Honda GCV520 Owner's manual

Brand: Honda

Model: GCV520

Category: Engine

Type: Owner's manual

This manual is also suitable for

GCV530

Keep this owner’s manual handy, so you can refer to it at any time.

This owner’s manual is considered a permanent part of the engine and

should remain with the engine if resold.

The information and specifications included in this publication were in

effect at the time of approval for printing. Illustrations are based on the

GCV530-QEA3 type. Honda Motor Co., Ltd. reserves the right, however,

to discontinue or change specifications or design at any time without

notice and without incurring any obligation whatever. No part of this

publication may be reproduced without written permission.

The engine exhaust from this product

contains chemicals known to the State

of California to cause cancer, birth

defects or other reproductive harm.

03/05/14 17:11:07 31Z0A600_001

INTRODUCTION

Congratulations on your selection of a Honda engine. We are certain

you will be pleased with your purchase of one of the finest engines on

the market.

We want to help you get the best results from your new engine and to

operate it safely. This manual contains the information on how to do

that; please read it carefully.

As you read this manual, you will find information preceded by a

symbol. That information is intended to help you avoid

damage to your engine, other property, or the environment.

We suggest you read the warranty policy to fully understand its

coverage and your responsibilities of ownership. The warranty policy

is a separate document that should have been given to you by your

dealer.

When your engine needs scheduled maintenance, keep in mind that

your Honda servicing dealer is specially trained in servicing Honda

engines. Your Honda servicing dealer is dedicated to your satisfaction

and will be pleased to answer your questions and concerns.

Best Wishes,

Honda Motor Co., Ltd.

03/05/14 17:11:14 31Z0A600_002

INTRODUCTION

A FEW WORDS ABOUT SAFETY

Safety Messages

Safety Headings

Safety Section

Instructions

Your safety and the safety of others are very important. And using this

engine safely is an important responsibility.

To help you make informed decisions about safety, we have provided

operating procedures and other information on labels and in this

manual. This information alerts you to potential hazards that could

hurt you or others.

Of course, it is not practical or possible to warn you about all the

hazards associated with operating or maintaining an engine. You must

use your own good judgment.

You will find important safety information in a variety of forms,

including:

–– preceded by a safety alert symbol and one

of three signal words, DANGER, WARNING, or CAUTION.

These signal words mean:

You WILL be KILLED or SERIOUSLY HURT if

you don’t follow instructions.

You CAN be KILLED or SERIOUSLY HURT if

you don’t follow instructions.

You CAN be HURT if you don’t follow

instructions.

–– such as

IMPORTANT SAFETY INFORMATION.

–– such as

ENGINE SAFETY.

–– how to use this engine correctly and safely.

This entire book is filled with important safety information –– please

read it carefully.

03/05/14 17:11:26 31Z0A600_003

CONTENTS

.......................................................................................ENGINE SAFETY . 5

................................................IMPORTANT SAFETY INFORMATION . 5

........................................................................CONTROLS & FEATURES . 7

............................................COMPONENT & CONTROL LOCATIONS . 7

............................................................................................CONTROLS . 9

....................................................................................Throttle Lever . 9

.........................................Recoil Starter (applicable engine types) . 9

...........................................................................................FEATURES . 10

............................................................................Fuel-cut Solenoid . 10

.............................................................................BEFORE OPERATION . 11

.....................................................IS YOUR ENGINE READY TO GO? . 11

..................................Check the General Condition of the Engine . 11

.............................................................................Check the Engine . 12

