Toro 724 Snowthrower Manuel utilisateur

Operator’s Manual

Manuel de l’Utilisateur

FORM NO. 3321–795

724

Snowthrower

Model No. 38073–9900001 & Up

724

Déneigeuse

Modèle No. 38073–9900001 et suivants

The Toro Company – 1998

Printed in USA

i

Figures

m–2592

1

English

1. Model

and serial number decal

Français

1.

Décalcomanie de numéros de modèle et de série

653







English

1. Handle

2.

Capscrews and curved

washers

3.

Axle pin

Français

1. Mancheron

2. V

is à collerette et

rondelles bombées

3.

Goupille d’essieu

473







English

1.

Axle pin

2.

Outer axle hole

3.

Inner axle hole and wheel

hub

Français

1.

Goupille d’essieu

2. T

rou extérieur de l’essieu

3. T

rou intérieur de l’essieu

et moyeu

648







English

1.

Speed selector arm

2.

Speed selector rod

3.

Flat washer and cotter pin

Français

1.

Bras de changement de

vitesse

2. T

ige de changement de

vitesse

3.

Rondelle plate et goupille

fendue

1

2

3

4

ii

654

3

1

4

2

4

English

1. T

raction rod

2. Loop

3.

Lower traction rod

4.

Flange nuts

Français

1. T

ige de traction

2. Boucle

3. T

ige de traction inférieure

4.

Ecrous à collerette

879

1

2

3

4

English

1.

Auger control lever

2. T

raction control lever

3.

Speed selector

4.

Speed selector rod

Français

1.

Manette de commande de

tarière

2.

Manette de commande de

traction

3.

Changement de vitesse

4. T

ige de changement de

vitesse

665

1

2

3

4

English

1. T

raction control lever

2. Handgrip

3.

Approximately 4

#/8

inches

4.

One to two inches

Français

1.

Manette de commande de

traction

2. Poignée

3.

Environ 1

1 cm (4,3”)

4.

2,5 à 5 cm (1 à 2”)

5

6

7

iii

649

3

1

5

2

6

4

English

1.

Jam nut

2. Clevis

3.

Upper control rod

4.

Lower control rod

5.

Clevis pin

6.

Cotter pin

Français

1.

Écrou de blocage

2. Chape

3. T

ige de commande

supérieure

4. T

ige de commande

inférieure

5.

Axe de chape

6.

Goupille fendue

665

1

2

3

4

English

1.

Auger control lever

2.

Hand grip

3.

Approximately four inches

4.

One to two inches

Français

1.

Manette de commande de

tarière

2. Poignée

3.

Environ 10 cm (4”)

4.

2,5 à 5 cm (1 à 2”)

886

1

2

English

1.

Chute control bracket and

rod

2.

Capscrew and locknut

Français

1.

Support et tige

d’orientation de l’éjecteur

2.

Boulon six pans et

contre–écrou

658

1

2

3

English

1. W

orm gear and bracket

2.

Bolt, pyramidal washer

and locknut

3.

Mounting flange

Français

1. V

is sans fin et étrier

2.

Boulon, rondelle

pyramidale et

contre-écrou

3. Support

8

9

10

11

iv

667

2

6

8

7

54

1

3

English

1. Chute

2. Deflector

3.

Carriage bolt

4.

Rubber washer

5.

Friction plate

6.

Large flat washer

7.

Curved washer

8. Locknut

Français

1. Éjecteur

2. Déviateur

3.

Boulon de carrossier

4.

Rondelle en caoutchouc

5.

Plaque de frottement

6.

Grande rondelle plate

7.

Rondelle convexe

8. Contre–écrou

684

1

3

2

English

1.

Filler hole

2. Dipstick

3.

Fuel tank cap

Français

1. T

rou de remplissage

2.

Jauge d’huile

3.

Bouchon de réservoir

d’essence

879

1

2

3

4

5

6

English

1.

Auger drive control

2. T

raction control

3.

Speed selector

4.

Discharge chute control

5.

Fuel shut–of

f valve

6.

Chute deflector handle

Français

1.

Manette de tarière

2.

Manette de traction

3.

Changement de vitesse

4.

Commande d’éjecteur

5.

Robinet d’essence

6.

Poignée du déviateur

725

2

1

3

4

5

English

1. Choke

2. Primer

3. Throttle

4.

Recoil starter

5.

Ignition switch

Français

1. Starter

2. Amorceur

3.

