Toro LAWN-BOY Series Bedienungsanleitung

MANUAL

About This Manual

We hope that you find this manual a valuable addition to your service shop. If you have

comments or questions about this manual contact your Distributor Service Manager or us

directly at the following address:

The Toro Company

Consumer Service Department

8111 Lyndale Avenue South

Bloomington, MN 55420-1196

The Toro Company reserves the right to change product specifications or this manual

without notice.

The Toro Company - 2002

Bloomington, MN 55420-1149- U.S.A.

Table of Contents

Introduction

Manual Purpose ............................................................ 1-1

Intended Audience .......................................................... 1-1

Contents .................................................................. 1-1

Elements of Great Quality of Cut

Overview ................................................................. 2-1

Setup .................................................................... 2-1

Operator Instruction ......................................................... 2-2

Mower Preparation ...................................................... 2-2

Lawn Preparation ....................................................... 2-2

Safety ................................................................ 2-2

Mowing Tips ........................................................... 2-3

Inspecting and Sharpening the Blade

Overview ................................................................. 3-1

Removing the Blade ......................................................... 3-1

Inspecting the Blade ........................................................ 3-2

Sharpening the Blade ....................................................... 3-2

Balancing the Blade ......................................................... 3-2

Installing the Blade .......................................................... 3-3

Checking and Adjusting the Blade Level

Overview ................................................................. 4-1

Walk Behind Mower Overview ................................................. 4-1

Riding Mower Overview ...................................................... 4-2

Checking Blade Level--All Mowers ............................................. 4-2

Preparing the Workspace ................................................. 4-2

Measuring Blade Level ................................................... 4-3

Checking and Adjusting Blade Tracking ......................................... 4-4

Walk Behind Mowers ..................................................... 4-4

Riding Mowers .......................................................... 4-4

Adjusting Blade Level ....................................................... 4-4

Walk Behind Mowers ..................................................... 4-4

Specifications and Tolerances .......................................... 4-4

Adjusting Height of Cut ................................................ 4-5

Models with Height of Cut Lever on Each Wheel ......................... 4-5

Mechanism Descriptions ........................................ 4-5

Slipping Height of Cut Adjuster ................................... 4-5

Wheel Does Not Touch Ground ................................... 4-6

Service Dealer's Guide to Great Quality of Cut i

Table of Contents

Adjusting Side-to-Side Level .....................................

Adjusting Front-to-Rear Pitch ....................................

Models with Single Height of Cut Adjustment Lever ......................

Wheel Does Not Touch Ground ..................................

Adjusting Side-to-Side Level .....................................

Adjusting Front-to-Rear Pitch ....................................

Riding Mowers .........................................................

825 Rear Engine Rider ...............................................

Adjusting Side-to-Side Level ........................................

Adjusting

32-inch Rear

Adjusting

Front-to-Rear Pitch .......................................

Blade Tracking ..........................................

Engine Rider ............................................

Side-to-Side Level ........................................

Front-to-Rear Pitch .......................................

Adjusting Blade Tracking ..........................................

Series Front Engine Rider ..........................................