............................Check the Equipment Powered by This Engine . 12

............................................................................................OPERATION . 13

...................................................SAFE OPERATING PRECAUTIONS . 13

....................................................................STARTING THE ENGINE . 13

....................................................................STOPPING THE ENGINE . 16

...................................................................SETTING ENGINE SPEED . 17

....................................................................SERVICING YOUR ENGINE . 18

............................................THE IMPORTANCE OF MAINTENANCE . 18

....................................................................MAINTENANCE SAFETY . 19

..............................................................MAINTENANCE SCHEDULE . 20

.............................................................FUEL RECOMMENDATIONS . 21

................................................................ENGINE OIL LEVEL CHECK . 22

.........................................................................ENGINE OIL CHANGE . 23

...........................................................................OIL FILTER CHANGE . 24

..................................................ENGINE OIL RECOMMENDATIONS . 26

....................................................................AIR FILTER INSPECTION . 27

......................................................................AIR CLEANER SERVICE . 28

.................................................................FUEL FILTER INSPECTION . 30

.......................................................................SPARK PLUG SERVICE . 31

.........................SPARK ARRESTER SERVICE (optional equipment) . 33

03/05/14 17:11:30 31Z0A600_004

CONTENTS

.........................................................HELPFUL TIPS & SUGGESTIONS . 35

...................................................................STORING YOUR ENGINE . 35

........................................................................Storage Preparation . 35

........................................................................Storage Precautions . 38

...................................................................Removal From Storage . 39

.................................................................................TRANSPORTING . 40

.....................................TAKING CARE OF UNEXPECTED PROBLEMS . 41

.................................................................ENGINE WILL NOT START . 41

.....................................................................ENGINE LACKS POWER . 41

........................................TECHNICAL & CONSUMER INFORMATION . 42

...............................................................TECHNICAL INFORMATION . 42

..................................................................Serial Number Location . 42

........................................Battery Connections for Electric Starter . 43

.................................................................Remote Control Linkage . 44

..................Carburetor Modification for High Altitude Operation . 45

...........................................................................Oxygenated Fuels . 46

..........................................Emission Control System Information . 47

...........................................................................................Air Index . 49

..................................................................................Specifications . 50

.............................................................................Wiring Diagrams . 52

..............................................................CONSUMER INFORMATION . 55

.........................................................................Honda Publications . 55

.......................................................Customer Service Information . 56

............................QUICK REFERENCE INFORMATION . Inside back cover

03/05/14 17:11:34 31Z0A600_005

ENGINE SAFETY

IMPORTANT SAFETY INFORMATION

Owner Responsibilities

Refuel With Care

Hot Exhaust

Most accidents with engines can be prevented if you follow all

instructions in this manual and on the engine. Some of the most

common hazards are discussed below, along with the best way to

protect yourself and others.

Honda engines are designed to give safe and dependable service if

operated according to instructions. Read and understand this

owner’s manual before operating the engine. Failure to do so could

result in personal injury or equipment damage.

Know how to stop the engine quickly, and understand the operation

of all controls. Never permit anyone to operate the engine without

proper instructions.

Do not allow children to operate the engine. Keep children and pets

away from the area of operation.

Gasoline is extremely flammable, and gasoline vapor can explode.

Refuel outdoors, in a well-ventilated area, with the engine stopped.

Never smoke near gasoline, and keep other flames and sparks away.

Always store gasoline in an approved container. If any fuel is spilled,

make sure the area is dry before starting the engine.

The muffler becomes very hot during operation and remains hot for

a while after stopping the engine. Be careful not to touch the muffler

while it is hot. Let the engine cool before storing it indoors.

To prevent fire hazards and to provide adequate ventilation for

stationary equipment applications, keep the engine at least 3 feet (1

meter) away from building walls and other equipment during

operation. Do not place flammable objects close to the engine.

03/05/14 17:11:45 31Z0A600_006

ENGINE SAFETY

Other Equipment

Carbon Monoxide Hazard

Exhaust gas contains poisonous carbon monoxide. Avoid inhalation of

exhaust gas. Never run the engine in a closed garage or confined area.

Review the instructions provided with the equipment powered by this

engine for any additional safety precautions that should be observed

in conjunction with engine startup, shutdown, operation, or protective

apparel that may be needed to operate the equipment.