Commande des gaz

4. Lanceur

5.

Clé de contact

12

13

14

15

v

m-2754

1

4

2

3

6

3

5

English

1.

Spark plug wire

2. Muf

fler guard

3.

Screw (3), lock

washer (3), washer (3)

4.

Carburetor heater box

5.

Phillips screws (3)

6.

Hex head screw

Français

1.

Fil de bougie

2.

Grille de protection du

silencieux

3. V

is (3), rondelles-frein (3)

et rondelles (3)

4.

Boîtier de chauf

fage

5. V

is phillips (3)

6. V

is six pans

651

1

3

2

English

1. Skid

2.

Auger side plate

3.

Flange nuts

Français

1. Patin

2.

Panneau latéral de la

tarière

3.

Ecrous à collerette

652

3

2

1

English

1. Scraper

2.

Mounting screws

3.

Auger blades

Français

1.

Lame racleuse

2. V

is de montage

3.

Lames de la tarière

16 17

18

vi

726







English

1.

Fuel shut-of

f valve

2.

Hose clamp

3.

Fuel line

Français

1.

Robinet d’essence

2. Collier

3.

Conduite d’alimentation

m–2592



English

1. Screws

Français

1.

Quatre vis à tête

887

m–4070

1

English

1.

Drain plug

Français

1.

Bouchon de vidange d’huile

19

20

21

22

vii

652

1

English

1.

Pipe plug

Français

1.

Obturateur de tuyau

661

2

1

English

1.

Belt cover

2.

Screw (2)

Français

1.

Carter de courroie

2. V

is (2)

664

1

6

3

5

2

4

English

1. T

raction drive belt

2.

Auger/impeller drive belt

3.

Belt guide

4.

Idler pulley

5.

Large auger/impeller

pulley

6.

Engine pulley

Français

1.

Courroie de traction

2.

Courroie de tarière/roue

hélice

3. Guide-courroie

4.

Poulie folle

5.

Grande poulie de

tarière/roue hélice

6.

Poulie moteur

23

24

25

viii

650







English

1. Spring

2.

Notch in side plate

3.

Large traction pulley

Français

1. Ressort

2.

Encoche du panneau

latéral

3.

Grande poulie de traction

659





English

1.

Flange nuts

2.

Speed selector plate

Français

1.

Ecrous à collerette

2. Plaque

de changement de

vitesse

650/913

!/8”





English

1.

Roll pin

2.

Drive assembly

Français

1. Goupille 2. Ensemble

de

transmission

26

27

28

ix

660







English

1. Power

adjusting screw

2.

Idle mixture screw

3.

Idle speed screw

Français

1. V

is de richesse

2. V

is de richesse de ralenti

3. V

is de vitesse du ralenti

110

0.30”

(0.76 mm)

29 30

GB–1

Contents

Page

Contents 1.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Introduction 2

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Safety 3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Before Operating 3

. . . . . . . . . . . . . . . . . . . .

While Operating 4

. . . . . . . . . . . . . . . . . . . . .

Maintaining Snowthrower 5

. . . . . . . . . . . . .

Sound Pressure Level 5

. . . . . . . . . . . . . . . . .

Sound Power Level 5

. . . . . . . . . . . . . . . . . .

Vibration Level 5

. . . . . . . . . . . . . . . . . . . . .

Symbol Glossary

7

. . . . . . . . . . . . . . . . . . . .

Loose Parts 11

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Accessories 11

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Assembly 12

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Install Handle 12

. . . . . . . . . . . . . . . . . . . . . . .

Install Speed Selector Rod 12

. . . . . . . . . . . . .

Install Traction Rod 12

. . . . . . . . . . . . . . . . . .

Install Auger/Impeller Drive Control

Linkage 12

. . . . . . . . . . . . . . . . . . . . . . . . . .

Install Chute Control Rod 13

. . . . . . . . . . . . .

Secure Chute Deflector 13

. . . . . . . . . . . . . . .

Check Tire Pressure 13

. . . . . . . . . . . . . . . . . .

Page

Before Starting 14

. . . . . . . . . . . . . . . . . . . . . . . . . .

Fill Crankcase With Oil 14

. . . . . . . . . . . . . . .

Fill Fuel Tank W

ith Gasoline

14

. . . . . . . . . . .

Operation 16

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Controls 16

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Starting/Stopping 16

. . . . . . . . . . . . . . . . . . . .

Snowthrowing Tips 17

. . . . . . . . . . . . . . . . . .

