Toro 79110 Manuel utilisateur

perator’s Manual

Original Instructions (EN)

Form No. 3352-812

44in Side Discharge Mower

for Wheel Horse)XL 440H Lawn Tractors

Model No. 79110—Serial No. 250000001 and Up

W2005 by The Toro Company

8111 Lyndale Avenue South

Bloomington, MN 55420-1196

Printed in the USA

Contents

Page

Introduction 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Safety 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Safety and Instruction Decals 3. . . . . . . . . . . . . . . . .

Setup 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Loose Parts 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Preparing the Mower 4. . . . . . . . . . . . . . . . . . . . . . .

Installing the Mower 5. . . . . . . . . . . . . . . . . . . . . . .

Leveling the Mower from Side-to-Side 7. . . . . . . . .

Front-to-Rear Blade Slope 8. . . . . . . . . . . . . . . . . . .

Removing the Mower 9. . . . . . . . . . . . . . . . . . . . . . .

Operation 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Side Discharge or Mulch Grass 10. . . . . . . . . . . . . . .

Using the Blade Control (PTO) 10. . . . . . . . . . . . . . .

Setting the Height-of-Cut 11. . . . . . . . . . . . . . . . . . . .

Tips for Mowing Grass 11. . . . . . . . . . . . . . . . . . . . .

Maintenance 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Recommended Maintenance Schedule 12. . . . . . . . .

Servicing the Cutting Blade 12. . . . . . . . . . . . . . . . . .

Servicing the Blade Drive Belt 14. . . . . . . . . . . . . . .

Washing the Underside of the Mower 14. . . . . . . . . .

Storage 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Introduction

Read this manual carefully to learn how to operate and

maintain your product properly. The information in this

manual can help you and others avoid injury and product

damage. Although Toro designs and produces safe

products, you are responsible for operating the product

properly and safely.

Whenever you need service, genuine Toro parts, or

additional information, contact an Authorized Service

Dealer or Toro Customer Service and have the model and

serial numbers of your product ready. Figure 1 illustrates

the location of the model and serial numbers on the

product.

m–1786

Figure 1

1. Location of the model and serial numbers

Write the product model and serial numbers in the space

below:

Model No.

Serial No.

This manual identifies potential hazards and has special

safety messages that help you and others avoid personal

injury and 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 you do not follow the recommended

precautions.

Warning signals a hazard that may cause serious injury or

death if you do not follow the recommended precautions.

Caution signals a hazard that may cause minor or moderate

injury if you do not follow the recommended precautions.

This manual uses two other words to highlight information.

Important

calls attention to special mechanical

information and Note: emphasizes general information

worthy of special attention.

Safety

Safety and Instruction Decals

Safety decals and instructions are easily visible to the operator and are located near any area

of potential danger. Replace any decal that is damaged or lost.

93-7009

1. Thrown object hazard from mower—keep the deflector in

place.

2. Cutting/dismemberment hazard of hands and feet—stay away

from rotating blades and moving parts.

93-7282

1. Stop the engine and

remove the ignition key

before leaving the

machine

2. Read the Operator’s

Manual.

3. Wheel height

93-6674

1. Crushing hazard, hand—read the instructions before servicing

or performing maintenance.

93-6677

1. Warning—thrown object hazard from mower. Keep the

deflector in place.

2. Cutting/dismemberment hazard of hands and feet—stay away

from rotating blades and moving parts.

93-7010

1. Thrown object hazard—stay a safe distance from the machine.

2. Thrown object hazard, mower—keep the deflector in place.

3. Cutting/dismemberment of hand or foot—stay away from

moving parts.

93-3777

1. Engine

Setup

Note: Determine the left and right sides of the machine from the normal operating position.

Loose Parts

Note: Use the chart below to identify parts used for assembly.

Description Qty. Use

Grass deflector

Spring

Bolt, 3/8 x 3-1/2 in.

Locknut, 3/8 in.

Installing the grass deflector

Gage wheel

Hairpin cotter

2Installing the gage wheels

Mower mounting plate

Shoulder bolt

Locknut, 1/2 in.