03/05/14 17:11:50 31Z0A600_007

CONTROLS & FEATURES

COMPONENT & CONTROL LOCATIONS

SPARK PLUGS

ELECTRIC STARTER

AIR CLEANER

RECOIL STARTER

(applicable engine types)

03/05/14 17:11:54 31Z0A600_008

CONTROLS & FEATURES

OIL FILLER CAP/

DIPSTICK

FUEL PUMP

FUEL FILTER

OIL FILTER

OIL DRAIN BOLT

SCREEN GRID

OIL PRESSURE SWITCH

(applicable engine types)

03/05/14 17:11:59 31Z0A600_009

CONTROLS & FEATURES

Throttle Lever

Recoil Starter (applicable engine types)

CONTROLS

THROTTLE LEVER

FFAASSTT

SSLLOOWW

CCHHOOKKEE

STARTER GRIP

The throttle lever controls engine speed.

Moving the throttle lever in the directions shown makes the engine

runfasterorslower.

Set the lever to CHOKE when the engine is cold.

Some engine applications use a remotely-mounted throttle control

rather than the engine-mounted throttle lever shown here. Refer to the

instructions provided with the equipment powered by this engine for

remote control information.

Pulling the starter grip operates the recoil starter to crank the engine.

03/05/14 17:12:09 31Z0A600_010

CONTROLS & FEATURES

FEATURES

Fuel-cut Solenoid

Oil Pressure Switch (applicable engine types)

The engine is equipped with a fuel-cut solenoid that allows fuel to flow

to the carburetor main jet when the engine switch is in the ON or

START position and stops the flow of fuel to the main jet when the

engine switch is in the OFF position.

The engine must be connected to the battery to energize the fuel-cut

solenoid, allowing the engine to run. If the battery is disconnected,

fuel flow to the carburetor main jet will stop.

The engine is equipped with a oil pressure switch to prevent damage

from lack of lubrication or overheating.

If oil pressure alarm lamp comes on, check the engine oil level, and

add the correct engine oil if necessary (see page ).

To restart the engine, turn the engine switch to the OFF position.

Next, start according to the starting procedure.

If the oil pressure alarm lamp continues to light even through the

engine oil level is correct, stop operating the engine and see an

authorized Honda servicing dealers.

03/05/14 17:12:19 31Z0A600_011

BEFORE OPERATION

IS YOUR ENGINE READY TO GO?

Check the General Condition of the Engine

For your safety, and to maximize the service life of your equipment, it

is very important to take a few moments before you operate the

engine to check its condition. Be sure to take care of any problem you

find, or have your servicing dealer correct it, before you operate the

engine.

Improperly maintaining this engine,

or failing to correct a problem

before operation, could cause a

malfunction in which you could be

seriously injured.

Always perform a preoperation

inspection before each operation,

and correct any problem.

Before beginning your preoperation checks, be sure the engine is level

and the engine switch is in the OFF position.

Look around and underneath the engine for signs of oil or gasoline

leaks.

Remove any excessive dirt or debris, especially around the muffler

and recoil starter.

Look for signs of damage.

Check that all shields and covers are in place, and all nuts, bolts, and

screws are tightened.

03/05/14 17:12:28 31Z0A600_012

BEFORE OPERATION

Check the Engine

Check the Equipment Powered by This Engine

Check the engine oil level (see page ). Running the engine with a

low oil level can cause engine damage.

Check the air filter (see page ). A dirty air filter will restrict air flow

to the carburetor, reducing engine performance.

Check the fuel level. Starting with a full tank will help to eliminate or

reduce operating interruptions for refueling.

Review the instructions provided with the equipment powered by this

engine for any precautions and procedures that should be followed

before engine startup.

03/05/14 17:12:34 31Z0A600_013

OPERATION

SAFE OPERATING PRECAUTIONS

STARTING THE ENGINE

Beforeoperatingtheengineforthefirsttime,pleasereviewthe

IMPORTANT SAFETY INFORMATION

on page and the chapter titled

BEFORE OPERATION

Carbon monoxide gas is toxic.

Breathing it can cause

unconsciousness and even kill you.

Avoid any areas or actions that

expose you to carbon monoxide.

Review the instructions provided with the equipment powered by this

engine for any safety precautions that should be observed in

conjunction with engine startup, shutdown, or operation.

If the fuel tank is equipped with a valve, be sure the fuel valve is in

the OPEN or ON position before attempting to start the engine.