Adjusting Skids And Scraper Blade 18

. . . . .

Maintenance 19

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Draining Gasoline 19

. . . . . . . . . . . . . . . . . . .

Lubricating Snowthrower 19

. . . . . . . . . . . . .

Changing Crankcase Oil

19

. . . . . . . . . . . . . .

Auger Gear Box Grease 20

. . . . . . . . . . . . . . .

Adjusting Auger/Impeller Drive Belt 20

. . . .

Replacing Auger/Impeller Drive Belt 20

. . . .

Replacing Traction Drive Belt 20

. . . . . . . . . .

Adjusting Traction Drive 21

. . . . . . . . . . . . . .

Adjusting Speed Selector 21

. . . . . . . . . . . . . .

Adjusting Carburetor 22

. . . . . . . . . . . . . . . . .

Replacing Spark Plug 23

. . . . . . . . . . . . . . . . .

Preparing Snowthrower For Storage 23

. . . . .

GB–2

Introduction

Thank you for purchasing a Toro product.

All of us at Toro want you to be completely satisfied

with your new product, so feel free to contact your

local Authorized Service Dealer for help with service,

genuine Toro parts, or other information you may

require.

Whenever you contact your Authorized Service

Dealer or the factory, always know the model and

serial numbers of your product. These numbers will

help the Service Dealer or Service Representative

provide exact information about your specific

product. You will find the model and serial number

decal located in a unique place on the product

(Fig. 1).

For your convenience, write the product model and

serial numbers in the space below.

Model No:

Serial No.

Read this manual carefully to learn how to operate

and maintain your product correctly. Reading this

manual will help you and others avoid personal injury

and damage to the product. Although Toro designs,

produces and markets safe, state-of-the-art products,

you are responsible for using the product properly

and safely. You are also responsible for training

persons who you allow to use the product about safe

operation.

The Toro warning system in this manual identifies

potential hazards and has special safety messages that

help you and others avoid personal injury, even death.

DANGER, WARNING and CAUTION are signal

words used to identify the level of hazard. However,

regardless of the hazard, be extremely careful.

DANGER signals an extreme hazard that will cause

serious injury or death if the recommended

precautions are not followed.

WARNING signals a hazard that may cause serious

injury or death if the recommended precautions are

not followed.

CAUTION signals a hazard that may cause minor or

moderate injury if the recommended precautions are

not followed.

Two other words are also used to highlight

information. “Important” calls attention to special

mechanical information and “Note” emphasizes

general information worthy of special attention.

The left and right side of the machine is determined

by standing behind the handle in the normal

operator’s position.

GB–3

Safety

The 724 SNOWTHROWER meets or exceeds the

Outdoor Power Equipment Institute’s safety

standards for snowthrowers; thus, Toro proudly

displays the OPEI safety seal. T

o ensur

e maximum

safety, best performance, and to gain knowledge of

the product, it is essential that you or any other

operator of the snowthrower read and understand

the contents of this manual before the engine is

ever started. Pay particular attention to the safety

alert symbol

which means CAUTION,

WARNING OR DANGER — “personal safety

instruction.” Read and understand the instruction

because it has to do with safety. Failure to comply

with instruction may result in personal injury.

The following instructions are comparable to the

Instructions For Safe Snowthrowing adopted by the

American National Standards Institute (ANSI). The

snowthrower is designed and tested to offer

reasonably safe service; however, failure to comply

with the following instructions MA

Y RESUL

T IN

PERSONAL INJUR

Y.

WARNING: Engine exhaust contains carbon

monoxide which is an odorless, deadly poison.

Carbon monoxide is also known to the State of

California to cause birth defects. Do not run engine

indoors or in an enclosed area.

Before

Operating

1. Read and understand the contents of this manual

before operating the snowthrower. Become

familiar with all controls and know how to stop

the engine quickly.

2. Keep everyone, especially children and pets,

away from snowthrower and area of operation.

Never allow children to operate the

snowthrower. Adults should operate the

snowthrower only after reading this manual.

3. Thoroughly inspect area thoroughly where

snowthrower will be used. Remove doormats,

sleds, boards, sticks, wire, and any other foreign

objects which might be picked up and thrown by

the snowthrower.

4. Keep all shields and safety devices in place. If a

shield, safety device or decal is illegible,

damaged or lost, repair or replace it before

beginning operation. Also, tighten any loose

nuts, bolts or screws.