2Installing the front mount to the mower

Bolt, 5/16 x 2-1/2 in.

Locknut, 5/16 in.

Hairpin cotter

Thin washer

Thick washer

Installing the mower to tractor

Operator’s Manual 1Read before operating the machine.

Preparing the Mower

1. Place the springs into the brackets on the mower with

the hooked ends over the raised back (Fig. 2).

2. Align the grass deflector with the holes in the brackets

and the straight ends of the spring in the space under the

hinge and above the deflector (Fig. 2).

3. Secure the deflector to the bracket with bolts through

the grass deflector, springs, and brackets. Secure them

with the locknuts (Fig. 2).

4. Lift the grass deflector and check that it is spring loaded

and pivots freely to the full down position.

Important

The grass deflector must be spring loaded in

the down position. Lift the deflector up to test that it snaps

to the full down position.

1783

Figure 2

1. Bracket

2. Spring hook end

3. Space for spring

4. Grass deflector

5. Bolt

6. Locknut

5. Deflect the anti-rattle spring, slide the adjusting plate of

the gage wheel into the mower gage wheel bracket, and

secure it with the pin and hairpin cotter (Fig. 3).

2424

Figure 3

1. Anti-rattle spring

2. Plate

3. Bracket

4. Pin

5. Hairpin cotter

Note: After installing the mower onto the tractor, set the

height-of-cut and adjust the gage wheels; refer to Setting

the Height-of-Cut, page 11.

6. Repeat the adjustment on the other gage wheels.

7. Position the mounting plate, with the tabs up, between

the brackets on the front of the mower (Fig. 4).

8. Insert the shoulder bolts through the mounting plate into

the mower brackets. Secure them with locknuts (Fig. 4).

1784

Figure 4

1. Tab up

2. Mower bracket 3. Shoulder bolt

4. Locknut

Installing the Mower

Danger

Without the grass deflector, discharge cover, or

complete grass catcher assembly mounted in place,

you and others are exposed to blade contact and

thrown debris. Contact with the rotating mower

blade(s) and thrown debris will cause injury or

death.

•Never remove the grass deflector from the

mower because the grass deflector routes

material down toward the turf. If the grass

deflector is ever damaged, replace it

immediately.

•Never put your hands or feet under the mower.

•Never try to clear the discharge area or mower

blades unless you move the power take off

(PTO) to Off and rotate the ignition key to Off.

Also remove the key and pull the wire off of the

spark plug(s).

1. Park the machine on a level surface, disengage the

blade control (PTO), set the parking brake, and turn the

ignition key to Off to stop the engine. Remove the key.

2. Turn the front wheels fully to the left. Slide the mower

under the chassis from the right side.

3. Install the mower belt onto the electric clutch pulley

(Fig. 5).

Figure 5

Top View

1. Mower belt 2. Electric clutch pulley

4. Install the mower pivot mount brackets onto the front

axle with the bolts and locknuts (Fig. 6).

1785

Figure 6

1. Pivot mount bracket

2. Bolt, 5/16 x 2-1/2 in. 3. Locknut

5. Move the height-of-cut lever into the D notch.

6. Remove the lift assist spring between the mower right

side lift bracket and the retaining bolt (Fig. 7).

Note: Use the spring tool provided with the machine.

1851

Figure 7

1. Spring

2. Bolt 3. Spring tool

7. Move the height-of-cut lever into the A notch.

8. Ensure that both rods extend 5/8 in. (16 mm) beyond

the adjustment block (Fig. 8).

1805

5/8 in.

(16 mm) 2

Figure 8

1. Rod

2. Adjusting block

3. Hairpin cotter and thick

washer

4. Leveling bracket

5. Mower mount

6. Hairpin cotter and thin

washer

9. Slide the end of the long rod through the hole in the

mower mount (Fig. 8).

10.Install the thin washer and hairpin cotter to secure the

rod in place (Fig. 8).

