Toro 73552-9900001 Bedienungsanleitung

Operator’s Manual

IMPORTANT: Read this manual carefully. It contains information about your

safety and the safety of others. Also become familiar with the controls and

their proper use before you operate the product.

FORM NO. 3321–969

Wheel

Horse



523Dxi Tractor

Model No. 73552 – 9900001 & Up

The Toro Company – 1999

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 replacement 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

plate located in a unique place on the product as

shown below

1. Model

and Serial Number Plate

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 we design,

produce and market 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 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 sitting on the seat in the normal operator’s

position.

The engine exhaust from this product

contains chemicals and particulates

known to the State of California to cause

cancer, birth defects, or other

reproductive harm.

IMPORTANT: The engine in this product is

not equipped with a spark arrester muffler.

It is a violation of California Public Resource

Code Section 4442 to use or operate this

engine on any forest–covered, brush–covered

or grass–cover

ed land as defined in CPRC

4126. Other states or federal areas may have

similar laws.

Contents

Page

Safety 3.

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

Safe Operating Practices 3

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

Slope Chart 7

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

Safety and Instruction Decals 9

. . . . . . . . . .

Check Before Operating 10

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

Opening the Hood 10

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

Closing the Hood 11

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

Removing the Side Panels 11

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

Adding Fuel 12

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

Draining Water from the Fuel

Filter/Water Separator 13

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

Check the Engine Oil Level 13

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

Check the Cooling System

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

Check for Debris 15

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

Check the Safety Interlock System 16

. . . . . .

Check the Brake

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

Operation 17

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

Think Safety First 17

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

Controls 17

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

“Key Choice” Key

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

Parking Brake 17

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

Starting and Stopping the Engine 18

. . . . . . .

Operating the Power Take Off (PTO) 19

. . . .

The Safety Interlock System 20

. . . . . . . . . . .

Operating–in–Reverse 20

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

Gauges and Indicator Lights 22

. . . . . . . . . . .

Driving Forward or Backward 24

. . . . . . . . . .

Stopping the Machine 24

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

Re–centering the Steering Wheel 25

. . . . . . . .

Attachment Power Lift 25

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

Positioning the Seat 26

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

Headlights and Taillights 26

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

Positioning the Tilt Steering Wheel 27

. . . . . .

Using the Cruise Control 27

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

The Smart TurnSteering Feature 28

. . . . . .

Pushing the Machine by Hand 28

. . . . . . . . . .

Page

Maintenance 29

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

Service Interval Chart 29

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

Engine Oil 31

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

Changing the Engine Coolant 33

. . . . . . . . . .

Greasing and Lubrication 34

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

Tire Pressure 35

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

Brake 36

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

Fuel Tank 37

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

Fuel Filter 38

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

Front Wheel Toe-In 39

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

Transaxle Fluid 40

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

Fuses 42

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

Headlights 42

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

Taillights 43

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

Battery 43

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

Wiring Diagram 47

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

Wiring Diagram 48

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

Cleaning and Storage 49

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

Troubleshooting 50

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

Contents

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Keep

this engine Owner

’

s Manual with your unit. Should this

engine Owner

’

s Manual become damaged or illegible, replace

immediately

. Replacements may be ordered through the engine

manufacturer.

Safety

This machine meets or exceeds the B71.1–1996

specifications of the American National Standards

Institute, in effect at the time of production.

However, improper use or maintenance by the

operator or owner can result in injury. To reduce

the potential for injury, comply with these safety

instructions and always pay attention to the safety

alert symbol, which means CAUTION,

WARNING, or DANGER—“personal safety

instruction.” Failure to comply with the

instruction may result in personal injury or death.

Safe

Operating Practices

This product is capable of amputating hands and feet

and throwing objects. Always follow all safety

instructions to avoid serious injury or death.

POTENTIAL HAZARD

•Engine exhaust contains carbon monoxide,

which is an odorless, deadly poison.

WHAT CAN HAPPEN

•Carbon monoxide can kill you and is also

known to the State of California to cause

birth defects.

HOW TO AV

OID THE HAZARD

•Do not run engine indoors or in an enclosed

area.

General Operation

1. Read, understand, and follow all instructions in

the operator’s manual and on the machine before

starting.

2. Allow only responsible adults who are familiar

with the instructions to operate the machine.

3. Clear the area of objects such as rocks, toys,

wire, etc., which could be picked up and thrown

by the blade.

4. Be sure the area is clear of other people before

mowing. Stop the machine if anyone enters the

area.

5. Never carry passengers.

6. Do not mow in reverse unless absolutely

necessary. Always look down and behind before

and while backing.

7. Be aware of the mower discharge direction and

do not point it at anyone. Do not operate the

mower without either the entire grass catcher or

the guard in place.

8. Slow down before turning. Sharp turns on any

terrain may cause loss of control.