5. Wear adequate winter clothing and rubber boots

that will ensure proper footing on slippery

surfaces. Do not wear loose fitting clothing that

could possibly get caught in moving parts.

6. Always wear safety glasses or eye shields during

operation or while performing an adjustment or

repair to protect eyes from foreign objects that

may be thrown from the machine.

7. Adjust both skids so auger/impeller housing

clears gravel or crushed rock surfaces.

8. Before starting the engine, ensure auger/impeller

drive control and traction (wheel drive) control

are in disengaged position.

9. Always use a grounded three wire plug and cord

to start snowthrower equipped with an electric

starter. Extension cord must be connected to a

properly grounded outlet.

10. Fill fuel tank with gasoline before starting the

engine. A

void spilling any gasoline. Because

gasoline is highly flammable, handle it carefully.

DO NOT SMOKE WHILE HANDLING

GASOLINE.

A. Use an approved gasoline container.

B. Fill fuel tank outdoors, not indoors.

NEVER ADD FUEL T

O AN ENGINE

THAT IS RUNNING OR HOT. Engine

must be cool to reduce potential fire hazard.

GB–4

C. Open doors if engine will be started in the

garage because exhaust fumes are

dangerous and could possibly be deadly. Do

not run engine indoors.

D. Wipe up any spilled gasoline. Reinstall

gasoline container cap and snowthrower

fuel tank cap securely before starting the

engine.

While

Operating

11. ROTATING

IMPELLER OR AUGER CAN

CUT OFF OR INJURE FINGERS OR

HANDS. STA

Y BEHIND THE HANDLES

AND AWAY FROM DISCHARGE

OPENING WHILE OPERA

TING THE

SNOWTHROWER. KEEP FACE, HANDS,

FEET, AND ANY OTHER PART OF YOUR

BODY OR CLOTHING A

WAY FROM

CONCEALED, MOVING OR ROT

ATING

PARTS.

12.

BEFORE ADJUSTING, CLEANING,

REP

AIRING, AND INSPECTING THE

SNOWTHROWER, AND BEFORE

UNCLOGGING THE DISCHARGE

CHUTE, SHUT ENGINE OFF AND WAIT

FOR ALL MOVING PAR

TS T

O STOP.

ALSO, PULL WIRE OFF SPARK PLUG

AND KEEP WIRE A

WAY FROM THE

PLUG T

O PREVENT ACCIDENT

AL

STARTING. USE A STICK, NOT YOUR

HAND, T

O REMOVE OBSTRUCTIONS

FROM DISCHARGE CHUTE.

13. Before leaving the operator’

s position—behind

the handles—remove key from ignition switch.

14. Allow engine to warm up outdoors before

clearing snow

.

15. Operate the snowthrower only when there is

good visibility or light. Always maintain secure

footing and balance and keep a firm grip on the

handles, especially when operating in reverse.

Walk; never run.

16. Be attentive when using the snowthrower, and

stay alert for holes in the terrain and other

hidden hazards. Be careful when clearing snow

from a gravel drive because stones could be

picked up and thrown if skids are not adjusted so

auger/impeller housing clears all rocks.

17. Do not make any adjustments while the engine is

running, with the exception of carburetor

adjustments.

18. Never direct discharge of snow or operate

snowthrower near bystanders, glass enclosures,

automobiles and trucks, window wells or a

drop–off without proper adjustment of the snow

chute and deflector angle.

19. Clear snow from slopes by going up and down,

never across the face. Use caution when

changing directions. Use lower gear when

operating on slopes. Never clear snow from

steep slopes.

20. Do not overload the snowthrower by clearing

snow at too fast a rate.

21. Do not use snowthrower on a roof.

22. If a foreign object is hit or snowthrower vibrates

abnormally, stop engine by turning key to OFF

and wait for all moving parts to stop. Pull wire

off spark plug and check snowthrower

immediately for possible damage, an obstruction

or loose parts. Vibration is generally a sign of

trouble. Repair any damage before starting

engine and operating snowthrower again.

23. Do not touch engine while it is running or soon

after it is stopped because the engine will be hot

enough to cause a burn. Do not add oil or check

oil level in crankcase when engine is running.

GB–5

24. Never operate snowthrower at high transport

speeds on slippery surfaces. Use care when

backing.