11. Mount the slotted mower leveling bracket onto the pin

on the mower mount (Fig. 8).

12.Install the thick washer and hairpin cotter to secure the

mower (Fig. 8).

13.Repeat steps 9 through 12 on the opposite side of the

mower.

14.Hook the spring from the idler pulley arm to the bracket

on the mower (Fig. 9).

Figure 9

Viewed from the left side.

1. Spring

2. Idler pulley arm 3. Bracket

15.Move the height-of-cut lever into the D notch to make it

easier to install the height-of-cut lift assist spring.

16.Hook the lift assist spring between the mower right side

lift bracket and the retaining bolt (Fig. 10).

Note: Use the spring tool provided with the machine.

1851

Figure 10

1. Spring

2. Bolt 3. Spring tool

17.Check the mower level; refer to Leveling the Mower

from Side-to-Side on page 7 and Adjusting the

Front-to-Rear Blade Slope on page 8.

Leveling the Mower from

Side-to-Side

The mower blades must be level from side to side. Check

the side-to-side level any time you install the mower or

when you see an uneven cut on your lawn. Before you level

the mower, set the air pressure in the front and rear tires;

refer to the tractor Operator’s Manual for the correct tire

pressure.

1. Park the machine on a level surface, disengage the PTO,

set the parking brake, stop the engine, and remove the

ignition key.

2. Move the height-of-cut lever into the “C” notch.

3. Carefully rotate the blade(s) side to side (Fig. 11).

Measure between the outside cutting edges and the flat

surface (Fig. 11). If both measurements are not within

3/16 in. (5 mm), an adjustment is required; refer to

steps 4 and 5.

Front

1078

Figure 11

1. Blades side to side

2. Outside cutting edges 3. Measure here

4. Remove the hairpin cotter and washer from the leveling

bracket (Fig. 12). To level the blade(s), reposition the

leveling bracket in a different hole and install the

washer and hairpin cotter. (Fig. 12). A front hole lowers

the blade height and a rear hole raises its height. Adjust

both sides as required.

1805

Figure 12

1. hairpin cotter and washer

2. Leveling bracket 3. Front hole

4. Rear hole

5. Check the front-to-rear blade slope; refer to Adjusting

the Front-to-Rear Blade Slope, page 8.

Adjusting the Front-to-Rear

Blade Slope

Check the front-to-rear blade slope any time you install the

mower. Before you check the slope, set the air pressure in

the front and rear tires to the recommended inflation; refer

to the tractor Operator’s Manual for the correct tire

pressure.

1. Park the machine on a level surface, disengage the

blade control (PTO), set the parking brake, and turn the

ignition key to Off to stop the engine. Remove the key.

2. Disconnect the wire from the spark plug.

3. Check and adjust the side-to-side blade level if you

have not checked the setting; refer to Leveling the

Mower from Side-to-Side on page 7.

4. Measure the length of the rod extending out of the front

of the adjusting block on the sides of the chassis

(Fig. 13).

5/8 in.

(16 mm)

m-1805

Figure 13

1. Adjusting block

2. Long rod 3. Hairpin cotter and washer

4. Mower mount

Note: If the rod length is not 5/8 in. (16 mm), remove

the hairpin cotter and washer from the end of the rod

(Fig. 13) and turn the rod until you obtain the 5/8 in.

(16 mm) dimension.

5. Install the end of the rod into the hole in the mower

mount and secure it with the washer and hairpin cotter.

6. Repeat steps 4 and 5 on the opposite side of the mower.

7. Move the height-of-cut lever into position C.

8. Carefully rotate the blades so that they are facing front

to rear.

9. Check the front-to-rear slope by measuring between the

bottom of the mower (front center and rear center) and

the flat surface (Fig. 14).

If the front blade tip is not within a range of 0 to 5/16

inches (0 to 8 mm) lower than the rear, adjust the

front-to-rear blade slope (steps 10 through 13);

otherwise, skip to step 14.

