) in any damp

or highly conductive area (such as metal decking or steel

work).

•Never use worn, bare, frayed or otherwise damaged

electrical cords with the generator. Death, serious injury

and property damage from electrical shock may result.

•Gasoline is highly FLAMMABLE and its vapors

are EXPLOSIVE. Never allow smoking, open

flames, sparks or heat in the vicinity while

handling gasoline. Avoid spilling gasoline on a hot

engine. Comply with all laws regulating storage and

handling of gasoline.

•Do Not overfill the fuel tank. Always allow room for

fuel expansion. If tank is overfilled, fuel can overflow

onto a hot engine and cause a FIRE or an

EXPLOSION.

•Never store a generator with fuel in the tank where

gasoline vapors might reach an open flame, spark or pilot

light (as on a furnace, water heater, clothes dryer). FIRE

or an EXPLOSION may result.

• The unit requires an adequate flow of cooling air for its

continued proper operation. Never operate the unit

inside any room or enclosure where the free flow of

cooling air into and out of the unit might be obstructed.

Allow at least 2 feet of clearance on all sides of generator,

even while operating unit outdoors, or you could damage

the unit. See “Cold Weather Operation” on page 10.

•Never start or stop the unit with electrical loads

connected to receptacles with the connected devices

turned ON. Start the engine and let it stabilize before

connecting any electrical loads. Disconnect all electrical

loads before shutting down the generator.

•Do Not insert any object through cooling slots of the

engine. You could damage the unit or injure yourself.

•Never operate the generator:

in rain; in any enclosed compartment; when connected

electrical devices overheat; if electrical output is lost; if

engine or generator sparks; if flame or smoke is

observed while unit is running; if unit vibrates

excessively.

GROUNDING THE

GENERATOR

The National Electric Code requires the frame and

external electrically conductive parts of the generator be

properly connected to approved earth ground. Local

electrical codes may also require proper grounding of the

unit. For this purpose, a ground lug (Figure 1) is provided

on the cradle.

Generally, connecting a No. 12 AWG (American Wire

Gauge) stranded copper wire to the ground lug screw and

to an earth–driven copper or brass grounding rod

(electrode) provides adequate protection against electrical

shock. However, local codes may vary widely. Consult with

a local electrician for grounding requirements in your area.

Be sure to keep the ground wire attached while you

connect the electrode.

Properly grounding the generator helps prevent electrical

shock if ground fault conditions exists in the generator or

in connected electrical devices. Proper grounding also helps

dissipate static electricity, which often builds up in

ungrounded devices.

Figure 1 — Grounding Wing Nut

Grounding Wing Nut

Generac Portable Products 7,500 EXL Generator

INSTALL WHEEL KIT AND

BATTERY TRAY

To install these items, you need the following tools:

• Socket wrench with 1/2" or 13mm socket.

• Box or open end 3/8” wrench.

Install Wheel Kit

• Place the generator on a hard flat surface (Figure 2).

• Place temporary blocks beneath the cradle.

• Slide the axle through the holes in the brackets provided

on the generator cradle and then add one spacer on

each protruding end of the axle.

• Slide a wheel on each end of the axle and secure with

washer and retaining pin. If wheel does not spin freely,

omit one or both washers.

NOTE: Make sure the air inflation valve faces outward on

each wheel.

• Attach the vibration mounts to the support leg with

capscrews, washers, and lock nuts.

• Attach the support leg with two capscrews and two lock

nuts to the cradle. Remove the temporary blocks.

• Attach the handle with four capscrews and four lock nuts

on the control panel end of the unit.

Figure 2 — Assemble Wheel Kit

Handle

Wheel

Axle

Retaining Pin

Wheel

Spacer

Support Leg

Vibration Mount

Hex Head

Capscrew,

M8 x 30mm

Lock Nut, M8

Flat

Washer

5/8

Hex Head

Capscrew,

M8 x 20mm

Flat Washer

Hex Head

Capscrew,

M8 x 45mm

Lock Nut, M8

Generac Portable Products 7,500 EXL Generator

Installing Tray and Battery

To obtain electric start, you must purchase and install a

12 Volt DC battery (Series U1–109). The battery should

be serviced as necessary and fully charged prior to

installation. Install the battery as follows:

• Find the battery tray and fasteners shipped loose in the

carton. You should have one battery hold down bracket,

a black battery cable, a red battery cable, two 7" J bolts,

two lock washers, two flat washers and two hex nuts.