9. Never leave a running machine unattended.

Always turn off blades, set parking brake, stop

engine, and remove keys before dismounting.

10. Remove both the “ignition” and “Key Choice”

keys and put in a safe place, out of reach of

children, when not using the machine.

11. Turn off blades when not mowing.

12. Keep hands, feet, hair and loose clothing away

from attachment discharge area, underside of

mower and any moving parts while engine is

running.

13. Stop the engine before removing the grass

catcher or unclogging the chute.

14. Mow only in daylight or good artificial light.

15. Do not operate the machine while under the

influence of alcohol or drugs.

16. Watch for traffic when operating near or crossing

roadways.

Safety

17. Use extra care when loading or unloading the

machine onto a trailer or truck.

18. Do not touch equipment or attachment parts

which may be hot from operation. Allow to cool

before attempting to maintain, adjust or service.

Slope Operation

Slopes are a major factor related to loss-of-control

and tip-over accidents, which can result in severe

injury or death. All slopes require extra caution. If

you cannot back up the slope or if you feel uneasy on

it, do not mow it.

•Mow up and down slopes greater than 5°, not

across.

•Mow downhill only on slopes above 10°, never

mow uphill. If a steep slope must be ascended,

back up the hill, and drive forward down the hill,

keeping the machine in gear.

•Remove obstacles such as rocks, tree limbs, etc.

from the mowing area. Watch for holes, ruts or

bumps, as uneven terrain could overturn the

machine. Tall grass can hide obstacles.

•Use slow speed. Choose a low gear so that you

will not have to stop or shift while on the slope.

•Follow the manufacturer’s recommendations for

wheel weight or counterweights to improve

stability.

•Use extra care with grass catchers or other

attachments. These can change the stability of

the machine.

•Keep all movement on slopes slow and gradual.

Do not make sudden changes in speed or

direction.

•Avoid starting or stopping on a slope. If tires

lose traction, disengage the blades and proceed

slowly straight down the slope.

DO NOT

•Do not operate machine on hillsides or slopes

exceeding 15

°.

•Avoid turning on slopes. If you must turn, turn

slowly and gradually downhill, if possible.

•Do not mow near drop-offs, ditches, or

embankments. The machine could suddenly turn

over if a wheel goes over the edge of a cliff or

ditch, or if an edge caves in.

•Do not mow on wet grass. Reduced traction

could cause sliding.

•Do not try to stabilize the machine by putting

your foot on the ground.

•Do not use a grass catcher on steep slopes.

Heavy grass bags could cause loss of control or

overturn the machine.

Safety

Children

Tragic accidents can occur if the operator is not alert

to the presence of children. Children are often

attracted to the machine and the mowing activity.

Never assume that children will remain where you

last saw them. The following requirements must be

followed to prevent injury to children.

1. Keep children out of the mowing area and under

the watchful care of another responsible adult.

2. Be alert and turn the machine off if children

enter the area.

3. Before and while backing, look behind and down

for small children.

4. Never carry children. They may fall off and be

seriously injured or interfere with safe machine

operation.

5. Never allow children to operate the machine.

6. Use extra care when approaching blind corners,

shrubs, trees, the end of a fence or other objects

that may obscure vision.

Service

1. Stop the engine and disconnect spark plug

wire(s) before performing any service, repairs,

maintenance or adjustments.

2. Use extra care when handling gasoline and other

fuels. They are flammable and vapors are

explosive.

A. Use only an approved container.

B. Never remove the gas cap or add fuel when

the engine is running. Allow the engine to

cool before refueling. Do not smoke.

C. Never refuel the machine indoors.

D. Never store the machine or fuel container

inside where there is an open flame, such as

near a water heater or furnace.

3. Never run a machine inside a closed area.

4. Keep nuts and bolts tight, especially the blade

attachment bolts. Keep equipment in good

condition.

5. Never tamper with safety devices. Check safety

systems for proper operation before each use.

6. Keep the machine free of grass, leaves, or other

debris build-up. Clean up oil or fuel spillage.

Allow the machine to cool before storing.

7. Stop and inspect the equipment if you strike an

object. Repair, if necessary, before restarting.

8. Grass catcher components are subject to wear,

damage and deterioration, which could expose

moving parts or allow objects to be thrown.

Frequently check components and replace with

manufacturer’s recommended parts, when

necessary.

9. Mower blades are sharp and can cut. Wrap the

blade(s) or wear gloves, and use extra caution

when servicing them.

10. Use only genuine replacement parts to ensure

that original standards are maintained.

11. Check brake operation frequently. Adjust and

service as required.

12. Battery acid is poisonous and can cause burns.

Avoid contact with skin, eyes and clothing.

Protect your face, eyes and clothing when

working with a battery.

13. Battery gases can explode. Keep cigarettes,

sparks and flames away from battery.

Safety

Slope

Chart

Read all safety instructions on pages 3–5.

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