Front 1078

Figure 14

1. Blade front to rear

2. Measure front blade tip 3. Measure rear blade tip

4. Measure here

10.To adjust the front-to-rear blade slope, loosen the front

pivot plate mounting bolts slightly (Fig. 15).

m-4634

212

Figure 15

1. Pivot mounting bolt 2. Eyebolt locknut

11. Rotate the locknuts on the eyebolts to change the

adjustment (Fig. 15). To raise the front of the mower,

tighten the eyebolt locknuts. To lower the front of the

mower, loosen the eyebolt locknuts.

12.After adjusting both eyebolt locknuts evenly, check the

front-to-rear slope again. Continue adjusting the

eyebolts until the front blade tip is 0 to 5/16 in. (0 to

8 mm) lower than the rear blade tip.

13.When the front-to-rear slope is correct, tighten the pivot

plate mounting bolts (Fig. 15).

14.When the front-to-rear blade slope is correct, check the

side-to-side level of the mower; refer to Leveling the

Mower from Side-to-Side on page 7.

15.Check the gage wheel height; refer to Setting the

Height-of-Cut on page 11.

Removing the Mower

1. Park the machine on a level surface, disengage the PTO,

set the parking brake, stop the engine, and remove the

ignition key.

2. Move the height-of-cut lever into the D notch.

3. Remove the lift assist spring between the mower right

side lift bracket and the retaining bolt (Fig. 16).

Note: Use the spring tool provided with the machine.

1851

Figure 16

1. Spring

2. Bolt 3. Spring tool

4. Move the height-of-cut lever into the A notch.

5. Unhook the spring on the idler pulley arm from the

bracket on the mower (Fig. 17).

Figure 17

Viewed from the left side.

1. Spring

2. Idler pulley arm 3. Bracket

6. Remove the bolts and lock nuts and pull the two mower

pivot mount brackets down from the front axle

(Fig. 18).

1785

Figure 18

1. Pivot mount bracket

2. Bolt, 5/16 x 2-1/2 in. 3. Locknut

7. Remove the hairpin cotter and washer from the end of

the long rod (Fig. 19). Slide the rod out of the mower

mount.

1805

Figure 19

1. Hairpin cotter and washer

2. Long rod 3. Leveling bracket

4. Mower mount

8. Remove the hairpin cotter and washer at the mower

leveling bracket (Fig. 19). Slide the bracket off of the

mounting pin. Install the washer and hairpin cotter for

storage.

9. Rotate the leveling bracket up toward the frame, and

hook the long rod into one of the holes to store. Secure

the long rod with the washer and hairpin cotter.

10.Repeat steps 7 through 9 on the opposite side of the

mower.

11. Move the height-of-cut lever into the D notch and hook

the lift assist spring onto the retaining bolt for storage

(Fig. 16).

Note: Do not install the lift assist spring if the rear tire

chains are to be installed.

12.Remove the mower belt from the electric clutch pulley

(Fig. 20).

Figure 20

Top View

1. Mower belt 2. Electric clutch pulley

13.Turn the front wheels fully to the left. Slide the mower

out to the right to complete removal.

Operation

Side Discharge or Mulch Grass

Danger

Without the grass deflector, discharge cover, or

complete grass catcher assembly mounted in place,

you and others are exposed to blade contact and

thrown debris. Contact with the rotating mower

blade(s) and thrown debris will cause injury or

death.

•Never remove the grass deflector from the

mower because the grass deflector routes

material down toward the turf. If the grass

deflector is ever damaged, replace it

immediately.

•Never put your hands or feet under the mower.

•Never try to clear the discharge area or mower

blades unless you move the power take off

(PTO) to Off and rotate the ignition key to Off.

Also remove the key and pull the wire off of the

spark plug(s).

The mower has a hinged grass deflector that disperses

clippings to the side and down toward the turf. To mulch

grass clippings you must install the Recycler®kit (optional

on some models).

Using the Blade Control (PTO)

The blade control (PTO) engages and disengages power to

the blade(s). Refer to your tractor Operator’s Manual for a

complete description of the blade control.

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