4-6

4-7

4-8

4-9

Adjusting Side-to-Side Level--All Cutting Units ........................ 4-10

Adjusting Front-to-Rear Pitch ...................................... 4-11

32-inch (81.3cm) Cutting Unit ................................... 4-11

38-inch (96.5cm) Cutting Unit ................................... 4-12

44-inch (111.7cm) Cutting Unit .................................. 4-13

Adjusting Blade Tracking ......................................... 4-14

32-inch (81.3cm) Cutting Unit ................................... 4-14

38- and 44-inch (96.5 and 111.7cm) Cutting Units ................... 4-15

260 Series Tractor .................................................. 4-16

38-inch (96.5cm) Mower .......................................... 4-16

Adjusting Side-to-Side Level .................................... 4-16

Adjusting Front-to-Rear Pitch ................................... 4-17

42-, 48-, 52-inch (106.6,121.9, 132.0cm) Mowers ...................... 4-17

Adjusting Side-to-Side Level with Mower Suspended ................ 4-18

Front-to-Rear Pitch ........................................... 4-18

Blade Tracking--All 260 Series .................................... 4-18

300-400-500 Series Garden Tractor (Excluding 5xi Series) .................. 4-19

Adjusting Side-to-Side Level ....................................... 4-19

Adjusting Front-to-Rear Pitch ...................................... 4-19

Adjusting Blade Tracking ......................................... 4-20

ii Service Dealer's Guide to Great Quality of Cut

Table of Contents

5xi Series Tractors .................................................. 4-20

Adjusting Side-to-Side Level ....................................... 4-20

44-, 48-, 52-inch (111.7, 121.9, 132.0cm) Mowers ................... 4-20

60-inch (152.4cm) Mower ...................................... 4-21

Adjusting Front-to-Rear Pitch ....................................... 4-21

Adjusting Transport Blade Pitch ..................................... 4-21

Adjusting Blade Tracking .......................................... 4-22

TimeCutter Z ....................................................... 4-22

Adjusting Side-to-Side Level ....................................... 4-22

Adjusting Front-to-Rear Pitch ....................................... 4-23

Adjusting Blade Tracking .......................................... 4-23

Troubleshooting Quality of Cut

General Troubleshooting Procedures ........................................... 5-1

Specific Quality of Cut Problems and Possible Solutions ............................ 5-1

Blowout ............................................................... 5-1

Clumping .............................................................. 5-1

Clogged Chute (Bagging or Side Discharging Only) ............................. 5-2

Dribbling .............................................................. 5-2

Ragged Cut ............................................................ 5-2

Scalping ............................................................... 5-2

Stair Step or Sawtooth Cut ................................................ 5-2

Stragglers ............................................................. 5-2

Streaking .............................................................. 5-2

Uncut Grass ........................................................... 5-3

Windrow .............................................................. 5-3

Kits to Improve Quality of Cut

Toro Recycler Mulch Plug .................................................... 6-1

Washout Port Kit P/N 95-3282 ................................................. 6-1

Cast Deck Height of Cut Notch Repair Kits ....................................... 6-1

Anti-scalping Roller Kit P/N 93-3898 ............................................ 6-2

Level Assist Kit P/N 94-9780 .................................................. 6-2

Level Assist Kit P/N 94-1592 .................................................. 6-2

Baffle Kits ................................................................. 6-2

Appendices

Glossary .................................................................. 7-1

Special Tools .............................................................. 7-7

Mower Quality of Cut Checklist ................................................ 7-8

Service Dealer's Guide to Great Quality of Cut iii

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iv Service Dealer's Guide to Great Quality of Cut

Introduction

Manual Purpose .

This manual describes the setup, operator instruction,

and mowing tips that promote a great quality of cut.

This manual contains material covering Toro and 6.

Lawn-Boy brand rotary mowers built in 2002. This

information also applies to similarly-designed products

produced before or after 2002. The Toro Company has

made every effort to make the information in this

manual complete and correct. 7.

Intended Audience

This manual is written expressly for the Toro and

Lawn-Boy servicing dealer. It assumes the reader has

basic mechanical knowledge and skills.

Troubleshooting Quafity of Cut -- This section

describes general quality of cut troubleshooting

procedures and procedures for addressing

specific quality of cut problems.

Kits to Improve Quafity of Cut- This section

describes kits designed to address specific quality

of cut problems on certain Toro and Lawn-Boy

brand rotary mowers.

Appendices -- This section contains a glossary of

quality of cut terms and a list of special tools used

in addressing quality of cut problems. It also

contains a Mower Quality of Cut Checklist for use

when troubleshooting quality of cut problems.

Contents

This manual contains the following sections:

1. Introduction -- This section.

Elements of a Great Quafity of Cut- This section

provides an overview of the setup and operator

instruction that promote a great quality of cut.

Inspecting and Sharpening the Blade -- This

section describes how to remove, inspect,

sharpen, balance, and install a blade.

Checking and Adjusting Blade Level- This

section describes how to check and adjust the

blade level on all types of Toro and Lawn-Boy

brand rotary mowers built in 2002.

Service Dealer's Guide to Great Quality of Cut 1 - 1

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1 - 2 Service Dealer's Guide to Great Quality of Cut

Elements of Great Quality of Cut

Overview

Quality of cut issues are best handled before they

happen. Two factors largely determine quality of cut:

proper mower setup and adequate operator instruction.

This section describes the elements of proper mower

setup. It also describes the elements mower

preparation, lawn preparation, safety procedures, and

mowing tips the operator should know to use the

mower safely to get a great quality of cut.