Maintaining

Snowthrower

25. Perform only those maintenance instructions

described in this manual. Shut engine off before

performing any maintenance service or

adjustment. Additionally, pull wire off spark

plug and keep wire away from plug to prevent

accidental starting. If major repairs are ever

needed, contact your local Authorized TORO

Service Dealer for assistance.

26. Keep snowthrower in safe operating condition

by keeping nuts, bolts, and screws tight. Check

engine mounting bolts frequently to assure they

are tight.

27. Do not overspeed the engine by changing

governor settings.

28. Never store snowthrower with fuel in fuel tank

inside a building where ignition sources such as

an open flame, sparks, hot water and space

heaters, and clothes dryers are present. Allow

engine to cool before storing in an enclosure

such as a garage or storage shed. NEVER

ST

ORE SNOWTHROWER IN HOUSE

(LIVING AREA) OR BASEMENT

BECAUSE GASOLINE AND FUMES ARE

HIGHL

Y FLAMMABLE, EXPLOSIVE,

AND DANGEROUS IF INHALED. Do not

store snowthrower near any open flame or where

gasoline fumes may be ignited by a spark.

29. When storing the snowthrower for an extended

time—off season storage or 30 days—drain

gasoline from fuel tank to prevent a potential

hazard. Store gasoline in a safety–approved red

metal container. Remove key from ignition

switch when storing snowthrower. Store key in a

memorable place.

30. At the time of manufacture, the snowthrower

conformed with or exceeded OPEI safety

standards in effect for snowthrowers. Therefore,

to ensure best performance and safety, purchase

genuine TORO replacement parts and

accessories to keep the TORO all TORO.

NEVER USE “WILL FIT” REPLACEMENT

PAR

TS AND ACCESSORIES.

31.

For safety reasons, use only those accessories

and attachments recommended by The TORO

Company to ensure continued safety certification

of the product. Using unapproved accessories

and attachments could contribute to a potential

hazard.

Sound

Pressure Level

This unit has a sound pressure at the operator’s ear of

90 dB(A), based on measurements of identical

machines per Directive 81/1051/EEC.

Sound

Power Level

This unit has a sound power level of 104 LwA, based

on measurements of identical machines per Directive

79/113/EEC.

Vibration

Level

This unit has a maximum hand-arm vibration level of

19.3 m/s

2

, based on measurements of identical

machines per EN 1033.

GB–6

Read and understand the contents of this manual

before operating the snowthrower. Become familiar

with all controls and know how to stop the engine

quickly.

BEFORE OPERATING

OPERATOR'S

POSITION





HIGH SPEED IMPELLER

WITHIN 2 INCHES OF

OPENING

LOW SPEED AUGER

HAS MOVING PINCH

POINT, CLOSE TO

OPENING

CAUTION: IMPROPER USE MAY RESULT

IN LOSS OF FINGERS, HANDS OR FEET.

GB–7

Symbol

Glossary

Safety

alert triangle —

symbol within triangle

indicates a hazard

Do not open or

remove safety shields

while engine is

running

Safety alert symbol

Stay a safe distance

from the machine

Read operator

’s

manual

Stay a safe distance

from the machine –

single stage

snowthrower

Consult technical

manual for proper

service procedures

Stay a safe distance

from the machine –

two stage

snowthrower

Shut off engine and

remove key before

performing

maintenance or repair

work

Thrown or flying

objects — Whole body

exposure

Shut off engine and

remove key before

leaving operator

position – single

stage snowthrower

Electrical shock –

electrocution

Shut off engine and

remove key before

leaving operator

position – two stage

snowthrower

Cutting or

entanglement of foot –

rotating auger

GB–8

Severing of fingers or

hand – impeller blade

Electric start

Hot surfaces – burns

to fingers or hands

Machine loss of

control – uphill slope

Caustic liquids –

chemical burns to

fingers or hands

Machine loss of

control – downhill

slope

Do not tip battery T

raction drive

Keep dry

Snowthrower collector

auger

Machine travel

direction – forward

Engage

Machine travel

direction – rearward

Disengage

GB–9

On/start Choke

Off/stop

Engine speed

(Throttle)

Fast Neutral

Slow

Snowthrower collector

auger/impeller

Decreasing/Increasing Lock

Engine start

Unlock

Engine stop

Lever operation

Snowthrower chute

direction

Lever operation

GB–10

Primer (start aid)

Unleaded fuel

Primer operation

Cutting of fingers or

hand

Throttle operation Cutting of foot

PowerShift operation

Belt routing

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Toro 724 Snowthrower Manuel utilisateur

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