• Remove the four battery tray screws from cradle.

• Position the battery tray and install with screws removed

above (Figure 3).

• Set battery onto tray.

• Retain battery to tray with hold down bracket, two

J bolts, two lock washers, two flat washers and two hex

nuts (Figure 4). Tighten with 3/8” wrench.

• Connect one end of the red battery cable to the

outboard terminal of the engine start switch.

• Connect other end of the red battery cable from the

engine start switch to positive (+) terminal on the

battery (Figure 5).

• Connect the black battery cable to the negative (–)

terminal on the battery (Figure 5).

• Connect the other end of the black cable to the engine,

not the frame (Figure 5).

CAUTION! Be sure the black cable is connected

to the engine and not the frame. Failure to connect

cable to the engine block will result in damage to the

wiring which is not covered under warranty.

• Double check all connections to ensure they are in the

correct locations and secure.

Figure 3 — Install Battery Tray

Figure 4 — Secure 12 Volt Battery

Figure 5 — Wire Connections

RED wire

from battery

BLACK wire

from battery

Generac Portable Products 7,500 EXL Generator

12 Volt DC,10 Amp Receptacle — Recharge a

discharged 12 Volt automotive type battery through this

receptacle.

120/240 Volt AC, 50 Amp Receptacle — May be used

to supply electrical power for the operation of

120/240 Volt AC, 50 Amp, single phase, 60 Hz electrical

loads.

120/240 Volt AC, 30 Amp Locking Receptacle —

May be used to supply electrical power for the operation

of 120 and/or 240 Volt AC, 30 Amp, single phase, 60 Hz,

AC electrical lighting, appliance, tool and motor loads.

120 Volt AC, 20 Amp Receptacle — May be used to

supply electrical power for the operation of 120 Volt AC,

20 Amp, single phase, 60 Hz electrical lighting, appliance,

tool and motor loads.

120 Volt AC, 30 Amp Locking Receptacle — May be

used to supply electrical power for the operation of

120 Volt AC, 30 Amp, single phase, 60 Hz electrical

lighting, appliance, tool and motor loads.

Air Cleaner — Uses a dry type filter element and foam

pre–cleaner to limit the amount of dirt and dust sucked

into the engine.

Choke Lever — Used when starting a cold engine.

Circuit Breakers (AC) — Each receptacle is provided

with a circuit breaker to protect the generator against

electrical overload. Breakers are "push to reset" type.

Engine Start Switch - Pressed to start the engine.

Fuel Tank — Capacity of seven (7) U.S. gallons.

Grounding Wing Nut — Used for proper grounding of

unit.

Idle Control Switch — With this switch set to ON,

printed circuit board in control panel automatically reduces

engine speed when no load is connected and increases

engine to proper speed when load is applied. However, be

sure switch is OFF when starting engine.

Recoil Starter — Used as backup method of starting

engine.

Run/Stop Switch — Set this switch to "RUN" before

using recoil starter. Set switch to "STOP" to switch OFF

engine.

Spark Arrester Muffler — Exhaust muffler lowers

engine noise and is equipped with a spark arrester screen.

KNOW YOUR GENERATOR

Read this owner’s manual and safety rules before operating your generator.

Compare the illustrations with your generator, to familiarize yourself with the locations of various controls and

adjustments. Save this manual for future reference.

120 Volt AC, 20 Amp

Receptacle

120/240 Volt AC,

50 Amp Receptacle

Fuel Tank

Idle Control Switch

Engine Start Switch

Choke Lever

Recoil Starter

12 Volt DC, 10 Amp

Receptacle

Run/Stop Switch

120 Volt AC,

30 Amp Receptacle

Circuit Breakers (AC)

120/240 Volt AC,

30 Amp Receptacle

Spark Arrester Muffler

Air Cleaner

Grounding Wing Nut

Generac Portable Products 7,500 EXL Generator

BEFORE STARTING THE

ENGINE

Add Oil

WARNING! Any attempt to crank or start the

engine before it has been properly filled with the

recommended oil may result in an engine failure.