Always keep hands and feet clear of rotating machinery.

03/05/14 17:12:42 31Z0A600_014

OPERATION

SLOW

THROTTLE LEVER

CHOKE

STARTER GRIP

To start a cold engine, move the throttle lever to the CHOKE position.

To restart a warm engine, leave the throttle lever in the SLOW

position.

Some engine applications use a remotely-mounted throttle control

rather than the engine-mounted throttle lever shown here. Refer to

the instructions provided with the equipment powered by this

engine for remote control information.

Turn the engine switch to the ON position.

Operate the starter.

RECOIL STARTER (applicable engine types):

Pull the starter grip lightly until you feel resistance, then pull briskly.

Return the starter grip gently.

03/05/14 17:12:49 31Z0A600_015

OPERATION

CHOKE

THROTTLE LEVER

SSLLOOWW

ELECTRIC STARTER (applicable engine types):

Turn the key to the START position, and hold it there until the engine

starts.

If the engine fails to start within 5 seconds, release the key, and wait

at least 10 seconds before operating the starter again.

Using the electric starter for more than 5 seconds at a time will

overheat the starter motor and can damage it.

If the throttle lever has been moved to the CHOKE position to start

the engine, gradually move it to the SLOW position as the engine

warms up.

When the engine starts, release the key, allowing it to return to the

ON position.

03/05/14 17:12:56 31Z0A600_016

OPERATION

STOPPING THE ENGINE

SSLLOOWW

THROTTLE LEVER

To stop the engine in an emergency, simply turn the engine switch to

the OFF position. Under normal conditions, use the following

procedure.

Move the throttle lever to the SLOW position.

Some engine applications use a remotely-mounted throttle control

rather than the engine-mounted throttle lever shown here. Refer to

the instructions provided with the equipment powered by this

engine for remote control information.

Turn the engine switch to the OFF position.

If the fuel tank is equipped with a valve, turn the fuel valve to the

CLOSED or OFF position.

03/05/14 17:13:03 31Z0A600_017

OPERATION

SETTING ENGINE SPEED

THROTTLE LEVER

FFAASSTT

SSLLOOWW

Position the throttle lever for the desired engine speed.

For engine speed recommendations, refer to the instructions provided

with the equipment powered by this engine.

Do not disconnect the battery from the engine while the engine is

running. Disconnecting the battery causes the fuel-cut solenoid to shut

off the flow of fuel to the carburetor main jet, and the engine will stop.

Some engine applications use a remotely-mounted throttle control

rather than the engine-mounted throttle lever shown here.

03/05/14 17:13:10 31Z0A600_018

SERVICING YOUR ENGINE

THE IMPORTANCE OF MAINTENANCE

Maintenance, replacement or repair of emission control devices and

systems may be done by any engine repair establishment or

individual, using parts that are ‘‘certified’’ to EPA standards.

Good maintenance is essential for safe, economical, and trouble-free

operation. It will also help reduce air pollution.

Improperly maintaining this engine,

or failure to correct a problem

before operation, can cause a

malfunction in which you can be

seriously hurt or killed.

Always follow the inspection and

maintenance recommendations and

schedules in this owner’s manual.

To help you properly care for your engine, the following pages include

a maintenance schedule, routine inspection procedures, and simple

maintenance procedures using basic hand tools. Other service tasks

that are more difficult, or require special tools, are best handled by

professionals and are normally performed by a Honda technician or

other qualified mechanic.

The maintenance schedule applies to normal operating conditions. If

you operate your engine under unusual conditions, such as sustained

high-load or high-temperature operation, or use in unusually wet or

dusty conditions, consult your servicing dealer for recommendations

applicable to your individual needs and use.

03/05/14 17:13:16 31Z0A600_019

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Honda GCV520 Owner's manual

Brand: Honda

Model: GCV520

Category: Engine

Type: Owner's manual

This manual is also suitable for

GCV530

Download PDF

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Honda GCV520 Owner's manual

This manual is also suitable for

Honda GCV520 Owner's manual

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