Figure 1 5300.012.TIF

We have found that an improperly set up mower can

start the customer off with a feeling that their new

mower is defective and will never be right. Once an

operator gets the idea that the mower is defective, it

can be very difficult and very time consuming to prove

the machine is performing properly.

Customer education is the other part of the quality of

cut formula. When a customer begins to use a new

machine and it performs improperly, a complaint can

be the result. When the machine is checked,

sometimes no technical problems are found. This may

indicate the customer is not operating the machine

properly for the conditions.

It can be very difficult to convince a customer that a

problem cannot be resolved in the shop, but must be

resolved instead by a change in operating the mower.

Initial customer education is critical in preventing this

situation. If this situation arises after the customer has

taken delivery of the mower, a visit to the customer's

lawn for demonstration of the problem and the

suggested solution may be necessary.

Figure 2 5300.010.TIF

Setup

On all mowers, proper mower setup consists of doing

the following and making any necessary adjustments:

Inspect for damage, scratches, dents, and for bent

or crooked parts. Make sure the wheels roll true

and the control cables are undamaged. Repair

any problems before continuing.

Fill engine with gas and oil (4 cycle) or fuel mix

(2 cycle).

Check that all grease fittings are greased.

Check that all key hardware (blade bolt, wheels,

handles, etc.) is tight.

Start the engine and check the no-load RPM

Note: Engine speed typically increases

100-200 RPM during engine break-in. Set the

engine RPM so that a small increase in no-load

speed does not cause it to overspeed.

Operate the drive, blade, and traction controls

(gear shift, throttle, choke, engine or blade-stop,

etc.) to make sure they work properly.

Height of cut (HOC) adjusting mechanism moves

freely and engages firmly.

Blade is sharp, balanced, and tracks properly.

Deck is level side-to-side and front-to-rear.

On riding mowers, also do the following and make any

necessary adjustments:

10. Check the front wheel toe in.

Service Dealer's Guide to Great Quality of Cut 2 - 1

Elements of Great Quality of Cut

11. Check the transmission fluid level. (See owner's

manual; some models have a sealed

transmission.)

12. Check the tire pressure, where applicable.

Note: Some models require installing the mower

attachment. If the mower is factory-installed, check the

blade pitch and deck level. These two factors are

critical to a great quality of cut.

Operator Instruction

Even experienced operators should review the

operation instructions for an unfamiliar machine. Every

operator's manual contains safety and operation

information the operator should review before

operating the mower. Refer the operator to the

operator's manual for details on operating the mower

safely and effectively.

Mower Preparation

When reviewing mower operation procedures with an

operator, do the following:

• Identify the location of the air filter and explain

how to check it.

Describe how often the blade should be checked

and sharpened. Explain that tipping a walk behind

mower the wrong way to check the blade could

cause gasoline to spill or oil to soak the air filter.

For a mower with a 4 cycle engine, explain how

often the oil should be checked and what type of

oil should be used. For a mower with a 2 cycle

engine, explain the method for mixing fuel and oil

properly. Remind the operator that the instructions

for either of these procedures are in the operator's

manual.

Identify the machine's safety features and explain

how they work and how to use them. Remind the

operator that safety instructions are in the

operator's manual.

Demonstrate for the operator the sound of the

engine operating under a normal load and then

operating in an overloaded condition in which it is

starting to bog down.

Show the operator how to clean clippings out of

the cutting chamber. Explain that this is important

because clippings can harden and stick to the

cutting chamber. Clippings adhering to the cutting

deck change the airflow under the cutting deck

and affect the quality of cut. They also generally

bond to the deck paint and cannot be removed

without also removing the paint.

Lawn Preparation

Explain to the operator that the operator's manual

contains information for proper lawn preparation.

Remind the operator of the following:

• The grass must be dry. Cut late in the day, after

the sun has had a chance to dry the grass.

• Clear the area of objects such as rocks, toys, wire,

bones, sticks etc., which could be picked up and

thrown by the blade.

Safety

Explain to the operator that the operator's manual

contains safety information about the mower, lawn

preparation, operator dress and condition, and mowing

procedures. When followed, this safety information

contributes to a great quality of cut by ensuring that the

operator and bystanders are safe, the mower operates

properly, and the lawn is not damaged during mowing.

The operator should be completely familiar with all

aspects of operating the mower safely.

2 - 2 Service Dealer's Guide to Great Quality of Cut

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