To fill your engine with oil:

• Place generator on a level surface.

• Clean area around oil fill and remove oil fill cap.

• Select the oil's viscosity grade and fill engine with oil

following the instructions given in the engine owner’s

manual. Do Not overfill!

• Install oil fill cap.

NOTE: The generator’s revolving field rides on a pre-

lubricated and sealed ball bearing that requires no

additional lubrication for the life of the bearing.

Add Gasoline

DANGER! Explosion Hazard! Never fill fuel tank

indoors. Never fill fuel tank when engine is running

or hot. Do Not light a cigarette or smoke when

filling the fuel tank.

WARNING! Do Not overfill the fuel tank.

Always allow room for fuel expansion.

• Use regular UNLEADED gasoline with the Generator

engine. Do Not use premium gasoline. Do Not mix oil

with gasoline.

• Clean area around fuel fill cap, remove cap.

• Add unleaded regular gasoline, slowly to fuel tank. Be

careful not to overfill. Allow about 1/2" of tank space for

fuel expansion (Figure 6).

• Install fuel cap and wipe up any spilled gasoline.

IMPORTANT: It is important to prevent gum deposits

from forming in essential fuel system parts such as the

carburetor, fuel filter, fuel hose or tank during storage.

Also, experience indicates that alcohol-blended fuels (called

gasohol, ethanol or methanol) can attract moisture, which

leads to separation and formation of acids during storage.

Acidic gas can damage the fuel system of an engine while in

storage.

To avoid engine problems, the fuel system should be

emptied before storage of 30 days or longer. See “Storage”

on page 13. Never use engine or carburetor cleaner

products in the fuel tank or permanent damage may occur.

Figure 6 — Fuel Expansion Space

Generac Portable Products 7,500 EXL Generator

OPERATING THE

GENERATOR

CAUTION! Never start or stop the engine with

electrical loads connected to the unit and with the

connected devices turned ON.

Starting the Engine

Disconnect all electrical loads from the generator. Use the

following start instruction steps by numerical order:

1. Make sure the Idle Control switch is in “Off” position.

2. Turn the fuel valve to the “On” position (Figure 7).

3. Set the Run/Stop switch to “Run” position (Figure 8).

4. Place the choke lever in the “Full” choke position

(Figure 9).

5A. For electric starting, press start switch on generator

cradle until engine starts. To prolong the life of the

starter components, press the starter button for no

more than 15 seconds, then pause for 30 seconds.

5B. For manual starting, grasp the recoil handle and pull

slowly until slight resistance is felt. Then pull rapidly

one time only to start engine.

• If engine starts, proceed to step 7.

• If engine fails to start, proceed to step 6.

6. Move the choke lever to “Half” choke position, and

pull recoil handle twice.

• If engine fails to start, repeat steps 4 thru 6.

7. Move choke lever to “Run” position. If engine falters,

move choke lever to “Half” choke position until the

engine runs smoothly, and then to “Run” position.

NOTE: If engine still fails to start after 3 pulls, check for

proper oil level in crankcase. This unit is equipped with a

Low Oil Shutdown System. See engine manual.

Connecting Electrical Loads

• Let engine stabilize and warm up for a few minutes after

starting.

• Plug in and turn on the desired 120 and/or 240 Volt AC,

single phase, 60 Hertz electrical loads.

•Do Not connect 240 Volt loads to 120 Volt receptacles.

•Do Not connect 3–phase loads to the generator.

•Do Not connect 50Hz loads to the generator.

•DO NOT OVERLOAD THE GENERATOR. Add up

the rated watts (or amps) of all loads to be connected at

one time. This total should not be greater than the rated

wattage/amperage capacity of the generator. See “Don’t

Overload the Generator” on page 11.

Stopping the Engine

• Unplug all electrical loads from generator panel

receptacles. Never start or stop engine with electrical

devices plugged in and turned on.

• Put the Idle Control switch in the “Off” position.

• Let engine run at no–load for 30 seconds to stabilize the

internal temperatures of engine and generator.

• Move Run/Stop switch to “Stop”.

• Close the fuel shut–off valve.

Figure 9 — Choke Lever

“Full” choke

Position

Figure 7 — Fuel Valve Operation

Figure 8 — Run/Stop Switch

Generac Portable Products 7,500 EXL Generator

Operating Automatic Idle Control

This control is designed to greatly improve fuel economy.

When this switch is turned “ON”, the engine will only

run at its normal high governed engine speed when an

electrical load is connected. When the electrical load is

removed, the engine will run at a reduced speed. With

the switch “Off”, the engine will run constantly at high

engine speed. Always have the switch “Off” when

starting and stopping the engine.

Battery Safety

DANGER! Storage batteries give off explosive

hydrogen gas while recharging. An explosive mixture

will remain around the battery for a long time after

it has been charged. The slightest spark can ignite

the hydrogen and cause an explosion. Such an

explosion can shatter the battery and cause

blindness or other serious injury.

DANGER! Do Not permit smoking, open flame,

sparks or any other source of heat around a battery.

Wear protective goggles, rubber apron and rubber

gloves when working around a battery. Battery

electrolyte fluid is an extremely caustic sulfuric acid

solution that can cause severe burns. If spill occurs,

flush area with clear water immediately.

Charging a Battery

Your generator has the capability of recharging a discharged

12 Volt automotive or utility style storage battery. Do Not

use the generator to charge any 6 Volt batteries. Do Not

use the generator to crank an engine having a discharged

battery.

To recharge 12 Volt batteries, proceed as follows:

• Check fluid level in all battery cells. If necessary, add

ONLY distilled water to each cell. Do Not use tap

water.

• If the battery is equipped with vent caps, make sure they

are installed and are tight.

• If necessary, clean battery terminals.

• Connect battery charge cable connector plug to panel

receptacle identified by the words “12-VOLTS D.C.”

• Connect battery charge cable clamp with red handle to

the positive (+) battery terminal (Figure 10).

• Connect battery charge cable clamp with black handle

to the negative (–) battery terminal (Figure 10).

• Start engine. Let the engine run while battery recharges.

• When battery has charged, shut down engine.

NOTE: Use an automotive hydrometer to test battery

state of charge and condition. Follow the hydrometer

manufacturer’s instructions carefully. Generally, a battery is

considered to be at 100% state of charge when specific

gravity of its fluid (as measured by hydrometer) is 1.260 or

higher.

Figure 10 — Battery Connections

Generac Portable Products 7,500 EXL Generator

COLD WEATHER

OPERATION

Under certain weather conditions (temperatures below

40°F [4°C] and a high dew point), your Generac generator

may experience icing of the carburetor and/or the

crankcase breather system.

In an emergency, use the original shipping box as a

temporary shelter:

• Cut off all flaps.

• Cut out one of the long sides of the box to expose

exhaust side of unit. Ensure a minimum of two feet

clearance between open side of box and nearest object.

• Cut appropriate slots to access receptacles and clear

handles.

• Start unit, then place box over it.

IMPORTANT: Remove shelter when temperature is

above 40°F [4°C].

For a more permanent shelter, build a structure that will

enclose three sides and the top of the generator:

• Make sure entire muffler-side of generator is exposed.

Note that your generator may appear different from that

shown in Figure 11.

• Ensure a minimum of two feet clearance between open

side of box and nearest object.

• Face exposed end away from wind and elements.

• Enclosure should hold enough heat created by the

generator to prevent problems.

CAUTION! Never run unit indoors. Do Not

enclose generator any more than shown. Remove

shelter when temperatures are above 40°F [4°C].

RECEPTACLES

This generator is equipped with the following receptacles:

120 Volt AC, 20 Amp Receptacle

This outlet is protected against overload by a 20 Amp

push-to-reset circuit breaker (Figure 12).

Use each socket to operate 120 Volt AC, single phase,

60 Hz electrical loads requiring up to 2,400 watts (2.4 kW)

at 20 Amps. Use cord sets that are rated for 125 Volt loads

at 20 Amps (or greater).

120 Volt AC, 30 Amp Locking

Receptacle

Use a NEMA L5–30 plug with this receptacle. Connect a

3–wire cord set rated for 125 Volts AC at 30 Amps to the

plug (Figure 13).

Figure 12 — 120 Volt AC, 20 Amp Receptacle

Wind

Figure 11 — Temporary Cold Weather Shelter

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